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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 65ef011fa8ba..1b49fa055f4f 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -373,11 +373,9 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
mutex_unlock(&dev->mode_config.mutex);
}
}
- if (dpms_mode == DRM_MODE_DPMS_OFF) {
- mutex_lock(&dev->mode_config.mutex);
- crtc_funcs->dpms(crtc, dpms_mode);
- mutex_unlock(&dev->mode_config.mutex);
- }
+ mutex_lock(&dev->mode_config.mutex);
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+ mutex_unlock(&dev->mode_config.mutex);
}
}
}
@@ -385,18 +383,23 @@ static void drm_fb_helper_off(struct fb_info *info, int dpms_mode)
int drm_fb_helper_blank(int blank, struct fb_info *info)
{
switch (blank) {
+ /* Display: On; HSync: On, VSync: On */
case FB_BLANK_UNBLANK:
drm_fb_helper_on(info);
break;
+ /* Display: Off; HSync: On, VSync: On */
case FB_BLANK_NORMAL:
- drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY);
+ drm_fb_helper_off(info, DRM_MODE_DPMS_ON);
break;
+ /* Display: Off; HSync: Off, VSync: On */
case FB_BLANK_HSYNC_SUSPEND:
drm_fb_helper_off(info, DRM_MODE_DPMS_STANDBY);
break;
+ /* Display: Off; HSync: On, VSync: Off */
case FB_BLANK_VSYNC_SUSPEND:
drm_fb_helper_off(info, DRM_MODE_DPMS_SUSPEND);
break;
+ /* Display: Off; HSync: Off, VSync: Off */
case FB_BLANK_POWERDOWN:
drm_fb_helper_off(info, DRM_MODE_DPMS_OFF);
break;
@@ -905,8 +908,13 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev,
if (new_fb) {
info->var.pixclock = 0;
- if (register_framebuffer(info) < 0)
+ ret = fb_alloc_cmap(&info->cmap, modeset->crtc->gamma_size, 0);
+ if (ret)
+ return ret;
+ if (register_framebuffer(info) < 0) {
+ fb_dealloc_cmap(&info->cmap);
return -EINVAL;
+ }
} else {
drm_fb_helper_set_par(info);
}
@@ -936,6 +944,7 @@ void drm_fb_helper_free(struct drm_fb_helper *helper)
unregister_sysrq_key('v', &sysrq_drm_fb_helper_restore_op);
}
drm_fb_helper_crtc_free(helper);
+ fb_dealloc_cmap(&helper->fb->fbdev->cmap);
}
EXPORT_SYMBOL(drm_fb_helper_free);