[PATCH 02/20] media: iris: Update CAPTURE format info based on OUTPUT format

From: Dikshita Agarwal
Date: Tue Apr 08 2025 - 12:00:01 EST


Update the width, height and buffer size of CAPTURE based on the
resolution set to OUTPUT via VIDIOC_S_FMT. This is required to set the
updated capture resolution to firmware when S_FMT is called only for
OUTPUT.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: b530b95de22c ("media: iris: implement s_fmt, g_fmt and try_fmt ioctls")
Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
---
drivers/media/platform/qcom/iris/iris_vdec.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/media/platform/qcom/iris/iris_vdec.c b/drivers/media/platform/qcom/iris/iris_vdec.c
index 4143acedfc57..c5d85936b3ae 100644
--- a/drivers/media/platform/qcom/iris/iris_vdec.c
+++ b/drivers/media/platform/qcom/iris/iris_vdec.c
@@ -171,6 +171,11 @@ int iris_vdec_s_fmt(struct iris_inst *inst, struct v4l2_format *f)
output_fmt->fmt.pix_mp.ycbcr_enc = f->fmt.pix_mp.ycbcr_enc;
output_fmt->fmt.pix_mp.quantization = f->fmt.pix_mp.quantization;

+ /* Update capture format based on new ip w/h */
+ output_fmt->fmt.pix_mp.width = ALIGN(f->fmt.pix_mp.width, 128);
+ output_fmt->fmt.pix_mp.height = ALIGN(f->fmt.pix_mp.height, 32);
+ inst->buffers[BUF_OUTPUT].size = iris_get_buffer_size(inst, BUF_OUTPUT);
+
inst->crop.left = 0;
inst->crop.top = 0;
inst->crop.width = f->fmt.pix_mp.width;

--
2.34.1