diff options
| author | Ben Widawsky <benjamin.widawsky@intel.com> | 2013-10-24 09:59:12 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-10-27 16:04:42 +0100 |
| commit | 8c7b72f20b5d197bf70e93e87046def20eaa3f36 (patch) | |
| tree | b8f66aa02794396fe430d2fd770908c55acc0079 | |
| parent | a74b0c481589762f28f35a26b2c77126f38de652 (diff) | |
| download | op-kernel-dev-8c7b72f20b5d197bf70e93e87046def20eaa3f36.zip op-kernel-dev-8c7b72f20b5d197bf70e93e87046def20eaa3f36.tar.gz | |
drm/i915: Remove WaFbcDisableDpfcClockGating on HSW
Production HSW does not need it. I confirmed this with Art.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 10 |
2 files changed, 0 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e4fef04..47de41f 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1106,9 +1106,6 @@ _HSW_PIPE_SLICE_CHICKEN_1_A, + \ _HSW_PIPE_SLICE_CHICKEN_1_B) -#define HSW_CLKGATE_DISABLE_PART_1 0x46500 -#define HSW_DPFC_GATING_DISABLE (1<<23) - /* * GPIO regs */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index c325a57..03b5a01 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -254,12 +254,6 @@ static void ironlake_disable_fbc(struct drm_device *dev) dpfc_ctl &= ~DPFC_CTL_EN; I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl); - if (IS_HASWELL(dev)) - /* WaFbcDisableDpfcClockGating:hsw */ - I915_WRITE(HSW_CLKGATE_DISABLE_PART_1, - I915_READ(HSW_CLKGATE_DISABLE_PART_1) & - ~HSW_DPFC_GATING_DISABLE); - DRM_DEBUG_KMS("disabled FBC\n"); } } @@ -293,10 +287,6 @@ static void gen7_enable_fbc(struct drm_crtc *crtc, unsigned long interval) /* WaFbcAsynchFlipDisableFbcQueue:hsw */ I915_WRITE(HSW_PIPE_SLICE_CHICKEN_1(intel_crtc->pipe), HSW_BYPASS_FBC_QUEUE); - /* WaFbcDisableDpfcClockGating:hsw */ - I915_WRITE(HSW_CLKGATE_DISABLE_PART_1, - I915_READ(HSW_CLKGATE_DISABLE_PART_1) | - HSW_DPFC_GATING_DISABLE); } I915_WRITE(SNB_DPFC_CTL_SA, |
