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drm: add drm_set_preferred_mode

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New helper function to set the preferred video mode.  Can be called
after drm_add_modes_noedid if you don't want the largest supported
video mode be used by default.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Gerd Hoffmann
2013-10-11 10:01:08 +02:00
committed by Dave Airlie
parent 23c453a4af
commit 3cf70dafd7
2 changed files with 15 additions and 0 deletions
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2
include/drm/drm_crtc.h
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@@ -1118,6 +1118,8 @@ extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
int GTF_2C, int GTF_K, int GTF_2J);
extern int drm_add_modes_noedid(struct drm_connector *connector,
int hdisplay, int vdisplay);
extern void drm_set_preferred_mode(struct drm_connector *connector,
int hpref, int vpref);
extern int drm_edid_header_is_valid(const u8 *raw_edid);
extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);