andreacavalli/xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

xf86: make sure rotate calcs are done on the right screen boundaries

Browse Source 
This fixes a segfault where this code believes we are outside the screen
boundaries on a slave device, but we aren't.

Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2012-07-05 20:34:54 +01:00
parent cc02f4ef3e
commit a7c01da54a
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/xfree86/modes/xf86Rotate.c
View File

@ -322,6 +322,12 @@ xf86CrtcFitsScreen(xf86CrtcPtr crtc, struct pict_f_transform *crtc_to_fb)
/* When called before PreInit, the driver is
* presumably doing load detect
*/
if (pScrn->is_gpu) {
ScreenPtr pScreen = xf86ScrnToScreen(pScrn);
if (pScreen->current_master)
pScrn = xf86ScreenToScrn(pScreen->current_master);
}
if (pScrn->virtualX == 0 || pScrn->virtualY == 0)
return TRUE;