[PATCH v3] drm/msm: add PERFCTR_CNTL to ifpc_reglist

[PATCH v3] drm/msm: add PERFCTR_CNTL to ifpc_reglist

[Anna Maniscalco]

Previously this register would become 0 after IFPC took place which
broke all usages of counters.

Fixes: a6a0157cc68e ("drm/msm/a6xx: Enable IFPC on Adreno X1-85")
Cc: stable@vger.kernel.org
Signed-off-by: Anna Maniscalco <anna.maniscalco2000@gmail.com>
Reviewed-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
Changes in v3:
- Added missing Cc: stable to commit
- Collected Rb tags
- Link to v2: https://lore.kernel.org/r/20251126-ifpc_counters-v2-1-b798bc433eff@gmail.com

Changes in v2:
- Added Fixes tag
- Link to v1: https://lore.kernel.org/r/20251126-ifpc_counters-v1-1-f2d5e7048032@gmail.com
---
 drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
index 29107b362346..b731491dc522 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
@@ -1392,6 +1392,7 @@ static const u32 a750_ifpc_reglist_regs[] = {
 	REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(2),
 	REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(3),
 	REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE(4),
+	REG_A6XX_RBBM_PERFCTR_CNTL,
 	REG_A6XX_TPL1_NC_MODE_CNTL,
 	REG_A6XX_SP_NC_MODE_CNTL,
 	REG_A6XX_CP_DBG_ECO_CNTL,

---
base-commit: 7bc29d5fb6faff2f547323c9ee8d3a0790cd2530
change-id: 20251126-ifpc_counters-e8d53fa3252e

Best regards,
-- 
Anna Maniscalco <anna.maniscalco2000@gmail.com>