Re: [PATCH 0/4] drm/plane: Remove drm_plane_init(), plus other cleanups

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For the nouveau bits on 1, 2 and 4:

Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>

On Fri, 2022-09-09 at 12:59 +0200, Thomas Zimmermann wrote:
> This patchset does cleanups to the plane code, most noteably it removes
> drm_plane_init(). The function is a small wrapper, which can easily be
> inlined into the few callers. Patch #1 fixes this.
> 
> The other clean-up patches #2 to #4 affect plane creation. Modesetting
> helpers and nouveau share some plane-allocation code that can be shared as
> helper function. While the function is already outdated, it's now at least
> well documented. As suggested by Daniel, patch #3 adds a warning to
> non-atomic plane helpers when they are being called from atomic drivers.
> Patch #4 adds an initializer macro for non-atomic plane functions. It
> should not be used in new drivers, but at least documents the current
> practice.
> 
> Tested with nouveau on Nvidia G72 hardware.
> 
> A possible next step would be the inlining of drm_crtc_init() and the
> removal of drm_plane.format_default.
> 
> Thomas Zimmermann (4):
>   drm/plane: Remove drm_plane_init()
>   drm/plane: Allocate planes with drm_universal_plane_alloc()
>   drm/plane-helper: Warn if atomic drivers call non-atomic helpers
>   drm/plane-helper: Provide DRM_PLANE_NON_ATOMIC_FUNCS initializer macro
> 
>  drivers/gpu/drm/drm_modeset_helper.c       | 68 +++++++++------------
>  drivers/gpu/drm/drm_plane.c                | 70 ++++++++++++----------
>  drivers/gpu/drm/drm_plane_helper.c         | 10 ++++
>  drivers/gpu/drm/nouveau/dispnv04/crtc.c    | 45 +++++---------
>  drivers/gpu/drm/nouveau/dispnv04/overlay.c | 13 ++--
>  drivers/gpu/drm/shmobile/shmob_drm_plane.c |  7 ++-
>  drivers/gpu/drm/tilcdc/tilcdc_plane.c      |  9 ++-
>  include/drm/drm_plane.h                    | 52 +++++++++++++---
>  include/drm/drm_plane_helper.h             | 12 ++++
>  9 files changed, 162 insertions(+), 124 deletions(-)
> 
> 
> base-commit: f2c3a05d33693ad51996fa7d12d3b2d4b0f372eb
> prerequisite-patch-id: c2b2f08f0eccc9f5df0c0da49fa1d36267deb11d
> prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
> prerequisite-patch-id: 3f204510fcbf9530d6540bd8e6128cce598988b6

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat




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