On Thu, Mar 22, 2018 at 05:22:53PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Keep the primary->crtc in sync with the state->crtc (also with
> primary->fb and state->fb) when disabling the crtc (and thus also
> the primary) via setcrtc().
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Yeah seems more consistent, and we do the same for atomic already. Only 2
legacy drivers seem to look at this (armada and shmob), and I think both
should be fine.
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_crtc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 03583887cfec..7a973ada7195 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -471,7 +471,7 @@ static int __drm_mode_set_config_internal(struct drm_mode_set *set,
>
> ret = crtc->funcs->set_config(set, ctx);
> if (ret == 0) {
> - crtc->primary->crtc = crtc;
> + crtc->primary->crtc = fb ? crtc : NULL;
> crtc->primary->fb = fb;
> }
>
> --
> 2.16.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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