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authorxinhui pan <xinhui.pan@amd.com>2019-05-08 17:38:37 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-05-24 20:20:50 +0300
commit9708a318620d83d48788bf1c7701dfc193bb5632 (patch)
tree37784ad7d5264b16c9ccb2c988fa8de84b37edaa /drivers/gpu
parent70ab8c6125d6649f73a46118f8660c2ddeefa1e1 (diff)
downloadlinux-9708a318620d83d48788bf1c7701dfc193bb5632.tar.xz
drm/amdgpu: sdma support ras gpu reset
request a gpu reset if ras return EAGAIN. we will run late init again so it is ok to do nothing this time. Signed-off-by: xinhui pan <xinhui.pan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 9c88ce513d78..65775964efd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1531,8 +1531,14 @@ static int sdma_v4_0_late_init(void *handle)
**ras_if = ras_block;
r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
- if (r)
+ if (r) {
+ if (r == -EAGAIN) {
+ amdgpu_ras_request_reset_on_boot(adev,
+ AMDGPU_RAS_BLOCK__SDMA);
+ r = 0;
+ }
goto feature;
+ }
ih_info.head = **ras_if;
fs_info.head = **ras_if;
@@ -1571,7 +1577,7 @@ interrupt:
feature:
kfree(*ras_if);
*ras_if = NULL;
- return -EINVAL;
+ return r;
}
static int sdma_v4_0_sw_init(void *handle)