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radv: fix capturing performance counters with SPM

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Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/14333
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39065>
This commit is contained in:
Samuel Pitoiset 2025-12-22 18:15:07 +01:00 • committed by Marge Bot
parent e03461f3bd
commit 47366527ce
1 changed files with 19 additions and 0 deletions
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19
src/amd/vulkan/radv_cmd_buffer.c
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@ -7860,6 +7860,25 @@ radv_BeginCommandBuffer(VkCommandBuffer commandBuffer, const VkCommandBufferBegi
if (radv_device_fault_detection_enabled(device))
radv_cmd_buffer_trace_emit(cmd_buffer);
if (radv_spm_trace_enabled(pdev) && (cmd_buffer->qf == RADV_QUEUE_GENERAL || cmd_buffer->qf == RADV_QUEUE_COMPUTE)) {
/* Force-enable windowed performance counters because the SQTT preamble is based on the queue
* family. That means that if it's presenting on compute, it won't enable windowed performance
* counters on graphics.
*
* On GFX12, this is required because this state seems cleared between command buffers and SPM
* counter values might be lost otherwise.
*/
struct radv_cmd_stream *cs = cmd_buffer->cs;
radeon_check_space(device->ws, cmd_buffer->cs->b, 5);
ac_cmdbuf_begin(cs->b);
if (cmd_buffer->qf == RADV_QUEUE_GENERAL)
ac_cmdbuf_event_write(V_028A90_PERFCOUNTER_START);
ac_cmdbuf_set_sh_reg(R_00B82C_COMPUTE_PERFCOUNT_ENABLE, S_00B82C_PERFCOUNT_ENABLE(1));
ac_cmdbuf_end();
}
radv_describe_begin_cmd_buffer(cmd_buffer);
return result;