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radeonsi/gfx10: fix L2 cache rinse programming

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Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 3c0938bece)
This commit is contained in:
Marek Olšák 2019-09-24 15:15:00 -04:00 • committed by Dylan Baker
parent a413b55157
commit 8f95245068
1 changed files with 17 additions and 5 deletions
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22
src/gallium/drivers/radeonsi/si_state_draw.c
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@ -1130,16 +1130,28 @@ void gfx10_emit_cache_flush(struct si_context *ctx)
}
if (flags & SI_CONTEXT_INV_VCACHE)
gcr_cntl |= S_586_GL1_INV(1) | S_586_GLV_INV(1);
/* The L2 cache ops are:
* - INV: - invalidate lines that reflect memory (were loaded from memory)
* - don't touch lines that were overwritten (were stored by gfx clients)
* - WB: - don't touch lines that reflect memory
* - write back lines that were overwritten
* - WB | INV: - invalidate lines that reflect memory
* - write back lines that were overwritten
*
* GLM doesn't support WB alone. If WB is set, INV must be set too.
*/
if (flags & SI_CONTEXT_INV_L2) {
/* Writeback and invalidate everything in L2. */
gcr_cntl |= S_586_GL2_INV(1) | S_586_GLM_INV(1);
gcr_cntl |= S_586_GL2_INV(1) | S_586_GL2_WB(1) |
S_586_GLM_INV(1) | S_586_GLM_WB(1);
ctx->num_L2_invalidates++;
} else if (flags & SI_CONTEXT_WB_L2) {
/* Writeback but do not invalidate. */
gcr_cntl |= S_586_GL2_WB(1);
gcr_cntl |= S_586_GL2_WB(1) |
S_586_GLM_WB(1) | S_586_GLM_INV(1);
} else if (flags & SI_CONTEXT_INV_L2_METADATA) {
gcr_cntl |= S_586_GLM_INV(1) | S_586_GLM_WB(1);
}
if (flags & SI_CONTEXT_INV_L2_METADATA)
gcr_cntl |= S_586_GLM_INV(1);
if (flags & (SI_CONTEXT_FLUSH_AND_INV_CB | SI_CONTEXT_FLUSH_AND_INV_DB)) {
if (flags & SI_CONTEXT_FLUSH_AND_INV_CB) {