linux-kernel - [PATCH 5.8 252/255] drm/vmwgfx/ldu: Use drm_mode_config

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Date:   Tue,  1 Sep 2020 17:11:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Charmaine Lee <charmainel@...are.com>,
        Zack Rusin <zackr@...are.com>,
        Roland Scheidegger <sroland@...are.com>
Subject: [PATCH 5.8 252/255] drm/vmwgfx/ldu: Use drm_mode_config_reset

From: Roland Scheidegger <sroland@...are.com>

commit 981243371a5d832af5bc572071172e955d02fe88 upstream.

Same problem as in stdu, same fix.

Fixes: 51f644b40b4b ("drm/atomic-helper: reset vblank on crtc reset")
Acked-by: Charmaine Lee <charmainel@...are.com>
Reviewed-by: Zack Rusin <zackr@...are.com>
Signed-off-by: Roland Scheidegger <sroland@...are.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -387,8 +387,6 @@ static int vmw_ldu_init(struct vmw_priva
 	ldu->base.is_implicit = true;
 
 	/* Initialize primary plane */
-	vmw_du_plane_reset(primary);
-
 	ret = drm_universal_plane_init(dev, &ldu->base.primary,
 				       0, &vmw_ldu_plane_funcs,
 				       vmw_primary_plane_formats,
@@ -402,8 +400,6 @@ static int vmw_ldu_init(struct vmw_priva
 	drm_plane_helper_add(primary, &vmw_ldu_primary_plane_helper_funcs);
 
 	/* Initialize cursor plane */
-	vmw_du_plane_reset(cursor);
-
 	ret = drm_universal_plane_init(dev, &ldu->base.cursor,
 			0, &vmw_ldu_cursor_funcs,
 			vmw_cursor_plane_formats,
@@ -417,7 +413,6 @@ static int vmw_ldu_init(struct vmw_priva
 
 	drm_plane_helper_add(cursor, &vmw_ldu_cursor_plane_helper_funcs);
 
-	vmw_du_connector_reset(connector);
 	ret = drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
 				 DRM_MODE_CONNECTOR_VIRTUAL);
 	if (ret) {
@@ -445,7 +440,6 @@ static int vmw_ldu_init(struct vmw_priva
 		goto err_free_encoder;
 	}
 
-	vmw_du_crtc_reset(crtc);
 	ret = drm_crtc_init_with_planes(dev, crtc, &ldu->base.primary,
 					&ldu->base.cursor,
 					&vmw_legacy_crtc_funcs, NULL);
@@ -520,6 +514,8 @@ int vmw_kms_ldu_init_display(struct vmw_
 
 	dev_priv->active_display_unit = vmw_du_legacy;
 
+	drm_mode_config_reset(dev);
+
 	DRM_INFO("Legacy Display Unit initialized\n");
 
 	return 0;