linux-kernel - [PATCH] drm: Fix drm_atomic_get_new_crtc

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Message-Id: <1612172024-3556-1-git-send-email-zhangzhaoge@loongson.cn>
Date:   Mon,  1 Feb 2021 17:33:44 +0800
From:   Zhaoge Zhang <zhangzhaoge@...ngson.cn>
To:     maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm: Fix drm_atomic_get_new_crtc_state call error

This position is to clear the previous mask flags,
so drm_atomic_get_crtc_state should be used.

Signed-off-by: Zhaoge Zhang <zhangzhaoge@...ngson.cn>
---
 drivers/gpu/drm/drm_atomic_uapi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 268bb69..07fe01b 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -313,8 +313,8 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
 		return 0;
 
 	if (conn_state->crtc) {
-		crtc_state = drm_atomic_get_new_crtc_state(conn_state->state,
-							   conn_state->crtc);
+		crtc_state = drm_atomic_get_crtc_state(conn_state->state,
+							conn_state->crtc);
 
 		crtc_state->connector_mask &=
 			~drm_connector_mask(conn_state->connector);
-- 
2.7.4