From: Oscar Mateo Date: Thu, 7 Sep 2017 15:40:07 +0000 (-0700) Subject: drm/i915: Transform WaDisableGafsUnitClkGating into a simple reg write X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=4827c547c51f81579edb8f3958d53c15e0a3f662;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Transform WaDisableGafsUnitClkGating into a simple reg write GEN7_UCGCTL4 does not live in the context. v2: Missing parenthesis Cc: Chris Wilson Cc: Mika Kuoppala Cc: Rodrigo Vivi Signed-off-by: Oscar Mateo Reviewed-by: Michał Winiarski Link: https://patchwork.freedesktop.org/patch/msgid/1504798809-5653-4-git-send-email-oscar.mateo@intel.com Signed-off-by: Chris Wilson --- diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 6e24711c106c..48c7eb36d633 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -981,7 +981,8 @@ static int skl_init_workarounds(struct intel_engine_cs *engine) GEN9_GAPS_TSV_CREDIT_DISABLE)); /* WaDisableGafsUnitClkGating:skl */ - WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE); + I915_WRITE(GEN7_UCGCTL4, (I915_READ(GEN7_UCGCTL4) | + GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE)); /* WaInPlaceDecompressionHang:skl */ if (IS_SKL_REVID(dev_priv, SKL_REVID_H0, REVID_FOREVER)) @@ -1143,7 +1144,8 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine) GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); /* WaDisableGafsUnitClkGating:kbl */ - WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE); + I915_WRITE(GEN7_UCGCTL4, (I915_READ(GEN7_UCGCTL4) | + GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE)); /* WaDisableSbeCacheDispatchPortSharing:kbl */ WA_SET_BIT_MASKED( @@ -1197,7 +1199,8 @@ static int cfl_init_workarounds(struct intel_engine_cs *engine) GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION); /* WaDisableGafsUnitClkGating:cfl */ - WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE); + I915_WRITE(GEN7_UCGCTL4, (I915_READ(GEN7_UCGCTL4) | + GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE)); /* WaDisableSbeCacheDispatchPortSharing:cfl */ WA_SET_BIT_MASKED(