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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2016-05-17 15:07:48 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2016-05-19 14:37:08 +0200
commita2991414c4fc08800331a494c1098b798800526c (patch)
tree298774109fd775523eec907e0b0c6d26ba4d0c08 /drivers/gpu/drm/i915/intel_sprite.c
parentdrm/i915: Remove intel_prepare_page_flip, v3. (diff)
downloadlinux-dev-a2991414c4fc08800331a494c1098b798800526c.tar.xz
linux-dev-a2991414c4fc08800331a494c1098b798800526c.zip
drm/i915: Add support for detecting vblanks when hw frame counter is unavailable.
This uses the newly created drm_accurate_vblank_count_and_time to accurately get a vblank count when the hw counter is unavailable. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1463490484-19540-6-git-send-email-maarten.lankhorst@linux.intel.com Reviewed-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 57eef129c597..728b924ce82f 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -80,9 +80,7 @@ static int usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
*/
void intel_pipe_update_start(struct intel_crtc *crtc)
{
- struct drm_device *dev = crtc->base.dev;
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
- enum pipe pipe = crtc->pipe;
long timeout = msecs_to_jiffies_timeout(1);
int scanline, min, max, vblank_start;
wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
@@ -139,8 +137,7 @@ void intel_pipe_update_start(struct intel_crtc *crtc)
crtc->debug.scanline_start = scanline;
crtc->debug.start_vbl_time = ktime_get();
- crtc->debug.start_vbl_count =
- dev->driver->get_vblank_counter(dev, pipe);
+ crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc);
trace_i915_pipe_update_vblank_evaded(crtc);
}
@@ -156,10 +153,9 @@ void intel_pipe_update_start(struct intel_crtc *crtc)
*/
void intel_pipe_update_end(struct intel_crtc *crtc)
{
- struct drm_device *dev = crtc->base.dev;
enum pipe pipe = crtc->pipe;
int scanline_end = intel_get_crtc_scanline(crtc);
- u32 end_vbl_count = dev->driver->get_vblank_counter(dev, pipe);
+ u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
ktime_t end_vbl_time = ktime_get();
trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);