iris_vpu4x_enc_line_size was reading resolutions directly from
inst->fmt_dst. Use iris_vpu_enc_get_bitstream_{width,height}() which
account for the 90/270-degree rotation case.

Fixes: df816dce1b01 ("media: iris: Introduce buffer size calculations for vpu4")
Signed-off-by: Wangao Wang <wangao.wang@oss.qualcomm.com>
---
 drivers/media/platform/qcom/iris/iris_vpu_buffer.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/qcom/iris/iris_vpu_buffer.c b/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
index faebb54728660cc621f8822dabf2e44ce8c55c58..b3aa495ab371fffa351c61b3410e26a50bd11a94 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
@@ -2042,9 +2042,8 @@ static u32 iris_vpu4x_enc_line_size(struct iris_inst *inst)
 {
 	u32 num_vpp_pipes = inst->core->iris_platform_data->num_vpp_pipe;
 	u32 lcu_size = inst->codec == V4L2_PIX_FMT_HEVC ? 32 : 16;
-	struct v4l2_format *f = inst->fmt_dst;
-	u32 height = f->fmt.pix_mp.height;
-	u32 width = f->fmt.pix_mp.width;
+	u32 height = iris_vpu_enc_get_bitstream_height(inst);
+	u32 width = iris_vpu_enc_get_bitstream_width(inst);
 
 	return hfi_vpu4x_buffer_line_enc(width, height, 0, num_vpp_pipes,
 					 lcu_size, inst->codec);

---
base-commit: 5c4d4169604b335c38bbc79bc1fc03042981fc6f
change-id: 20260922-vpu4x_enc_line_size_fix-2c62a0cba17d

Best regards,
-- 
Wangao Wang <wangao.wang@oss.qualcomm.com>

On 9/22/2026 8:58 AM, Wangao Wang wrote:
> iris_vpu4x_enc_line_size was reading resolutions directly from
> inst->fmt_dst. Use iris_vpu_enc_get_bitstream_{width,height}() which
> account for the 90/270-degree rotation case.
> 
> Fixes: df816dce1b01 ("media: iris: Introduce buffer size calculations for vpu4")
> Signed-off-by: Wangao Wang<wangao.wang@oss.qualcomm.com>
> ---
>   drivers/media/platform/qcom/iris/iris_vpu_buffer.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)

Reviewed-by: Vikash Garodia <vikash.garodia@oss.qualcomm.com>