[Mesa-dev] [PATCH] radeonsi: don't use PFP_SYNC_ME with compute-only contexts
Marek Olšák
maraeo at gmail.com
Mon Apr 1 22:37:00 UTC 2019
From: Marek Olšák <marek.olsak at amd.com>
Fixes: a1378639ab1 "radeonsi: always use compute rings for clover on CI and newer (v2)"
---
src/gallium/drivers/radeonsi/si_cp_dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c
index 5993369d2da..f349325202c 100644
--- a/src/gallium/drivers/radeonsi/si_cp_dma.c
+++ b/src/gallium/drivers/radeonsi/si_cp_dma.c
@@ -124,21 +124,21 @@ static void si_emit_cp_dma(struct si_context *sctx, struct radeon_cmdbuf *cs,
radeon_emit(cs, dst_va); /* DST_ADDR_LO [31:0] */
radeon_emit(cs, (dst_va >> 32) & 0xffff); /* DST_ADDR_HI [15:0] */
radeon_emit(cs, command);
}
/* CP DMA is executed in ME, but index buffers are read by PFP.
* This ensures that ME (CP DMA) is idle before PFP starts fetching
* indices. If we wanted to execute CP DMA in PFP, this packet
* should precede it.
*/
- if (flags & CP_DMA_PFP_SYNC_ME) {
+ if (sctx->has_graphics && flags & CP_DMA_PFP_SYNC_ME) {
radeon_emit(cs, PKT3(PKT3_PFP_SYNC_ME, 0, 0));
radeon_emit(cs, 0);
}
}
void si_cp_dma_wait_for_idle(struct si_context *sctx)
{
/* Issue a dummy DMA that copies zero bytes.
*
* The DMA engine will see that there's no work to do and skip this
--
2.17.1
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