openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915: Undo the PIPEA quirk for i845 

The PIPEA quirk is specifically for the issue with the PIPEB PLL on
830gm being slaved to the PIPEA PLL, and so to use PIPEB requires PIPEA
running. i845 doesn't even have the second PLL or pipe, and enabling
the quirk results in a blank DVO LVDS.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2013-10-08 11:16:59 +01:00 committed by Daniel Vetter
parent eda796422a
commit a4945f9522
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/i915/intel_display.c
View File

@ -10305,8 +10305,7 @@ static struct intel_quirk intel_quirks[] = {
/* ThinkPad T60 needs pipe A force quirk (bug #16494) */
{ 0x2782, 0x17aa, 0x201a, quirk_pipea_force },
/* 830/845 need to leave pipe A & dpll A up */
{ 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
/* 830 needs to leave pipe A & dpll A up */
{ 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force },
/* Lenovo U160 cannot use SSC on LVDS */