[PATCH] drm/xe/ptl: Disable null query for anyhit shader
Nitin Gote
nitin.r.gote at intel.com
Wed May 7 12:44:37 UTC 2025
For PTL, disable null query for anyhit shader as it
currently does not bring any performance benefits.
Quite the contrary, disabling the mechanism brings a
small but consistent perf uplift.
Signed-off-by: Nitin Gote <nitin.r.gote at intel.com>
---
drivers/gpu/drm/xe/xe_tuning.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index 49ddbda7cdef..6f2f3428b12e 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -98,6 +98,11 @@ static const struct xe_rtp_entry_sr engine_tunings[] = {
ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE))
},
+ { XE_RTP_NAME("Tuning: Disable NULL query for Anyhit Shader"),
+ XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, 3001),
+ FUNC(xe_rtp_match_first_render_or_compute)),
+ XE_RTP_ACTIONS(SET(RT_CTRL, DIS_NULL_QUERY))
+ },
};
static const struct xe_rtp_entry_sr lrc_tunings[] = {
--
2.25.1
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