bool intel_pipe_has_type (struct drm_crtc *crtc, int type);
static void intel_update_watermarks(struct drm_device *dev);
-static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule);
-static void intel_crtc_update_cursor(struct drm_crtc *crtc);
+static void intel_increase_pllclock(struct drm_crtc *crtc);
+static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on);
typedef struct {
/* given values */
intel_find_pll_ironlake_dp(const intel_limit_t *, struct drm_crtc *crtc,
int target, int refclk, intel_clock_t *best_clock);
+static inline u32 /* units of 100MHz */
+intel_fdi_link_freq(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2;
+}
+
static const intel_limit_t intel_limits_i8xx_dvo = {
.dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX },
.vco = { .min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX },
/**
* Returns whether any output on the specified pipe is of the specified type
*/
-bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
+bool intel_pipe_has_type(struct drm_crtc *crtc, int type)
{
- struct drm_device *dev = crtc->dev;
- struct drm_mode_config *mode_config = &dev->mode_config;
- struct drm_encoder *l_entry;
-
- list_for_each_entry(l_entry, &mode_config->encoder_list, head) {
- if (l_entry && l_entry->crtc == crtc) {
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(l_entry);
- if (intel_encoder->type == type)
- return true;
- }
- }
- return false;
+ struct drm_device *dev = crtc->dev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct intel_encoder *encoder;
+
+ list_for_each_entry(encoder, &mode_config->encoder_list, base.head)
+ if (encoder->base.crtc == crtc && encoder->type == type)
+ return true;
+
+ return false;
}
#define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0)
intel_find_pll_g4x_dp(const intel_limit_t *limit, struct drm_crtc *crtc,
int target, int refclk, intel_clock_t *best_clock)
{
- intel_clock_t clock;
- if (target < 200000) {
- clock.p1 = 2;
- clock.p2 = 10;
- clock.n = 2;
- clock.m1 = 23;
- clock.m2 = 8;
- } else {
- clock.p1 = 1;
- clock.p2 = 10;
- clock.n = 1;
- clock.m1 = 14;
- clock.m2 = 2;
- }
- clock.m = 5 * (clock.m1 + 2) + (clock.m2 + 2);
- clock.p = (clock.p1 * clock.p2);
- clock.dot = 96000 * clock.m / (clock.n + 2) / clock.p;
- clock.vco = 0;
- memcpy(best_clock, &clock, sizeof(intel_clock_t));
- return true;
+ intel_clock_t clock;
+ if (target < 200000) {
+ clock.p1 = 2;
+ clock.p2 = 10;
+ clock.n = 2;
+ clock.m1 = 23;
+ clock.m2 = 8;
+ } else {
+ clock.p1 = 1;
+ clock.p2 = 10;
+ clock.n = 1;
+ clock.m1 = 14;
+ clock.m2 = 2;
+ }
+ clock.m = 5 * (clock.m1 + 2) + (clock.m2 + 2);
+ clock.p = (clock.p1 * clock.p2);
+ clock.dot = 96000 * clock.m / (clock.n + 2) / clock.p;
+ clock.vco = 0;
+ memcpy(best_clock, &clock, sizeof(intel_clock_t));
+ return true;
}
/**
I915_READ(pipestat_reg) | PIPE_VBLANK_INTERRUPT_STATUS);
/* Wait for vblank interrupt bit to set */
- if (wait_for((I915_READ(pipestat_reg) &
- PIPE_VBLANK_INTERRUPT_STATUS),
- 50, 0))
+ if (wait_for(I915_READ(pipestat_reg) &
+ PIPE_VBLANK_INTERRUPT_STATUS,
+ 50))
DRM_DEBUG_KMS("vblank wait timed out\n");
}
struct drm_i915_private *dev_priv = dev->dev_private;
int pipedsl_reg = (pipe == 0 ? PIPEADSL : PIPEBDSL);
unsigned long timeout = jiffies + msecs_to_jiffies(100);
- u32 last_line;
+ u32 last_line, line;
/* Wait for the display line to settle */
+ line = I915_READ(pipedsl_reg) & DSL_LINEMASK;
do {
- last_line = I915_READ(pipedsl_reg) & DSL_LINEMASK;
- mdelay(5);
- } while (((I915_READ(pipedsl_reg) & DSL_LINEMASK) != last_line) &&
- time_after(timeout, jiffies));
+ last_line = line;
+ MSLEEP(5);
+ line = I915_READ(pipedsl_reg) & DSL_LINEMASK;
+ } while (line != last_line && time_after(timeout, jiffies));
- if (time_after(jiffies, timeout))
+ if (line != last_line)
DRM_DEBUG_KMS("vblank wait timed out\n");
}
-/* Parameters have changed, update FBC info */
static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
{
struct drm_device *dev = crtc->dev;
int plane, i;
u32 fbc_ctl, fbc_ctl2;
+ if (fb->pitch == dev_priv->cfb_pitch &&
+ obj_priv->fence_reg == dev_priv->cfb_fence &&
+ intel_crtc->plane == dev_priv->cfb_plane &&
+ I915_READ(FBC_CONTROL) & FBC_CTL_EN)
+ return;
+
+ i8xx_disable_fbc(dev);
+
dev_priv->cfb_pitch = dev_priv->cfb_size / FBC_LL_SIZE;
if (fb->pitch < dev_priv->cfb_pitch)
I915_WRITE(FBC_CONTROL, fbc_ctl);
DRM_DEBUG_KMS("enabled FBC, pitch %ld, yoff %d, plane %d, ",
- dev_priv->cfb_pitch, crtc->y, dev_priv->cfb_plane);
+ dev_priv->cfb_pitch, crtc->y, dev_priv->cfb_plane);
}
void i8xx_disable_fbc(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
u32 fbc_ctl;
- if (!I915_HAS_FBC(dev))
- return;
-
- if (!(I915_READ(FBC_CONTROL) & FBC_CTL_EN))
- return; /* Already off, just return */
-
/* Disable compression */
fbc_ctl = I915_READ(FBC_CONTROL);
fbc_ctl &= ~FBC_CTL_EN;
I915_WRITE(FBC_CONTROL, fbc_ctl);
/* Wait for compressing bit to clear */
- if (wait_for((I915_READ(FBC_STATUS) & FBC_STAT_COMPRESSING) == 0, 10, 0)) {
+ if (wait_for((I915_READ(FBC_STATUS) & FBC_STAT_COMPRESSING) == 0, 10)) {
DRM_DEBUG_KMS("FBC idle timed out\n");
return;
}
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
struct drm_i915_gem_object *obj_priv = to_intel_bo(intel_fb->obj);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int plane = (intel_crtc->plane == 0 ? DPFC_CTL_PLANEA :
- DPFC_CTL_PLANEB);
+ int plane = intel_crtc->plane == 0 ? DPFC_CTL_PLANEA : DPFC_CTL_PLANEB;
unsigned long stall_watermark = 200;
u32 dpfc_ctl;
+ dpfc_ctl = I915_READ(DPFC_CONTROL);
+ if (dpfc_ctl & DPFC_CTL_EN) {
+ if (dev_priv->cfb_pitch == dev_priv->cfb_pitch / 64 - 1 &&
+ dev_priv->cfb_fence == obj_priv->fence_reg &&
+ dev_priv->cfb_plane == intel_crtc->plane &&
+ dev_priv->cfb_y == crtc->y)
+ return;
+
+ I915_WRITE(DPFC_CONTROL, dpfc_ctl & ~DPFC_CTL_EN);
+ POSTING_READ(DPFC_CONTROL);
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
+ }
+
dev_priv->cfb_pitch = (dev_priv->cfb_pitch / 64) - 1;
dev_priv->cfb_fence = obj_priv->fence_reg;
dev_priv->cfb_plane = intel_crtc->plane;
+ dev_priv->cfb_y = crtc->y;
dpfc_ctl = plane | DPFC_SR_EN | DPFC_CTL_LIMIT_1X;
if (obj_priv->tiling_mode != I915_TILING_NONE) {
I915_WRITE(DPFC_CHICKEN, ~DPFC_HT_MODIFY);
}
- I915_WRITE(DPFC_CONTROL, dpfc_ctl);
I915_WRITE(DPFC_RECOMP_CTL, DPFC_RECOMP_STALL_EN |
(stall_watermark << DPFC_RECOMP_STALL_WM_SHIFT) |
(interval << DPFC_RECOMP_TIMER_COUNT_SHIFT));
/* Disable compression */
dpfc_ctl = I915_READ(DPFC_CONTROL);
- dpfc_ctl &= ~DPFC_CTL_EN;
- I915_WRITE(DPFC_CONTROL, dpfc_ctl);
+ if (dpfc_ctl & DPFC_CTL_EN) {
+ dpfc_ctl &= ~DPFC_CTL_EN;
+ I915_WRITE(DPFC_CONTROL, dpfc_ctl);
- DRM_DEBUG_KMS("disabled FBC\n");
+ DRM_DEBUG_KMS("disabled FBC\n");
+ }
}
static bool g4x_fbc_enabled(struct drm_device *dev)
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
struct drm_i915_gem_object *obj_priv = to_intel_bo(intel_fb->obj);
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int plane = (intel_crtc->plane == 0) ? DPFC_CTL_PLANEA :
- DPFC_CTL_PLANEB;
+ int plane = intel_crtc->plane == 0 ? DPFC_CTL_PLANEA : DPFC_CTL_PLANEB;
unsigned long stall_watermark = 200;
u32 dpfc_ctl;
+ dpfc_ctl = I915_READ(ILK_DPFC_CONTROL);
+ if (dpfc_ctl & DPFC_CTL_EN) {
+ if (dev_priv->cfb_pitch == dev_priv->cfb_pitch / 64 - 1 &&
+ dev_priv->cfb_fence == obj_priv->fence_reg &&
+ dev_priv->cfb_plane == intel_crtc->plane &&
+ dev_priv->cfb_offset == obj_priv->gtt_offset &&
+ dev_priv->cfb_y == crtc->y)
+ return;
+
+ I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl & ~DPFC_CTL_EN);
+ POSTING_READ(ILK_DPFC_CONTROL);
+ intel_wait_for_vblank(dev, intel_crtc->pipe);
+ }
+
dev_priv->cfb_pitch = (dev_priv->cfb_pitch / 64) - 1;
dev_priv->cfb_fence = obj_priv->fence_reg;
dev_priv->cfb_plane = intel_crtc->plane;
+ dev_priv->cfb_offset = obj_priv->gtt_offset;
+ dev_priv->cfb_y = crtc->y;
- dpfc_ctl = I915_READ(ILK_DPFC_CONTROL);
dpfc_ctl &= DPFC_RESERVED;
dpfc_ctl |= (plane | DPFC_CTL_LIMIT_1X);
if (obj_priv->tiling_mode != I915_TILING_NONE) {
I915_WRITE(ILK_DPFC_CHICKEN, ~DPFC_HT_MODIFY);
}
- I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
I915_WRITE(ILK_DPFC_RECOMP_CTL, DPFC_RECOMP_STALL_EN |
(stall_watermark << DPFC_RECOMP_STALL_WM_SHIFT) |
(interval << DPFC_RECOMP_TIMER_COUNT_SHIFT));
I915_WRITE(ILK_DPFC_FENCE_YOFF, crtc->y);
I915_WRITE(ILK_FBC_RT_BASE, obj_priv->gtt_offset | ILK_FBC_RT_VALID);
/* enable it... */
- I915_WRITE(ILK_DPFC_CONTROL, I915_READ(ILK_DPFC_CONTROL) |
- DPFC_CTL_EN);
+ I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane);
}
/* Disable compression */
dpfc_ctl = I915_READ(ILK_DPFC_CONTROL);
- dpfc_ctl &= ~DPFC_CTL_EN;
- I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
+ if (dpfc_ctl & DPFC_CTL_EN) {
+ dpfc_ctl &= ~DPFC_CTL_EN;
+ I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl);
- DRM_DEBUG_KMS("disabled FBC\n");
+ DRM_DEBUG_KMS("disabled FBC\n");
+ }
}
static bool ironlake_fbc_enabled(struct drm_device *dev)
/**
* intel_update_fbc - enable/disable FBC as needed
- * @crtc: CRTC to point the compressor at
- * @mode: mode in use
+ * @dev: the drm_device
*
* Set up the framebuffer compression hardware at mode set time. We
* enable it if possible:
*
* We need to enable/disable FBC on a global basis.
*/
-static void intel_update_fbc(struct drm_crtc *crtc,
- struct drm_display_mode *mode)
+static void intel_update_fbc(struct drm_device *dev)
{
- struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_framebuffer *fb = crtc->fb;
+ struct drm_crtc *crtc = NULL, *tmp_crtc;
+ struct intel_crtc *intel_crtc;
+ struct drm_framebuffer *fb;
struct intel_framebuffer *intel_fb;
struct drm_i915_gem_object *obj_priv;
- struct drm_crtc *tmp_crtc;
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- int plane = intel_crtc->plane;
- int crtcs_enabled = 0;
DRM_DEBUG_KMS("\n");
if (!I915_HAS_FBC(dev))
return;
- if (!crtc->fb)
- return;
-
- intel_fb = to_intel_framebuffer(fb);
- obj_priv = to_intel_bo(intel_fb->obj);
-
/*
* If FBC is already on, we just have to verify that we can
* keep it that way...
* - going to an unsupported config (interlace, pixel multiply, etc.)
*/
list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
- if (tmp_crtc->enabled)
- crtcs_enabled++;
+ if (tmp_crtc->enabled) {
+ if (crtc) {
+ DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");
+ dev_priv->no_fbc_reason = FBC_MULTIPLE_PIPES;
+ goto out_disable;
+ }
+ crtc = tmp_crtc;
+ }
}
- DRM_DEBUG_KMS("%d pipes active\n", crtcs_enabled);
- if (crtcs_enabled > 1) {
- DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");
- dev_priv->no_fbc_reason = FBC_MULTIPLE_PIPES;
+
+ if (!crtc || crtc->fb == NULL) {
+ DRM_DEBUG_KMS("no output, disabling\n");
+ dev_priv->no_fbc_reason = FBC_NO_OUTPUT;
goto out_disable;
}
+
+ intel_crtc = to_intel_crtc(crtc);
+ fb = crtc->fb;
+ intel_fb = to_intel_framebuffer(fb);
+ obj_priv = to_intel_bo(intel_fb->obj);
+
if (intel_fb->obj->size > dev_priv->cfb_size) {
DRM_DEBUG_KMS("framebuffer too large, disabling "
- "compression\n");
+ "compression\n");
dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
goto out_disable;
}
- if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
- (mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
+ if ((crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) ||
+ (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)) {
DRM_DEBUG_KMS("mode incompatible with compression, "
- "disabling\n");
+ "disabling\n");
dev_priv->no_fbc_reason = FBC_UNSUPPORTED_MODE;
goto out_disable;
}
- if ((mode->hdisplay > 2048) ||
- (mode->vdisplay > 1536)) {
+ if ((crtc->mode.hdisplay > 2048) ||
+ (crtc->mode.vdisplay > 1536)) {
DRM_DEBUG_KMS("mode too large for compression, disabling\n");
dev_priv->no_fbc_reason = FBC_MODE_TOO_LARGE;
goto out_disable;
}
- if ((IS_I915GM(dev) || IS_I945GM(dev)) && plane != 0) {
+ if ((IS_I915GM(dev) || IS_I945GM(dev)) && intel_crtc->plane != 0) {
DRM_DEBUG_KMS("plane not 0, disabling compression\n");
dev_priv->no_fbc_reason = FBC_BAD_PLANE;
goto out_disable;
if (in_dbg_master())
goto out_disable;
- if (intel_fbc_enabled(dev)) {
- /* We can re-enable it in this case, but need to update pitch */
- if ((fb->pitch > dev_priv->cfb_pitch) ||
- (obj_priv->fence_reg != dev_priv->cfb_fence) ||
- (plane != dev_priv->cfb_plane))
- intel_disable_fbc(dev);
- }
-
- /* Now try to turn it back on if possible */
- if (!intel_fbc_enabled(dev))
- intel_enable_fbc(crtc, 500);
-
+ intel_enable_fbc(crtc, 500);
return;
out_disable:
}
int
-intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
+intel_pin_and_fence_fb_obj(struct drm_device *dev,
+ struct drm_gem_object *obj,
+ bool pipelined)
{
struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
u32 alignment;
}
ret = i915_gem_object_pin(obj, alignment);
- if (ret != 0)
+ if (ret)
return ret;
+ ret = i915_gem_object_set_to_display_plane(obj, pipelined);
+ if (ret)
+ goto err_unpin;
+
/* Install a fence for tiled scan-out. Pre-i965 always needs a
* fence, whereas 965+ only requires a fence if using
* framebuffer compression. For simplicity, we always install
*/
if (obj_priv->fence_reg == I915_FENCE_REG_NONE &&
obj_priv->tiling_mode != I915_TILING_NONE) {
- ret = i915_gem_object_get_fence_reg(obj);
- if (ret != 0) {
- i915_gem_object_unpin(obj);
- return ret;
- }
+ ret = i915_gem_object_get_fence_reg(obj, false);
+ if (ret)
+ goto err_unpin;
}
return 0;
+
+err_unpin:
+ i915_gem_object_unpin(obj);
+ return ret;
}
/* Assume fb object is pinned & idle & fenced and just update base pointers */
struct drm_gem_object *obj;
int plane = intel_crtc->plane;
unsigned long Start, Offset;
- int dspbase = (plane == 0 ? DSPAADDR : DSPBADDR);
- int dspsurf = (plane == 0 ? DSPASURF : DSPBSURF);
- int dspstride = (plane == 0) ? DSPASTRIDE : DSPBSTRIDE;
- int dsptileoff = (plane == 0 ? DSPATILEOFF : DSPBTILEOFF);
- int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
u32 dspcntr;
+ u32 reg;
switch (plane) {
case 0:
obj = intel_fb->obj;
obj_priv = to_intel_bo(obj);
- dspcntr = I915_READ(dspcntr_reg);
+ reg = DSPCNTR(plane);
+ dspcntr = I915_READ(reg);
/* Mask out pixel format bits in case we change it */
dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
switch (fb->bits_per_pixel) {
/* must disable */
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
- I915_WRITE(dspcntr_reg, dspcntr);
+ I915_WRITE(reg, dspcntr);
Start = obj_priv->gtt_offset;
Offset = y * fb->pitch + x * (fb->bits_per_pixel / 8);
DRM_DEBUG_KMS("Writing base %08lX %08lX %d %d %d\n",
Start, Offset, x, y, fb->pitch);
- I915_WRITE(dspstride, fb->pitch);
+ I915_WRITE(DSPSTRIDE(plane), fb->pitch);
if (IS_I965G(dev)) {
- I915_WRITE(dspsurf, Start);
- I915_WRITE(dsptileoff, (y << 16) | x);
- I915_WRITE(dspbase, Offset);
- } else {
- I915_WRITE(dspbase, Start + Offset);
- }
- POSTING_READ(dspbase);
-
- if (IS_I965G(dev) || plane == 0)
- intel_update_fbc(crtc, &crtc->mode);
+ I915_WRITE(DSPSURF(plane), Start);
+ I915_WRITE(DSPTILEOFF(plane), (y << 16) | x);
+ I915_WRITE(DSPADDR(plane), Offset);
+ } else
+ I915_WRITE(DSPADDR(plane), Start + Offset);
+ POSTING_READ(reg);
- intel_wait_for_vblank(dev, intel_crtc->pipe);
- intel_increase_pllclock(crtc, true);
+ intel_update_fbc(dev);
+ intel_increase_pllclock(crtc);
return 0;
}
obj_priv = to_intel_bo(obj);
mutex_lock(&dev->struct_mutex);
- ret = intel_pin_and_fence_fb_obj(dev, obj);
- if (ret != 0) {
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
-
- ret = i915_gem_object_set_to_display_plane(obj);
+ ret = intel_pin_and_fence_fb_obj(dev, obj, false);
if (ret != 0) {
- i915_gem_object_unpin(obj);
mutex_unlock(&dev->struct_mutex);
return ret;
}
return 0;
}
-static void ironlake_set_pll_edp (struct drm_crtc *crtc, int clock)
+static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
}
I915_WRITE(DP_A, dpa_ctl);
+ POSTING_READ(DP_A);
udelay(500);
}
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
- int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
- int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
- int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
- u32 temp, tries = 0;
+ u32 reg, temp, tries;
/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
for train result */
- temp = I915_READ(fdi_rx_imr_reg);
+ reg = FDI_RX_IMR(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_RX_SYMBOL_LOCK;
temp &= ~FDI_RX_BIT_LOCK;
- I915_WRITE(fdi_rx_imr_reg, temp);
- I915_READ(fdi_rx_imr_reg);
+ I915_WRITE(reg, temp);
+ I915_READ(reg);
udelay(150);
/* enable CPU FDI TX and PCH FDI RX */
- temp = I915_READ(fdi_tx_reg);
- temp |= FDI_TX_ENABLE;
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~(7 << 19);
temp |= (intel_crtc->fdi_lanes - 1) << 19;
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
- I915_WRITE(fdi_tx_reg, temp);
- I915_READ(fdi_tx_reg);
+ I915_WRITE(reg, temp | FDI_TX_ENABLE);
- temp = I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
- I915_READ(fdi_rx_reg);
+ I915_WRITE(reg, temp | FDI_RX_ENABLE);
+
+ POSTING_READ(reg);
udelay(150);
+ reg = FDI_RX_IIR(pipe);
for (tries = 0; tries < 5; tries++) {
- temp = I915_READ(fdi_rx_iir_reg);
+ temp = I915_READ(reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
if ((temp & FDI_RX_BIT_LOCK)) {
DRM_DEBUG_KMS("FDI train 1 done.\n");
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_BIT_LOCK);
+ I915_WRITE(reg, temp | FDI_RX_BIT_LOCK);
break;
}
}
if (tries == 5)
- DRM_DEBUG_KMS("FDI train 1 fail!\n");
+ DRM_ERROR("FDI train 1 fail!\n");
/* Train 2 */
- temp = I915_READ(fdi_tx_reg);
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_2;
- I915_WRITE(fdi_tx_reg, temp);
+ I915_WRITE(reg, temp);
- temp = I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_2;
- I915_WRITE(fdi_rx_reg, temp);
- udelay(150);
+ I915_WRITE(reg, temp);
- tries = 0;
+ POSTING_READ(reg);
+ udelay(150);
+ reg = FDI_RX_IIR(pipe);
for (tries = 0; tries < 5; tries++) {
- temp = I915_READ(fdi_rx_iir_reg);
+ temp = I915_READ(reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
if (temp & FDI_RX_SYMBOL_LOCK) {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_SYMBOL_LOCK);
+ I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK);
DRM_DEBUG_KMS("FDI train 2 done.\n");
break;
}
}
if (tries == 5)
- DRM_DEBUG_KMS("FDI train 2 fail!\n");
+ DRM_ERROR("FDI train 2 fail!\n");
DRM_DEBUG_KMS("FDI train done\n");
}
-static int snb_b_fdi_train_param [] = {
+static const int const snb_b_fdi_train_param [] = {
FDI_LINK_TRAIN_400MV_0DB_SNB_B,
FDI_LINK_TRAIN_400MV_6DB_SNB_B,
FDI_LINK_TRAIN_600MV_3_5DB_SNB_B,
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
- int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
- int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
- int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
- u32 temp, i;
+ u32 reg, temp, i;
/* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit
for train result */
- temp = I915_READ(fdi_rx_imr_reg);
+ reg = FDI_RX_IMR(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_RX_SYMBOL_LOCK;
temp &= ~FDI_RX_BIT_LOCK;
- I915_WRITE(fdi_rx_imr_reg, temp);
- I915_READ(fdi_rx_imr_reg);
+ I915_WRITE(reg, temp);
+
+ POSTING_READ(reg);
udelay(150);
/* enable CPU FDI TX and PCH FDI RX */
- temp = I915_READ(fdi_tx_reg);
- temp |= FDI_TX_ENABLE;
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~(7 << 19);
temp |= (intel_crtc->fdi_lanes - 1) << 19;
temp &= ~FDI_LINK_TRAIN_NONE;
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
/* SNB-B */
temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
- I915_WRITE(fdi_tx_reg, temp);
- I915_READ(fdi_tx_reg);
+ I915_WRITE(reg, temp | FDI_TX_ENABLE);
- temp = I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
if (HAS_PCH_CPT(dev)) {
temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
}
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
- I915_READ(fdi_rx_reg);
+ I915_WRITE(reg, temp | FDI_RX_ENABLE);
+
+ POSTING_READ(reg);
udelay(150);
for (i = 0; i < 4; i++ ) {
- temp = I915_READ(fdi_tx_reg);
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
temp |= snb_b_fdi_train_param[i];
- I915_WRITE(fdi_tx_reg, temp);
+ I915_WRITE(reg, temp);
+
+ POSTING_READ(reg);
udelay(500);
- temp = I915_READ(fdi_rx_iir_reg);
+ reg = FDI_RX_IIR(pipe);
+ temp = I915_READ(reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
if (temp & FDI_RX_BIT_LOCK) {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_BIT_LOCK);
+ I915_WRITE(reg, temp | FDI_RX_BIT_LOCK);
DRM_DEBUG_KMS("FDI train 1 done.\n");
break;
}
}
if (i == 4)
- DRM_DEBUG_KMS("FDI train 1 fail!\n");
+ DRM_ERROR("FDI train 1 fail!\n");
/* Train 2 */
- temp = I915_READ(fdi_tx_reg);
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_2;
if (IS_GEN6(dev)) {
/* SNB-B */
temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B;
}
- I915_WRITE(fdi_tx_reg, temp);
+ I915_WRITE(reg, temp);
- temp = I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
if (HAS_PCH_CPT(dev)) {
temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
temp |= FDI_LINK_TRAIN_PATTERN_2_CPT;
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_2;
}
- I915_WRITE(fdi_rx_reg, temp);
+ I915_WRITE(reg, temp);
+
+ POSTING_READ(reg);
udelay(150);
for (i = 0; i < 4; i++ ) {
- temp = I915_READ(fdi_tx_reg);
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK;
temp |= snb_b_fdi_train_param[i];
- I915_WRITE(fdi_tx_reg, temp);
+ I915_WRITE(reg, temp);
+
+ POSTING_READ(reg);
udelay(500);
- temp = I915_READ(fdi_rx_iir_reg);
+ reg = FDI_RX_IIR(pipe);
+ temp = I915_READ(reg);
DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp);
if (temp & FDI_RX_SYMBOL_LOCK) {
- I915_WRITE(fdi_rx_iir_reg,
- temp | FDI_RX_SYMBOL_LOCK);
+ I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK);
DRM_DEBUG_KMS("FDI train 2 done.\n");
break;
}
}
if (i == 4)
- DRM_DEBUG_KMS("FDI train 2 fail!\n");
+ DRM_ERROR("FDI train 2 fail!\n");
DRM_DEBUG_KMS("FDI train done.\n");
}
-static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void ironlake_fdi_enable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- int plane = intel_crtc->plane;
- int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
- int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
- int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
- int dspbase_reg = (plane == 0) ? DSPAADDR : DSPBADDR;
- int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
- int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
- int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
- int cpu_htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
- int cpu_hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
- int cpu_hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
- int cpu_vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
- int cpu_vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
- int cpu_vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
- int trans_htot_reg = (pipe == 0) ? TRANS_HTOTAL_A : TRANS_HTOTAL_B;
- int trans_hblank_reg = (pipe == 0) ? TRANS_HBLANK_A : TRANS_HBLANK_B;
- int trans_hsync_reg = (pipe == 0) ? TRANS_HSYNC_A : TRANS_HSYNC_B;
- int trans_vtot_reg = (pipe == 0) ? TRANS_VTOTAL_A : TRANS_VTOTAL_B;
- int trans_vblank_reg = (pipe == 0) ? TRANS_VBLANK_A : TRANS_VBLANK_B;
- int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
- int trans_dpll_sel = (pipe == 0) ? 0 : 1;
- u32 temp;
- u32 pipe_bpc;
-
- temp = I915_READ(pipeconf_reg);
- pipe_bpc = temp & PIPE_BPC_MASK;
+ u32 reg, temp;
- /* XXX: When our outputs are all unaware of DPMS modes other than off
- * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
- */
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- DRM_DEBUG_KMS("crtc %d/%d dpms on\n", pipe, plane);
+ /* Write the TU size bits so error detection works */
+ I915_WRITE(FDI_RX_TUSIZE1(pipe),
+ I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK);
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- temp = I915_READ(PCH_LVDS);
- if ((temp & LVDS_PORT_EN) == 0) {
- I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
- POSTING_READ(PCH_LVDS);
- }
- }
+ /* enable PCH FDI RX PLL, wait warmup plus DMI latency */
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~((0x7 << 19) | (0x7 << 16));
+ temp |= (intel_crtc->fdi_lanes - 1) << 19;
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
- if (!HAS_eDP) {
+ POSTING_READ(reg);
+ udelay(200);
- /* enable PCH FDI RX PLL, wait warmup plus DMI latency */
- temp = I915_READ(fdi_rx_reg);
- /*
- * make the BPC in FDI Rx be consistent with that in
- * pipeconf reg.
- */
- temp &= ~(0x7 << 16);
- temp |= (pipe_bpc << 11);
- temp &= ~(7 << 19);
- temp |= (intel_crtc->fdi_lanes - 1) << 19;
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
- I915_READ(fdi_rx_reg);
- udelay(200);
+ /* Switch from Rawclk to PCDclk */
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp | FDI_PCDCLK);
- /* Switch from Rawclk to PCDclk */
- temp = I915_READ(fdi_rx_reg);
- I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
- I915_READ(fdi_rx_reg);
- udelay(200);
+ POSTING_READ(reg);
+ udelay(200);
- /* Enable CPU FDI TX PLL, always on for Ironlake */
- temp = I915_READ(fdi_tx_reg);
- if ((temp & FDI_TX_PLL_ENABLE) == 0) {
- I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
- I915_READ(fdi_tx_reg);
- udelay(100);
- }
- }
+ /* Enable CPU FDI TX PLL, always on for Ironlake */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ if ((temp & FDI_TX_PLL_ENABLE) == 0) {
+ I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE);
- /* Enable panel fitting for LVDS */
- if (dev_priv->pch_pf_size &&
- (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
- || HAS_eDP || intel_pch_has_edp(crtc))) {
- /* Force use of hard-coded filter coefficients
- * as some pre-programmed values are broken,
- * e.g. x201.
- */
- I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1,
- PF_ENABLE | PF_FILTER_MED_3x3);
- I915_WRITE(pipe ? PFB_WIN_POS : PFA_WIN_POS,
- dev_priv->pch_pf_pos);
- I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ,
- dev_priv->pch_pf_size);
- }
+ POSTING_READ(reg);
+ udelay(100);
+ }
+}
- /* Enable CPU pipe */
- temp = I915_READ(pipeconf_reg);
- if ((temp & PIPEACONF_ENABLE) == 0) {
- I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
- I915_READ(pipeconf_reg);
- udelay(100);
- }
+static void intel_flush_display_plane(struct drm_device *dev,
+ int plane)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 reg = DSPADDR(plane);
+ I915_WRITE(reg, I915_READ(reg));
+}
- /* configure and enable CPU plane */
- temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
- I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
- }
+/*
+ * When we disable a pipe, we need to clear any pending scanline wait events
+ * to avoid hanging the ring, which we assume we are waiting on.
+ */
+static void intel_clear_scanline_wait(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 tmp;
- if (!HAS_eDP) {
- /* For PCH output, training FDI link */
- if (IS_GEN6(dev))
- gen6_fdi_link_train(crtc);
- else
- ironlake_fdi_link_train(crtc);
+ if (IS_GEN2(dev))
+ /* Can't break the hang on i8xx */
+ return;
- /* enable PCH DPLL */
- temp = I915_READ(pch_dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) == 0) {
- I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
- I915_READ(pch_dpll_reg);
- }
- udelay(200);
+ tmp = I915_READ(PRB0_CTL);
+ if (tmp & RING_WAIT) {
+ I915_WRITE(PRB0_CTL, tmp);
+ POSTING_READ(PRB0_CTL);
+ }
+}
- if (HAS_PCH_CPT(dev)) {
- /* Be sure PCH DPLL SEL is set */
- temp = I915_READ(PCH_DPLL_SEL);
- if (trans_dpll_sel == 0 &&
- (temp & TRANSA_DPLL_ENABLE) == 0)
- temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
- else if (trans_dpll_sel == 1 &&
- (temp & TRANSB_DPLL_ENABLE) == 0)
- temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
- I915_WRITE(PCH_DPLL_SEL, temp);
- I915_READ(PCH_DPLL_SEL);
- }
+static void ironlake_crtc_enable(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
+ u32 reg, temp;
- /* set transcoder timing */
- I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
- I915_WRITE(trans_hblank_reg, I915_READ(cpu_hblank_reg));
- I915_WRITE(trans_hsync_reg, I915_READ(cpu_hsync_reg));
-
- I915_WRITE(trans_vtot_reg, I915_READ(cpu_vtot_reg));
- I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
- I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
-
- /* enable normal train */
- temp = I915_READ(fdi_tx_reg);
- temp &= ~FDI_LINK_TRAIN_NONE;
- I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
- FDI_TX_ENHANCE_FRAME_ENABLE);
- I915_READ(fdi_tx_reg);
-
- temp = I915_READ(fdi_rx_reg);
- if (HAS_PCH_CPT(dev)) {
- temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
- temp |= FDI_LINK_TRAIN_NORMAL_CPT;
- } else {
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_NONE;
- }
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
- I915_READ(fdi_rx_reg);
+ if (intel_crtc->active)
+ return;
- /* wait one idle pattern time */
- udelay(100);
+ intel_crtc->active = true;
+ intel_update_watermarks(dev);
- /* For PCH DP, enable TRANS_DP_CTL */
- if (HAS_PCH_CPT(dev) &&
- intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
- int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
- int reg;
-
- reg = I915_READ(trans_dp_ctl);
- reg &= ~(TRANS_DP_PORT_SEL_MASK |
- TRANS_DP_SYNC_MASK);
- reg |= (TRANS_DP_OUTPUT_ENABLE |
- TRANS_DP_ENH_FRAMING);
-
- if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
- reg |= TRANS_DP_HSYNC_ACTIVE_HIGH;
- if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
- reg |= TRANS_DP_VSYNC_ACTIVE_HIGH;
-
- switch (intel_trans_dp_port_sel(crtc)) {
- case PCH_DP_B:
- reg |= TRANS_DP_PORT_SEL_B;
- break;
- case PCH_DP_C:
- reg |= TRANS_DP_PORT_SEL_C;
- break;
- case PCH_DP_D:
- reg |= TRANS_DP_PORT_SEL_D;
- break;
- default:
- DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n");
- reg |= TRANS_DP_PORT_SEL_B;
- break;
- }
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ temp = I915_READ(PCH_LVDS);
+ if ((temp & LVDS_PORT_EN) == 0)
+ I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN);
+ }
- I915_WRITE(trans_dp_ctl, reg);
- POSTING_READ(trans_dp_ctl);
- }
+ ironlake_fdi_enable(crtc);
- /* enable PCH transcoder */
- temp = I915_READ(transconf_reg);
- /*
- * make the BPC in transcoder be consistent with
- * that in pipeconf reg.
- */
- temp &= ~PIPE_BPC_MASK;
- temp |= pipe_bpc;
- I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
- I915_READ(transconf_reg);
+ /* Enable panel fitting for LVDS */
+ if (dev_priv->pch_pf_size &&
+ (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
+ || HAS_eDP || intel_pch_has_edp(crtc))) {
+ /* Force use of hard-coded filter coefficients
+ * as some pre-programmed values are broken,
+ * e.g. x201.
+ */
+ I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1,
+ PF_ENABLE | PF_FILTER_MED_3x3);
+ I915_WRITE(pipe ? PFB_WIN_POS : PFA_WIN_POS,
+ dev_priv->pch_pf_pos);
+ I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ,
+ dev_priv->pch_pf_size);
+ }
+
+ /* Enable CPU pipe */
+ reg = PIPECONF(pipe);
+ temp = I915_READ(reg);
+ if ((temp & PIPECONF_ENABLE) == 0) {
+ I915_WRITE(reg, temp | PIPECONF_ENABLE);
+ POSTING_READ(reg);
+ udelay(100);
+ }
- if (wait_for(I915_READ(transconf_reg) & TRANS_STATE_ENABLE, 100, 1))
- DRM_ERROR("failed to enable transcoder\n");
- }
+ /* configure and enable CPU plane */
+ reg = DSPCNTR(plane);
+ temp = I915_READ(reg);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ I915_WRITE(reg, temp | DISPLAY_PLANE_ENABLE);
+ intel_flush_display_plane(dev, plane);
+ }
- intel_crtc_load_lut(crtc);
+ /* For PCH output, training FDI link */
+ if (IS_GEN6(dev))
+ gen6_fdi_link_train(crtc);
+ else
+ ironlake_fdi_link_train(crtc);
+
+ /* enable PCH DPLL */
+ reg = PCH_DPLL(pipe);
+ temp = I915_READ(reg);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
+ POSTING_READ(reg);
+ udelay(200);
+ }
- intel_update_fbc(crtc, &crtc->mode);
- break;
+ if (HAS_PCH_CPT(dev)) {
+ /* Be sure PCH DPLL SEL is set */
+ temp = I915_READ(PCH_DPLL_SEL);
+ if (pipe == 0 && (temp & TRANSA_DPLL_ENABLE) == 0)
+ temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+ else if (pipe == 1 && (temp & TRANSB_DPLL_ENABLE) == 0)
+ temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ I915_WRITE(PCH_DPLL_SEL, temp);
+ }
- case DRM_MODE_DPMS_OFF:
- DRM_DEBUG_KMS("crtc %d/%d dpms off\n", pipe, plane);
+ /* set transcoder timing */
+ I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe)));
+ I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe)));
+ I915_WRITE(TRANS_HSYNC(pipe), I915_READ(HSYNC(pipe)));
- drm_vblank_off(dev, pipe);
- /* Disable display plane */
- temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
- I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
- I915_READ(dspbase_reg);
+ I915_WRITE(TRANS_VTOTAL(pipe), I915_READ(VTOTAL(pipe)));
+ I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe)));
+ I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe)));
+
+ /* enable normal train */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE;
+ I915_WRITE(reg, temp);
+
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_NORMAL_CPT;
+ } else {
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_NONE;
+ }
+ I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
+
+ /* wait one idle pattern time */
+ POSTING_READ(reg);
+ udelay(100);
+
+ /* For PCH DP, enable TRANS_DP_CTL */
+ if (HAS_PCH_CPT(dev) &&
+ intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
+ reg = TRANS_DP_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~(TRANS_DP_PORT_SEL_MASK |
+ TRANS_DP_SYNC_MASK);
+ temp |= (TRANS_DP_OUTPUT_ENABLE |
+ TRANS_DP_ENH_FRAMING);
+
+ if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
+ temp |= TRANS_DP_HSYNC_ACTIVE_HIGH;
+ if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
+ temp |= TRANS_DP_VSYNC_ACTIVE_HIGH;
+
+ switch (intel_trans_dp_port_sel(crtc)) {
+ case PCH_DP_B:
+ temp |= TRANS_DP_PORT_SEL_B;
+ break;
+ case PCH_DP_C:
+ temp |= TRANS_DP_PORT_SEL_C;
+ break;
+ case PCH_DP_D:
+ temp |= TRANS_DP_PORT_SEL_D;
+ break;
+ default:
+ DRM_DEBUG_KMS("Wrong PCH DP port return. Guess port B\n");
+ temp |= TRANS_DP_PORT_SEL_B;
+ break;
}
- if (dev_priv->cfb_plane == plane &&
- dev_priv->display.disable_fbc)
- dev_priv->display.disable_fbc(dev);
+ I915_WRITE(reg, temp);
+ }
- /* disable cpu pipe, disable after all planes disabled */
- temp = I915_READ(pipeconf_reg);
- if ((temp & PIPEACONF_ENABLE) != 0) {
- I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
+ /* enable PCH transcoder */
+ reg = TRANSCONF(pipe);
+ temp = I915_READ(reg);
+ /*
+ * make the BPC in transcoder be consistent with
+ * that in pipeconf reg.
+ */
+ temp &= ~PIPE_BPC_MASK;
+ temp |= I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK;
+ I915_WRITE(reg, temp | TRANS_ENABLE);
+ if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
+ DRM_ERROR("failed to enable transcoder\n");
- /* wait for cpu pipe off, pipe state */
- if (wait_for((I915_READ(pipeconf_reg) & I965_PIPECONF_ACTIVE) == 0, 50, 1))
- DRM_ERROR("failed to turn off cpu pipe\n");
- } else
- DRM_DEBUG_KMS("crtc %d is disabled\n", pipe);
+ intel_crtc_load_lut(crtc);
+ intel_update_fbc(dev);
+ intel_crtc_update_cursor(crtc, true);
+}
- udelay(100);
+static void ironlake_crtc_disable(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
+ u32 reg, temp;
- /* Disable PF */
- I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1, 0);
- I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ, 0);
+ if (!intel_crtc->active)
+ return;
- /* disable CPU FDI tx and PCH FDI rx */
- temp = I915_READ(fdi_tx_reg);
- I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_ENABLE);
- I915_READ(fdi_tx_reg);
+ drm_vblank_off(dev, pipe);
+ intel_crtc_update_cursor(crtc, false);
- temp = I915_READ(fdi_rx_reg);
- /* BPC in FDI rx is consistent with that in pipeconf */
- temp &= ~(0x07 << 16);
- temp |= (pipe_bpc << 11);
- I915_WRITE(fdi_rx_reg, temp & ~FDI_RX_ENABLE);
- I915_READ(fdi_rx_reg);
+ /* Disable display plane */
+ reg = DSPCNTR(plane);
+ temp = I915_READ(reg);
+ if (temp & DISPLAY_PLANE_ENABLE) {
+ I915_WRITE(reg, temp & ~DISPLAY_PLANE_ENABLE);
+ intel_flush_display_plane(dev, plane);
+ }
- udelay(100);
+ if (dev_priv->cfb_plane == plane &&
+ dev_priv->display.disable_fbc)
+ dev_priv->display.disable_fbc(dev);
- /* still set train pattern 1 */
- temp = I915_READ(fdi_tx_reg);
+ /* disable cpu pipe, disable after all planes disabled */
+ reg = PIPECONF(pipe);
+ temp = I915_READ(reg);
+ if (temp & PIPECONF_ENABLE) {
+ I915_WRITE(reg, temp & ~PIPECONF_ENABLE);
+ /* wait for cpu pipe off, pipe state */
+ if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, 50))
+ DRM_ERROR("failed to turn off cpu pipe\n");
+ }
+
+ /* Disable PF */
+ I915_WRITE(pipe ? PFB_CTL_1 : PFA_CTL_1, 0);
+ I915_WRITE(pipe ? PFB_WIN_SZ : PFA_WIN_SZ, 0);
+
+ /* disable CPU FDI tx and PCH FDI rx */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~FDI_TX_ENABLE);
+ POSTING_READ(reg);
+
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~(0x7 << 16);
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ I915_WRITE(reg, temp & ~FDI_RX_ENABLE);
+
+ POSTING_READ(reg);
+ udelay(100);
+
+ /* still set train pattern 1 */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~FDI_LINK_TRAIN_NONE;
+ temp |= FDI_LINK_TRAIN_PATTERN_1;
+ I915_WRITE(reg, temp);
+
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ if (HAS_PCH_CPT(dev)) {
+ temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+ temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
+ } else {
temp &= ~FDI_LINK_TRAIN_NONE;
temp |= FDI_LINK_TRAIN_PATTERN_1;
- I915_WRITE(fdi_tx_reg, temp);
- POSTING_READ(fdi_tx_reg);
-
- temp = I915_READ(fdi_rx_reg);
- if (HAS_PCH_CPT(dev)) {
- temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
- temp |= FDI_LINK_TRAIN_PATTERN_1_CPT;
- } else {
- temp &= ~FDI_LINK_TRAIN_NONE;
- temp |= FDI_LINK_TRAIN_PATTERN_1;
- }
- I915_WRITE(fdi_rx_reg, temp);
- POSTING_READ(fdi_rx_reg);
+ }
+ /* BPC in FDI rx is consistent with that in PIPECONF */
+ temp &= ~(0x07 << 16);
+ temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11;
+ I915_WRITE(reg, temp);
- udelay(100);
+ POSTING_READ(reg);
+ udelay(100);
- if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
- temp = I915_READ(PCH_LVDS);
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ temp = I915_READ(PCH_LVDS);
+ if (temp & LVDS_PORT_EN) {
I915_WRITE(PCH_LVDS, temp & ~LVDS_PORT_EN);
- I915_READ(PCH_LVDS);
+ POSTING_READ(PCH_LVDS);
udelay(100);
}
+ }
- /* disable PCH transcoder */
- temp = I915_READ(transconf_reg);
- if ((temp & TRANS_ENABLE) != 0) {
- I915_WRITE(transconf_reg, temp & ~TRANS_ENABLE);
+ /* disable PCH transcoder */
+ reg = TRANSCONF(plane);
+ temp = I915_READ(reg);
+ if (temp & TRANS_ENABLE) {
+ I915_WRITE(reg, temp & ~TRANS_ENABLE);
+ /* wait for PCH transcoder off, transcoder state */
+ if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
+ DRM_ERROR("failed to disable transcoder\n");
+ }
- /* wait for PCH transcoder off, transcoder state */
- if (wait_for((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0, 50, 1))
- DRM_ERROR("failed to disable transcoder\n");
- }
+ if (HAS_PCH_CPT(dev)) {
+ /* disable TRANS_DP_CTL */
+ reg = TRANS_DP_CTL(pipe);
+ temp = I915_READ(reg);
+ temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
+ I915_WRITE(reg, temp);
- temp = I915_READ(transconf_reg);
- /* BPC in transcoder is consistent with that in pipeconf */
- temp &= ~PIPE_BPC_MASK;
- temp |= pipe_bpc;
- I915_WRITE(transconf_reg, temp);
- I915_READ(transconf_reg);
- udelay(100);
+ /* disable DPLL_SEL */
+ temp = I915_READ(PCH_DPLL_SEL);
+ if (pipe == 0)
+ temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
+ else
+ temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ I915_WRITE(PCH_DPLL_SEL, temp);
+ }
- if (HAS_PCH_CPT(dev)) {
- /* disable TRANS_DP_CTL */
- int trans_dp_ctl = (pipe == 0) ? TRANS_DP_CTL_A : TRANS_DP_CTL_B;
- int reg;
+ /* disable PCH DPLL */
+ reg = PCH_DPLL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~DPLL_VCO_ENABLE);
- reg = I915_READ(trans_dp_ctl);
- reg &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK);
- I915_WRITE(trans_dp_ctl, reg);
- POSTING_READ(trans_dp_ctl);
+ /* Switch from PCDclk to Rawclk */
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~FDI_PCDCLK);
- /* disable DPLL_SEL */
- temp = I915_READ(PCH_DPLL_SEL);
- if (trans_dpll_sel == 0)
- temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL);
- else
- temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
- I915_WRITE(PCH_DPLL_SEL, temp);
- I915_READ(PCH_DPLL_SEL);
+ /* Disable CPU FDI TX PLL */
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE);
- }
+ POSTING_READ(reg);
+ udelay(100);
- /* disable PCH DPLL */
- temp = I915_READ(pch_dpll_reg);
- I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
- I915_READ(pch_dpll_reg);
-
- /* Switch from PCDclk to Rawclk */
- temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_SEL_PCDCLK;
- I915_WRITE(fdi_rx_reg, temp);
- I915_READ(fdi_rx_reg);
-
- /* Disable CPU FDI TX PLL */
- temp = I915_READ(fdi_tx_reg);
- I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_PLL_ENABLE);
- I915_READ(fdi_tx_reg);
- udelay(100);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE);
+
+ /* Wait for the clocks to turn off. */
+ POSTING_READ(reg);
+ udelay(100);
+
+ intel_crtc->active = false;
+ intel_update_watermarks(dev);
+ intel_update_fbc(dev);
+ intel_clear_scanline_wait(dev);
+}
+
+static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
+
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ DRM_DEBUG_KMS("crtc %d/%d dpms on\n", pipe, plane);
+ ironlake_crtc_enable(crtc);
+ break;
+
+ case DRM_MODE_DPMS_OFF:
+ DRM_DEBUG_KMS("crtc %d/%d dpms off\n", pipe, plane);
+ ironlake_crtc_disable(crtc);
+ break;
+ }
+}
+
+static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable)
+{
+ if (!enable && intel_crtc->overlay) {
+ struct drm_device *dev = intel_crtc->base.dev;
+
+ mutex_lock(&dev->struct_mutex);
+ (void) intel_overlay_switch_off(intel_crtc->overlay, false);
+ mutex_unlock(&dev->struct_mutex);
+ }
+
+ /* Let userspace switch the overlay on again. In most cases userspace
+ * has to recompute where to put it anyway.
+ */
+}
+
+static void i9xx_crtc_enable(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
+ u32 reg, temp;
+
+ if (intel_crtc->active)
+ return;
+
+ intel_crtc->active = true;
+ intel_update_watermarks(dev);
+
+ /* Enable the DPLL */
+ reg = DPLL(pipe);
+ temp = I915_READ(reg);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ I915_WRITE(reg, temp);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(reg);
+ udelay(150);
+
+ I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
+
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(reg);
+ udelay(150);
- temp = I915_READ(fdi_rx_reg);
- temp &= ~FDI_RX_PLL_ENABLE;
- I915_WRITE(fdi_rx_reg, temp);
- I915_READ(fdi_rx_reg);
+ I915_WRITE(reg, temp | DPLL_VCO_ENABLE);
- /* Wait for the clocks to turn off. */
- udelay(100);
- break;
+ /* Wait for the clocks to stabilize. */
+ POSTING_READ(reg);
+ udelay(150);
}
-}
-
-static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable)
-{
- struct intel_overlay *overlay;
- int ret;
- if (!enable && intel_crtc->overlay) {
- overlay = intel_crtc->overlay;
- mutex_lock(&overlay->dev->struct_mutex);
- for (;;) {
- ret = intel_overlay_switch_off(overlay);
- if (ret == 0)
- break;
+ /* Enable the pipe */
+ reg = PIPECONF(pipe);
+ temp = I915_READ(reg);
+ if ((temp & PIPECONF_ENABLE) == 0)
+ I915_WRITE(reg, temp | PIPECONF_ENABLE);
- ret = intel_overlay_recover_from_interrupt(overlay, 0);
- if (ret != 0) {
- /* overlay doesn't react anymore. Usually
- * results in a black screen and an unkillable
- * X server. */
- BUG();
- overlay->hw_wedged = HW_WEDGED;
- break;
- }
- }
- mutex_unlock(&overlay->dev->struct_mutex);
+ /* Enable the plane */
+ reg = DSPCNTR(plane);
+ temp = I915_READ(reg);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ I915_WRITE(reg, temp | DISPLAY_PLANE_ENABLE);
+ intel_flush_display_plane(dev, plane);
}
- /* Let userspace switch the overlay on again. In most cases userspace
- * has to recompute where to put it anyway. */
- return;
+ intel_crtc_load_lut(crtc);
+ intel_update_fbc(dev);
+
+ /* Give the overlay scaler a chance to enable if it's on this pipe */
+ intel_crtc_dpms_overlay(intel_crtc, true);
+ intel_crtc_update_cursor(crtc, true);
}
-static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void i9xx_crtc_disable(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
- int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
- int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
- int dspbase_reg = (plane == 0) ? DSPAADDR : DSPBADDR;
- int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
- u32 temp;
-
- /* XXX: When our outputs are all unaware of DPMS modes other than off
- * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
- */
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- /* Enable the DPLL */
- temp = I915_READ(dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) == 0) {
- I915_WRITE(dpll_reg, temp);
- I915_READ(dpll_reg);
- /* Wait for the clocks to stabilize. */
- udelay(150);
- I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
- I915_READ(dpll_reg);
- /* Wait for the clocks to stabilize. */
- udelay(150);
- I915_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
- I915_READ(dpll_reg);
- /* Wait for the clocks to stabilize. */
- udelay(150);
- }
+ u32 reg, temp;
- /* Enable the pipe */
- temp = I915_READ(pipeconf_reg);
- if ((temp & PIPEACONF_ENABLE) == 0)
- I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
- /* Enable the plane */
- temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
- I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
- }
+ if (!intel_crtc->active)
+ return;
- intel_crtc_load_lut(crtc);
+ /* Give the overlay scaler a chance to disable if it's on this pipe */
+ intel_crtc_dpms_overlay(intel_crtc, false);
+ intel_crtc_update_cursor(crtc, false);
+ drm_vblank_off(dev, pipe);
- if ((IS_I965G(dev) || plane == 0))
- intel_update_fbc(crtc, &crtc->mode);
+ if (dev_priv->cfb_plane == plane &&
+ dev_priv->display.disable_fbc)
+ dev_priv->display.disable_fbc(dev);
- /* Give the overlay scaler a chance to enable if it's on this pipe */
- intel_crtc_dpms_overlay(intel_crtc, true);
- break;
- case DRM_MODE_DPMS_OFF:
- /* Give the overlay scaler a chance to disable if it's on this pipe */
- intel_crtc_dpms_overlay(intel_crtc, false);
- drm_vblank_off(dev, pipe);
-
- if (dev_priv->cfb_plane == plane &&
- dev_priv->display.disable_fbc)
- dev_priv->display.disable_fbc(dev);
-
- /* Disable display plane */
- temp = I915_READ(dspcntr_reg);
- if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
- I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
- /* Flush the plane changes */
- I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
- I915_READ(dspbase_reg);
- }
+ /* Disable display plane */
+ reg = DSPCNTR(plane);
+ temp = I915_READ(reg);
+ if (temp & DISPLAY_PLANE_ENABLE) {
+ I915_WRITE(reg, temp & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ intel_flush_display_plane(dev, plane);
/* Wait for vblank for the disable to take effect */
- intel_wait_for_vblank_off(dev, pipe);
+ if (!IS_I9XX(dev))
+ intel_wait_for_vblank_off(dev, pipe);
+ }
- /* Don't disable pipe A or pipe A PLLs if needed */
- if (pipeconf_reg == PIPEACONF &&
- (dev_priv->quirks & QUIRK_PIPEA_FORCE))
- goto skip_pipe_off;
+ /* Don't disable pipe A or pipe A PLLs if needed */
+ if (pipe == 0 && (dev_priv->quirks & QUIRK_PIPEA_FORCE))
+ goto done;
- /* Next, disable display pipes */
- temp = I915_READ(pipeconf_reg);
- if ((temp & PIPEACONF_ENABLE) != 0) {
- I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
- I915_READ(pipeconf_reg);
- }
+ /* Next, disable display pipes */
+ reg = PIPECONF(pipe);
+ temp = I915_READ(reg);
+ if (temp & PIPECONF_ENABLE) {
+ I915_WRITE(reg, temp & ~PIPECONF_ENABLE);
/* Wait for vblank for the disable to take effect. */
+ POSTING_READ(reg);
intel_wait_for_vblank_off(dev, pipe);
+ }
+
+ reg = DPLL(pipe);
+ temp = I915_READ(reg);
+ if (temp & DPLL_VCO_ENABLE) {
+ I915_WRITE(reg, temp & ~DPLL_VCO_ENABLE);
- temp = I915_READ(dpll_reg);
- if ((temp & DPLL_VCO_ENABLE) != 0) {
- I915_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
- I915_READ(dpll_reg);
- }
- skip_pipe_off:
/* Wait for the clocks to turn off. */
+ POSTING_READ(reg);
udelay(150);
+ }
+
+done:
+ intel_crtc->active = false;
+ intel_update_fbc(dev);
+ intel_update_watermarks(dev);
+ intel_clear_scanline_wait(dev);
+}
+
+static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ i9xx_crtc_enable(crtc);
+ break;
+ case DRM_MODE_DPMS_OFF:
+ i9xx_crtc_disable(crtc);
break;
}
}
return;
intel_crtc->dpms_mode = mode;
- intel_crtc->cursor_on = mode == DRM_MODE_DPMS_ON;
-
- /* When switching on the display, ensure that SR is disabled
- * with multiple pipes prior to enabling to new pipe.
- *
- * When switching off the display, make sure the cursor is
- * properly hidden prior to disabling the pipe.
- */
- if (mode == DRM_MODE_DPMS_ON)
- intel_update_watermarks(dev);
- else
- intel_crtc_update_cursor(crtc);
dev_priv->display.dpms(crtc, mode);
- if (mode == DRM_MODE_DPMS_ON)
- intel_crtc_update_cursor(crtc);
- else
- intel_update_watermarks(dev);
-
if (!dev->primary->master)
return;
}
}
-static void intel_crtc_prepare (struct drm_crtc *crtc)
+/* Prepare for a mode set.
+ *
+ * Note we could be a lot smarter here. We need to figure out which outputs
+ * will be enabled, which disabled (in short, how the config will changes)
+ * and perform the minimum necessary steps to accomplish that, e.g. updating
+ * watermarks, FBC configuration, making sure PLLs are programmed correctly,
+ * panel fitting is in the proper state, etc.
+ */
+static void i9xx_crtc_prepare(struct drm_crtc *crtc)
{
- struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
- crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+ i9xx_crtc_disable(crtc);
}
-static void intel_crtc_commit (struct drm_crtc *crtc)
+static void i9xx_crtc_commit(struct drm_crtc *crtc)
{
- struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
- crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+ i9xx_crtc_enable(crtc);
+}
+
+static void ironlake_crtc_prepare(struct drm_crtc *crtc)
+{
+ ironlake_crtc_disable(crtc);
+}
+
+static void ironlake_crtc_commit(struct drm_crtc *crtc)
+{
+ ironlake_crtc_enable(crtc);
}
void intel_encoder_prepare (struct drm_encoder *encoder)
void intel_encoder_destroy(struct drm_encoder *encoder)
{
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
- if (intel_encoder->ddc_bus)
- intel_i2c_destroy(intel_encoder->ddc_bus);
-
- if (intel_encoder->i2c_bus)
- intel_i2c_destroy(intel_encoder->i2c_bus);
+ struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
drm_encoder_cleanup(encoder);
kfree(intel_encoder);
return 133000;
}
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-int intel_panel_fitter_pipe (struct drm_device *dev)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
- u32 pfit_control;
-
- /* i830 doesn't have a panel fitter */
- if (IS_I830(dev))
- return -1;
-
- pfit_control = I915_READ(PFIT_CONTROL);
-
- /* See if the panel fitter is in use */
- if ((pfit_control & PFIT_ENABLE) == 0)
- return -1;
-
- /* 965 can place panel fitter on either pipe */
- if (IS_I965G(dev))
- return (pfit_control >> 29) & 0x3;
-
- /* older chips can only use pipe 1 */
- return 1;
-}
-
struct fdi_m_n {
u32 tu;
u32 gmch_m;
size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) - size;
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A", size);
+ plane ? "B" : "A", size);
return size;
}
size >>= 1; /* Convert to cachelines */
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A", size);
+ plane ? "B" : "A", size);
return size;
}
size >>= 2; /* Convert to cachelines */
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A",
- size);
+ plane ? "B" : "A",
+ size);
return size;
}
size >>= 1; /* Convert to cachelines */
DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
- plane ? "B" : "A", size);
+ plane ? "B" : "A", size);
return size;
}
static void pineview_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int unused,
- int pixel_size)
+ int planeb_clock, int sr_hdisplay, int unused,
+ int pixel_size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
const struct cxsr_latency *latency;
/* Use ns/us then divide to preserve precision */
sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
- pixel_size * sr_hdisplay;
+ pixel_size * sr_hdisplay;
sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
entries_required = (((sr_latency_ns / line_time_us) +
1000) / 1000) * pixel_size * 64;
entries_required = DIV_ROUND_UP(entries_required,
- g4x_cursor_wm_info.cacheline_size);
+ g4x_cursor_wm_info.cacheline_size);
cursor_sr = entries_required + g4x_cursor_wm_info.guard_size;
if (cursor_sr > g4x_cursor_wm_info.max_wm)
} else {
/* Turn off self refresh if both pipes are enabled */
I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
- & ~FW_BLC_SELF_EN);
+ & ~FW_BLC_SELF_EN);
}
DRM_DEBUG("Setting FIFO watermarks - A: %d, B: %d, SR %d\n",
/* Use ns/us then divide to preserve precision */
sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
- pixel_size * sr_hdisplay;
+ pixel_size * sr_hdisplay;
sr_entries = DIV_ROUND_UP(sr_entries, I915_FIFO_LINE_SIZE);
DRM_DEBUG("self-refresh entries: %d\n", sr_entries);
srwm = I965_FIFO_SIZE - sr_entries;
srwm &= 0x1ff;
sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
- pixel_size * 64;
+ pixel_size * 64;
sr_entries = DIV_ROUND_UP(sr_entries,
i965_cursor_wm_info.cacheline_size);
cursor_sr = i965_cursor_wm_info.fifo_size -
- (sr_entries + i965_cursor_wm_info.guard_size);
+ (sr_entries + i965_cursor_wm_info.guard_size);
if (cursor_sr > i965_cursor_wm_info.max_wm)
cursor_sr = i965_cursor_wm_info.max_wm;
/* Use ns/us then divide to preserve precision */
sr_entries = (((sr_latency_ns / line_time_us) + 1000) / 1000) *
- pixel_size * sr_hdisplay;
+ pixel_size * sr_hdisplay;
sr_entries = DIV_ROUND_UP(sr_entries, cacheline_size);
DRM_DEBUG_KMS("self-refresh entries: %d\n", sr_entries);
srwm = total_size - sr_entries;
}
DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
- planea_wm, planeb_wm, cwm, srwm);
+ planea_wm, planeb_wm, cwm, srwm);
fwater_lo = ((planeb_wm & 0x3f) << 16) | (planea_wm & 0x3f);
fwater_hi = (cwm & 0x1f);
#define ILK_LP0_PLANE_LATENCY 700
#define ILK_LP0_CURSOR_LATENCY 1300
-static void ironlake_update_wm(struct drm_device *dev, int planea_clock,
- int planeb_clock, int sr_hdisplay, int sr_htotal,
- int pixel_size)
+static bool ironlake_compute_wm0(struct drm_device *dev,
+ int pipe,
+ int *plane_wm,
+ int *cursor_wm)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
- int planea_wm, planeb_wm, cursora_wm, cursorb_wm;
- int sr_wm, cursor_wm;
- unsigned long line_time_us;
- int sr_clock, entries_required;
- u32 reg_value;
- int line_count;
- int planea_htotal = 0, planeb_htotal = 0;
struct drm_crtc *crtc;
+ int htotal, hdisplay, clock, pixel_size = 0;
+ int line_time_us, line_count, entries;
- /* Need htotal for all active display plane */
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- if (intel_crtc->dpms_mode == DRM_MODE_DPMS_ON) {
- if (intel_crtc->plane == 0)
- planea_htotal = crtc->mode.htotal;
- else
- planeb_htotal = crtc->mode.htotal;
- }
- }
-
- /* Calculate and update the watermark for plane A */
- if (planea_clock) {
- entries_required = ((planea_clock / 1000) * pixel_size *
- ILK_LP0_PLANE_LATENCY) / 1000;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_wm_info.cacheline_size);
- planea_wm = entries_required +
- ironlake_display_wm_info.guard_size;
-
- if (planea_wm > (int)ironlake_display_wm_info.max_wm)
- planea_wm = ironlake_display_wm_info.max_wm;
-
- /* Use the large buffer method to calculate cursor watermark */
- line_time_us = (planea_htotal * 1000) / planea_clock;
-
- /* Use ns/us then divide to preserve precision */
- line_count = (ILK_LP0_CURSOR_LATENCY / line_time_us + 1000) / 1000;
-
- /* calculate the cursor watermark for cursor A */
- entries_required = line_count * 64 * pixel_size;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_cursor_wm_info.cacheline_size);
- cursora_wm = entries_required + ironlake_cursor_wm_info.guard_size;
- if (cursora_wm > ironlake_cursor_wm_info.max_wm)
- cursora_wm = ironlake_cursor_wm_info.max_wm;
-
- reg_value = I915_READ(WM0_PIPEA_ILK);
- reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
- reg_value |= (planea_wm << WM0_PIPE_PLANE_SHIFT) |
- (cursora_wm & WM0_PIPE_CURSOR_MASK);
- I915_WRITE(WM0_PIPEA_ILK, reg_value);
- DRM_DEBUG_KMS("FIFO watermarks For pipe A - plane %d, "
- "cursor: %d\n", planea_wm, cursora_wm);
- }
- /* Calculate and update the watermark for plane B */
- if (planeb_clock) {
- entries_required = ((planeb_clock / 1000) * pixel_size *
- ILK_LP0_PLANE_LATENCY) / 1000;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_wm_info.cacheline_size);
- planeb_wm = entries_required +
- ironlake_display_wm_info.guard_size;
-
- if (planeb_wm > (int)ironlake_display_wm_info.max_wm)
- planeb_wm = ironlake_display_wm_info.max_wm;
+ crtc = intel_get_crtc_for_pipe(dev, pipe);
+ if (crtc->fb == NULL || !crtc->enabled)
+ return false;
- /* Use the large buffer method to calculate cursor watermark */
- line_time_us = (planeb_htotal * 1000) / planeb_clock;
+ htotal = crtc->mode.htotal;
+ hdisplay = crtc->mode.hdisplay;
+ clock = crtc->mode.clock;
+ pixel_size = crtc->fb->bits_per_pixel / 8;
+
+ /* Use the small buffer method to calculate plane watermark */
+ entries = ((clock * pixel_size / 1000) * ILK_LP0_PLANE_LATENCY) / 1000;
+ entries = DIV_ROUND_UP(entries,
+ ironlake_display_wm_info.cacheline_size);
+ *plane_wm = entries + ironlake_display_wm_info.guard_size;
+ if (*plane_wm > (int)ironlake_display_wm_info.max_wm)
+ *plane_wm = ironlake_display_wm_info.max_wm;
+
+ /* Use the large buffer method to calculate cursor watermark */
+ line_time_us = ((htotal * 1000) / clock);
+ line_count = (ILK_LP0_CURSOR_LATENCY / line_time_us + 1000) / 1000;
+ entries = line_count * 64 * pixel_size;
+ entries = DIV_ROUND_UP(entries,
+ ironlake_cursor_wm_info.cacheline_size);
+ *cursor_wm = entries + ironlake_cursor_wm_info.guard_size;
+ if (*cursor_wm > ironlake_cursor_wm_info.max_wm)
+ *cursor_wm = ironlake_cursor_wm_info.max_wm;
- /* Use ns/us then divide to preserve precision */
- line_count = (ILK_LP0_CURSOR_LATENCY / line_time_us + 1000) / 1000;
+ return true;
+}
- /* calculate the cursor watermark for cursor B */
- entries_required = line_count * 64 * pixel_size;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_cursor_wm_info.cacheline_size);
- cursorb_wm = entries_required + ironlake_cursor_wm_info.guard_size;
- if (cursorb_wm > ironlake_cursor_wm_info.max_wm)
- cursorb_wm = ironlake_cursor_wm_info.max_wm;
+static void ironlake_update_wm(struct drm_device *dev,
+ int planea_clock, int planeb_clock,
+ int sr_hdisplay, int sr_htotal,
+ int pixel_size)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int plane_wm, cursor_wm, enabled;
+ int tmp;
+
+ enabled = 0;
+ if (ironlake_compute_wm0(dev, 0, &plane_wm, &cursor_wm)) {
+ I915_WRITE(WM0_PIPEA_ILK,
+ (plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm);
+ DRM_DEBUG_KMS("FIFO watermarks For pipe A -"
+ " plane %d, " "cursor: %d\n",
+ plane_wm, cursor_wm);
+ enabled++;
+ }
- reg_value = I915_READ(WM0_PIPEB_ILK);
- reg_value &= ~(WM0_PIPE_PLANE_MASK | WM0_PIPE_CURSOR_MASK);
- reg_value |= (planeb_wm << WM0_PIPE_PLANE_SHIFT) |
- (cursorb_wm & WM0_PIPE_CURSOR_MASK);
- I915_WRITE(WM0_PIPEB_ILK, reg_value);
- DRM_DEBUG_KMS("FIFO watermarks For pipe B - plane %d, "
- "cursor: %d\n", planeb_wm, cursorb_wm);
+ if (ironlake_compute_wm0(dev, 1, &plane_wm, &cursor_wm)) {
+ I915_WRITE(WM0_PIPEB_ILK,
+ (plane_wm << WM0_PIPE_PLANE_SHIFT) | cursor_wm);
+ DRM_DEBUG_KMS("FIFO watermarks For pipe B -"
+ " plane %d, cursor: %d\n",
+ plane_wm, cursor_wm);
+ enabled++;
}
/*
* Calculate and update the self-refresh watermark only when one
* display plane is used.
*/
- if (!planea_clock || !planeb_clock) {
-
+ tmp = 0;
+ if (enabled == 1 && /* XXX disabled due to buggy implmentation? */ 0) {
+ unsigned long line_time_us;
+ int small, large, plane_fbc;
+ int sr_clock, entries;
+ int line_count, line_size;
/* Read the self-refresh latency. The unit is 0.5us */
int ilk_sr_latency = I915_READ(MLTR_ILK) & ILK_SRLT_MASK;
sr_clock = planea_clock ? planea_clock : planeb_clock;
- line_time_us = ((sr_htotal * 1000) / sr_clock);
+ line_time_us = (sr_htotal * 1000) / sr_clock;
/* Use ns/us then divide to preserve precision */
line_count = ((ilk_sr_latency * 500) / line_time_us + 1000)
- / 1000;
+ / 1000;
+ line_size = sr_hdisplay * pixel_size;
- /* calculate the self-refresh watermark for display plane */
- entries_required = line_count * sr_hdisplay * pixel_size;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_display_srwm_info.cacheline_size);
- sr_wm = entries_required +
- ironlake_display_srwm_info.guard_size;
+ /* Use the minimum of the small and large buffer method for primary */
+ small = ((sr_clock * pixel_size / 1000) * (ilk_sr_latency * 500)) / 1000;
+ large = line_count * line_size;
- /* calculate the self-refresh watermark for display cursor */
- entries_required = line_count * pixel_size * 64;
- entries_required = DIV_ROUND_UP(entries_required,
- ironlake_cursor_srwm_info.cacheline_size);
- cursor_wm = entries_required +
- ironlake_cursor_srwm_info.guard_size;
+ entries = DIV_ROUND_UP(min(small, large),
+ ironlake_display_srwm_info.cacheline_size);
- /* configure watermark and enable self-refresh */
- reg_value = I915_READ(WM1_LP_ILK);
- reg_value &= ~(WM1_LP_LATENCY_MASK | WM1_LP_SR_MASK |
- WM1_LP_CURSOR_MASK);
- reg_value |= (ilk_sr_latency << WM1_LP_LATENCY_SHIFT) |
- (sr_wm << WM1_LP_SR_SHIFT) | cursor_wm;
+ plane_fbc = entries * 64;
+ plane_fbc = DIV_ROUND_UP(plane_fbc, line_size);
- I915_WRITE(WM1_LP_ILK, reg_value);
- DRM_DEBUG_KMS("self-refresh watermark: display plane %d "
- "cursor %d\n", sr_wm, cursor_wm);
+ plane_wm = entries + ironlake_display_srwm_info.guard_size;
+ if (plane_wm > (int)ironlake_display_srwm_info.max_wm)
+ plane_wm = ironlake_display_srwm_info.max_wm;
- } else {
- /* Turn off self refresh if both pipes are enabled */
- I915_WRITE(WM1_LP_ILK, I915_READ(WM1_LP_ILK) & ~WM1_LP_SR_EN);
- }
+ /* calculate the self-refresh watermark for display cursor */
+ entries = line_count * pixel_size * 64;
+ entries = DIV_ROUND_UP(entries,
+ ironlake_cursor_srwm_info.cacheline_size);
+
+ cursor_wm = entries + ironlake_cursor_srwm_info.guard_size;
+ if (cursor_wm > (int)ironlake_cursor_srwm_info.max_wm)
+ cursor_wm = ironlake_cursor_srwm_info.max_wm;
+
+ /* configure watermark and enable self-refresh */
+ tmp = (WM1_LP_SR_EN |
+ (ilk_sr_latency << WM1_LP_LATENCY_SHIFT) |
+ (plane_fbc << WM1_LP_FBC_SHIFT) |
+ (plane_wm << WM1_LP_SR_SHIFT) |
+ cursor_wm);
+ DRM_DEBUG_KMS("self-refresh watermark: display plane %d, fbc lines %d,"
+ " cursor %d\n", plane_wm, plane_fbc, cursor_wm);
+ }
+ I915_WRITE(WM1_LP_ILK, tmp);
+ /* XXX setup WM2 and WM3 */
}
+
/**
* intel_update_watermarks - update FIFO watermark values based on current modes
*
*
* We don't use the sprite, so we can ignore that. And on Crestline we have
* to set the non-SR watermarks to 8.
- */
+ */
static void intel_update_watermarks(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
/* Get the clock config from both planes */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- if (intel_crtc->dpms_mode == DRM_MODE_DPMS_ON) {
+ if (intel_crtc->active) {
enabled++;
if (intel_crtc->plane == 0) {
DRM_DEBUG_KMS("plane A (pipe %d) clock: %d\n",
- intel_crtc->pipe, crtc->mode.clock);
+ intel_crtc->pipe, crtc->mode.clock);
planea_clock = crtc->mode.clock;
} else {
DRM_DEBUG_KMS("plane B (pipe %d) clock: %d\n",
- intel_crtc->pipe, crtc->mode.clock);
+ intel_crtc->pipe, crtc->mode.clock);
planeb_clock = crtc->mode.clock;
}
sr_hdisplay = crtc->mode.hdisplay;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
- int fp_reg = (pipe == 0) ? FPA0 : FPB0;
- int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
- int dpll_md_reg = (intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD;
- int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
- int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
- int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
- int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
- int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
- int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
- int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
- int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
- int dspsize_reg = (plane == 0) ? DSPASIZE : DSPBSIZE;
- int dsppos_reg = (plane == 0) ? DSPAPOS : DSPBPOS;
- int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
+ u32 fp_reg, dpll_reg;
int refclk, num_connectors = 0;
intel_clock_t clock, reduced_clock;
- u32 dpll = 0, fp = 0, fp2 = 0, dspcntr, pipeconf;
+ u32 dpll, fp = 0, fp2 = 0, dspcntr, pipeconf;
bool ok, has_reduced_clock = false, is_sdvo = false, is_dvo = false;
bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
struct intel_encoder *has_edp_encoder = NULL;
struct drm_mode_config *mode_config = &dev->mode_config;
- struct drm_encoder *encoder;
+ struct intel_encoder *encoder;
const intel_limit_t *limit;
int ret;
struct fdi_m_n m_n = {0};
- int data_m1_reg = (pipe == 0) ? PIPEA_DATA_M1 : PIPEB_DATA_M1;
- int data_n1_reg = (pipe == 0) ? PIPEA_DATA_N1 : PIPEB_DATA_N1;
- int link_m1_reg = (pipe == 0) ? PIPEA_LINK_M1 : PIPEB_LINK_M1;
- int link_n1_reg = (pipe == 0) ? PIPEA_LINK_N1 : PIPEB_LINK_N1;
- int pch_fp_reg = (pipe == 0) ? PCH_FPA0 : PCH_FPB0;
- int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
- int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
- int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
- int trans_dpll_sel = (pipe == 0) ? 0 : 1;
- int lvds_reg = LVDS;
- u32 temp;
- int sdvo_pixel_multiply;
+ u32 reg, temp;
int target_clock;
drm_vblank_pre_modeset(dev, pipe);
- list_for_each_entry(encoder, &mode_config->encoder_list, head) {
- struct intel_encoder *intel_encoder;
-
- if (encoder->crtc != crtc)
+ list_for_each_entry(encoder, &mode_config->encoder_list, base.head) {
+ if (encoder->base.crtc != crtc)
continue;
- intel_encoder = enc_to_intel_encoder(encoder);
- switch (intel_encoder->type) {
+ switch (encoder->type) {
case INTEL_OUTPUT_LVDS:
is_lvds = true;
break;
case INTEL_OUTPUT_SDVO:
case INTEL_OUTPUT_HDMI:
is_sdvo = true;
- if (intel_encoder->needs_tv_clock)
+ if (encoder->needs_tv_clock)
is_tv = true;
break;
case INTEL_OUTPUT_DVO:
is_dp = true;
break;
case INTEL_OUTPUT_EDP:
- has_edp_encoder = intel_encoder;
+ has_edp_encoder = encoder;
break;
}
if (is_lvds && dev_priv->lvds_use_ssc && num_connectors < 2) {
refclk = dev_priv->lvds_ssc_freq * 1000;
DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
- refclk / 1000);
+ refclk / 1000);
} else if (IS_I9XX(dev)) {
refclk = 96000;
if (HAS_PCH_SPLIT(dev))
} else {
refclk = 48000;
}
-
/*
* Returns a set of divisors for the desired target clock with the given
}
/* Ensure that the cursor is valid for the new mode before changing... */
- intel_crtc_update_cursor(crtc);
+ intel_crtc_update_cursor(crtc, true);
if (is_lvds && dev_priv->lvds_downclock_avail) {
has_reduced_clock = limit->find_pll(limit, crtc,
- dev_priv->lvds_downclock,
- refclk,
- &reduced_clock);
+ dev_priv->lvds_downclock,
+ refclk,
+ &reduced_clock);
if (has_reduced_clock && (clock.p != reduced_clock.p)) {
/*
* If the different P is found, it means that we can't
* feature.
*/
DRM_DEBUG_KMS("Different P is found for "
- "LVDS clock/downclock\n");
+ "LVDS clock/downclock\n");
has_reduced_clock = 0;
}
}
this mirrors vbios setting. */
if (is_sdvo && is_tv) {
if (adjusted_mode->clock >= 100000
- && adjusted_mode->clock < 140500) {
+ && adjusted_mode->clock < 140500) {
clock.p1 = 2;
clock.p2 = 10;
clock.n = 3;
clock.m1 = 16;
clock.m2 = 8;
} else if (adjusted_mode->clock >= 140500
- && adjusted_mode->clock <= 200000) {
+ && adjusted_mode->clock <= 200000) {
clock.p1 = 1;
clock.p2 = 10;
clock.n = 6;
target_clock = mode->clock;
else
target_clock = adjusted_mode->clock;
- link_bw = 270000;
+
+ /* FDI is a binary signal running at ~2.7GHz, encoding
+ * each output octet as 10 bits. The actual frequency
+ * is stored as a divider into a 100MHz clock, and the
+ * mode pixel clock is stored in units of 1KHz.
+ * Hence the bw of each lane in terms of the mode signal
+ * is:
+ */
+ link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10;
}
/* determine panel color depth */
- temp = I915_READ(pipeconf_reg);
+ temp = I915_READ(PIPECONF(pipe));
temp &= ~PIPE_BPC_MASK;
if (is_lvds) {
- int lvds_reg = I915_READ(PCH_LVDS);
/* the BPC will be 6 if it is 18-bit LVDS panel */
- if ((lvds_reg & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP)
+ if ((I915_READ(PCH_LVDS) & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP)
temp |= PIPE_8BPC;
else
temp |= PIPE_6BPC;
}
} else
temp |= PIPE_8BPC;
- I915_WRITE(pipeconf_reg, temp);
- I915_READ(pipeconf_reg);
+ I915_WRITE(PIPECONF(pipe), temp);
switch (temp & PIPE_BPC_MASK) {
case PIPE_8BPC:
/* Always enable nonspread source */
temp &= ~DREF_NONSPREAD_SOURCE_MASK;
temp |= DREF_NONSPREAD_SOURCE_ENABLE;
- I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
-
temp &= ~DREF_SSC_SOURCE_MASK;
temp |= DREF_SSC_SOURCE_ENABLE;
I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
+ POSTING_READ(PCH_DREF_CONTROL);
udelay(200);
if (has_edp_encoder) {
if (dev_priv->lvds_use_ssc) {
temp |= DREF_SSC1_ENABLE;
I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
+ POSTING_READ(PCH_DREF_CONTROL);
udelay(200);
temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD;
- I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
} else {
temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD;
- I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
}
+ I915_WRITE(PCH_DREF_CONTROL, temp);
}
}
reduced_clock.m2;
}
+ dpll = 0;
if (!HAS_PCH_SPLIT(dev))
dpll = DPLL_VGA_MODE_DIS;
else
dpll |= DPLLB_MODE_DAC_SERIAL;
if (is_sdvo) {
+ int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
+ if (pixel_multiplier > 1) {
+ if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
+ dpll |= (pixel_multiplier - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
+ else if (HAS_PCH_SPLIT(dev))
+ dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
+ }
dpll |= DPLL_DVO_HIGH_SPEED;
- sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
- dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
- else if (HAS_PCH_SPLIT(dev))
- dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
}
if (is_dp)
dpll |= DPLL_DVO_HIGH_SPEED;
dpll |= PLL_REF_INPUT_DREFCLK;
/* setup pipeconf */
- pipeconf = I915_READ(pipeconf_reg);
+ pipeconf = I915_READ(PIPECONF(pipe));
/* Set up the display plane register */
dspcntr = DISPPLANE_GAMMA_ENABLE;
*/
if (mode->clock >
dev_priv->display.get_display_clock_speed(dev) * 9 / 10)
- pipeconf |= PIPEACONF_DOUBLE_WIDE;
+ pipeconf |= PIPECONF_DOUBLE_WIDE;
else
- pipeconf &= ~PIPEACONF_DOUBLE_WIDE;
+ pipeconf &= ~PIPECONF_DOUBLE_WIDE;
}
dspcntr |= DISPLAY_PLANE_ENABLE;
- pipeconf |= PIPEACONF_ENABLE;
+ pipeconf |= PIPECONF_ENABLE;
dpll |= DPLL_VCO_ENABLE;
-
- /* Disable the panel fitter if it was on our pipe */
- if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
- I915_WRITE(PFIT_CONTROL, 0);
-
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
/* assign to Ironlake registers */
if (HAS_PCH_SPLIT(dev)) {
- fp_reg = pch_fp_reg;
- dpll_reg = pch_dpll_reg;
+ fp_reg = PCH_FP0(pipe);
+ dpll_reg = PCH_DPLL(pipe);
+ } else {
+ fp_reg = FP0(pipe);
+ dpll_reg = DPLL(pipe);
}
if (!has_edp_encoder) {
I915_WRITE(fp_reg, fp);
I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
- I915_READ(dpll_reg);
+
+ POSTING_READ(dpll_reg);
udelay(150);
}
/* enable transcoder DPLL */
if (HAS_PCH_CPT(dev)) {
temp = I915_READ(PCH_DPLL_SEL);
- if (trans_dpll_sel == 0)
- temp |= (TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL);
+ if (pipe == 0)
+ temp |= TRANSA_DPLL_ENABLE | TRANSA_DPLLA_SEL;
else
- temp |= (TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL);
+ temp |= TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL;
I915_WRITE(PCH_DPLL_SEL, temp);
- I915_READ(PCH_DPLL_SEL);
- udelay(150);
- }
- if (HAS_PCH_SPLIT(dev)) {
- pipeconf &= ~PIPE_ENABLE_DITHER;
- pipeconf &= ~PIPE_DITHER_TYPE_MASK;
+ POSTING_READ(PCH_DPLL_SEL);
+ udelay(150);
}
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
* things on.
*/
if (is_lvds) {
- u32 lvds;
-
+ reg = LVDS;
if (HAS_PCH_SPLIT(dev))
- lvds_reg = PCH_LVDS;
+ reg = PCH_LVDS;
- lvds = I915_READ(lvds_reg);
- lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
+ temp = I915_READ(reg);
+ temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
if (pipe == 1) {
if (HAS_PCH_CPT(dev))
- lvds |= PORT_TRANS_B_SEL_CPT;
+ temp |= PORT_TRANS_B_SEL_CPT;
else
- lvds |= LVDS_PIPEB_SELECT;
+ temp |= LVDS_PIPEB_SELECT;
} else {
if (HAS_PCH_CPT(dev))
- lvds &= ~PORT_TRANS_SEL_MASK;
+ temp &= ~PORT_TRANS_SEL_MASK;
else
- lvds &= ~LVDS_PIPEB_SELECT;
+ temp &= ~LVDS_PIPEB_SELECT;
}
/* set the corresponsding LVDS_BORDER bit */
- lvds |= dev_priv->lvds_border_bits;
+ temp |= dev_priv->lvds_border_bits;
/* Set the B0-B3 data pairs corresponding to whether we're going to
* set the DPLLs for dual-channel mode or not.
*/
if (clock.p2 == 7)
- lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+ temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
else
- lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
+ temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
* appropriately here, but we need to look more thoroughly into how
* panels behave in the two modes.
*/
- /* set the dithering flag */
- if (IS_I965G(dev)) {
- if (dev_priv->lvds_dither) {
- if (HAS_PCH_SPLIT(dev)) {
- pipeconf |= PIPE_ENABLE_DITHER;
- pipeconf |= PIPE_DITHER_TYPE_ST01;
- } else
- lvds |= LVDS_ENABLE_DITHER;
- } else {
- if (!HAS_PCH_SPLIT(dev)) {
- lvds &= ~LVDS_ENABLE_DITHER;
- }
- }
+ /* set the dithering flag on non-PCH LVDS as needed */
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
+ if (dev_priv->lvds_dither)
+ temp |= LVDS_ENABLE_DITHER;
+ else
+ temp &= ~LVDS_ENABLE_DITHER;
+ }
+ I915_WRITE(reg, temp);
+ }
+
+ /* set the dithering flag and clear for anything other than a panel. */
+ if (HAS_PCH_SPLIT(dev)) {
+ pipeconf &= ~PIPECONF_DITHER_EN;
+ pipeconf &= ~PIPECONF_DITHER_TYPE_MASK;
+ if (dev_priv->lvds_dither && (is_lvds || has_edp_encoder)) {
+ pipeconf |= PIPECONF_DITHER_EN;
+ pipeconf |= PIPECONF_DITHER_TYPE_ST1;
}
- I915_WRITE(lvds_reg, lvds);
- I915_READ(lvds_reg);
}
+
if (is_dp)
intel_dp_set_m_n(crtc, mode, adjusted_mode);
else if (HAS_PCH_SPLIT(dev)) {
if (!has_edp_encoder) {
I915_WRITE(fp_reg, fp);
I915_WRITE(dpll_reg, dpll);
- I915_READ(dpll_reg);
+
/* Wait for the clocks to stabilize. */
+ POSTING_READ(dpll_reg);
udelay(150);
if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
+ temp = 0;
if (is_sdvo) {
- sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
- I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
- ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
- } else
- I915_WRITE(dpll_md_reg, 0);
+ temp = intel_mode_get_pixel_multiplier(adjusted_mode);
+ if (temp > 1)
+ temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
+ else
+ temp = 0;
+ }
+ I915_WRITE(DPLL_MD(pipe), temp);
} else {
/* write it again -- the BIOS does, after all */
I915_WRITE(dpll_reg, dpll);
}
- I915_READ(dpll_reg);
+
/* Wait for the clocks to stabilize. */
+ POSTING_READ(dpll_reg);
udelay(150);
}
+ intel_crtc->lowfreq_avail = false;
if (is_lvds && has_reduced_clock && i915_powersave) {
I915_WRITE(fp_reg + 4, fp2);
intel_crtc->lowfreq_avail = true;
}
} else {
I915_WRITE(fp_reg + 4, fp);
- intel_crtc->lowfreq_avail = false;
if (HAS_PIPE_CXSR(dev)) {
DRM_DEBUG_KMS("disabling CxSR downclocking\n");
pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK;
} else
pipeconf &= ~PIPECONF_INTERLACE_W_FIELD_INDICATION; /* progressive */
- I915_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
+ I915_WRITE(HTOTAL(pipe),
+ (adjusted_mode->crtc_hdisplay - 1) |
((adjusted_mode->crtc_htotal - 1) << 16));
- I915_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
+ I915_WRITE(HBLANK(pipe),
+ (adjusted_mode->crtc_hblank_start - 1) |
((adjusted_mode->crtc_hblank_end - 1) << 16));
- I915_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
+ I915_WRITE(HSYNC(pipe),
+ (adjusted_mode->crtc_hsync_start - 1) |
((adjusted_mode->crtc_hsync_end - 1) << 16));
- I915_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
+
+ I915_WRITE(VTOTAL(pipe),
+ (adjusted_mode->crtc_vdisplay - 1) |
((adjusted_mode->crtc_vtotal - 1) << 16));
- I915_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
+ I915_WRITE(VBLANK(pipe),
+ (adjusted_mode->crtc_vblank_start - 1) |
((adjusted_mode->crtc_vblank_end - 1) << 16));
- I915_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
+ I915_WRITE(VSYNC(pipe),
+ (adjusted_mode->crtc_vsync_start - 1) |
((adjusted_mode->crtc_vsync_end - 1) << 16));
- /* pipesrc and dspsize control the size that is scaled from, which should
- * always be the user's requested size.
+
+ /* pipesrc and dspsize control the size that is scaled from,
+ * which should always be the user's requested size.
*/
if (!HAS_PCH_SPLIT(dev)) {
- I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
- (mode->hdisplay - 1));
- I915_WRITE(dsppos_reg, 0);
+ I915_WRITE(DSPSIZE(plane),
+ ((mode->vdisplay - 1) << 16) |
+ (mode->hdisplay - 1));
+ I915_WRITE(DSPPOS(plane), 0);
}
- I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ I915_WRITE(PIPESRC(pipe),
+ ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
if (HAS_PCH_SPLIT(dev)) {
- I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
- I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
- I915_WRITE(link_m1_reg, m_n.link_m);
- I915_WRITE(link_n1_reg, m_n.link_n);
+ I915_WRITE(PIPE_DATA_M1(pipe), TU_SIZE(m_n.tu) | m_n.gmch_m);
+ I915_WRITE(PIPE_DATA_N1(pipe), m_n.gmch_n);
+ I915_WRITE(PIPE_LINK_M1(pipe), m_n.link_m);
+ I915_WRITE(PIPE_LINK_N1(pipe), m_n.link_n);
if (has_edp_encoder) {
ironlake_set_pll_edp(crtc, adjusted_mode->clock);
} else {
/* enable FDI RX PLL too */
- temp = I915_READ(fdi_rx_reg);
- I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
- I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
+
+ POSTING_READ(reg);
udelay(200);
/* enable FDI TX PLL too */
- temp = I915_READ(fdi_tx_reg);
- I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
- I915_READ(fdi_tx_reg);
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE);
/* enable FDI RX PCDCLK */
- temp = I915_READ(fdi_rx_reg);
- I915_WRITE(fdi_rx_reg, temp | FDI_SEL_PCDCLK);
- I915_READ(fdi_rx_reg);
+ reg = FDI_RX_CTL(pipe);
+ temp = I915_READ(reg);
+ I915_WRITE(reg, temp | FDI_PCDCLK);
+
+ POSTING_READ(reg);
udelay(200);
}
}
- I915_WRITE(pipeconf_reg, pipeconf);
- I915_READ(pipeconf_reg);
+ I915_WRITE(PIPECONF(pipe), pipeconf);
+ POSTING_READ(PIPECONF(pipe));
intel_wait_for_vblank(dev, pipe);
I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING);
}
- I915_WRITE(dspcntr_reg, dspcntr);
+ I915_WRITE(DSPCNTR(plane), dspcntr);
- /* Flush the plane changes */
ret = intel_pipe_set_base(crtc, x, y, old_fb);
intel_update_watermarks(dev);
}
/* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */
-static void intel_crtc_update_cursor(struct drm_crtc *crtc)
+static void intel_crtc_update_cursor(struct drm_crtc *crtc,
+ bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
pos = 0;
- if (intel_crtc->cursor_on && crtc->fb) {
+ if (on && crtc->enabled && crtc->fb) {
base = intel_crtc->cursor_addr;
if (x > (int) crtc->fb->width)
base = 0;
intel_crtc->cursor_width = width;
intel_crtc->cursor_height = height;
- intel_crtc_update_cursor(crtc);
+ intel_crtc_update_cursor(crtc, true);
return 0;
fail_unpin:
intel_crtc->cursor_x = x;
intel_crtc->cursor_y = y;
- intel_crtc_update_cursor(crtc);
+ intel_crtc_update_cursor(crtc, true);
return 0;
}
struct intel_crtc *intel_crtc;
struct drm_crtc *possible_crtc;
struct drm_crtc *supported_crtc =NULL;
- struct drm_encoder *encoder = &intel_encoder->enc;
+ struct drm_encoder *encoder = &intel_encoder->base;
struct drm_crtc *crtc = NULL;
struct drm_device *dev = encoder->dev;
struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
struct drm_connector *connector, int dpms_mode)
{
- struct drm_encoder *encoder = &intel_encoder->enc;
+ struct drm_encoder *encoder = &intel_encoder->base;
struct drm_device *dev = encoder->dev;
struct drm_crtc *crtc = encoder->crtc;
struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
queue_work(dev_priv->wq, &dev_priv->idle_work);
}
-static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule)
+static void intel_increase_pllclock(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
}
/* Schedule downclock */
- if (schedule)
- mod_timer(&intel_crtc->idle_timer, jiffies +
- msecs_to_jiffies(CRTC_IDLE_TIMEOUT));
+ mod_timer(&intel_crtc->idle_timer, jiffies +
+ msecs_to_jiffies(CRTC_IDLE_TIMEOUT));
}
static void intel_decrease_pllclock(struct drm_crtc *crtc)
I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
}
/* Non-busy -> busy, upclock */
- intel_increase_pllclock(crtc, true);
+ intel_increase_pllclock(crtc);
intel_crtc->busy = true;
} else {
/* Busy -> busy, put off timer */
static void intel_crtc_destroy(struct drm_crtc *crtc)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct intel_unpin_work *work;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ work = intel_crtc->unpin_work;
+ intel_crtc->unpin_work = NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ if (work) {
+ cancel_work_sync(&work->work);
+ kfree(work);
+ }
drm_crtc_cleanup(crtc);
+
kfree(intel_crtc);
}
struct intel_unpin_work *work;
unsigned long flags, offset;
int pipe = intel_crtc->pipe;
- u32 pf, pipesrc;
+ u32 was_dirty, pf, pipesrc;
int ret;
work = kzalloc(sizeof *work, GFP_KERNEL);
obj = intel_fb->obj;
mutex_lock(&dev->struct_mutex);
- ret = intel_pin_and_fence_fb_obj(dev, obj);
+ was_dirty = obj->write_domain & I915_GEM_GPU_DOMAINS;
+ ret = intel_pin_and_fence_fb_obj(dev, obj, true);
if (ret)
goto cleanup_work;
drm_gem_object_reference(obj);
crtc->fb = fb;
- ret = i915_gem_object_flush_write_domain(obj);
- if (ret)
- goto cleanup_objs;
ret = drm_vblank_get(dev, intel_crtc->pipe);
if (ret)
atomic_inc(&obj_priv->pending_flip);
work->pending_flip_obj = obj;
- if (IS_GEN3(dev) || IS_GEN2(dev)) {
- u32 flip_mask;
+ if (was_dirty || IS_GEN3(dev) || IS_GEN2(dev)) {
+ BEGIN_LP_RING(2);
+ if (IS_GEN3(dev) || IS_GEN2(dev)) {
+ u32 flip_mask;
- if (intel_crtc->plane)
- flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
- else
- flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
+ /* Can't queue multiple flips, so wait for the previous
+ * one to finish before executing the next.
+ */
- BEGIN_LP_RING(2);
- OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
- OUT_RING(0);
+ if (intel_crtc->plane)
+ flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
+ else
+ flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
+
+ OUT_RING(MI_WAIT_FOR_EVENT | flip_mask);
+ } else
+ OUT_RING(MI_NOOP);
+ OUT_RING(MI_FLUSH);
ADVANCE_LP_RING();
}
return ret;
}
-static const struct drm_crtc_helper_funcs intel_helper_funcs = {
+static struct drm_crtc_helper_funcs intel_helper_funcs = {
.dpms = intel_crtc_dpms,
.mode_fixup = intel_crtc_mode_fixup,
.mode_set = intel_crtc_mode_set,
.mode_set_base = intel_pipe_set_base,
.mode_set_base_atomic = intel_pipe_set_base_atomic,
- .prepare = intel_crtc_prepare,
- .commit = intel_crtc_commit,
.load_lut = intel_crtc_load_lut,
};
drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs);
drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
- intel_crtc->pipe = pipe;
- intel_crtc->plane = pipe;
for (i = 0; i < 256; i++) {
intel_crtc->lut_r[i] = i;
intel_crtc->lut_g[i] = i;
/* Swap pipes & planes for FBC on pre-965 */
intel_crtc->pipe = pipe;
intel_crtc->plane = pipe;
- if (IS_MOBILE(dev) && (IS_I9XX(dev) && !IS_I965G(dev))) {
+ if (IS_MOBILE(dev) && IS_GEN3(dev)) {
DRM_DEBUG_KMS("swapping pipes & planes for FBC\n");
- intel_crtc->plane = ((pipe == 0) ? 1 : 0);
+ intel_crtc->plane = !pipe;
}
BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
intel_crtc->cursor_addr = 0;
intel_crtc->dpms_mode = -1;
+ intel_crtc->active = true; /* force the pipe off on setup_init_config */
+
+ if (HAS_PCH_SPLIT(dev)) {
+ intel_helper_funcs.prepare = ironlake_crtc_prepare;
+ intel_helper_funcs.commit = ironlake_crtc_commit;
+ } else {
+ intel_helper_funcs.prepare = i9xx_crtc_prepare;
+ intel_helper_funcs.commit = i9xx_crtc_commit;
+ }
+
drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
intel_crtc->busy = false;
return 0;
}
-struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
-{
- struct drm_crtc *crtc = NULL;
-
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- if (intel_crtc->pipe == pipe)
- break;
- }
- return crtc;
-}
-
static int intel_encoder_clones(struct drm_device *dev, int type_mask)
{
+ struct intel_encoder *encoder;
int index_mask = 0;
- struct drm_encoder *encoder;
int entry = 0;
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
- if (type_mask & intel_encoder->clone_mask)
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) {
+ if (type_mask & encoder->clone_mask)
index_mask |= (1 << entry);
entry++;
}
+
return index_mask;
}
-
static void intel_setup_outputs(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct drm_encoder *encoder;
+ struct intel_encoder *encoder;
bool dpd_is_edp = false;
if (IS_MOBILE(dev) && !IS_I830(dev))
if (SUPPORTS_TV(dev))
intel_tv_init(dev);
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
- encoder->possible_crtcs = intel_encoder->crtc_mask;
- encoder->possible_clones = intel_encoder_clones(dev,
- intel_encoder->clone_mask);
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) {
+ encoder->base.possible_crtcs = encoder->crtc_mask;
+ encoder->base.possible_clones =
+ intel_encoder_clones(dev, encoder->clone_mask);
}
}
struct drm_mode_fb_cmd *mode_cmd,
struct drm_gem_object *obj)
{
+ struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
int ret;
+ if (obj_priv->tiling_mode == I915_TILING_Y)
+ return -EINVAL;
+
+ if (mode_cmd->pitch & 63)
+ return -EINVAL;
+
+ switch (mode_cmd->bpp) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ break;
+ default:
+ return -EINVAL;
+ }
+
ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs);
if (ret) {
DRM_ERROR("framebuffer init failed %d\n", ret);
u32 rgvmodectl = I915_READ(MEMMODECTL);
u8 fmax, fmin, fstart, vstart;
+ /* Enable temp reporting */
+ I915_WRITE16(PMMISC, I915_READ(PMMISC) | MCPPCE_EN);
+ I915_WRITE16(TSC1, I915_READ(TSC1) | TSE);
+
/* 100ms RC evaluation intervals */
I915_WRITE(RCUPEI, 100000);
I915_WRITE(RCDNEI, 100000);
rgvmodectl |= MEMMODE_SWMODE_EN;
I915_WRITE(MEMMODECTL, rgvmodectl);
- if (wait_for((I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) == 0, 1, 0))
+ if (wait_for((I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) == 0, 10))
DRM_ERROR("stuck trying to change perf mode\n");
msleep(1);
continue;
intel_crtc = to_intel_crtc(crtc);
- intel_increase_pllclock(crtc, false);
- del_timer_sync(&intel_crtc->idle_timer);
+ intel_increase_pllclock(crtc);
}
- del_timer_sync(&dev_priv->idle_timer);
-
if (dev_priv->display.disable_fbc)
dev_priv->display.disable_fbc(dev);
mutex_unlock(&dev->struct_mutex);
+ /* Disable the irq before mode object teardown, for the irq might
+ * enqueue unpin/hotplug work. */
+ drm_irq_uninstall(dev);
+ cancel_work_sync(&dev_priv->hotplug_work);
+
+ /* Shut off idle work before the crtcs get freed. */
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ intel_crtc = to_intel_crtc(crtc);
+ del_timer_sync(&intel_crtc->idle_timer);
+ }
+ del_timer_sync(&dev_priv->idle_timer);
+ cancel_work_sync(&dev_priv->idle_work);
+
drm_mode_config_cleanup(dev);
}
-
/*
* Return which encoder is currently attached for connector.
*/
-struct drm_encoder *intel_attached_encoder (struct drm_connector *connector)
+struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
{
- struct drm_mode_object *obj;
- struct drm_encoder *encoder;
- int i;
-
- for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
- if (connector->encoder_ids[i] == 0)
- break;
-
- obj = drm_mode_object_find(connector->dev,
- connector->encoder_ids[i],
- DRM_MODE_OBJECT_ENCODER);
- if (!obj)
- continue;
+ return &intel_attached_encoder(connector)->base;
+}
- encoder = obj_to_encoder(obj);
- return encoder;
- }
- return NULL;
+void intel_connector_attach_encoder(struct intel_connector *connector,
+ struct intel_encoder *encoder)
+{
+ connector->encoder = encoder;
+ drm_mode_connector_attach_encoder(&connector->base,
+ &encoder->base);
}
/*
git.openpandora.org / pandora-kernel.git / blobdiff