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From 50d983a37d98b274e227269b186f74315291f2d9 Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Fri, 15 Sep 2017 18:42:12 +0800
Subject: [PATCH 1845/4131] drm/amdgpu/sriov:don't load psp fw during gpu reset
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
At least for SRIOV we found reload PSP fw during
gpu reset cause PSP hang.
Change-Id: I5f273187a10bb8571b77651dfba7656ce0429af0
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 15 +++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index d2d8433..35bd595 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -260,15 +260,18 @@ static int psp_asd_load(struct psp_context *psp)
static int psp_hw_start(struct psp_context *psp)
{
+ struct amdgpu_device *adev = psp->adev;
int ret;
- ret = psp_bootloader_load_sysdrv(psp);
- if (ret)
- return ret;
+ if (!amdgpu_sriov_vf(adev) || !adev->in_sriov_reset) {
+ ret = psp_bootloader_load_sysdrv(psp);
+ if (ret)
+ return ret;
- ret = psp_bootloader_load_sos(psp);
- if (ret)
- return ret;
+ ret = psp_bootloader_load_sos(psp);
+ if (ret)
+ return ret;
+ }
ret = psp_ring_create(psp, PSP_RING_TYPE__KM);
if (ret)
--
2.7.4
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