pipe_name(pipe));
}
-static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, enum pipe pipe,
- int reg, u32 port_sel, u32 val)
+static bool dp_pipe_enabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe, u32 port_sel, u32 val)
{
if ((val & DP_PORT_EN) == 0)
return false;
return true;
}
+static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe, u32 val)
+{
+ if ((val & PORT_ENABLE) == 0)
+ return false;
+
+ if (HAS_PCH_CPT(dev_priv->dev)) {
+ if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe))
+ return false;
+ } else {
+ if ((val & TRANSCODER_MASK) != TRANSCODER(pipe))
+ return false;
+ }
+ return true;
+}
+
+static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe, u32 val)
+{
+ if ((val & LVDS_PORT_EN) == 0)
+ return false;
+
+ if (HAS_PCH_CPT(dev_priv->dev)) {
+ if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe))
+ return false;
+ } else {
+ if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe))
+ return false;
+ }
+ return true;
+}
+
+static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv,
+ enum pipe pipe, u32 val)
+{
+ if ((val & ADPA_DAC_ENABLE) == 0)
+ return false;
+ if (HAS_PCH_CPT(dev_priv->dev)) {
+ if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe))
+ return false;
+ } else {
+ if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe))
+ return false;
+ }
+ return true;
+}
+
static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv,
enum pipe pipe, int reg, u32 port_sel)
{
u32 val = I915_READ(reg);
- WARN(dp_pipe_enabled(dev_priv, pipe, reg, port_sel, val),
+ WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val),
"PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
}
enum pipe pipe, int reg)
{
u32 val = I915_READ(reg);
- WARN(HDMI_PIPE_ENABLED(val, pipe),
+ WARN(hdmi_pipe_enabled(dev_priv, val, pipe),
"PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n",
reg, pipe_name(pipe));
}
reg = PCH_ADPA;
val = I915_READ(reg);
- WARN(ADPA_PIPE_ENABLED(val, pipe),
+ WARN(adpa_pipe_enabled(dev_priv, val, pipe),
"PCH VGA enabled on transcoder %c, should be disabled\n",
pipe_name(pipe));
reg = PCH_LVDS;
val = I915_READ(reg);
- WARN(LVDS_PIPE_ENABLED(val, pipe),
+ WARN(lvds_pipe_enabled(dev_priv, val, pipe),
"PCH LVDS enabled on transcoder %c, should be disabled\n",
pipe_name(pipe));
enum pipe pipe, int reg, u32 port_sel)
{
u32 val = I915_READ(reg);
- if (dp_pipe_enabled(dev_priv, pipe, reg, port_sel, val)) {
+ if (dp_pipe_enabled(dev_priv, pipe, port_sel, val)) {
DRM_DEBUG_KMS("Disabling pch dp %x on pipe %d\n", reg, pipe);
I915_WRITE(reg, val & ~DP_PORT_EN);
}
enum pipe pipe, int reg)
{
u32 val = I915_READ(reg);
- if (HDMI_PIPE_ENABLED(val, pipe)) {
+ if (hdmi_pipe_enabled(dev_priv, val, pipe)) {
DRM_DEBUG_KMS("Disabling pch HDMI %x on pipe %d\n",
reg, pipe);
I915_WRITE(reg, val & ~PORT_ENABLE);
reg = PCH_ADPA;
val = I915_READ(reg);
- if (ADPA_PIPE_ENABLED(val, pipe))
+ if (adpa_pipe_enabled(dev_priv, val, pipe))
I915_WRITE(reg, val & ~ADPA_DAC_ENABLE);
reg = PCH_LVDS;
val = I915_READ(reg);
- if (LVDS_PIPE_ENABLED(val, pipe)) {
+ if (lvds_pipe_enabled(dev_priv, val, pipe)) {
+ DRM_DEBUG_KMS("disable lvds on pipe %d val 0x%08x\n", pipe, val);
I915_WRITE(reg, val & ~LVDS_PORT_EN);
POSTING_READ(reg);
udelay(100);
return ret;
}
+static void ironlake_update_pch_refclk(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_crtc *crtc;
+ struct intel_encoder *encoder;
+ struct intel_encoder *has_edp_encoder = NULL;
+ u32 temp;
+ bool has_lvds = false;
+
+ /* We need to take the global config into account */
+ list_for_each_entry(crtc, &mode_config->crtc_list, head) {
+ if (!crtc->enabled)
+ continue;
+
+ list_for_each_entry(encoder, &mode_config->encoder_list,
+ base.head) {
+ if (encoder->base.crtc != crtc)
+ continue;
+
+ switch (encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ has_lvds = true;
+ case INTEL_OUTPUT_EDP:
+ has_edp_encoder = encoder;
+ break;
+ }
+ }
+ }
+
+ /* Ironlake: try to setup display ref clock before DPLL
+ * enabling. This is only under driver's control after
+ * PCH B stepping, previous chipset stepping should be
+ * ignoring this setting.
+ */
+ temp = I915_READ(PCH_DREF_CONTROL);
+ /* Always enable nonspread source */
+ temp &= ~DREF_NONSPREAD_SOURCE_MASK;
+ temp |= DREF_NONSPREAD_SOURCE_ENABLE;
+ temp &= ~DREF_SSC_SOURCE_MASK;
+ temp |= DREF_SSC_SOURCE_ENABLE;
+ I915_WRITE(PCH_DREF_CONTROL, temp);
+
+ POSTING_READ(PCH_DREF_CONTROL);
+ udelay(200);
+
+ if (has_edp_encoder) {
+ if (intel_panel_use_ssc(dev_priv)) {
+ temp |= DREF_SSC1_ENABLE;
+ I915_WRITE(PCH_DREF_CONTROL, temp);
+
+ POSTING_READ(PCH_DREF_CONTROL);
+ udelay(200);
+ }
+ temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
+
+ /* Enable CPU source on CPU attached eDP */
+ if (!intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
+ if (intel_panel_use_ssc(dev_priv))
+ temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD;
+ else
+ temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD;
+ } else {
+ /* Enable SSC on PCH eDP if needed */
+ if (intel_panel_use_ssc(dev_priv)) {
+ DRM_ERROR("enabling SSC on PCH\n");
+ temp |= DREF_SUPERSPREAD_SOURCE_ENABLE;
+ }
+ }
+ I915_WRITE(PCH_DREF_CONTROL, temp);
+ POSTING_READ(PCH_DREF_CONTROL);
+ udelay(200);
+ }
+}
+
static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
ironlake_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw,
&m_n);
- /* Ironlake: try to setup display ref clock before DPLL
- * enabling. This is only under driver's control after
- * PCH B stepping, previous chipset stepping should be
- * ignoring this setting.
- */
- temp = I915_READ(PCH_DREF_CONTROL);
- /* Always enable nonspread source */
- temp &= ~DREF_NONSPREAD_SOURCE_MASK;
- temp |= DREF_NONSPREAD_SOURCE_ENABLE;
- temp &= ~DREF_SSC_SOURCE_MASK;
- temp |= DREF_SSC_SOURCE_ENABLE;
- I915_WRITE(PCH_DREF_CONTROL, temp);
-
- POSTING_READ(PCH_DREF_CONTROL);
- udelay(200);
-
- if (has_edp_encoder) {
- if (intel_panel_use_ssc(dev_priv)) {
- temp |= DREF_SSC1_ENABLE;
- I915_WRITE(PCH_DREF_CONTROL, temp);
-
- POSTING_READ(PCH_DREF_CONTROL);
- udelay(200);
- }
- temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
-
- /* Enable CPU source on CPU attached eDP */
- if (!intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
- if (intel_panel_use_ssc(dev_priv))
- temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD;
- else
- temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD;
- } else {
- /* Enable SSC on PCH eDP if needed */
- if (intel_panel_use_ssc(dev_priv)) {
- DRM_ERROR("enabling SSC on PCH\n");
- temp |= DREF_SUPERSPREAD_SOURCE_ENABLE;
- }
- }
- I915_WRITE(PCH_DREF_CONTROL, temp);
- POSTING_READ(PCH_DREF_CONTROL);
- udelay(200);
- }
+ ironlake_update_pch_refclk(dev);
fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
if (has_reduced_clock)
git.openpandora.org / pandora-kernel.git / blobdiff