From: Damien Lespiau Date: Mon, 9 Feb 2015 19:33:16 +0000 (+0000) Subject: drm/i915/skl: Implement WaDisablePowerCompilerClockGating X-Git-Tag: Ubuntu-5.10.0-12.13~14930^2~33^2~50 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=d0bbbc4faf7bc1225ffd5d159fbe2c8dfef75333;p=mirror_ubuntu-hirsute-kernel.git drm/i915/skl: Implement WaDisablePowerCompilerClockGating Signed-off-by: Damien Lespiau Reviewed-by: Nick Hoath Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5814f67ae86d..f67e290b5475 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -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) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index e758c0592675..4570fe172b79 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -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; }