From: Alex Deucher <alexdeucher@gmail.com>
Date: Mon, 13 Jun 2011 22:02:51 +0000 (+0000)
Subject: drm/radeon/kms: clear wb memory by default
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e6ba759980e65084b0db9f1684d9d65a2a3e1741;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/radeon/kms: clear wb memory by default

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e680501c78ea..7cfaa7e2f3b5 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -215,6 +215,8 @@ int radeon_wb_init(struct radeon_device *rdev)
 		return r;
 	}
 
+	/* clear wb memory */
+	memset((char *)rdev->wb.wb, 0, RADEON_GPU_PAGE_SIZE);
 	/* disable event_write fences */
 	rdev->wb.use_event = false;
 	/* disabled via module param */