aboutsummaryrefslogtreecommitdiffstats
path: root/common/recipes-kernel/linux/files/0300-drm-amdgpu-disable-the-IP-module-if-early_init-retur.patch
blob: e4968968054bfc49be84db13b4bd1a82e4f3b1ec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
From 974e6b641f1428ee14486da277a92bdf9bd04a78 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 10 Jul 2015 13:59:44 -0400
Subject: [PATCH 0300/1050] drm/amdgpu: disable the IP module if early_init
 returns -ENOENT (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

If we run into a part with a harvest configuration where the entire
IP block is unusable, just disable the IP block.

v2: fix logic as noted by Christian

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index ba46be3..d79009b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1207,10 +1207,15 @@ static int amdgpu_early_init(struct amdgpu_device *adev)
 		} else {
 			if (adev->ip_blocks[i].funcs->early_init) {
 				r = adev->ip_blocks[i].funcs->early_init((void *)adev);
-				if (r)
+				if (r == -ENOENT)
+					adev->ip_block_enabled[i] = false;
+				else if (r)
 					return r;
+				else
+					adev->ip_block_enabled[i] = true;
+			} else {
+				adev->ip_block_enabled[i] = true;
 			}
-			adev->ip_block_enabled[i] = true;
 		}
 	}
 
-- 
1.9.1