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authorTrigger Huang <Trigger.Huang@amd.com>2019-05-09 17:32:59 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-05-24 12:20:50 -0500
commit78d481126795e9e4740204df95572d9731a6d34e (patch)
treef41e7022cd50d2634c7e01148b02530d7bafd3b5 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
parente79a04d531478e4ccbd3c22288b1229677e1e489 (diff)
downloadlwn-78d481126795e9e4740204df95572d9731a6d34e.tar.gz
lwn-78d481126795e9e4740204df95572d9731a6d34e.zip
drm/amdgpu: init vega10 SR-IOV reg access mode
Set different register access mode according to the features provided by firmware Signed-off-by: Trigger Huang <Trigger.Huang@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_virt.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 7d484fad3909..1f0bd4d16475 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -426,3 +426,47 @@ uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest)
return clk;
}
+void amdgpu_virt_init_reg_access_mode(struct amdgpu_device *adev)
+{
+ struct amdgpu_virt *virt = &adev->virt;
+
+ if (virt->ops && virt->ops->init_reg_access_mode)
+ virt->ops->init_reg_access_mode(adev);
+}
+
+bool amdgpu_virt_support_psp_prg_ih_reg(struct amdgpu_device *adev)
+{
+ bool ret = false;
+ struct amdgpu_virt *virt = &adev->virt;
+
+ if (amdgpu_sriov_vf(adev)
+ && (virt->reg_access_mode & AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH))
+ ret = true;
+
+ return ret;
+}
+
+bool amdgpu_virt_support_rlc_prg_reg(struct amdgpu_device *adev)
+{
+ bool ret = false;
+ struct amdgpu_virt *virt = &adev->virt;
+
+ if (amdgpu_sriov_vf(adev)
+ && (virt->reg_access_mode & AMDGPU_VIRT_REG_ACCESS_RLC)
+ && !(amdgpu_sriov_runtime(adev)))
+ ret = true;
+
+ return ret;
+}
+
+bool amdgpu_virt_support_skip_setting(struct amdgpu_device *adev)
+{
+ bool ret = false;
+ struct amdgpu_virt *virt = &adev->virt;
+
+ if (amdgpu_sriov_vf(adev)
+ && (virt->reg_access_mode & AMDGPU_VIRT_REG_SKIP_SEETING))
+ ret = true;
+
+ return ret;
+}