diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-10-20 03:41:57 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2023-10-20 03:41:57 +0000 |
| commit | 6059f6e2a3489b0fd6ad5617b04179c80198b487 (patch) | |
| tree | 66ad39fb82421ab667b64486cf8989dc9a5976c3 /sys/dev/pci | |
| parent | 3054546bd4e10f3c06211dca9d399f87d3eebf83 (diff) | |
drm/i915: Don't set PIPE_CONTROL_FLUSH_L3 for aux inval
From Nirmoy Das
f175665385fe9fdd996080806aa67e666475d3d8 in linux-6.1.y/6.1.59
128c20eda73bd3e78505c574fb17adb46195c98b in mainline linux
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/drm/i915/gt/gen8_engine_cs.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/dev/pci/drm/i915/gt/gen8_engine_cs.c b/sys/dev/pci/drm/i915/gt/gen8_engine_cs.c index cc846853687..efc22f9b17f 100644 --- a/sys/dev/pci/drm/i915/gt/gen8_engine_cs.c +++ b/sys/dev/pci/drm/i915/gt/gen8_engine_cs.c @@ -235,8 +235,17 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) u32 flags = 0; u32 *cs; + /* + * L3 fabric flush is needed for AUX CCS invalidation + * which happens as part of pipe-control so we can + * ignore PIPE_CONTROL_FLUSH_L3. Also PIPE_CONTROL_FLUSH_L3 + * deals with Protected Memory which is not needed for + * AUX CCS invalidation and lead to unwanted side effects. + */ + if (mode & EMIT_FLUSH) + flags |= PIPE_CONTROL_FLUSH_L3; + flags |= PIPE_CONTROL_TILE_CACHE_FLUSH; - flags |= PIPE_CONTROL_FLUSH_L3; flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; /* Wa_1409600907:tgl,adl-p */ |