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drm: move edid property update and add modes out of edid firmware loader 

Make the firmware loader more generic and generally useful.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487344854-18777-2-git-send-email-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2017-02-17 17:20:51 +02:00
parent fb70046cf1
commit 07c2b84b99
3 changed files with 15 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/drm/drm_edid_load.c
View File

@ -256,15 +256,14 @@ static void *edid_load(struct drm_connector *connector, const char *name,
return edid;
}
int drm_load_edid_firmware(struct drm_connector *connector)
struct edid *drm_load_edid_firmware(struct drm_connector *connector)
{
const char *connector_name = connector->name;
char *edidname, *last, *colon, *fwstr, *edidstr, *fallback = NULL;
int ret;
struct edid *edid;
if (edid_firmware[0] == '\0')
return 0;
return ERR_PTR(-ENOENT);
/*
* If there are multiple edid files specified and separated
@ -293,7 +292,7 @@ int drm_load_edid_firmware(struct drm_connector *connector)
if (!edidname) {
if (!fallback) {
kfree(fwstr);
return 0;
return ERR_PTR(-ENOENT);
}
edidname = fallback;
}
@ -305,13 +304,5 @@ int drm_load_edid_firmware(struct drm_connector *connector)
edid = edid_load(connector, edidname, connector_name);
kfree(fwstr);
if (IS_ERR_OR_NULL(edid))
return 0;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
kfree(edid);
return ret;
return edid;
}

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

@ -311,7 +311,13 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
count = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
} else {
count = drm_load_edid_firmware(connector);
struct edid *edid = drm_load_edid_firmware(connector);
if (!IS_ERR_OR_NULL(edid)) {
drm_mode_connector_update_edid_property(connector, edid);
count = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
kfree(edid);
}
if (count == 0)
count = (*connector_funcs->get_modes)(connector);
}

7
include/drm/drm_edid.h
View File

@ -331,11 +331,12 @@ int drm_av_sync_delay(struct drm_connector *connector,
const struct drm_display_mode *mode);
#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
int drm_load_edid_firmware(struct drm_connector *connector);
struct edid *drm_load_edid_firmware(struct drm_connector *connector);
#else
static inline int drm_load_edid_firmware(struct drm_connector *connector)
static inline struct edid *
drm_load_edid_firmware(struct drm_connector *connector)
{
return 0;
return ERR_PTR(-ENOENT);
}
#endif