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drm/i915/skl: Implement WaDisablePowerCompilerClockGating

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2015-02-09 19:33:16 +00:00 • committed by Daniel Vetter
commit d0bbbc4faf
2 changed files with 11 additions and 2 deletions
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5
drivers/gpu/drm/i915/i915_reg.h
View file

@ -5256,8 +5256,9 @@ enum skl_disp_power_wells {
#define COMMON_SLICE_CHICKEN2 0x7014
# define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE (1<<0)
#define HIZ_CHICKEN 0x7018
# define CHV_HZ_8X8_MODE_IN_1X (1<<15)
#define HIZ_CHICKEN 0x7018
# define CHV_HZ_8X8_MODE_IN_1X (1<<15)
# define BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE (1<<3)
#define GEN9_SLICE_COMMON_ECO_CHICKEN0 0x7308
#define DISABLE_PIXEL_MASK_CAMMING (1<<14)

8
drivers/gpu/drm/i915/intel_ringbuffer.c
View file

@ -1004,8 +1004,16 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
static int skl_init_workarounds(struct intel_engine_cs *ring)
{
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
gen9_init_workarounds(ring);
/* WaDisablePowerCompilerClockGating:skl */
if (INTEL_REVID(dev) == SKL_REVID_B0)
WA_SET_BIT_MASKED(HIZ_CHICKEN,
BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
return 0;
}