[BACKPORT 4.14.y 1/8] drm/i915/fbdev: Actually configure untiled displays

[Greg KH]

On Tue, Sep 03, 2019 at 02:55:26PM +0800, Baolin Wang wrote:
> From: Chris Wilson <chris at chris-wilson.co.uk>
> 
> If we skipped all the connectors that were not part of a tile, we would
> leave conn_seq=0 and conn_configured=0, convincing ourselves that we
> had stagnated in our configuration attempts. Avoid this situation by
> starting conn_seq=ALL_CONNECTORS, and repeating until we find no more
> connectors to configure.
> 
> Fixes: 754a76591b12 ("drm/i915/fbdev: Stop repeating tile configuration on stagnation")
> Reported-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20190215123019.32283-1-chris@chris-wilson.co.uk
> Cc: <stable at vger.kernel.org> # v3.19+
> Signed-off-by: Baolin Wang <baolin.wang at linaro.org>
> ---
>  drivers/gpu/drm/i915/intel_fbdev.c |   12 +++++++-----
>  1 file changed, 7 insertions(+), 5 deletions(-)

What is the git commit id of this patch in Linus's tree?

Can you please add that as the first line of the changelog like is done
with all other stable patches?  That way I can verify that what you
posted here is the correct one.

Please fix the up for all of these and resend.

thanks,

greg k-h