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drm/vmwgfx: Fix Legacy Display Unit atomic drm support
authorMartin Krastev <krastevm@vmware.com>
Tue, 21 Mar 2023 02:09:49 +0000 (22:09 -0400)
committerZack Rusin <zackr@vmware.com>
Tue, 11 Apr 2023 16:29:30 +0000 (12:29 -0400)
commita37a512db3fa1b65fe9087003e5b2072cefb3667
tree998a174157a71a637bdf54bcb52f11322c882dd5
parent35d86fb626a2554de5d5916b6e2d47d06b483d37
drm/vmwgfx: Fix Legacy Display Unit atomic drm support

Legacy Display Unit (LDU) fb dirty support used a custom fb dirty callback. Latter
handled only the DIRTYFB IOCTL presentation path but not the ADDFB2/PAGE_FLIP/RMFB
IOCTL path, common for Wayland compositors.

Get rid of the custom callback in favor of drm_atomic_helper_dirtyfb and unify the
handling of the presentation paths inside of vmw_ldu_primary_plane_atomic_update.
This also homogenizes the fb dirty callbacks across all DUs: LDU, SOU and STDU.

Signed-off-by: Martin Krastev <krastevm@vmware.com>
Reviewed-by: Maaz Mombasawala <mombasawalam@vmware.com>
Fixes: 2f5544ff0300 ("drm/vmwgfx: Use atomic helper function for dirty fb IOCTL")
Cc: <stable@vger.kernel.org> # v5.0+
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230321020949.335012-3-zack@kde.org
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c