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authorJames Simmons <jsimmons@infradead.org>2009-10-29 23:39:07 +0300
committerDave Airlie <airlied@redhat.com>2009-11-19 05:51:56 +0300
commit731b5a15a3b1474a41c2ca29b4c32b0f21bc852e (patch)
treee7956b7cfcf375b4bb68712fe818e7e1b957a08f
parentd91d8a3f88059d93e34ac70d059153ec69a9ffc7 (diff)
downloadlinux-731b5a15a3b1474a41c2ca29b4c32b0f21bc852e.tar.xz
drm/kms: properly handle fbdev blanking
I examined several fbdev drivers and foudn the blanking code in drm_fb_helper to be wrong. This patch fixes the fbdev blanking to behave like other fbdev drivers. Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 9c924614c418..ea336d2f6529 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;