summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau
diff options
context:
space:
mode:
authorBen Skeggs <bskeggs@redhat.com>2012-03-11 16:13:49 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-03-13 17:15:05 +1000
commitc674844bab6df084ef1c93d65925af6e1bfb06a0 (patch)
treeaf0688ca755f577c3bed0092448289b17394b41e /drivers/gpu/drm/nouveau
parent6e83fda2c055f17780b2feef404f06803a49a261 (diff)
drm/nvd0/disp: fix dcb sor link matching in supervisor handler
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/nvd0_display.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index 1723733ad9fa..3c2543190bb8 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1567,19 +1567,19 @@ static struct dcb_entry *
lookup_dcb(struct drm_device *dev, int id, u32 mc)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- int type, or, i;
+ int type, or, i, link = -1;
if (id < 4) {
type = OUTPUT_ANALOG;
or = id;
} else {
switch (mc & 0x00000f00) {
- case 0x00000000: type = OUTPUT_LVDS; break;
- case 0x00000100: type = OUTPUT_TMDS; break;
- case 0x00000200: type = OUTPUT_TMDS; break;
- case 0x00000500: type = OUTPUT_TMDS; break;
- case 0x00000800: type = OUTPUT_DP; break;
- case 0x00000900: type = OUTPUT_DP; break;
+ case 0x00000000: link = 0; type = OUTPUT_LVDS; break;
+ case 0x00000100: link = 0; type = OUTPUT_TMDS; break;
+ case 0x00000200: link = 1; type = OUTPUT_TMDS; break;
+ case 0x00000500: link = 0; type = OUTPUT_TMDS; break;
+ case 0x00000800: link = 0; type = OUTPUT_DP; break;
+ case 0x00000900: link = 1; type = OUTPUT_DP; break;
default:
NV_ERROR(dev, "PDISP: unknown SOR mc 0x%08x\n", mc);
return NULL;
@@ -1590,7 +1590,8 @@ lookup_dcb(struct drm_device *dev, int id, u32 mc)
for (i = 0; i < dev_priv->vbios.dcb.entries; i++) {
struct dcb_entry *dcb = &dev_priv->vbios.dcb.entry[i];
- if (dcb->type == type && (dcb->or & (1 << or)))
+ if (dcb->type == type && (dcb->or & (1 << or)) &&
+ (link < 0 || link == !(dcb->sorconf.link & 1)))
return dcb;
}