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authorMonk Liu <Monk.Liu@amd.com>2016-03-31 05:26:59 (GMT)
committerAlex Deucher <alexander.deucher@amd.com>2016-09-19 18:45:52 (GMT)
commit4e99a44e37bfed8c4f25c94687e8e4ac4ae65086 (patch)
treee8a95a6c2135115ca60ee8ca6bde7d33746b60d0 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parentecab76688a0785fbcddcd1ff638a3fc76db073aa (diff)
downloadlinux-4e99a44e37bfed8c4f25c94687e8e4ac4ae65086.tar.xz
drm/amdgpu:changes of virtualization cases probe (v3)
1,Changes on virtualization detections 2,Don't load smu & mc firmware if using sr-iov bios 3,skip vPost for sriov & force vPost if dev pass-through v2: agd: squash in Rays's fix for the missed SI case v3: agd: squash in additional fixes for CIK, SI, cleanup Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d97efc1..4acc92b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -110,7 +110,7 @@ void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
bool always_indirect)
{
trace_amdgpu_mm_wreg(adev->pdev->device, reg, v);
-
+
if ((reg * 4) < adev->rmmio_size && !always_indirect)
writel(v, ((void __iomem *)adev->rmmio) + (reg * 4));
else {
@@ -1485,13 +1485,10 @@ static int amdgpu_resume(struct amdgpu_device *adev)
return 0;
}
-static bool amdgpu_device_is_virtual(void)
+static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev)
{
-#ifdef CONFIG_X86
- return boot_cpu_has(X86_FEATURE_HYPERVISOR);
-#else
- return false;
-#endif
+ if (amdgpu_atombios_has_gpu_virtualization_table(adev))
+ adev->virtualization.virtual_caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS;
}
/**
@@ -1648,25 +1645,25 @@ int amdgpu_device_init(struct amdgpu_device *adev,
goto failed;
}
- /* See if the asic supports SR-IOV */
- adev->virtualization.supports_sr_iov =
- amdgpu_atombios_has_gpu_virtualization_table(adev);
-
- /* Check if we are executing in a virtualized environment */
- adev->virtualization.is_virtual = amdgpu_device_is_virtual();
- adev->virtualization.caps = amdgpu_asic_get_virtual_caps(adev);
+ /* detect if we are with an SRIOV vbios */
+ amdgpu_device_detect_sriov_bios(adev);
/* Post card if necessary */
- if (!amdgpu_card_posted(adev) ||
- (adev->virtualization.is_virtual &&
- !(adev->virtualization.caps & AMDGPU_VIRT_CAPS_SRIOV_EN))) {
+ if (!amdgpu_sriov_vf(adev) &&
+ (!amdgpu_card_posted(adev) || amdgpu_passthrough(adev))) {
if (!adev->bios) {
dev_err(adev->dev, "Card not posted and no BIOS - ignoring\n");
r = -EINVAL;
goto failed;
}
DRM_INFO("GPU not posted. posting now...\n");
- amdgpu_atom_asic_init(adev->mode_info.atom_context);
+ r = amdgpu_atom_asic_init(adev->mode_info.atom_context);
+ if (r) {
+ dev_err(adev->dev, "gpu post error!\n");
+ goto failed;
+ }
+ } else {
+ DRM_INFO("GPU post is not needed\n");
}
/* Initialize clocks */