diff options
| author | Ville Syrjälä | 2014-04-09 12:28:36 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-05-20 15:19:38 +0200 |
| commit | acea6f9573904a9591244123afc769139bbd3fc6 (patch) | |
| tree | 9e9198c37006fc7ff3ba34d66ad1ecbe637a0052 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/chv: Implement WaVSRefCountFullforceMissDisable:chv and WaDSRefCount... (diff) | |
| download | kernel-qcow2-linux-acea6f9573904a9591244123afc769139bbd3fc6.tar.gz kernel-qcow2-linux-acea6f9573904a9591244123afc769139bbd3fc6.tar.xz kernel-qcow2-linux-acea6f9573904a9591244123afc769139bbd3fc6.zip | |
drm/i915/chv: Implement WaDisableSemaphoreAndSyncFlipWait:chv
BDW has the same requirement but the w/a database doens't list
this w/a for BDW. Seems to be another one of those "stick a bunch
of known workarounds into this bag and write something on the label"
type of things.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 7220c11e60b4..7bf23c04dcbe 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5389,6 +5389,10 @@ static void cherryview_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_FF_THREAD_MODE, I915_READ(GEN7_FF_THREAD_MODE) & ~(GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME)); + + /* WaDisableSemaphoreAndSyncFlipWait:chv */ + I915_WRITE(GEN6_RC_SLEEP_PSMI_CONTROL, + _MASKED_BIT_ENABLE(GEN8_RC_SEMA_IDLE_MSG_DISABLE)); } static void g4x_init_clock_gating(struct drm_device *dev) |