linux-kernel - [PATCH 08/10] drm/qxl: fix monitors object kmap

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Message-Id: <20210216113716.716996-9-kraxel@redhat.com>
Date:   Tue, 16 Feb 2021 12:37:14 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Gerd Hoffmann <kraxel@...hat.com>,
        Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        virtualization@...ts.linux-foundation.org (open list:DRM DRIVER FOR QXL
        VIRTUAL GPU),
        spice-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR QXL VIRTUAL
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 08/10] drm/qxl: fix monitors object kmap

Use the correct kmap variant.  We don't hold a reservation here,
so we can't use the _locked variant.  We can drop the pin because
qxl_bo_kmap will do that for us.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 8672385a1caf..7500560db8e4 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -1159,12 +1159,10 @@ int qxl_create_monitors_object(struct qxl_device *qdev)
 	}
 	qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
 
-	ret = qxl_bo_pin(qdev->monitors_config_bo);
+	ret = qxl_bo_kmap(qdev->monitors_config_bo, &map);
 	if (ret)
 		return ret;
 
-	qxl_bo_kmap_locked(qdev->monitors_config_bo, &map);
-
 	qdev->monitors_config = qdev->monitors_config_bo->kptr;
 	qdev->ram_header->monitors_config =
 		qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
@@ -1189,8 +1187,7 @@ int qxl_destroy_monitors_object(struct qxl_device *qdev)
 	qdev->monitors_config = NULL;
 	qdev->ram_header->monitors_config = 0;
 
-	qxl_bo_kunmap_locked(qdev->monitors_config_bo);
-	ret = qxl_bo_unpin(qdev->monitors_config_bo);
+	ret = qxl_bo_kunmap(qdev->monitors_config_bo);
 	if (ret)
 		return ret;
 
-- 
2.29.2