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nvk: FLUSH_PENDING_WRITES in gr semaphore release

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The proprietary driver seems to always do this before a graphics
semaphore release. This is presumably weaker than a WFI because it's
never emitted for pipeline barriers.

Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37857>
This commit is contained in:
Mel Henning
2025-10-07 18:40:32 -04:00
committed by Marge Bot
parent f725685428
commit fcd1c4b9e7
1 changed files with 2 additions and 1 deletions
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src/nouveau/vulkan/nvk_event.c
+2 -1
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@@ -164,7 +164,8 @@ nvk_event_report_semaphore(struct nvk_cmd_buffer *cmd,
{
uint8_t subc = nvk_cmd_buffer_last_subchannel(cmd);
if (subc == SUBC_NV9097) {
struct nv_push *p = nvk_cmd_buffer_push(cmd, 5);
struct nv_push *p = nvk_cmd_buffer_push(cmd, 7);
P_IMMD(p, NV9097, FLUSH_PENDING_WRITES, 0);
P_MTHD(p, NV9097, SET_REPORT_SEMAPHORE_A);
P_NV9097_SET_REPORT_SEMAPHORE_A(p, addr >> 32);
P_NV9097_SET_REPORT_SEMAPHORE_B(p, addr);