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drm/nouveau/dp: remove broken display depth function, use the improved one 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-11-15 14:31:13 +10:00
parent c37e99050c
commit d4c2c99bdc
1 changed files with 12 additions and 22 deletions
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34
drivers/gpu/drm/nouveau/nouveau_connector.c
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@ -78,23 +78,6 @@ nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
return NULL;
}
/*TODO: This could use improvement, and learn to handle the fixed
* BIOS tables etc. It's fine currently, for its only user.
*/
int
nouveau_connector_bpp(struct drm_connector *connector)
{
struct nouveau_connector *nv_connector = nouveau_connector(connector);
if (nv_connector->edid && nv_connector->edid->revision >= 4) {
u8 bpc = ((nv_connector->edid->input & 0x70) >> 3) + 4;
if (bpc > 4)
return bpc;
}
return 18;
}
static void
nouveau_connector_destroy(struct drm_connector *connector)
{
@ -714,6 +697,12 @@ nouveau_connector_get_modes(struct drm_connector *connector)
nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
}
/* Determine display colour depth for everything except LVDS now,
* DP requires this before mode_valid() is called.
*/
if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
nouveau_connector_detect_depth(connector);
/* Find the native mode if this is a digital panel, if we didn't
* find any modes through DDC previously add the native mode to
* the list of modes.
@ -729,11 +718,12 @@ nouveau_connector_get_modes(struct drm_connector *connector)
ret = 1;
}
/* Attempt to determine display colour depth, this has to happen after
* we've determined the "native" mode for LVDS, as the VBIOS tables
* require us to compare against a pixel clock in some cases..
/* Determine LVDS colour depth, must happen after determining
* "native" mode as some VBIOS tables require us to use the
* pixel clock as part of the lookup...
*/
nouveau_connector_detect_depth(connector);
if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
nouveau_connector_detect_depth(connector);
if (nv_encoder->dcb->type == OUTPUT_TV)
ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
@ -799,7 +789,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
case OUTPUT_DP:
max_clock = nv_encoder->dp.link_nr;
max_clock *= nv_encoder->dp.link_bw;
clock = clock * nouveau_connector_bpp(connector) / 10;
clock = clock * (connector->display_info.bpc * 3) / 10;
break;
default:
BUG_ON(1);