[PATCH] Fixes: fc2a69f3903d ("drm/atomic: Handling the case when, setting old crtc for plane")

[Eric Engestrom]

Hey Karsten, thanks for the patch!  I don't know if it's correct or not,
but I'll comment on a few other things.

The title of the commit should be a description of what your commit does;
in this case you should probably keep the title that git gave you when
you did `git revert`, as well as the first line:

  Revert "drm/atomic: Handling the case when setting old crtc for plane"

  This reverts commit fc2a69f3903dfd97cd47f593e642b47918c949df.

After that comes your explanation of why this commit should be reverted,
which you've done here:

On Wednesday, 2018-09-05 00:26:27 +0200, Karsten Hohmeier wrote:
> Original commit causes "plane A assertion failure" on lid close/lid open
> with older HP Compaq 6720s laptops (Intel Mobile GME965/GLE960).

The "Fixes" line that Chris gave you should got at the end of the commit
message, after the explanation.

> Full bug report at "https://bugs.freedesktop.org/show_bug.cgi?id=107827".

The format for bug report references is (on its own line):
  Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107827

> ---
>  drivers/gpu/drm/drm_atomic.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 895741e9cd7d..a59ded403657 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -1433,9 +1433,7 @@ drm_atomic_set_crtc_for_plane(struct
> drm_plane_state *plane_state,

It looks like thunderbird mangled the patch when sending the email; it's
recommended to use `git send-email` instead, as it does the right thing:
https://git-scm.com/docs/git-send-email

>  {
>  	struct drm_plane *plane = plane_state->plane;
>  	struct drm_crtc_state *crtc_state;
> -	/* Nothing to do for same crtc*/
> -	if (plane_state->crtc == crtc)
> -		return 0;
> +
>  	if (plane_state->crtc) {
>  		crtc_state = drm_atomic_get_crtc_state(plane_state->state,
>  						       plane_state->crtc);
> --
> 2.11.0
> 
> 
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