[RFC PATCH xserver] modesetting: re-set the crtc's mode when link-status goes BAD

Martin Peres martin.peres at linux.intel.com
Mon Mar 27 14:12:39 UTC 2017

On 26/01/17 14:37, Martin Peres wrote:
> Despite all the careful planing of the kernel, a link may become
> insufficient to handle the currently-set mode. At this point, the
> kernel should mark this particular configuration as being broken
> and potentially prune the mode before setting the offending connector's
> link-status to BAD and send the userspace a hotplug event. This may
> happen right after a modeset or later on.
> When available, we should use the link-status information to reset
> the wanted mode.
> Signed-off-by: Martin Peres <martin.peres at linux.intel.com>

The relevant kernel patches have landed in drm-tip about a month ago.

Eric, would you mind providing feedback on or merging this patch?


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