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modesetting: Add helper to force restore modes on crtcs at resume time

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This commit is contained in:
Dave Airlie 2008-09-18 09:59:08 +10:00
parent e23d5c03c4
commit 1062d8dcff
2 changed files with 19 additions and 2 deletions
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18
linux-core/drm_crtc_helper.c
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@ -785,4 +785,22 @@ int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
}
EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct);
int drm_helper_resume_force_mode(struct drm_device *dev)
{
struct drm_crtc *crtc;
int ret;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (!crtc->enabled)
continue;
ret = drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
crtc->y);
if (ret == false)
DRM_ERROR("failed to set mode on crtc %p\n", crtc);
}
return 0;
}
EXPORT_SYMBOL(drm_helper_resume_force_mode);

3
linux-core/drm_crtc_helper.h
View file

@ -92,6 +92,5 @@ static inline void drm_connector_helper_add(struct drm_connector *connector, con
connector->helper_private = (void *)funcs;
}
extern int drm_get_buffer_object(struct drm_device *dev, struct drm_buffer_object **bo, unsigned long handle);
extern int drm_helper_resume_force_mode(struct drm_device *dev);
#endif