[Mesa-dev] [PATCH 3/5] winsys/amdgpu: pad compute rings
Marek Olšák
maraeo at gmail.com
Thu Mar 8 16:51:22 UTC 2018
From: Marek Olšák <marek.olsak at amd.com>
v2: pad with PKT2 NOPs on SI
---
src/gallium/winsys/amdgpu/drm/amdgpu_cs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
index d9a95c0..a3feeb9 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
@@ -1521,29 +1521,31 @@ static int amdgpu_cs_flush(struct radeon_winsys_cs *rcs,
/* pad DMA ring to 8 DWs */
if (ws->info.chip_class <= SI) {
while (rcs->current.cdw & 7)
radeon_emit(rcs, 0xf0000000); /* NOP packet */
} else {
while (rcs->current.cdw & 7)
radeon_emit(rcs, 0x00000000); /* NOP packet */
}
break;
case RING_GFX:
+ case RING_COMPUTE:
/* pad GFX ring to 8 DWs to meet CP fetch alignment requirements */
if (ws->info.gfx_ib_pad_with_type2) {
while (rcs->current.cdw & 7)
radeon_emit(rcs, 0x80000000); /* type2 nop packet */
} else {
while (rcs->current.cdw & 7)
radeon_emit(rcs, 0xffff1000); /* type3 nop packet */
}
- ws->gfx_ib_size_counter += (rcs->prev_dw + rcs->current.cdw) * 4;
+ if (cs->ring_type == RING_GFX)
+ ws->gfx_ib_size_counter += (rcs->prev_dw + rcs->current.cdw) * 4;
break;
case RING_UVD:
case RING_UVD_ENC:
while (rcs->current.cdw & 15)
radeon_emit(rcs, 0x80000000); /* type2 nop packet */
break;
case RING_VCN_DEC:
while (rcs->current.cdw & 15)
radeon_emit(rcs, 0x81ff); /* nop packet */
break;
--
2.7.4
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