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authorBen Skeggs <bskeggs@redhat.com>2011-06-30 09:03:36 +1000
committerBen Skeggs <bskeggs@redhat.com>2011-07-25 09:40:41 +1000
commit88c8431cbbccdb9ef7c13f0ba18022e2cb35c7f7 (patch)
tree152d8fe5a9c3c8b332481d41029d8b5b91f56110 /drivers/gpu/drm/nouveau/nv50_sor.c
parent60f7ab06651db7d9916c0d9138ed3b12676e920d (diff)
downloadblackbird-op-linux-88c8431cbbccdb9ef7c13f0ba18022e2cb35c7f7.tar.gz
blackbird-op-linux-88c8431cbbccdb9ef7c13f0ba18022e2cb35c7f7.zip
drm/nv50/dp: fix hack to work for macbooks booted via EFI
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_sor.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_sor.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index c25c59386420..ffe8b483b7b0 100644
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -318,6 +318,8 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_entry *entry)
uint32_t tmp;
tmp = nv_rd32(dev, 0x61c700 + (or * 0x800));
+ if (!tmp)
+ tmp = nv_rd32(dev, 0x610798 + (or * 8));
switch ((tmp & 0x00000f00) >> 8) {
case 8:
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