linux-kernel - Re: linux-next: manual merge of the drm tree with the drm-intel-fixes tree

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Date:	Mon, 16 Mar 2015 21:43:31 +0800
From:	Xi Ruoyao <xry111@...look.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Dave Airlie <airlied@...ux.ie>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
CC:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jani Nikula <jani.nikula@...el.com>,
	Matt Roper <matthew.d.roper@...el.com>,
	Damien Lespiau <damien.lespiau@...el.com>
Subject: Re: linux-next: manual merge of the drm tree with the drm-intel-fixes
 tree


On 03/16/2015 at 10:30 AM, Stephen Rothwell wrote:
> Hi Dave,
>
> Today's linux-next merge of the drm tree got a conflict in
> drivers/gpu/drm/i915/intel_display.c between commit 2dccc9898d45
> ("drm/i915: Ensure plane->state->fb stays in sync with plane->fb") from
> the drm-intel-fixes tree and commit afd65eb4cc05 ("drm/i915: Ensure
> plane->state->fb stays in sync with plane->fb"), f55548b5af87
> ("drm/i915: Don't try to reference the fb in
> get_initial_plane_config()") and presumably others from the drm tree.
>
> Same patch summary, different authors, committers and added function.
>
> I fixed it up (I effectively used the drm tree version) and can carry
> the fix as necessary (no action is required).
>
My patch with commit 2dccc9898d45 is for Linux 4.0-rcN. It has no 
relationship
  with linux-next since Matt Roper's afd65eb4cc05 has solved this long 
long ago.

So, 2dccc9898d45 should not be tagged with for-linux-next-fixes (in 
repository
http://cgit.freedesktop.org/drm-intel/). I think it caused the mess of 
version
control.

BTW, there is still one thing should be done in linux-next. We should 
change
Matt's update_state_fb to use drm_atomic_set_fb_for_plane since the logic of
Matt's code is duplicated with drm_atomic_set_fb_for_plane.

-- 
Xi Ruoyao
School of Aerospace Science and Technology
Xidian University, Xi'an, China

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