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drm/edid: abstract debugfs override EDID show better 

Add a function to dump the override EDID in debugfs. This hides the
override EDID management better in drm_edid.c.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/74defa7b595f51e6c1f2eacd9c799d567d29f053.1666614699.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-10-24 15:33:33 +03:00
parent 2c9332de05
commit 91ec9ab4a6
3 changed files with 16 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/drm_crtc_internal.h
View File

@ -56,9 +56,10 @@ struct drm_plane;
struct drm_plane_state;
struct drm_property;
struct edid;
struct kref;
struct work_struct;
struct fwnode_handle;
struct kref;
struct seq_file;
struct work_struct;
/* drm_crtc.c */
int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
@ -286,5 +287,6 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
/* drm_edid.c */
void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m);
int drm_edid_override_set(struct drm_connector *connector, const void *edid, size_t size);
int drm_edid_override_reset(struct drm_connector *connector);

8
drivers/gpu/drm/drm_debugfs.c
View File

@ -328,13 +328,7 @@ static ssize_t connector_write(struct file *file, const char __user *ubuf,
static int edid_show(struct seq_file *m, void *data)
{
struct drm_connector *connector = m->private;
struct drm_property_blob *edid = connector->edid_blob_ptr;
if (connector->override_edid && edid)
seq_write(m, edid->data, edid->length);
return 0;
return drm_edid_override_show(m->private, m);
}
static int edid_open(struct inode *inode, struct file *file)

11
drivers/gpu/drm/drm_edid.c
View File

@ -2183,6 +2183,17 @@ static struct edid *drm_get_override_edid(struct drm_connector *connector,
return IS_ERR(override) ? NULL : override;
}
/* For debugfs edid_override implementation */
int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m)
{
struct drm_property_blob *edid = connector->edid_blob_ptr;
if (connector->override_edid && edid)
seq_write(m, edid->data, edid->length);
return 0;
}
/* For debugfs edid_override implementation */
int drm_edid_override_set(struct drm_connector *connector, const void *edid,
size_t size)