The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 824df77ab2107d8d4740b834b276681a41ae1ac8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2023080747-take-trustable-b5c1@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: 824df77ab210 ("drm/i915/gt: Enable the CCS_FLUSH bit in the pipe control and in the CS") 592b228f12e1 ("drm/i915/gt: Rename flags with bit_group_X according to the datasheet") 78a6ccd65fa3 ("drm/i915/gt: Ensure memory quiesced before invalidation") d922b80b1010 ("drm/i915/gt: Add workaround 14016712196") 1eb313389948 ("drm/i915/pvc: Remove additional 3D flags from PIPE_CONTROL") b409db082da6 ("Revert "drm/i915: Drop has_reset_engine from device info"") 9d67edba730c ("drm/i915/pvc: Define MOCS table for PVC") 922abe4d19bd ("drm/i915: Drop has_reset_engine from device info") 218076abbcd6 ("drm/i915: Drop has_rc6 from device info") 448a54ace4bb ("drm/i915/pvc: add initial Ponte Vecchio definitions") e1e1f4e32594 ("Merge drm/drm-next into drm-intel-gt-next") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 824df77ab2107d8d4740b834b276681a41ae1ac8 Mon Sep 17 00:00:00 2001 From: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> Date: Tue, 25 Jul 2023 02:19:48 +0200 Subject: [PATCH] drm/i915/gt: Enable the CCS_FLUSH bit in the pipe control and in the CS Enable the CCS_FLUSH bit 13 in the control pipe for render and compute engines in platforms starting from Meteor Lake (BSPEC 43904 and 47112). For the copy engine add MI_FLUSH_DW_CCS (bit 16) in the command streamer. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Requires: 8da173db894a ("drm/i915/gt: Rename flags with bit_group_X according to the datasheet") Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> Cc: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx> Cc: Nirmoy Das <nirmoy.das@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # v5.8+ Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx> Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20230725001950.1014671-6-andi.shyti@xxxxxxxxxxxxxxx (cherry picked from commit b70df82b428774875c7c56d3808102165891547c) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 5d2175e918dd..ec54d36eaef7 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -230,6 +230,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) bit_group_0 |= PIPE_CONTROL0_HDC_PIPELINE_FLUSH; + /* + * When required, in MTL and beyond platforms we + * need to set the CCS_FLUSH bit in the pipe control + */ + if (GRAPHICS_VER_FULL(rq->i915) >= IP_VER(12, 70)) + bit_group_0 |= PIPE_CONTROL_CCS_FLUSH; + bit_group_1 |= PIPE_CONTROL_TILE_CACHE_FLUSH; bit_group_1 |= PIPE_CONTROL_FLUSH_L3; bit_group_1 |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; @@ -356,6 +363,10 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) cmd |= MI_INVALIDATE_TLB; if (rq->engine->class == VIDEO_DECODE_CLASS) cmd |= MI_INVALIDATE_BSD; + + if (gen12_needs_ccs_aux_inv(rq->engine) && + rq->engine->class == COPY_ENGINE_CLASS) + cmd |= MI_FLUSH_DW_CCS; } *cs++ = cmd; diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h index 5d143e2a8db0..5df7cce23197 100644 --- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h +++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h @@ -299,6 +299,7 @@ #define PIPE_CONTROL_QW_WRITE (1<<14) #define PIPE_CONTROL_POST_SYNC_OP_MASK (3<<14) #define PIPE_CONTROL_DEPTH_STALL (1<<13) +#define PIPE_CONTROL_CCS_FLUSH (1<<13) /* MTL+ */ #define PIPE_CONTROL_WRITE_FLUSH (1<<12) #define PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH (1<<12) /* gen6+ */ #define PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE (1<<11) /* MBZ on ILK */
