UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915: Fix up pipe vs. double wide confusion 

Double wide mode is only available on pipe A, except on GDG where
pipe B is also double wide capable.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2013-09-04 18:30:06 +03:00 committed by Daniel Vetter
parent 1d1d0e277e
commit b397c96b6d
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/intel_display.c
View File

@ -4153,10 +4153,10 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
* Enable pixel doubling when the dot clock
* is > 90% of the (display) core speed.
*
* XXX: No double-wide on 915GM pipe B. Is that
* the only reason for the pipe == PIPE_A check?
* GDG double wide on either pipe,
* otherwise pipe A only.
*/
if (crtc->pipe == PIPE_A &&
if ((crtc->pipe == PIPE_A || IS_I915G(dev)) &&
adjusted_mode->clock > clock_limit * 9 / 10) {
clock_limit *= 2;
pipe_config->double_wide = true;