Commit eccaca28 authored by Ben Skeggs's avatar Ben Skeggs Committed by Dave Airlie
Browse files

drm: export drm_find_cea_extension to drivers 



Nouveau needs access to this structure to build an ELD block for use
by the HDA audio codec.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 97ea530f

drivers/gpu/drm/drm_edid.c

+2 −1
Original line number Diff line number Diff line
@@ -1297,7 +1297,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid, 
/**

 * Search EDID for CEA extension block.

 */

static u8 *drm_find_cea_extension(struct edid *edid)

u8 *drm_find_cea_extension(struct edid *edid)

{

	u8 *edid_ext = NULL;

	int i;
@@ -1318,6 +1318,7 @@ static u8 *drm_find_cea_extension(struct edid *edid) 


	return edid_ext;

}

EXPORT_SYMBOL(drm_find_cea_extension);



/**

 * drm_detect_hdmi_monitor - detect whether monitor is hdmi.

include/drm/drm_crtc.h

+1 −0
Original line number Diff line number Diff line
@@ -778,6 +778,7 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, 
				    void *data, struct drm_file *file_priv);

extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,

				    void *data, struct drm_file *file_priv);

extern u8 *drm_find_cea_extension(struct edid *edid);

extern bool drm_detect_hdmi_monitor(struct edid *edid);

extern bool drm_detect_monitor_audio(struct edid *edid);

extern int drm_mode_page_flip_ioctl(struct drm_device *dev,