diff options
| author | Ben Widawsky <benjamin.widawsky@intel.com> | 2013-12-12 15:28:04 -0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-12-13 17:55:54 +0100 |
| commit | ab57fff1302c485d74992d34df24ccb5efda244e (patch) | |
| tree | 52dcadb2d631f37037f01426bd08680ac11c4323 | |
| parent | 63801f211c6eeb6def635ceee39d165e00fd6e09 (diff) | |
drm/i915/bdw: Implement ff workarounds
WaVSRefCountFullforceMissDisable and
WaDSRefCountFullforceMissDisable
VS is a carry-over from HSW, and DS is likely not used by anyone yet.
Cc: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Line of 106 chars is too long. Really.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 12 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3259e83eb2c..f1eece4a63d 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1003,6 +1003,7 @@ #define GEN7_FF_THREAD_MODE 0x20a0 #define GEN7_FF_SCHED_MASK 0x0077070 +#define GEN8_FF_DS_REF_CNT_FFME (1 << 19) #define GEN7_FF_TS_SCHED_HS1 (0x5<<16) #define GEN7_FF_TS_SCHED_HS0 (0x3<<16) #define GEN7_FF_TS_SCHED_LOAD_BALANCE (0x1<<16) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 791fbe386b7..b35f65ed6c5 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5256,14 +5256,14 @@ static void gen8_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_HALF_SLICE_CHICKEN1, _MASKED_BIT_ENABLE(GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE)); - /* WaSwitchSolVfFArbitrationPriority */ + /* WaSwitchSolVfFArbitrationPriority:bdw */ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL); - /* WaPsrDPAMaskVBlankInSRD */ + /* WaPsrDPAMaskVBlankInSRD:bdw */ I915_WRITE(CHICKEN_PAR1_1, I915_READ(CHICKEN_PAR1_1) | DPA_MASK_VBLANK_SRD); - /* WaPsrDPRSUnmaskVBlankInSRD */ + /* WaPsrDPRSUnmaskVBlankInSRD:bdw */ for_each_pipe(i) { I915_WRITE(CHICKEN_PIPESL_1(i), I915_READ(CHICKEN_PIPESL_1(i) | @@ -5277,6 +5277,12 @@ static void gen8_init_clock_gating(struct drm_device *dev) I915_WRITE(HDC_CHICKEN0, I915_READ(HDC_CHICKEN0) | _MASKED_BIT_ENABLE(HDC_FORCE_NON_COHERENT)); + + /* WaVSRefCountFullforceMissDisable:bdw */ + /* WaDSRefCountFullforceMissDisable:bdw */ + I915_WRITE(GEN7_FF_THREAD_MODE, + I915_READ(GEN7_FF_THREAD_MODE) & + ~(GEN8_FF_DS_REF_CNT_FFME | GEN7_FF_VS_REF_CNT_FFME)); } static void haswell_init_clock_gating(struct drm_device *dev) |