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drm: export drm_find_cea_extension to drivers

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

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ben Skeggs
2011-03-30 05:03:47 +00:00
committed by Dave Airlie
parent 97ea530f6f
commit eccaca28e2
2 changed files with 3 additions and 1 deletions
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3
drivers/gpu/drm/drm_edid.c
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@@ -1297,7 +1297,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid,
/** /**
* Search EDID for CEA extension block. * 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; u8 *edid_ext = NULL;
int i; int i;
@@ -1318,6 +1318,7 @@ static u8 *drm_find_cea_extension(struct edid *edid)
return edid_ext; return edid_ext;
} }
EXPORT_SYMBOL(drm_find_cea_extension);
/** /**
* drm_detect_hdmi_monitor - detect whether monitor is hdmi. * drm_detect_hdmi_monitor - detect whether monitor is hdmi.

1
include/drm/drm_crtc.h
View File

@@ -778,6 +778,7 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv); void *data, struct drm_file *file_priv);
extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv); 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_hdmi_monitor(struct edid *edid);
extern bool drm_detect_monitor_audio(struct edid *edid); extern bool drm_detect_monitor_audio(struct edid *edid);
extern int drm_mode_page_flip_ioctl(struct drm_device *dev, extern int drm_mode_page_flip_ioctl(struct drm_device *dev,