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drm/amdgpu: sdma support ras gpu reset

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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>
This commit is contained in:
xinhui pan 2019-05-08 22:38:37 +08:00 • committed by Alex Deucher
parent 70ab8c6125
commit 9708a31862
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
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@ -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)