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winsys/amdgpu: pad compute IBs 

v2: pad with PKT2 NOPs on SI

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2018-03-06 15:03:09 -05:00
parent 35cd86d4e9
commit a4a113b5bc
1 changed files with 3 additions and 1 deletions
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4
src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
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@ -1528,6 +1528,7 @@ static int amdgpu_cs_flush(struct radeon_winsys_cs *rcs,
}
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)
@ -1536,7 +1537,8 @@ static int amdgpu_cs_flush(struct radeon_winsys_cs *rcs,
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: