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From 72285aebc730c0b21532a0c5c83aa3f7d075e5ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Mon, 18 Nov 2013 18:25:59 +0900
Subject: [PATCH 21/44] drm/radeon/cik: Return backend map information to
userspace
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This is required to properly calculate the tiling parameters
in userspace.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/radeon/radeon_kms.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 4a3b3c5..405b0d4 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -324,7 +324,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
break;
case RADEON_INFO_BACKEND_MAP:
if (rdev->family >= CHIP_BONAIRE)
- return -EINVAL;
+ *value = rdev->config.cik.backend_map;
else if (rdev->family >= CHIP_TAHITI)
*value = rdev->config.si.backend_map;
else if (rdev->family >= CHIP_CAYMAN)
--
1.7.9.5
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