diff options
| author | Nirmoy Das | 2023-09-26 10:37:42 +0200 |
|---|---|---|
| committer | Nirmoy Das | 2023-09-30 13:49:36 +0200 |
| commit | 799d794f75598353c8e5854fc9c57cc46d236c4e (patch) | |
| tree | 9cff4f1887bac96e9ffe90c82a21982018ee9b4d | |
| parent | a2ae29629230588d50dfcba306decad7e4f690f3 (diff) | |
drm/i915: Enable GGTT updates with binder in MTL
MTL can hang because of a HW bug while parallel reading/writing
from/to LMEM/GTTMMADR BAR so try to reduce GGTT update
related pci transactions with blitter command as recommended
for Wa_13010847436 and Wa_14019519902.
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Oak Zeng <oak.zeng@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926083742.14740-8-nirmoy.das@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gtt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c index 4c89eb8d9af7..4fbed27ef0ec 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.c +++ b/drivers/gpu/drm/i915/gt/intel_gtt.c @@ -23,7 +23,8 @@ bool i915_ggtt_require_binder(struct drm_i915_private *i915) { - return false; + /* Wa_13010847436 & Wa_14019519902 */ + return MEDIA_VER_FULL(i915) == IP_VER(13, 0); } static bool intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *i915) |