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* [PATCH] drm/xe/gt_throttle: Report power brake as a throttle reason on CRI
@ 2026-09-09 11:49 Sk Anirban
  2026-09-09 12:14 ` ✓ CI.KUnit: success for " Patchwork
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Sk Anirban @ 2026-09-09 11:49 UTC (permalink / raw)
  To: intel-xe
  Cc: anshuman.gupta, badal.nilawar, riana.tauro, karthik.poosa,
	raag.jadav, soham.purkait, mallesh.koujalagi, vinay.belgaumkar,
	srinivasa.adatrao, Sk Anirban

CRI defines bit 5 of the perf limit reasons register as a power brake
(PWRBRK) indicator. Add PWRBRK_MASK and a reason_pwrbrk sysfs attribute
for CRI in place of reason_ratl.

Signed-off-by: Sk Anirban <sk.anirban@intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h | 1 +
 drivers/gpu/drm/xe/xe_gt_throttle.c  | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 48c515d91882..dbbb0daecee2 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -657,6 +657,7 @@
 #define   MEM_THERMAL_MASK			REG_BIT(2)
 #define   VR_THERMAL_MASK			REG_BIT(3)
 #define   ICCMAX_MASK				REG_BIT(4)
+#define   PWRBRK_MASK				REG_BIT(5)
 #define   SOC_AVG_THERMAL_MASK			REG_BIT(6)
 #define   FASTVMODE_MASK			REG_BIT(7)
 #define   PSYS_PL1_MASK				REG_BIT(12)
diff --git a/drivers/gpu/drm/xe/xe_gt_throttle.c b/drivers/gpu/drm/xe/xe_gt_throttle.c
index 1e7e3a31aa69..c0af5484611d 100644
--- a/drivers/gpu/drm/xe/xe_gt_throttle.c
+++ b/drivers/gpu/drm/xe/xe_gt_throttle.c
@@ -39,7 +39,7 @@
  * - ``reason_mem_thermal``: Memory thermal
  * - ``reason_vr_thermal``: VR thermal
  * - ``reason_iccmax``: ICCMAX
- * - ``reason_ratl``: RATL thermal algorithm
+ * - ``reason_pwrbrk``: Power brake
  * - ``reason_soc_avg_thermal``: SoC average temp
  * - ``reason_fastvmode``: VR is hitting FastVMode
  * - ``reason_psys_pl1``: PSYS PL1
@@ -200,6 +200,7 @@ static THROTTLE_ATTR_RO(reason_psys_pl1, PSYS_PL1_MASK);
 static THROTTLE_ATTR_RO(reason_psys_pl2, PSYS_PL2_MASK);
 static THROTTLE_ATTR_RO(reason_p0_freq, P0_FREQ_MASK);
 static THROTTLE_ATTR_RO(reason_psys_crit, PSYS_CRIT_MASK);
+static THROTTLE_ATTR_RO(reason_pwrbrk, PWRBRK_MASK);
 
 static struct attribute *cri_throttle_attrs[] = {
 	/* Common */
@@ -209,12 +210,12 @@ static struct attribute *cri_throttle_attrs[] = {
 	&attr_reason_pl2.attr.attr,
 	&attr_reason_pl4.attr.attr,
 	&attr_reason_prochot.attr.attr,
-	&attr_reason_ratl.attr.attr,
 	/* CRI */
 	&attr_reason_vr_thermal.attr.attr,
 	&attr_reason_soc_thermal.attr.attr,
 	&attr_reason_mem_thermal.attr.attr,
 	&attr_reason_iccmax.attr.attr,
+	&attr_reason_pwrbrk.attr.attr,
 	&attr_reason_soc_avg_thermal.attr.attr,
 	&attr_reason_fastvmode.attr.attr,
 	&attr_reason_psys_pl1.attr.attr,
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2026-09-10  9:20 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2026-09-09 11:49 [PATCH] drm/xe/gt_throttle: Report power brake as a throttle reason on CRI Sk Anirban
2026-09-09 12:14 ` ✓ CI.KUnit: success for " Patchwork
2026-09-09 13:04 ` ✓ Xe.CI.BAT: " Patchwork
2026-09-09 19:43 ` ✗ Xe.CI.FULL: failure " Patchwork
2026-09-10  9:20 ` [PATCH] " Raag Jadav

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