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anv: document more stalling

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39982>
This commit is contained in:
Lionel Landwerlin 2026-01-05 16:55:26 +02:00 • committed by Marge Bot
parent dc79d6b13a
commit ab10ee1dd4
1 changed files with 14 additions and 6 deletions
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20
src/intel/vulkan/genX_gpu_memcpy.c
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@ -206,8 +206,11 @@ emit_so_memcpy(struct anv_memcpy_state *state,
* 3dstate_so_buffer_index_0/1/2/3 states to ensure so_buffer_index_*
* state is not combined with other state changes.
*/
if (intel_needs_workaround(device->info, 16011411144))
genx_batch_emit_pipe_control(batch, device->info, _3D, ANV_PIPE_CS_STALL_BIT);
if (intel_needs_workaround(device->info, 16011411144)) {
genX(batch_emit_pipe_control)(batch, device->info, _3D,
ANV_PIPE_CS_STALL_BIT,
"Wa_16011411144 (gpu_memcpy pre SO_BUFFER)");
}
anv_batch_emit(batch, GENX(3DSTATE_SO_BUFFER), sob) {
#if GFX_VER < 12
@ -232,8 +235,11 @@ emit_so_memcpy(struct anv_memcpy_state *state,
}
/* Wa_16011411144: also CS_STALL after touching SO_BUFFER change */
if (intel_needs_workaround(device->info, 16011411144))
genx_batch_emit_pipe_control(batch, device->info, _3D, ANV_PIPE_CS_STALL_BIT);
if (intel_needs_workaround(device->info, 16011411144)) {
genX(batch_emit_pipe_control)(batch, device->info, _3D,
ANV_PIPE_CS_STALL_BIT,
"Wa_16011411144 (gpu_memcpy post SO_BUFFER)");
}
dw = anv_batch_emitn(batch, 5, GENX(3DSTATE_SO_DECL_LIST),
.StreamtoBufferSelects0 = (1 << 0),
@ -248,8 +254,10 @@ emit_so_memcpy(struct anv_memcpy_state *state,
});
#if GFX_VERx10 == 125
/* Wa_14015946265: Send PC with CS stall after SO_DECL. */
genx_batch_emit_pipe_control(batch, device->info, _3D, ANV_PIPE_CS_STALL_BIT);
/* Wa_14015946265: Send PC with CS stall after SO_DECL. */
genX(batch_emit_pipe_control)(batch, device->info, _3D,
ANV_PIPE_CS_STALL_BIT,
"Wa_14015946265 (gpu_memcpy)");
#endif
anv_batch_emit(batch, GENX(3DSTATE_STREAMOUT), so) {