both crtc_state->adjusted_mode.hdisplay and
crtc_state->adjusted_mode.vdisplay are 0 when switch dpms off,
return -EINVAL cause switch dpms off fail.
Signed-off-by: Zhihui Chen <chenzhih...@huawei.com>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index 6527a97f68a3..722e369f30d4 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -80,6 +80,9 @@ static int hibmc_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
}
+ if (!crtc_state->enable)
+ return 0;
+
if (state->crtc_x + state->crtc_w >
crtc_state->adjusted_mode.hdisplay ||
state->crtc_y + state->crtc_h >
--
2.20.1
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