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drm/nouveau/kms: default to panel scaling, except for fixed panels prior to nv50 

On NV50 and up, we'll allow fixed panels to use EDID-provided modes
without the GPU scaler, and force scaling (even for NONE) otherwise.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
hifive-unleashed-5.1
Ben Skeggs 2014-12-22 18:19:45 +10:00
parent 7d95216e1c
commit 0ea5fe8a83
1 changed files with 9 additions and 5 deletions
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14
drivers/gpu/drm/nouveau/nouveau_connector.c
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@ -1199,14 +1199,18 @@ nouveau_connector_create(struct drm_device *dev, int index)
/* default scaling mode */
switch (nv_connector->type) {
case DCB_CONNECTOR_TV_0:
case DCB_CONNECTOR_TV_1:
case DCB_CONNECTOR_TV_3:
case DCB_CONNECTOR_VGA:
case DCB_CONNECTOR_LVDS:
case DCB_CONNECTOR_LVDS_SPWG:
case DCB_CONNECTOR_eDP:
/* see note in nouveau_connector_set_property() */
if (disp->disp.oclass < NV50_DISP) {
nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
break;
}
nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
break;
default:
nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
break;
}