#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/module.h>
-#include "drmP.h"
-#include "drm_edid.h"
+#include <drm/drmP.h>
+#include <drm/drm_edid.h>
#include "drm_edid_modes.h"
#define version_greater(edid, maj, min) \
* \param adapter : i2c device adaptor
* \return 1 on success
*/
- static bool
+ bool
drm_probe_ddc(struct i2c_adapter *adapter)
{
unsigned char out;
return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
}
+ EXPORT_SYMBOL(drm_probe_ddc);
/**
* drm_get_edid - get EDID data, if available
*
*/
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
+#include <drm/drmP.h>
+#include <drm/i915_drm.h>
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_drv.h"
case 0:
case -ERESTARTSYS:
case -EINTR:
+ case -EBUSY:
+ /*
+ * EBUSY is ok: this just means that another thread
+ * already did the job.
+ */
return VM_FAULT_NOPAGE;
case -ENOMEM:
return VM_FAULT_OOM;
default:
+ WARN_ON_ONCE(ret);
return VM_FAULT_SIGBUS;
}
}
enum i915_cache_level level;
int ret;
- ret = i915_mutex_lock_interruptible(dev);
- if (ret)
- return ret;
-
switch (args->caching) {
case I915_CACHING_NONE:
level = I915_CACHE_NONE;
return -EINVAL;
}
+ ret = i915_mutex_lock_interruptible(dev);
+ if (ret)
+ return ret;
+
obj = to_intel_bo(drm_gem_object_lookup(dev, file, args->handle));
if (&obj->base == NULL) {
ret = -ENOENT;
*
*/
-#include "drmP.h"
-#include "i915_drm.h"
+#include <drm/drmP.h>
+#include <drm/i915_drm.h>
#include "i915_drv.h"
/* This is a HW constraint. The value below is the largest known requirement
* itlb_before_ctx_switch.
*/
if (IS_GEN6(ring->dev) && ring->itlb_before_ctx_switch) {
- ret = ring->flush(ring, 0, 0);
+ ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, 0);
if (ret)
return ret;
}
*
*/
-#include "linux/string.h"
-#include "linux/bitops.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
+#include <linux/string.h>
+#include <linux/bitops.h>
+#include <drm/drmP.h>
+#include <drm/i915_drm.h>
#include "i915_drv.h"
/** @file i915_gem_tiling.c
uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
- if (INTEL_INFO(dev)->gen >= 6) {
+ if (IS_VALLEYVIEW(dev)) {
+ swizzle_x = I915_BIT_6_SWIZZLE_NONE;
+ swizzle_y = I915_BIT_6_SWIZZLE_NONE;
+ } else if (INTEL_INFO(dev)->gen >= 6) {
uint32_t dimm_c0, dimm_c1;
dimm_c0 = I915_READ(MAD_DIMM_C0);
dimm_c1 = I915_READ(MAD_DIMM_C1);
#include <linux/sysrq.h>
#include <linux/slab.h>
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
+#include <drm/drmP.h>
+#include <drm/i915_drm.h>
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_drv.h"
intel_opregion_gse_intr(dev);
for (i = 0; i < 3; i++) {
+ if (de_iir & (DE_PIPEA_VBLANK_IVB << (5 * i)))
+ drm_handle_vblank(dev, i);
if (de_iir & (DE_PLANEA_FLIP_DONE_IVB << (5 * i))) {
intel_prepare_page_flip(dev, i);
intel_finish_page_flip_plane(dev, i);
}
- if (de_iir & (DE_PIPEA_VBLANK_IVB << (5 * i)))
- drm_handle_vblank(dev, i);
}
/* check event from PCH */
if (de_iir & DE_GSE)
intel_opregion_gse_intr(dev);
+ if (de_iir & DE_PIPEA_VBLANK)
+ drm_handle_vblank(dev, 0);
+
+ if (de_iir & DE_PIPEB_VBLANK)
+ drm_handle_vblank(dev, 1);
+
if (de_iir & DE_PLANEA_FLIP_DONE) {
intel_prepare_page_flip(dev, 0);
intel_finish_page_flip_plane(dev, 0);
intel_finish_page_flip_plane(dev, 1);
}
- if (de_iir & DE_PIPEA_VBLANK)
- drm_handle_vblank(dev, 0);
-
- if (de_iir & DE_PIPEB_VBLANK)
- drm_handle_vblank(dev, 1);
-
/* check event from PCH */
if (de_iir & DE_PCH_EVENT) {
if (pch_iir & hotplug_mask)
#include <linux/slab.h>
#include <linux/vgaarb.h>
#include <drm/drm_edid.h>
-#include "drmP.h"
+#include <drm/drmP.h>
#include "intel_drv.h"
-#include "i915_drm.h"
+#include <drm/i915_drm.h>
#include "i915_drv.h"
#include "i915_trace.h"
-#include "drm_dp_helper.h"
-#include "drm_crtc_helper.h"
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_crtc_helper.h>
#include <linux/dma_remapping.h>
#define HAS_eDP (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))
udelay(100);
}
+ static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
+ {
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ unsigned long flags;
+ bool pending;
+
+ if (atomic_read(&dev_priv->mm.wedged))
+ return false;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ pending = to_intel_crtc(crtc)->unpin_work != NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+
+ return pending;
+ }
+
static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
if (crtc->fb == NULL)
return;
+ wait_event(dev_priv->pending_flip_queue,
+ !intel_crtc_has_pending_flip(crtc));
+
mutex_lock(&dev->struct_mutex);
intel_finish_fb(crtc->fb);
mutex_unlock(&dev->struct_mutex);
/* default to 8bpc */
pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN);
if (is_dp) {
- if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+ if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
pipeconf |= PIPECONF_BPP_6 |
PIPECONF_DITHER_EN |
PIPECONF_DITHER_TYPE_SP;
target_clock = adjusted_mode->clock;
/* determine panel color depth */
- dither = intel_choose_pipe_bpp_dither(crtc, fb, &pipe_bpp, mode);
+ dither = intel_choose_pipe_bpp_dither(crtc, fb, &pipe_bpp,
+ adjusted_mode);
if (is_lvds && dev_priv->lvds_dither)
dither = true;
struct intel_unpin_work *work;
struct drm_i915_gem_object *obj;
struct drm_pending_vblank_event *e;
- struct timeval tnow, tvbl;
+ struct timeval tvbl;
unsigned long flags;
/* Ignore early vblank irqs */
if (intel_crtc == NULL)
return;
- do_gettimeofday(&tnow);
-
spin_lock_irqsave(&dev->event_lock, flags);
work = intel_crtc->unpin_work;
if (work == NULL || !work->pending) {
e = work->event;
e->event.sequence = drm_vblank_count_and_time(dev, intel_crtc->pipe, &tvbl);
- /* Called before vblank count and timestamps have
- * been updated for the vblank interval of flip
- * completion? Need to increment vblank count and
- * add one videorefresh duration to returned timestamp
- * to account for this. We assume this happened if we
- * get called over 0.9 frame durations after the last
- * timestamped vblank.
- *
- * This calculation can not be used with vrefresh rates
- * below 5Hz (10Hz to be on the safe side) without
- * promoting to 64 integers.
- */
- if (10 * (timeval_to_ns(&tnow) - timeval_to_ns(&tvbl)) >
- 9 * crtc->framedur_ns) {
- e->event.sequence++;
- tvbl = ns_to_timeval(timeval_to_ns(&tvbl) +
- crtc->framedur_ns);
- }
-
e->event.tv_sec = tvbl.tv_sec;
e->event.tv_usec = tvbl.tv_usec;
atomic_clear_mask(1 << intel_crtc->plane,
&obj->pending_flip.counter);
- if (atomic_read(&obj->pending_flip) == 0)
- wake_up(&dev_priv->pending_flip_queue);
+ wake_up(&dev_priv->pending_flip_queue);
schedule_work(&work->work);
trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj);
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/export.h>
-#include "drmP.h"
-#include "drm.h"
-#include "drm_crtc.h"
-#include "drm_crtc_helper.h"
-#include "drm_edid.h"
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_edid.h>
#include "intel_drv.h"
-#include "i915_drm.h"
+#include <drm/i915_drm.h>
#include "i915_drv.h"
+ #define DP_RECEIVER_CAP_SIZE 0xf
#define DP_LINK_STATUS_SIZE 6
#define DP_LINK_CHECK_TIMEOUT (10 * 1000)
if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
break;
if (i == intel_dp->lane_count && voltage_tries == 5) {
- ++loop_tries;
- if (loop_tries == 5) {
+ if (++loop_tries == 5) {
DRM_DEBUG_KMS("too many full retries, give up\n");
break;
}
}
/* Check to see if we've tried the same voltage 5 times */
- if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
- ++voltage_tries;
- if (voltage_tries == 5) {
- DRM_DEBUG_KMS("too many voltage retries, give up\n");
- break;
- }
- } else
+ if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) {
+ voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
voltage_tries = 0;
- voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
+ } else
+ ++voltage_tries;
/* Compute new intel_dp->train_set as requested by target */
intel_get_adjust_train(intel_dp, link_status);
intel_dp_get_dpcd(struct intel_dp *intel_dp)
{
if (intel_dp_aux_native_read_retry(intel_dp, 0x000, intel_dp->dpcd,
- sizeof(intel_dp->dpcd)) &&
- (intel_dp->dpcd[DP_DPCD_REV] != 0)) {
- return true;
- }
+ sizeof(intel_dp->dpcd)) == 0)
+ return false; /* aux transfer failed */
- return false;
+ if (intel_dp->dpcd[DP_DPCD_REV] == 0)
+ return false; /* DPCD not present */
+
+ if (!(intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
+ DP_DWN_STRM_PORT_PRESENT))
+ return true; /* native DP sink */
+
+ if (intel_dp->dpcd[DP_DPCD_REV] == 0x10)
+ return true; /* no per-port downstream info */
+
+ if (intel_dp_aux_native_read_retry(intel_dp, DP_DOWNSTREAM_PORT_0,
+ intel_dp->downstream_ports,
+ DP_MAX_DOWNSTREAM_PORTS) == 0)
+ return false; /* downstream port status fetch failed */
+
+ return true;
}
static void
}
}
+ /* XXX this is probably wrong for multiple downstream ports */
static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
- if (intel_dp_get_dpcd(intel_dp))
+ uint8_t *dpcd = intel_dp->dpcd;
+ bool hpd;
+ uint8_t type;
+
+ if (!intel_dp_get_dpcd(intel_dp))
+ return connector_status_disconnected;
+
+ /* if there's no downstream port, we're done */
+ if (!(dpcd[DP_DOWNSTREAMPORT_PRESENT] & DP_DWN_STRM_PORT_PRESENT))
return connector_status_connected;
+
+ /* If we're HPD-aware, SINK_COUNT changes dynamically */
+ hpd = !!(intel_dp->downstream_ports[0] & DP_DS_PORT_HPD);
+ if (hpd) {
+ uint8_t reg;
+ if (!intel_dp_aux_native_read_retry(intel_dp, DP_SINK_COUNT,
+ ®, 1))
+ return connector_status_unknown;
+ return DP_GET_SINK_COUNT(reg) ? connector_status_connected
+ : connector_status_disconnected;
+ }
+
+ /* If no HPD, poke DDC gently */
+ if (drm_probe_ddc(&intel_dp->adapter))
+ return connector_status_connected;
+
+ /* Well we tried, say unknown for unreliable port types */
+ type = intel_dp->downstream_ports[0] & DP_DS_PORT_TYPE_MASK;
+ if (type == DP_DS_PORT_TYPE_VGA || type == DP_DS_PORT_TYPE_NON_EDID)
+ return connector_status_unknown;
+
+ /* Anything else is out of spec, warn and ignore */
+ DRM_DEBUG_KMS("Broken DP branch device, ignoring\n");
return connector_status_disconnected;
}
#define __INTEL_DRV_H__
#include <linux/i2c.h>
-#include "i915_drm.h"
+#include <drm/i915_drm.h>
#include "i915_drv.h"
-#include "drm_crtc.h"
-#include "drm_crtc_helper.h"
-#include "drm_fb_helper.h"
-#include "drm_dp_helper.h"
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_dp_helper.h>
#define _wait_for(COND, MS, W) ({ \
unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
};
#define DP_RECEIVER_CAP_SIZE 0xf
+ #define DP_MAX_DOWNSTREAM_PORTS 0x10
#define DP_LINK_CONFIGURATION_SIZE 9
struct intel_dp {
uint8_t link_bw;
uint8_t lane_count;
uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
+ uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
struct i2c_adapter adapter;
struct i2c_algo_dp_aux_data algo;
bool is_pch_edp;
#include <linux/types.h>
#include <linux/idr.h>
#include <linux/fb.h>
+#include <drm/drm_mode.h>
#include <drm/drm_fourcc.h>
};
struct drm_framebuffer_funcs {
+ /* note: use drm_framebuffer_remove() */
void (*destroy)(struct drm_framebuffer *framebuffer);
int (*create_handle)(struct drm_framebuffer *fb,
struct drm_file *file_priv,
struct drm_framebuffer {
struct drm_device *dev;
+ /*
+ * Note that the fb is refcounted for the benefit of driver internals,
+ * for example some hw, disabling a CRTC/plane is asynchronous, and
+ * scanout does not actually complete until the next vblank. So some
+ * cleanup (like releasing the reference(s) on the backing GEM bo(s))
+ * should be deferred. In cases like this, the driver would like to
+ * hold a ref to the fb even though it has already been removed from
+ * userspace perspective.
+ */
+ struct kref refcount;
struct list_head head;
struct drm_mode_object base;
const struct drm_framebuffer_funcs *funcs;
* @enabled: is this CRTC enabled?
* @mode: current mode timings
* @hwmode: mode timings as programmed to hw regs
+ * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
+ * invert the width/height of the crtc. This is used if the driver
+ * is performing 90 or 270 degree rotated scanout
* @x: x position on screen
* @y: y position on screen
* @funcs: CRTC control functions
*/
struct drm_display_mode hwmode;
+ bool invert_dimensions;
+
int x, y;
const struct drm_crtc_funcs *funcs;
extern char *drm_get_tv_select_name(int val);
extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
+ extern bool drm_probe_ddc(struct i2c_adapter *adapter);
extern struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter);
extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
extern int drm_framebuffer_init(struct drm_device *dev,
struct drm_framebuffer *fb,
const struct drm_framebuffer_funcs *funcs);
+extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
+extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
+extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
git.openpandora.org / pandora-kernel.git / commitdiff