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anv: emit pixel scoreboard stall before ISP disable

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We want to make sure that all indirect state data has been loaded into
the EUs before disable the pointers.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Rafael Antognolli <rafael.antognolli@intel.com>
Fixes: 78c125af39 ("anv/gen10: Ignore push constant packets during context restore.")
This commit is contained in:
Lionel Landwerlin 2018-05-08 17:25:55 +01:00
parent f536097f67
commit 766d801ca3
1 changed files with 8 additions and 1 deletions
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9
src/intel/vulkan/genX_cmd_buffer.c
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@ -1420,14 +1420,21 @@ genX(BeginCommandBuffer)(
* context restore, so the mentioned hang doesn't happen. However,
* software must program push constant commands for all stages prior to
* rendering anything. So we flag them dirty in BeginCommandBuffer.
*
* Finally, we also make sure to stall at pixel scoreboard to make sure the
* constants have been loaded into the EUs prior to disable the push constants
* so that it doesn't hang a previous 3DPRIMITIVE.
*/
static void
emit_isp_disable(struct anv_cmd_buffer *cmd_buffer)
{
anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
pc.IndirectStatePointersDisable = true;
pc.StallAtPixelScoreboard = true;
pc.CommandStreamerStallEnable = true;
}
anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
pc.IndirectStatePointersDisable = true;
}
}
VkResult