diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-07-20 03:08:25 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-07-26 11:42:42 +1000 |
| commit | 03cd06ca9046190e8418749c2c8f636e2625556c (patch) | |
| tree | 632eaef04358ff0e1e4c0d1078d23d8ca09d4b41 /drivers/gpu/drm/nouveau/nouveau_connector.c | |
| parent | d06ab841d14f3747823e88e5172047367e051a32 (diff) | |
drm/nouveau: No need to lock/unlock the VGA CRTC regs all the time.
Locking only makes sense in the VBIOS parsing code as it's executed
before CRTC init.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 50 |
1 files changed, 4 insertions, 46 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 27df0063131..734e92635e8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -102,44 +102,12 @@ nouveau_connector_destroy(struct drm_connector *drm_connector) kfree(drm_connector); } -static void -nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags) -{ - struct drm_nouveau_private *dev_priv = connector->dev->dev_private; - - if (dev_priv->card_type >= NV_50) - return; - - *flags = 0; - if (NVLockVgaCrtcs(dev_priv->dev, false)) - *flags |= 1; - if (nv_heads_tied(dev_priv->dev)) - *flags |= 2; - - if (*flags & 2) - NVSetOwner(dev_priv->dev, 0); /* necessary? */ -} - -static void -nouveau_connector_ddc_finish(struct drm_connector *connector, int flags) -{ - struct drm_nouveau_private *dev_priv = connector->dev->dev_private; - - if (dev_priv->card_type >= NV_50) - return; - - if (flags & 2) - NVSetOwner(dev_priv->dev, 4); - if (flags & 1) - NVLockVgaCrtcs(dev_priv->dev, true); -} - static struct nouveau_i2c_chan * nouveau_connector_ddc_detect(struct drm_connector *connector, struct nouveau_encoder **pnv_encoder) { struct drm_device *dev = connector->dev; - int ret, flags, i; + int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { struct nouveau_i2c_chan *i2c; @@ -155,17 +123,9 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, if (!obj) continue; nv_encoder = nouveau_encoder(obj_to_encoder(obj)); + i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); - if (nv_encoder->dcb->i2c_index < 0xf) - i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); - if (!i2c) - continue; - - nouveau_connector_ddc_prepare(connector, &flags); - ret = nouveau_probe_i2c_addr(i2c, 0x50); - nouveau_connector_ddc_finish(connector, flags); - - if (ret) { + if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) { *pnv_encoder = nv_encoder; return i2c; } @@ -218,7 +178,7 @@ nouveau_connector_detect(struct drm_connector *connector) struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_encoder *nv_encoder = NULL; struct nouveau_i2c_chan *i2c; - int type, flags; + int type; /* Cleanup the previous EDID block. */ if (nv_connector->edid) { @@ -229,9 +189,7 @@ nouveau_connector_detect(struct drm_connector *connector) i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); if (i2c) { - nouveau_connector_ddc_prepare(connector, &flags); nv_connector->edid = drm_get_edid(connector, &i2c->adapter); - nouveau_connector_ddc_finish(connector, flags); drm_mode_connector_update_edid_property(connector, nv_connector->edid); if (!nv_connector->edid) { |