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xf86/crtc: add new interface to detach slave crtcs

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This will detach any scanout pixmaps attached to slave crtcs.

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 2012-06-18 14:11:24 +01:00
parent 9b8217f9ef
commit 88bc02bfaa
2 changed files with 23 additions and 0 deletions
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20
hw/xfree86/modes/xf86Crtc.c
View File

@ -3228,3 +3228,23 @@ xf86ProviderSetup(ScrnInfoPtr scrn,
#endif
}
void
xf86DetachAllCrtc(ScrnInfoPtr scrn)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
int i;
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];
if (crtc->randr_crtc)
RRCrtcDetachScanoutPixmap(crtc->randr_crtc);
/* dpms off */
(*crtc->funcs->dpms) (crtc, DPMSModeOff);
/* force a reset the next time its used */
crtc->randr_crtc->mode = NULL;
crtc->mode.HDisplay = 0;
crtc->x = crtc->y = 0;
}
}

3
hw/xfree86/modes/xf86Crtc.h
View File

@ -1014,4 +1014,7 @@ extern _X_EXPORT void
xf86ProviderSetup(ScrnInfoPtr scrn,
const xf86ProviderFuncsRec * funcs, const char *name);
extern _X_EXPORT void
xf86DetachAllCrtc(ScrnInfoPtr scrn);
#endif /* _XF86CRTC_H_ */