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compositor-drm: Force DPMS state to ON after drmModeSetCrtc()

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The kernel is supposed to set this when drmModeSetCrtc() is called but
at least the i915 driver wouldn't do that in all cases. A fix for this
should be released with kernel 3.10, but we work around the issue in
older kernels by always forcing DPMS to ON when doing a mode set.

https://bugs.freedesktop.org/show_bug.cgi?id=64873
This commit is contained in:
Ander Conselvan de Oliveira 2013-06-04 16:24:05 +03:00 • committed by Kristian Høgsberg
parent a0a433a223
commit 722a2d523c
1 changed files with 1 additions and 0 deletions
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src/compositor-drm.c
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@ -588,6 +588,7 @@ drm_output_repaint(struct weston_output *output_base,
weston_log("set mode failed: %m\n");
return;
}
output_base->set_dpms(output_base, WESTON_DPMS_ON);
}
if (drmModePageFlip(compositor->drm.fd, output->crtc_id,