diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-06-11 17:04:35 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-07-07 18:38:32 +1000 |
| commit | 5c8d7171cc4984351af802a525675d50ae555a7b (patch) | |
| tree | ed6337bff7e94fb3d2ef5fe96bd70e8882d6991e | |
| parent | a907a2e7d287f2b89fd81bc8edf164c0008c624f (diff) | |
| download | linux-5c8d7171cc4984351af802a525675d50ae555a7b.tar.bz2 | |
drm/kms: add crtc disable function
More explicit than dpms. Same as the encoder disable function.
Need this to explicity disconnect plls from crtcs for reuse when you
plls:crtcs ratio isn't 1:1.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 5 | ||||
| -rw-r--r-- | include/drm/drm_crtc_helper.h | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 9b2a54117c91..fa1323ff56b3 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -241,7 +241,10 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; crtc->enabled = drm_helper_crtc_in_use(crtc); if (!crtc->enabled) { - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); + if (crtc_funcs->disable) + (*crtc_funcs->disable)(crtc); + else + (*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF); crtc->fb = NULL; } } diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index 1121f7799c6f..7e3c9766acba 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -63,6 +63,9 @@ struct drm_crtc_helper_funcs { /* reload the current crtc LUT */ void (*load_lut)(struct drm_crtc *crtc); + + /* disable crtc when not in use - more explicit than dpms off */ + void (*disable)(struct drm_crtc *crtc); }; struct drm_encoder_helper_funcs { |