diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index c8ac9482cf2e..d13f50db765d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -458,6 +458,28 @@ nouveau_connector_set_property(struct drm_connector *connector, switch (value) { case DRM_MODE_SCALE_NONE: + /* We allow 'None' for EDID modes, even on a fixed + * panel (some exist with support for lower refresh + * rates, which people might want to use for power + * saving purposes). + * + * Non-EDID modes will force the use of GPU scaling + * to the native mode regardless of this setting. + */ + switch (nv_connector->type) { + case DCB_CONNECTOR_LVDS: + case DCB_CONNECTOR_LVDS_SPWG: + case DCB_CONNECTOR_eDP: + /* ... except prior to G80, where the code + * doesn't support such things. + */ + if (disp->disp.oclass < NV50_DISP) + return -EINVAL; + break; + default: + break; + } + break; case DRM_MODE_SCALE_FULLSCREEN: case DRM_MODE_SCALE_CENTER: case DRM_MODE_SCALE_ASPECT: @@ -466,11 +488,6 @@ nouveau_connector_set_property(struct drm_connector *connector, return -EINVAL; } - /* LVDS always needs gpu scaling */ - if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && - value == DRM_MODE_SCALE_NONE) - return -EINVAL; - /* Changing between GPU and panel scaling requires a full * modeset */ @@ -662,8 +679,6 @@ nouveau_connector_scaler_modes_add(struct drm_connector *connector) if (!m) continue; - m->type |= DRM_MODE_TYPE_DRIVER; - drm_mode_probed_add(connector, m); modes++; } |