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authorDamien Lespiau <damien.lespiau@intel.com>2015-02-09 19:33:19 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-02-13 23:28:35 +0100
commit81e231afe7478f1bf14bbb17c26d6ebf054faece (patch)
tree34392d33f2e4668bc442c8d8c83bf82f269e94b8 /drivers/gpu/drm/i915/intel_pm.c
parentdrm/i915/skl: Implement WaDisableLSQCROPERFforOCL (diff)
downloadlinux-dev-81e231afe7478f1bf14bbb17c26d6ebf054faece.tar.xz
linux-dev-81e231afe7478f1bf14bbb17c26d6ebf054faece.zip
drm/i915/skl: Implement WaDisableHDCInvalidation
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>
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index d7750176091b..a2b9c3e213f9 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -66,6 +66,12 @@ static void skl_init_clock_gating(struct drm_device *dev)
GEN8_SDEUNIT_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) |