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authorJani Nikula <jani.nikula@intel.com>2017-02-17 17:20:51 +0200
committerJani Nikula <jani.nikula@intel.com>2017-02-21 15:41:24 +0200
commit07c2b84b9956dd5d0871d47f5f0bbf9388d2d83f (patch)
treea17daf31459a45c03965b507ed7668556d3f5acc
parentdrm/virtio: call drm_plane_cleanup() at destroy phase (diff)
downloadlinux-dev-07c2b84b9956dd5d0871d47f5f0bbf9388d2d83f.tar.xz
linux-dev-07c2b84b9956dd5d0871d47f5f0bbf9388d2d83f.zip
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
-rw-r--r--drivers/gpu/drm/drm_edid_load.c17
-rw-r--r--drivers/gpu/drm/drm_probe_helper.c8
-rw-r--r--include/drm/drm_edid.h7
3 files changed, 15 insertions, 17 deletions
diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c
index 622f788bff46..1c0495acf341 100644
--- a/drivers/gpu/drm/drm_edid_load.c
+++ b/drivers/gpu/drm/drm_edid_load.c
@@ -256,15 +256,14 @@ out:
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;
}
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 93381454bdf7..358957118ca9 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -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);
}
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 43fb0ac5eb9c..a55eea4afb61 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -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