diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-10-10 05:21:59 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-11-18 14:38:15 +1000 |
| commit | 327ceae6643ddafb0c514183f00e7fc8ca6b6e99 (patch) | |
| tree | 874858ccb967e154361279270d87ca4daf9b5562 /drivers/gpu/drm/nouveau/nv04_dfp.c | |
| parent | 1f5bd44354c878cf8bb0e28a7cb27677e3640c45 (diff) | |
| download | linux-327ceae6643ddafb0c514183f00e7fc8ca6b6e99.tar.gz | |
drm/nv04-nv40: Fall back to panel rescaling if we have no usable native mode.
This allows the user to set a mode larger than the native one, useful if we had trouble finding the actual native mode (e.g. because it goes above the hardware bandwidth limits). Reported-by: Grzesiek Sójka <pld@pfu.pl> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_dfp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_dfp.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index c936403b26e2..ef23550407b5 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -185,14 +185,15 @@ static bool nv04_dfp_mode_fixup(struct drm_encoder *encoder, struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_connector *nv_connector = nouveau_encoder_connector_get(nv_encoder); - /* For internal panels and gpu scaling on DVI we need the native mode */ - if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) { - if (!nv_connector->native_mode) - return false; + if (!nv_connector->native_mode || + nv_connector->scaling_mode == DRM_MODE_SCALE_NONE || + mode->hdisplay > nv_connector->native_mode->hdisplay || + mode->vdisplay > nv_connector->native_mode->vdisplay) { + nv_encoder->mode = *adjusted_mode; + + } else { nv_encoder->mode = *nv_connector->native_mode; adjusted_mode->clock = nv_connector->native_mode->clock; - } else { - nv_encoder->mode = *adjusted_mode; } return true; |