Re: [PATCH v4 4/5] media: qcom: iris: increase H265D_MAX_SLICE to fix H.265 decoding on SC7280
From: Vikash Garodia
Date: Mon Feb 02 2026 - 05:41:59 EST
On 1/31/2026 7:28 PM, Dmitry Baryshkov wrote:
Follow the commit bfe1326573ff ("venus: Fix for H265 decoding failure.")
and increase H265D_MAX_SLICE following firmware requirements on that
platform. Otherwise decoding of the H.265 streams fails withthe
"insufficient scratch_1 buffer size" from the firmware.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/qcom/iris/iris_vpu_buffer.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_buffer.h b/drivers/media/platform/qcom/iris/iris_vpu_buffer.h
index 12640eb5ed8c..8c0d6b7b5de8 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_buffer.h
+++ b/drivers/media/platform/qcom/iris/iris_vpu_buffer.h
@@ -67,7 +67,7 @@ struct iris_inst;
#define SIZE_DOLBY_RPU_METADATA (41 * 1024)
#define H264_CABAC_HDR_RATIO_HD_TOT 1
#define H264_CABAC_RES_RATIO_HD_TOT 3
-#define H265D_MAX_SLICE 1200
+#define H265D_MAX_SLICE 3600
#define SIZE_H265D_HW_PIC_T SIZE_H264D_HW_PIC_T
#define H265_CABAC_HDR_RATIO_HD_TOT 2
#define H265_CABAC_RES_RATIO_HD_TOT 2
Reviewed-by: Vikash Garodia <vikash.garodia@xxxxxxxxxxxxxxxx>