diff options
| author | Boris Brezillon <boris.brezillon@collabora.com> | 2020-01-28 14:55:07 +0100 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2020-01-31 16:00:25 +0100 |
| commit | 5061b8a969f7cd40f8d81f76e22a5e4fb13d6665 (patch) | |
| tree | 2df3b359074c018f2655edecec580cc9dab2749a /drivers/gpu/drm/imx/parallel-display.c | |
| parent | 41cf57124e0245ee5f6f1d7ca10bbd64d4cac660 (diff) | |
drm/bridge: Add an ->atomic_check() hook
So that bridge drivers have a way to check/reject an atomic operation.
The drm_atomic_bridge_chain_check() (which is just a wrapper around
the ->atomic_check() hook) is called in place of
drm_bridge_chain_mode_fixup() (when ->atomic_check() is not implemented,
the core falls back on ->mode_fixup(), so the behavior should stay
the same for existing bridge drivers).
v10:
* Add changelog to the commit message
v8 -> v9:
* No changes
v7:
* Fix a NULL pointer dereference
v5 -> v6:
* No changes
v4:
* Add R-bs
v3:
* No changes
v2:
* Clarify the fact that ->atomic_check() is replacing ->mode_fixup()
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed by: Jernej Skrabec <jernej.skrabec@siol.net>
Tested-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128135514.108171-6-boris.brezillon@collabora.com
Diffstat (limited to 'drivers/gpu/drm/imx/parallel-display.c')
0 files changed, 0 insertions, 0 deletions