diff options
| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2014-09-19 21:05:26 +0400 | 
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-24 12:38:41 +0400 | 
| commit | d37cf5f7e1b315585940a735a8508d955ffc0f16 (patch) | |
| tree | 6fb2733cdfff7fc3201dae4537746b5107b09bb1 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | bda0381e72028708b37695bf7d5b18ec956cf0a2 (diff) | |
| download | linux-d37cf5f7e1b315585940a735a8508d955ffc0f16.tar.xz | |
drm/i915/bdw: Cleanup pre prod workarounds
as these have been fixed in production hw and hurt performance
if applied.
v2: adjust requested ring space (Ville)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83482
Tested-by: zhoujian <jianx.zhou@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-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_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 15 | 
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 25795f2efdcb..6dc981f0671e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -707,7 +707,7 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring)  	 * update the number of dwords required based on the  	 * actual number of workarounds applied  	 */ -	ret = intel_ring_begin(ring, 24); +	ret = intel_ring_begin(ring, 18);  	if (ret)  		return ret; @@ -722,19 +722,8 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring)  	intel_ring_emit_wa(ring, GEN7_ROW_CHICKEN2,  			   _MASKED_BIT_ENABLE(DOP_CLOCK_GATING_DISABLE)); -	/* -	 * This GEN8_CENTROID_PIXEL_OPT_DIS W/A is only needed for -	 * pre-production hardware -	 */  	intel_ring_emit_wa(ring, HALF_SLICE_CHICKEN3, -			   _MASKED_BIT_ENABLE(GEN8_CENTROID_PIXEL_OPT_DIS -					      | GEN8_SAMPLER_POWER_BYPASS_DIS)); - -	intel_ring_emit_wa(ring, GEN7_HALF_SLICE_CHICKEN1, -			   _MASKED_BIT_ENABLE(GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE)); - -	intel_ring_emit_wa(ring, COMMON_SLICE_CHICKEN2, -			   _MASKED_BIT_ENABLE(GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE)); +			   _MASKED_BIT_ENABLE(GEN8_SAMPLER_POWER_BYPASS_DIS));  	/* Use Force Non-Coherent whenever executing a 3D context. This is a  	 * workaround for for a possible hang in the unlikely event a TLB  | 
