linux-kernel - [PATCH] drm/vram-helper: remove a redundant iosys_map_clear call in move

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Date:   Wed, 15 Mar 2023 00:57:22 +0800
From:   Sui Jingfeng <15330273260@....cn>
To:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        suijingfeng <suijingfeng@...ngson.cn>, liyi <liyi@...ngson.cn>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/vram-helper: remove a redundant iosys_map_clear call in move_notify

 As it is already called in ttm_bo_vunmap()

Signed-off-by: Sui Jingfeng <15330273260@....cn>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 0bea3df2a16d..b0c2a7ef91bf 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -558,7 +558,6 @@ static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo)
 		return;
 
 	ttm_bo_vunmap(bo, &gbo->map);
-	iosys_map_clear(&gbo->map); /* explicitly clear mapping for next vmap call */
 }
 
 static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
-- 
2.25.1