diff options
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 1ace9c11a3ed..738a4294d820 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -754,12 +754,6 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) ret = -EINVAL; goto fail; } - DRM_DEBUG_KMS("Setting connector DPMS state to on\n"); - for (i = 0; i < set->num_connectors; i++) { - DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id, - drm_get_connector_name(set->connectors[i])); - set->connectors[i]->funcs->dpms(set->connectors[i], DRM_MODE_DPMS_ON); - } } drm_helper_disable_unused_functions(dev); } else if (fb_changed) { @@ -777,6 +771,22 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) } } + /* + * crtc set_config helpers implicit set the crtc and all connected + * encoders to DPMS on for a full mode set. But for just an fb update it + * doesn't do that. To not confuse userspace, do an explicit DPMS_ON + * unconditionally. This will also ensure driver internal dpms state is + * consistent again. + */ + if (set->crtc->enabled) { + DRM_DEBUG_KMS("Setting connector DPMS state to on\n"); + for (i = 0; i < set->num_connectors; i++) { + DRM_DEBUG_KMS("\t[CONNECTOR:%d:%s] set DPMS on\n", set->connectors[i]->base.id, + drm_get_connector_name(set->connectors[i])); + set->connectors[i]->funcs->dpms(set->connectors[i], DRM_MODE_DPMS_ON); + } + } + kfree(save_connectors); kfree(save_encoders); kfree(save_crtcs); |