On Wed, Feb 11, 2015 at 03:29:51PM +0000, Nick Hoath wrote:
> On 09/02/2015 19:33, Damien Lespiau wrote:
> >Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
> >---
> > drivers/gpu/drm/i915/i915_reg.h | 5 +++--
> > drivers/gpu/drm/i915/intel_ringbuffer.c | 8 ++++++++
> > 2 files changed, 11 insertions(+), 2 deletions(-)
> >
> >diff --git a/drivers/gpu/drm/i915/i915_reg.h
> >b/drivers/gpu/drm/i915/i915_reg.h
> >index a457c28..fdfbdb3 100644
> >--- a/drivers/gpu/drm/i915/i915_reg.h
> >+++ b/drivers/gpu/drm/i915/i915_reg.h
> >@@ -5241,8 +5241,9 @@ 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 27d101c..3135192 100644
> >--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> >+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> >@@ -930,8 +930,16 @@ 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)
>
> Should this be <= ?
Nop, both specs (SKL:GT2:B) and the wa db (SIWA_ONLY_SKL_B0) state
firmly B0 only.
--
Damien
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