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authorDamien Lespiau <damien.lespiau@intel.com>2015-02-10 10:31:00 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2015-02-13 23:28:16 +0100
commit35cb6f3b4ee352bff28d2541909e30f193788b52 (patch)
tree987839cf9d7fa75476ca7f2b59b19379fe073f9b /drivers/gpu/drm/i915/intel_ringbuffer.c
parentc57e3551225977c9b5ed3b81a2be2a0b8f6f4503 (diff)
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drm/i915/bdw: Implement WaForceContextSaveRestoreNonCoherent
v2: Reorder defines (Ben) v3: More bikesheds, this time re-ordering comments! (Chris) Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> [danvet: Resolve conflict.] 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.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fb71e33ac4d7..d62681748b87 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -788,12 +788,14 @@ static int bdw_init_workarounds(struct intel_engine_cs *ring)
* workaround for for a possible hang in the unlikely event a TLB
* invalidation occurs during a PSD flush.
*/
- /* WaForceEnableNonCoherent:bdw */
- /* WaHdcDisableFetchWhenMasked:bdw */
- /* WaDisableFenceDestinationToSLM:bdw (GT3 pre-production) */
WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ /* WaForceEnableNonCoherent:bdw */
HDC_FORCE_NON_COHERENT |
+ /* WaForceContextSaveRestoreNonCoherent:bdw */
+ HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT |
+ /* WaHdcDisableFetchWhenMasked:bdw */
HDC_DONOT_FETCH_MEM_WHEN_MASKED |
+ /* WaDisableFenceDestinationToSLM:bdw (pre-prod) */
(IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0));
/* From the Haswell PRM, Command Reference: Registers, CACHE_MODE_0: