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radv/winsys: fix padding command stream for SI

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We were adding pad to size after creating the object, so we could
submit a CS bigger than the bo created for it.

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-07-26 03:25:24 +01:00
parent a81e99f50a
commit d4b079e708
1 changed files with 6 additions and 4 deletions
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10
src/amd/vulkan/winsys/amdgpu/radv_amdgpu_cs.c
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@ -841,7 +841,7 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
uint32_t *ptr;
unsigned cnt = 0;
unsigned size = 0;
unsigned pad_words = 0;
if (preamble_cs)
size += preamble_cs->cdw;
@ -850,6 +850,10 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
++cnt;
}
while(!size || (size & 7)) {
size++;
pad_words++;
}
assert(cnt);
bo = ws->buffer_create(ws, 4 * size, 4096, RADEON_DOMAIN_GTT, RADEON_FLAG_CPU_ACCESS);
@ -867,10 +871,8 @@ static int radv_amdgpu_winsys_cs_submit_sysmem(struct radeon_winsys_ctx *_ctx,
}
while(!size || (size & 7)) {
for (unsigned j = 0; j < pad_words; ++j)
*ptr++ = pad_word;
++size;
}
memset(&request, 0, sizeof(request));