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authorNick Hoath <nicholas.hoath@intel.com>2015-05-07 13:15:34 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-05-08 11:04:15 (GMT)
commitb62adbd1ea1f65e82ac7b3ec79f9f4873e193a10 (patch)
treee5504da1d8b2f9c95910cc431ad9fe754e7fa73e /drivers/gpu/drm/i915/intel_ringbuffer.c
parent27a1b688d9f1fa2abd14bfe6a8729a19fb3b1b25 (diff)
downloadlinux-b62adbd1ea1f65e82ac7b3ec79f9f4873e193a10.tar.xz
drm/i915/bxt: Move WaForceEnableNonCoherent to Skylake only
Signed-off-by: Nick Hoath <nicholas.hoath@intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e8eeea1..88593248 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -951,17 +951,6 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
GEN9_ENABLE_YV12_BUGFIX);
}
- if (INTEL_REVID(dev) <= SKL_REVID_D0) {
- /*
- *Use Force Non-Coherent whenever executing a 3D context. This
- * is a workaround for a possible hang in the unlikely event
- * a TLB invalidation occurs during a PSD flush.
- */
- /* WaForceEnableNonCoherent:skl */
- WA_SET_BIT_MASKED(HDC_CHICKEN0,
- HDC_FORCE_NON_COHERENT);
- }
-
/* Wa4x4STCOptimizationDisable:skl */
WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE);
@@ -1039,6 +1028,17 @@ static int skl_init_workarounds(struct intel_engine_cs *ring)
WA_SET_BIT_MASKED(HIZ_CHICKEN,
BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
+ if (INTEL_REVID(dev) <= SKL_REVID_D0) {
+ /*
+ *Use Force Non-Coherent whenever executing a 3D context. This
+ * is a workaround for a possible hang in the unlikely event
+ * a TLB invalidation occurs during a PSD flush.
+ */
+ /* WaForceEnableNonCoherent:skl */
+ WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ HDC_FORCE_NON_COHERENT);
+ }
+
return skl_tune_iz_hashing(ring);
}