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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-22 16:42:02 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-03-13 12:48:31 +0100 |
| commit | aa4cd9100e0709ea0bc6f85090188ace895e51fe (patch) | |
| tree | df2acc5548cdd33ce65c9116ad07a337a34bc273 /drivers/gpu/drm/drm_crtc_helper.c | |
| parent | e1f8ebdcc230a9ff9e9e17707c22a5f0a5a885ee (diff) | |
| download | lwn-aa4cd9100e0709ea0bc6f85090188ace895e51fe.tar.gz lwn-aa4cd9100e0709ea0bc6f85090188ace895e51fe.zip | |
drm/doc: Document drm_helper_resume_force_mode
Stumbled over while reviewing all occurences in the DRM doc talking
about suspend/resume.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index ea92b827e787..85d476abea6c 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -943,6 +943,15 @@ int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb, } EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct); +/** + * drm_helper_resume_force_mode - force-restore mode setting configuration + * @dev: drm_device which should be restored + * + * Drivers which use the mode setting helpers can use this function to + * force-restore the mode setting configuration e.g. on resume or when something + * else might have trampled over the hw state (like some overzealous old BIOSen + * tended to do). + */ int drm_helper_resume_force_mode(struct drm_device *dev) { struct drm_crtc *crtc; |