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media: v4l2-core: v4l2-dv-timings: support DRM IFs 

Add support for DRM (Dynamic Range and Mastering) InfoFrames.

Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
pull/1354/merge
Hans Verkuil 2025-07-22 09:34:35 +02:00 committed by Mauro Carvalho Chehab
parent 34837c444c
commit 0b6cb34482
2 changed files with 5 additions and 0 deletions
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4
drivers/media/v4l2-core/v4l2-dv-timings.c
View File

@ -1226,6 +1226,7 @@ DEBUGFS_FOPS(avi, V4L2_DEBUGFS_IF_AVI);
DEBUGFS_FOPS(audio, V4L2_DEBUGFS_IF_AUDIO);
DEBUGFS_FOPS(spd, V4L2_DEBUGFS_IF_SPD);
DEBUGFS_FOPS(hdmi, V4L2_DEBUGFS_IF_HDMI);
DEBUGFS_FOPS(drm, V4L2_DEBUGFS_IF_DRM);
struct v4l2_debugfs_if *v4l2_debugfs_if_alloc(struct dentry *root, u32 if_types,
void *priv,
@ -1255,6 +1256,9 @@ struct v4l2_debugfs_if *v4l2_debugfs_if_alloc(struct dentry *root, u32 if_types,
if (if_types & V4L2_DEBUGFS_IF_HDMI)
debugfs_create_file("hdmi", 0400, infoframes->if_dir,
infoframes, &infoframe_hdmi_fops);
if (if_types & V4L2_DEBUGFS_IF_DRM)
debugfs_create_file("hdr_drm", 0400, infoframes->if_dir,
infoframes, &infoframe_drm_fops);
return infoframes;
}
EXPORT_SYMBOL_GPL(v4l2_debugfs_if_alloc);

1
include/media/v4l2-dv-timings.h
View File

@ -275,6 +275,7 @@ int v4l2_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port);
#define V4L2_DEBUGFS_IF_AUDIO BIT(1)
#define V4L2_DEBUGFS_IF_SPD BIT(2)
#define V4L2_DEBUGFS_IF_HDMI BIT(3)
#define V4L2_DEBUGFS_IF_DRM BIT(4)
typedef ssize_t (*v4l2_debugfs_if_read_t)(u32 type, void *priv,
struct file *filp, char __user *ubuf,