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Commit b970b486 authored by Nick Hoath's avatar Nick Hoath Committed by Daniel Vetter
Browse files

drm/i915/gen9: Add WaDisableMinuteIaClockGating 



Signed-off-by: default avatarNick Hoath <nicholas.hoath@intel.com>
Signed-off-by: default avatarArun Siluvery <arun.siluvery@linux.intel.com>
Reviewed-by: default avatarSagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 5b88abac

drivers/gpu/drm/i915/intel_guc_loader.c

+7 −0
Original line number Diff line number Diff line
@@ -330,6 +330,13 @@ static int guc_ucode_xfer(struct drm_i915_private *dev_priv) 
	/* Enable MIA caching. GuC clock gating is disabled. */

	I915_WRITE(GUC_SHIM_CONTROL, GUC_SHIM_CONTROL_VALUE);



	/* WaDisableMinuteIaClockGating:skl,bxt */

	if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) ||

	    (IS_BROXTON(dev) && INTEL_REVID(dev) == BXT_REVID_A0)) {

		I915_WRITE(GUC_SHIM_CONTROL, (I915_READ(GUC_SHIM_CONTROL) &

					      ~GUC_ENABLE_MIA_CLOCK_GATING));

	}



	/* WaC6DisallowByGfxPause*/

	I915_WRITE(GEN6_GFXPAUSE, 0x30FFF);