Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3ae7a09..b363c5e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -140,6 +140,7 @@ #define GEN8_RING_PDP_LDW(ring, n) ((ring)->mmio_base+0x270 + (n) * 8) #define GAM_ECOCHK 0x4090 +#define BDW_DISABLE_HDC_INVALIDATION (1<<25) #define ECOCHK_SNB_BIT (1<<10) #define HSW_ECOCHK_ARB_PRIO_SOL (1<<6) #define ECOCHK_PPGTT_CACHE64B (0x3<<3) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f53ef11..8f9149b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -81,6 +81,12 @@ static void skl_init_clock_gating(struct drm_device *dev) GEN6_VFUNIT_CLOCK_GATE_DISABLE); } + if (INTEL_REVID(dev) <= SKL_REVID_D0) + /* WaDisableHDCInvalidation:skl */ + I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | + BDW_DISABLE_HDC_INVALIDATION); + + if (INTEL_REVID(dev) <= SKL_REVID_E0) /* WaDisableLSQCROPERFforOCL:skl */ I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | -- 1.8.3.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
