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randr: make randr code not segfault when xinerama set

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This commit is contained in:
Dave Airlie 2007-11-29 19:40:53 +11:00
parent 23b8ca8a37
commit 725710fd0b
1 changed files with 10 additions and 3 deletions
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13
hw/xfree86/modes/xf86RandR12.c
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@ -538,7 +538,11 @@ xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations)
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
int c;
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
#endif
if (!xf86RandR12Index)
return;
#if RANDR_12_INTERFACE
for (c = 0; c < config->num_crtc; c++) {
xf86CrtcPtr crtc = config->crtc[c];
@ -1062,12 +1066,15 @@ static Bool
xf86RandR12CreateScreenResources12 (ScreenPtr pScreen)
{
int c;
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(pScrn);
if (!xf86RandR12Index)
return TRUE;
for (c = 0; c < config->num_crtc; c++)
xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
xf86RandR12CrtcNotify (config->crtc[c]->randr_crtc);
RRScreenSetSizeRange (pScreen, config->minWidth, config->minHeight,
config->maxWidth, config->maxHeight);
@ -1087,7 +1094,7 @@ xf86RandR12TellChanged (ScreenPtr pScreen)
XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen);
int c;
if (!randrp)
if (!xf86RandR12Index)
return;
xf86RandR12SetInfo12 (pScreen);
for (c = 0; c < config->num_crtc; c++)