iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/i915: Always set the DP transcoder config to 8BPC.

Browse Source 
The pipe is always set to 8BPC, but here we were leaving whatever
previous bits were set by the BIOS in place.

Signed-off-by: Eric Anholt <eric@anholt.net>
Tested-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
This commit is contained in:
Eric Anholt
2010-11-18 09:32:58 +08:00
committed by Chris Wilson
parent 94c35de9a9
commit 220cad3cbf
2 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/i915/intel_display.c
View File

@ -2120,9 +2120,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
reg = TRANS_DP_CTL(pipe);
temp = I915_READ(reg);
temp &= ~(TRANS_DP_PORT_SEL_MASK |
TRANS_DP_SYNC_MASK);
TRANS_DP_SYNC_MASK |
TRANS_DP_BPC_MASK);
temp |= (TRANS_DP_OUTPUT_ENABLE |
TRANS_DP_ENH_FRAMING);
temp |= TRANS_DP_8BPC;
if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
temp |= TRANS_DP_HSYNC_ACTIVE_HIGH;