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authorJason Ekstrand <[email protected]>2016-11-21 20:22:53 -0800
committerJason Ekstrand <[email protected]>2016-11-22 08:06:33 -0800
commitf680a01ad4ed360b44cd1b9d3c447a95cedbccd5 (patch)
tree028c172ee3140ad0129a3c1364cfe46f578c5b70 /src/intel/vulkan/genX_cmd_buffer.c
parent054e48ee0ead7e5a81d28220e3890c7dfc410188 (diff)
anv/cmd_buffer: Emit a CS stall before setting a CS pipeline
Reviewed-by: Lionel Landwerlin <[email protected]> Reviewed-by: Jordan Justen <[email protected]> Cc: "13.0" <[email protected]>
Diffstat (limited to 'src/intel/vulkan/genX_cmd_buffer.c')
-rw-r--r--src/intel/vulkan/genX_cmd_buffer.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 52b3a82a3ec..6e957b7d5f6 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -1564,8 +1564,20 @@ genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
genX(flush_pipeline_select_gpgpu)(cmd_buffer);
- if (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE)
+ if (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE) {
+ /* From the Sky Lake PRM Vol 2a, MEDIA_VFE_STATE:
+ *
+ * "A stalling PIPE_CONTROL is required before MEDIA_VFE_STATE unless
+ * the only bits that are changed are scoreboard related: Scoreboard
+ * Enable, Scoreboard Type, Scoreboard Mask, Scoreboard * Delta. For
+ * these scoreboard related states, a MEDIA_STATE_FLUSH is
+ * sufficient."
+ */
+ cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
+ genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
+
anv_batch_emit_batch(&cmd_buffer->batch, &pipeline->batch);
+ }
if (cmd_buffer->state.push_constants_dirty & VK_SHADER_STAGE_COMPUTE_BIT) {
struct anv_state push_state =