From: Alexandre Courbot Date: Tue, 4 Jun 2019 09:37:36 +0000 (-0400) Subject: media: mtk-vcodec: constify formats X-Git-Tag: v5.3-rc1~170^2~209 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0a7ff71e223fbf8d22a6db156a67482c77d5121a;p=linux.git media: mtk-vcodec: constify formats Formats are read-only internal memory structures, so make them const. Signed-off-by: Alexandre Courbot Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c index 344c94b33b0d..6ac3fa439b41 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c @@ -19,7 +19,7 @@ #define DFT_CFG_WIDTH MTK_VDEC_MIN_W #define DFT_CFG_HEIGHT MTK_VDEC_MIN_H -static struct mtk_video_fmt mtk_video_formats[] = { +static const struct mtk_video_fmt mtk_video_formats[] = { { .fourcc = V4L2_PIX_FMT_H264, .type = MTK_FMT_DEC, @@ -63,9 +63,9 @@ static const struct mtk_codec_framesizes mtk_vdec_framesizes[] = { #define NUM_SUPPORTED_FRAMESIZE ARRAY_SIZE(mtk_vdec_framesizes) #define NUM_FORMATS ARRAY_SIZE(mtk_video_formats) -static struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f) +static const struct mtk_video_fmt *mtk_vdec_find_format(struct v4l2_format *f) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; unsigned int k; for (k = 0; k < NUM_FORMATS; k++) { @@ -266,7 +266,7 @@ static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx) static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx, unsigned int pixelformat) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; struct mtk_q_data *dst_q_data; unsigned int k; @@ -639,7 +639,8 @@ static int vidioc_vdec_subscribe_evt(struct v4l2_fh *fh, } } -static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt) +static int vidioc_try_fmt(struct v4l2_format *f, + const struct mtk_video_fmt *fmt) { struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; int i; @@ -712,7 +713,7 @@ static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt) static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; fmt = mtk_vdec_find_format(f); if (!fmt) { @@ -727,7 +728,7 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f) { struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; fmt = mtk_vdec_find_format(f); if (!fmt) { @@ -821,7 +822,7 @@ static int vidioc_vdec_s_fmt(struct file *file, void *priv, struct v4l2_pix_format_mplane *pix_mp; struct mtk_q_data *q_data; int ret = 0; - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; mtk_v4l2_debug(3, "[%d]", ctx->id); @@ -920,7 +921,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv, static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; int i, j = 0; for (i = 0; i < NUM_FORMATS; i++) { diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index d7b43caf7988..7306aeabe229 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -124,7 +124,7 @@ struct mtk_q_data { enum v4l2_field field; unsigned int bytesperline[MTK_VCODEC_MAX_PLANES]; unsigned int sizeimage[MTK_VCODEC_MAX_PLANES]; - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; }; /** diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index c1d010723053..67e8a023ef41 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -24,7 +24,7 @@ static void mtk_venc_worker(struct work_struct *work); -static struct mtk_video_fmt mtk_video_formats[] = { +static const struct mtk_video_fmt mtk_video_formats[] = { { .fourcc = V4L2_PIX_FMT_NV12M, .type = MTK_FMT_FRAME, @@ -153,7 +153,7 @@ static const struct v4l2_ctrl_ops mtk_vcodec_enc_ctrl_ops = { static int vidioc_enum_fmt(struct v4l2_fmtdesc *f, bool output_queue) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; int i, j = 0; for (i = 0; i < NUM_FORMATS; ++i) { @@ -261,9 +261,9 @@ static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx, return &ctx->q_data[MTK_Q_DATA_DST]; } -static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f) +static const struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; unsigned int k; for (k = 0; k < NUM_FORMATS; k++) { @@ -278,7 +278,8 @@ static struct mtk_video_fmt *mtk_venc_find_format(struct v4l2_format *f) /* V4L2 specification suggests the driver corrects the format struct if any of * the dimensions is unsupported */ -static int vidioc_try_fmt(struct v4l2_format *f, struct mtk_video_fmt *fmt) +static int vidioc_try_fmt(struct v4l2_format *f, + const struct mtk_video_fmt *fmt) { struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; int i; @@ -414,7 +415,7 @@ static int vidioc_venc_s_fmt_cap(struct file *file, void *priv, struct vb2_queue *vq; struct mtk_q_data *q_data; int i, ret; - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); if (!vq) { @@ -476,7 +477,7 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv, struct vb2_queue *vq; struct mtk_q_data *q_data; int ret, i; - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); @@ -575,7 +576,7 @@ static int vidioc_venc_g_fmt(struct file *file, void *priv, static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, struct v4l2_format *f) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv); fmt = mtk_venc_find_format(f); @@ -594,7 +595,7 @@ static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv, static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv, struct v4l2_format *f) { - struct mtk_video_fmt *fmt; + const struct mtk_video_fmt *fmt; fmt = mtk_venc_find_format(f); if (!fmt) {