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authorVinay Belgaumkar <vinay.belgaumkar@intel.com>2023-10-17 12:53:09 -0700
committerAndi Shyti <andi.shyti@linux.intel.com>2023-10-18 18:44:14 +0200
commit5fde104ea8587c547732a06d9d6473f6e7e4ac1c (patch)
tree9e7e16d8040b8cd86eecc9cbe7f0d9a7e6617e34
parentf1cdb599ce0ef909343d6c8e7d372defbaa382b9 (diff)
drm/i915/mtl: Don't set PIPE_CONTROL_FLUSH_L3
This bit does not cause an explicit L3 flush. We already use PIPE_CONTROL_DC_FLUSH_ENABLE for that purpose. v2: Use FLUSH_L3 only pre-MTL since spec will likely remain the same going forward. Cc: Nirmoy Das <nirmoy.das@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231017195309.2476088-1-vinay.belgaumkar@intel.com
-rw-r--r--drivers/gpu/drm/i915/gt/gen8_engine_cs.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
index 8b93cbe0f535..bafcd3d97720 100644
--- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
@@ -278,7 +278,8 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
* deals with Protected Memory which is not needed for
* AUX CCS invalidation and lead to unwanted side effects.
*/
- if (mode & EMIT_FLUSH)
+ if ((mode & EMIT_FLUSH) &&
+ GRAPHICS_VER_FULL(rq->i915) < IP_VER(12, 70))
bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH;
@@ -812,12 +813,14 @@ u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs)
u32 flags = (PIPE_CONTROL_CS_STALL |
PIPE_CONTROL_TLB_INVALIDATE |
PIPE_CONTROL_TILE_CACHE_FLUSH |
- PIPE_CONTROL_FLUSH_L3 |
PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
PIPE_CONTROL_DEPTH_CACHE_FLUSH |
PIPE_CONTROL_DC_FLUSH_ENABLE |
PIPE_CONTROL_FLUSH_ENABLE);
+ if (GRAPHICS_VER_FULL(rq->i915) < IP_VER(12, 70))
+ flags |= PIPE_CONTROL_FLUSH_L3;
+
/* Wa_14016712196 */
if (IS_GFX_GT_IP_RANGE(gt, IP_VER(12, 70), IP_VER(12, 71)) || IS_DG2(i915))
/* dummy PIPE_CONTROL + depth flush */