Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 3.12 22/72] drm: add drm_set_preferred_mode | Date | Fri, 18 Apr 2014 11:21:55 +0200 |
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From: Gerd Hoffmann <kraxel@redhat.com>
3.12-stable review patch. If anyone has any objections, please let me know.
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commit 3cf70dafd7bbbc91df0a9ecb081d46f9f3d867f6 upstream.
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> Signed-off-by: Jiri Slaby <jslaby@suse.cz> --- drivers/gpu/drm/drm_edid.c | 13 +++++++++++++ include/drm/drm_crtc.h | 2 ++ 2 files changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index d0d3eae05a1a..1cb50268a224 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3296,6 +3296,19 @@ int drm_add_modes_noedid(struct drm_connector *connector, } EXPORT_SYMBOL(drm_add_modes_noedid); +void drm_set_preferred_mode(struct drm_connector *connector, + int hpref, int vpref) +{ + struct drm_display_mode *mode; + + list_for_each_entry(mode, &connector->probed_modes, head) { + if (drm_mode_width(mode) == hpref && + drm_mode_height(mode) == vpref) + mode->type |= DRM_MODE_TYPE_PREFERRED; + } +} +EXPORT_SYMBOL(drm_set_preferred_mode); + /** * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with * data from a DRM display mode diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 24f499569a2f..ec5d737f93c5 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1108,6 +1108,8 @@ 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); -- 1.9.2
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