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drm/mediatek: plane_state->fb iff plane_state->crtc

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Checking both is one too much, so wrap a WARN_ON around it to stope
the copypasta.

Acked-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: CK Hu <ck.hu@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mediatek@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20191213172612.1514842-5-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-12-13 18:26:07 +01:00
parent e529878e4b
commit 4f865a74c8
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/mediatek/mtk_drm_plane.c
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@ -87,7 +87,7 @@ static int mtk_plane_atomic_check(struct drm_plane *plane,
if (!fb)
return 0;
if (!state->crtc)
if (WARN_ON(!state->crtc))
return 0;
crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc);