diff options
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 29 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 24 |
3 files changed, 44 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index c8ac948..d13f50d 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++; } diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h index 629a380..a2d0991 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.h +++ b/drivers/gpu/drm/nouveau/nouveau_connector.h @@ -72,6 +72,7 @@ struct nouveau_connector { int dithering_mode; int dithering_depth; int scaling_mode; + bool scaling_full; enum nouveau_underscan_type underscan; u32 underscan_hborder; u32 underscan_vborder; diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 4f544f3..85cc667 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -729,8 +729,11 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) * effectively handles NONE/FULL scaling */ nv_connector = nouveau_crtc_connector_get(nv_crtc); - if (nv_connector && nv_connector->native_mode) + if (nv_connector && nv_connector->native_mode) { mode = nv_connector->scaling_mode; + if (nv_connector->scaling_full) /* non-EDID LVDS/eDP mode */ + mode = DRM_MODE_SCALE_FULLSCREEN; + } if (mode != DRM_MODE_SCALE_NONE) omode = nv_connector->native_mode; @@ -1478,8 +1481,23 @@ nv50_encoder_mode_fixup(struct drm_encoder *encoder, nv_connector = nouveau_encoder_connector_get(nv_encoder); if (nv_connector && nv_connector->native_mode) { - if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) - drm_mode_copy(adjusted_mode, nv_connector->native_mode); + nv_connector->scaling_full = false; + if (nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) { + switch (nv_connector->type) { + case DCB_CONNECTOR_LVDS: + case DCB_CONNECTOR_LVDS_SPWG: + case DCB_CONNECTOR_eDP: + /* force use of scaler for non-edid modes */ + if (adjusted_mode->type & DRM_MODE_TYPE_DRIVER) + return true; + nv_connector->scaling_full = true; + break; + default: + return true; + } + } + + drm_mode_copy(adjusted_mode, nv_connector->native_mode); } return true; |