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sna: Do not try and set a 0x0 mode 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-12-27 09:54:35 +00:00
parent 861c2362dd
commit dd5b653aa2
1 changed files with 3 additions and 0 deletions
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3
src/sna/sna_display.c
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@ -1223,6 +1223,9 @@ sna_crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
struct drm_mode_modeinfo saved_kmode;
bool saved_transform;
if (mode->HDisplay == 0 || mode->VDisplay == 0)
return FALSE;
xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO,
"switch to mode %dx%d on crtc %d (pipe %d)\n",
mode->HDisplay, mode->VDisplay,