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Subject[PATCH v2 0/4] Add a drm_crtc_helper_atomic_check() helper
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Add a helper function and make drivers that have the same logic in their
struct drm_crtc_helper_funcs .atomic_check handler to use this instead.

Patch #1, #2 and #3 are just cleanups for the mgag200, simpledrm and
ssd130x drivers respectively. Finally patch #4 converts the last two
drivers to use a helper instead of open coding it the same logic.

The changes are inspired by a patch from Thomas Zimmermann for the ast
DRM driver:

https://patchwork.kernel.org/project/dri-devel/patch/20221010103625.19958-4-tzimmermann@suse.de/

This is a v2 that addresses issues pointed out also by Thomas in v1:

https://lists.freedesktop.org/archives/dri-devel/2022-October/375363.html

Best regards,
Javier

Changes in v2:
- Reference drm_plane_helper_atomic_check() from drm_crtc_atomic_check()
kernel doc comments and viceversa (Thomas Zimmermann).

Javier Martinez Canillas (4):
drm/mgag200: Do not call drm_atomic_add_affected_planes()
drm/simpledrm: Do not call drm_atomic_add_affected_planes()
drm/ssd130x: Do not call drm_atomic_add_affected_planes()
drm/crtc-helper: Add a drm_crtc_helper_atomic_check() helper

drivers/gpu/drm/drm_crtc_helper.c | 26 ++++++++++++++++++++++++++
drivers/gpu/drm/drm_plane_helper.c | 4 +++-
drivers/gpu/drm/mgag200/mgag200_mode.c | 2 +-
drivers/gpu/drm/solomon/ssd130x.c | 20 ++------------------
drivers/gpu/drm/tiny/simpledrm.c | 20 ++------------------
include/drm/drm_crtc_helper.h | 2 ++
6 files changed, 36 insertions(+), 38 deletions(-)

--
2.37.3

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