From 5b0e3659296cc4a1484e60640ef10780194a195b Mon Sep 17 00:00:00 2001 From: Mika Kuoppala Date: Tue, 7 Jun 2016 17:18:57 +0300 Subject: [PATCH] drm/i915/gen9: Always apply WaForceContextSaveRestoreNonCoherent The revision id range for this workaround has changed. So apply it to all revids on all gen9. References: HSD#2134449 Signed-off-by: Mika Kuoppala Reviewed-by: Matthew Auld Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-6-git-send-email-mika.kuoppala@intel.com --- drivers/gpu/drm/i915/intel_ringbuffer.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index f97f70fdda7b..7954fe0478b9 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -908,7 +908,6 @@ static int chv_init_workarounds(struct intel_engine_cs *engine) static int gen9_init_workarounds(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; - uint32_t tmp; int ret; /* WaEnableLbsSlaRetryTimerDecrement:skl,bxt,kbl */ @@ -968,12 +967,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0, PIXEL_MASK_CAMMING_DISABLE); - /* WaForceContextSaveRestoreNonCoherent:skl,bxt */ - tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT; - if (IS_SKL_REVID(dev_priv, SKL_REVID_F0, REVID_FOREVER) || - IS_BXT_REVID(dev_priv, BXT_REVID_B0, REVID_FOREVER)) - tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE; - WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp); + /* WaForceContextSaveRestoreNonCoherent:skl,bxt,kbl */ + WA_SET_BIT_MASKED(HDC_CHICKEN0, + HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT | + HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE); /* WaDisableSamplerPowerBypassForSOPingPong:skl,bxt,kbl */ if (IS_SKYLAKE(dev_priv) || -- 2.20.1