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authorBen Skeggs <bskeggs@redhat.com>2012-08-31 03:56:25 +0400
committerBen Skeggs <bskeggs@redhat.com>2012-08-31 04:49:38 +0400
commita348cd5fd85dbca7260ef865c5def85929932861 (patch)
tree71a6f9e2d70f93c00ea45e0d7f898c436a466956 /drivers/gpu/drm
parent14f0458a41e033dee31ba605137419385c03fc78 (diff)
downloadlinux-a348cd5fd85dbca7260ef865c5def85929932861.tar.xz
drm/nvd0/disp: hopefully fix selection of 6/8bpc mode on DP outputs
I have a very limited number of traces available for DP on NVD9+, but, these values produce the same as the binary driver on a confirmed 18-bit eDP panel and a confirmed 24-bit eDP panel (Retina MBP). It's interesting that the bitfield values also match the MODE_CTRL values that control the same thing on nv50:nvd9. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nvd0_display.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
index dac525b2994e..8a2fc89b7763 100644
--- a/drivers/gpu/drm/nouveau/nvd0_display.c
+++ b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -1510,10 +1510,10 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
case OUTPUT_DP:
if (nv_connector->base.display_info.bpc == 6) {
nv_encoder->dp.datarate = mode->clock * 18 / 8;
- syncs |= 0x00000140;
+ syncs |= 0x00000002 << 6;
} else {
nv_encoder->dp.datarate = mode->clock * 24 / 8;
- syncs |= 0x00000180;
+ syncs |= 0x00000005 << 6;
}
if (nv_encoder->dcb->sorconf.link & 1)