diff options
| author | Jyri Sarha <jsarha@ti.com> | 2016-06-14 11:43:30 +0300 |
|---|---|---|
| committer | Jyri Sarha <jsarha@ti.com> | 2016-08-08 23:04:48 +0300 |
| commit | 8fe5616b20e5742bb5fee0e77dffe2fc76ac92a0 (patch) | |
| tree | 2d844f549f05617227929e765d590625787637cf /drivers/gpu/drm/tilcdc/tilcdc_crtc.c | |
| parent | 5c6c201ccbaf9d3901f829441d457293f7ca8ef4 (diff) | |
drm/tilcdc: Restore old dpms state in pm_resume()
Restore old dpms state in pm_resume(). The dpms is turned off in
pm_suspend() and it should be restored to its original state in
pm_resume(). Without this patch the display is left blanked after a
suspend/resume cycle.
Fixes commit 614b3cfeb8d2 ("drm/tilcdc: disable the lcd controller/dma
engine when suspend invoked")
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 107c8bd04f6d..1601428c9b8e 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -246,6 +246,13 @@ void tilcdc_crtc_dpms(struct drm_crtc *crtc, int mode) } } +int tilcdc_crtc_current_dpms_state(struct drm_crtc *crtc) +{ + struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); + + return tilcdc_crtc->dpms; +} + static bool tilcdc_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) |