[Intel-gfx] [PATCH] drm/i915: force full modeset if the connector is in DPMS OFF mode

Chris Wilson chris at chris-wilson.co.uk
Fri May 3 13:44:41 CEST 2013

On Fri, May 03, 2013 at 02:22:09PM +0300, Imre Deak wrote:
> Currently the driver's assumed behavior for a modeset with an attached
> FB is that the corresponding connector will be switched to DPMS ON mode
> if it happened to be in DPMS OFF (or another power save mode). This
> wasn't enforced though if only the FB changed, everything else (format,
> connector etc.) remaining the same. In this case we only set the new FB
> base and left the connector in the old power save mode.
> Fix this by forcing a full modeset whenever there is an attached FB and
> any affected connector is in a power save mode.
> Signed-off-by: Imre Deak <imre.deak at intel.com>

NAK. Papering over bugs, much?

Chris Wilson, Intel Open Source Technology Centre

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