aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_display.c
diff options
context:
space:
mode:
authorWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-22 21:26:58 +0200
committerWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-22 21:26:58 +0200
commit786208aedd8f75b0720e36b2ca66b3a411417301 (patch)
treee6e902ab383ca94842c8691a9e28e1a6aefc5695 /drivers/gpu/drm/i915/intel_display.c
parentb99374450c03bf5081b88995d91d34fb9b2fd040 (diff)
downloadkernel_samsung_smdk4412-786208aedd8f75b0720e36b2ca66b3a411417301.zip
kernel_samsung_smdk4412-786208aedd8f75b0720e36b2ca66b3a411417301.tar.gz
kernel_samsung_smdk4412-786208aedd8f75b0720e36b2ca66b3a411417301.tar.bz2
merged 3.0.101 tag
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4502076..1e5790f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3287,6 +3287,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
int plane = intel_crtc->plane;
+ u32 pctl;
if (!intel_crtc->active)
return;
@@ -3302,6 +3303,13 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
intel_disable_plane(dev_priv, plane, pipe);
intel_disable_pipe(dev_priv, pipe);
+
+ /* Disable pannel fitter if it is on this pipe. */
+ pctl = I915_READ(PFIT_CONTROL);
+ if ((pctl & PFIT_ENABLE) &&
+ ((pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT) == pipe)
+ I915_WRITE(PFIT_CONTROL, 0);
+
intel_disable_pll(dev_priv, pipe);
intel_crtc->active = false;
@@ -7496,8 +7504,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_framebuffer *intel_fb;
- struct drm_i915_gem_object *obj;
+ struct drm_framebuffer *old_fb = crtc->fb;
+ struct drm_i915_gem_object *obj = to_intel_framebuffer(fb)->obj;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
struct intel_unpin_work *work;
unsigned long flags;
@@ -7509,8 +7517,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
work->event = event;
work->dev = crtc->dev;
- intel_fb = to_intel_framebuffer(crtc->fb);
- work->old_fb_obj = intel_fb->obj;
+ work->old_fb_obj = to_intel_framebuffer(old_fb)->obj;
INIT_WORK(&work->work, intel_unpin_work_fn);
ret = drm_vblank_get(dev, intel_crtc->pipe);
@@ -7530,9 +7537,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
intel_crtc->unpin_work = work;
spin_unlock_irqrestore(&dev->event_lock, flags);
- intel_fb = to_intel_framebuffer(fb);
- obj = intel_fb->obj;
-
mutex_lock(&dev->struct_mutex);
/* Reference the objects for the scheduled work. */
@@ -7563,6 +7567,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
cleanup_pending:
atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
+ crtc->fb = old_fb;
drm_gem_object_unreference(&work->old_fb_obj->base);
drm_gem_object_unreference(&obj->base);
mutex_unlock(&dev->struct_mutex);