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

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

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213172612.1514842-3-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2019-12-13 18:26:05 +01:00 committed by Sam Ravnborg
parent 4b6dd3cae3
commit 2840f1f0e4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
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@ -604,7 +604,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
int ret;
int i;
if (!state->base.crtc || !fb)
if (!state->base.crtc || WARN_ON(!fb))
return 0;
crtc_state = drm_atomic_get_existing_crtc_state(s->state, s->crtc);