diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2093-drm-amdgpu-retry-init-if-exclusive-mode-request-is-f.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2093-drm-amdgpu-retry-init-if-exclusive-mode-request-is-f.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2093-drm-amdgpu-retry-init-if-exclusive-mode-request-is-f.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2093-drm-amdgpu-retry-init-if-exclusive-mode-request-is-f.patch new file mode 100644 index 00000000..464886cd --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2093-drm-amdgpu-retry-init-if-exclusive-mode-request-is-f.patch @@ -0,0 +1,31 @@ +From 059312c749d5b0f13b1ed9fb2475d7c82fd39d11 Mon Sep 17 00:00:00 2001 +From: pding <Pixel.Ding@amd.com> +Date: Mon, 30 Oct 2017 14:07:24 +0800 +Subject: [PATCH 2093/4131] drm/amdgpu: retry init if exclusive mode request is + failed + +This is caused of that hypervisor fails to handle request, one known +issue is MMIO unblocking timeout. In theory we can retry init here. + +Signed-off-by: pding <Pixel.Ding@amd.com> +Reviewed-by: Xiangliang Yu <Xiangliang.Yu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +index 812d725..c606f97 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -1651,7 +1651,7 @@ static int amdgpu_early_init(struct amdgpu_device *adev) + if (amdgpu_sriov_vf(adev)) { + r = amdgpu_virt_request_full_gpu(adev, true); + if (r) +- return r; ++ return -EAGAIN; + } + + for (i = 0; i < adev->num_ip_blocks; i++) { +-- +2.7.4 + |