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Code Issues Releases Wiki Activity

drm/i915: Don't set PIPE_CONTROL_FLUSH_L3 for aux inval

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PIPE_CONTROL_FLUSH_L3 is not needed for aux invalidation
so don't set that.

Fixes: ad8ebf1221 ("drm/i915/gt: Ensure memory quiesced before invalidation")
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.8+
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Tejas Upadhyay <tejas.upadhyay@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Prathap Kumar Valsan <prathap.kumar.valsan@intel.com>
Cc: Tapani Pälli <tapani.palli@intel.com>
Cc: Mark Janes <mark.janes@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Acked-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Tested-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230926142401.25687-1-nirmoy.das@intel.com
This commit is contained in:
Nirmoy Das 2023-09-26 16:24:01 +02:00
parent 1e975e591a
commit 03d681412b
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/gpu/drm/i915/gt/gen8_engine_cs.c
View file

@ -271,8 +271,17 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode)
if (GRAPHICS_VER_FULL(rq->i915) >= IP_VER(12, 70))
bit_group_0 |= PIPE_CONTROL_CCS_FLUSH;
/*
* 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)
bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH;
bit_group_1 |= PIPE_CONTROL_FLUSH_L3;
bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
bit_group_1 |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
/* Wa_1409600907:tgl,adl-p */