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Subject[PATCH v2, 04/12] media: mtk-vcodec: Read max resolution from dec_capability
Date
From: Yunfei Dong <yunfei.dong@mediatek.corp-partner.google.com>

Supported max resolution for different platforms are not the same: 2K
or 4K, getting it according to dec_capability.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
.../platform/mtk-vcodec/mtk_vcodec_dec.c | 31 +++++++++++--------
.../platform/mtk-vcodec/mtk_vcodec_drv.h | 4 +++
2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
index 87891ebd7246..ad7cb9d4f280 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
@@ -152,13 +152,15 @@ void mtk_vcodec_dec_set_default_params(struct mtk_vcodec_ctx *ctx)
q_data->coded_height = DFT_CFG_HEIGHT;
q_data->fmt = ctx->dev->vdec_pdata->default_cap_fmt;
q_data->field = V4L2_FIELD_NONE;
+ ctx->max_width = MTK_VDEC_MAX_W;
+ ctx->max_height = MTK_VDEC_MAX_H;

v4l_bound_align_image(&q_data->coded_width,
MTK_VDEC_MIN_W,
- MTK_VDEC_MAX_W, 4,
+ ctx->max_width, 4,
&q_data->coded_height,
MTK_VDEC_MIN_H,
- MTK_VDEC_MAX_H, 5, 6);
+ ctx->max_height, 5, 6);

q_data->sizeimage[0] = q_data->coded_width * q_data->coded_height;
q_data->bytesperline[0] = q_data->coded_width;
@@ -217,17 +219,17 @@ static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh,
}
}

-static int vidioc_try_fmt(struct v4l2_format *f,
- const struct mtk_video_fmt *fmt)
+static int vidioc_try_fmt(struct mtk_vcodec_ctx *ctx,
+ struct v4l2_format *f, const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;

pix_fmt_mp->field = V4L2_FIELD_NONE;

pix_fmt_mp->width =
- clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, MTK_VDEC_MAX_W);
+ clamp(pix_fmt_mp->width, MTK_VDEC_MIN_W, ctx->max_width);
pix_fmt_mp->height =
- clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, MTK_VDEC_MAX_H);
+ clamp(pix_fmt_mp->height, MTK_VDEC_MIN_H, ctx->max_height);

if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
pix_fmt_mp->num_planes = 1;
@@ -245,16 +247,16 @@ static int vidioc_try_fmt(struct v4l2_format *f,
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width,
MTK_VDEC_MIN_W,
- MTK_VDEC_MAX_W, 6,
+ ctx->max_width, 6,
&pix_fmt_mp->height,
MTK_VDEC_MIN_H,
- MTK_VDEC_MAX_H, 6, 9);
+ ctx->max_height, 6, 9);

if (pix_fmt_mp->width < tmp_w &&
- (pix_fmt_mp->width + 64) <= MTK_VDEC_MAX_W)
+ (pix_fmt_mp->width + 64) <= ctx->max_width)
pix_fmt_mp->width += 64;
if (pix_fmt_mp->height < tmp_h &&
- (pix_fmt_mp->height + 64) <= MTK_VDEC_MAX_H)
+ (pix_fmt_mp->height + 64) <= ctx->max_height)
pix_fmt_mp->height += 64;

mtk_v4l2_debug(0,
@@ -294,7 +296,7 @@ static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
fmt = mtk_vdec_find_format(f, dec_pdata);
}

- return vidioc_try_fmt(f, fmt);
+ return vidioc_try_fmt(ctx, f, fmt);
}

static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
@@ -317,7 +319,7 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
return -EINVAL;
}

- return vidioc_try_fmt(f, fmt);
+ return vidioc_try_fmt(ctx, f, fmt);
}

static int vidioc_vdec_g_selection(struct file *file, void *priv,
@@ -445,7 +447,7 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv,
return -EINVAL;

q_data->fmt = fmt;
- vidioc_try_fmt(f, q_data->fmt);
+ vidioc_try_fmt(ctx, f, q_data->fmt);
if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
q_data->sizeimage[0] = pix_mp->plane_fmt[0].sizeimage;
q_data->coded_width = pix_mp->width;
@@ -547,6 +549,9 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
fsize->stepwise.min_height,
fsize->stepwise.max_height,
fsize->stepwise.step_height);
+
+ ctx->max_width = fsize->stepwise.max_width;
+ ctx->max_height = fsize->stepwise.max_height;
return 0;
}

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 95e07cf2cd3e..0a128ad2d66a 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -288,6 +288,8 @@ struct vdec_pic_info {
* mtk_video_dec_buf.
* @hw_id: hardware index used to identify different hardware.
*
+ * @max_width: hardware supported max width
+ * @max_height: hardware supported max height
* @msg_queue: msg queue used to store lat buffer information.
*/
struct mtk_vcodec_ctx {
@@ -334,6 +336,8 @@ struct mtk_vcodec_ctx {
struct mutex lock;
int hw_id;

+ unsigned int max_width;
+ unsigned int max_height;
struct vdec_msg_queue msg_queue;
};

--
2.25.1
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