diff options
| author | Nick Hoath <nicholas.hoath@intel.com> | 2015-04-10 13:12:25 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-05-08 13:03:40 +0200 |
| commit | 983b4b9def913991ef829ca635f1b3e7dd391c1b (patch) | |
| tree | 83e224482a7cee8d423daabbc1fd7278f836c73e /drivers/gpu/drm | |
| parent | abab6311a5784a94a35beda54d4b25312cfc77f3 (diff) | |
drm/i915/bxt: Add WaDisableSbeCacheDispatchPortSharing
Note that we also need this for skl.
Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Note that we also need this for skl, requested by Imre.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9447b27703f4..558d3dd5a039 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6738,6 +6738,7 @@ enum skl_disp_power_wells { #define GEN7_HALF_SLICE_CHICKEN1_GT2 0xf100 #define GEN7_MAX_PS_THREAD_DEP (8<<12) #define GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE (1<<10) +#define GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE (1<<4) #define GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE (1<<3) #define GEN9_HALF_SLICE_CHICKEN5 0xe188 diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 98424e29917c..b0bd9bb6676e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1050,6 +1050,13 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring) WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, STALL_DOP_GATING_DISABLE); + /* WaDisableSbeCacheDispatchPortSharing:bxt */ + if (INTEL_REVID(dev) <= BXT_REVID_B0) { + WA_SET_BIT_MASKED( + GEN7_HALF_SLICE_CHICKEN1, + GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE); + } + return 0; } |