diff options
Diffstat (limited to 'drivers/gpu/drm/sti/sti_mixer.c')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_mixer.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c index 79f369db9fb..6bcdf3f86d2 100644 --- a/drivers/gpu/drm/sti/sti_mixer.c +++ b/drivers/gpu/drm/sti/sti_mixer.c @@ -215,6 +215,15 @@ int sti_mixer_set_layer_status(struct sti_mixer *mixer, return 0; } +void sti_mixer_clear_all_layers(struct sti_mixer *mixer) +{ + u32 val; + + DRM_DEBUG_DRIVER("%s clear all layer\n", sti_mixer_to_str(mixer)); + val = sti_mixer_reg_read(mixer, GAM_MIXER_CTL) & 0xFFFF0000; + sti_mixer_reg_write(mixer, GAM_MIXER_CTL, val); +} + void sti_mixer_set_matrix(struct sti_mixer *mixer) { unsigned int i; |