From: Ville Syrjälä <ville.syrj...@linux.intel.com>
The pipe might not start to actually run until the port has been enabled
(depends on the platform and port type). So don't try to wait for vblank
after we enabled the pipe but haven't yet enabled the port.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index fec618e..820c3a9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4316,7 +4316,6 @@ static void valleyview_modeset_global_resources(struct
drm_device *dev)
static void valleyview_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);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
@@ -4348,7 +4347,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
intel_update_watermarks(crtc);
intel_enable_pipe(intel_crtc);
- intel_wait_for_vblank(dev_priv->dev, pipe);
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
for_each_encoder_on_crtc(dev, crtc, encoder)
@@ -4362,7 +4360,6 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
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);
struct intel_encoder *encoder;
int pipe = intel_crtc->pipe;
@@ -4386,7 +4383,6 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
intel_update_watermarks(crtc);
intel_enable_pipe(intel_crtc);
- intel_wait_for_vblank(dev_priv->dev, pipe);
intel_set_cpu_fifo_underrun_reporting(dev, pipe, true);
for_each_encoder_on_crtc(dev, crtc, encoder)
--
1.8.3.2
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