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| author | Alex Deucher <alexander.deucher@amd.com> | 2023-06-16 16:49:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-30 13:12:14 -0400 |
| commit | 02ff519e99fc90f6c9aed50def1b6d65e20c1875 (patch) | |
| tree | 496d83221ee88ca682029f88f6cefc218bc27719 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 5efe0f3eed4f6eeb2a75285b48aee0a75399e6d8 (diff) | |
| download | linux-02ff519e99fc90f6c9aed50def1b6d65e20c1875.tar.gz linux-02ff519e99fc90f6c9aed50def1b6d65e20c1875.tar.bz2 linux-02ff519e99fc90f6c9aed50def1b6d65e20c1875.zip | |
drm/amdgpu: make mcbp a per device setting
So we can selectively enable it on certain devices. No
intended functional change.
Reviewed-and-tested-by: Jiadong Zhu <Jiadong.Zhu@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.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index eda0a598722e..a700fe09b9da 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2552,7 +2552,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = true; /* right after GMC hw init, we create CSA */ - if (amdgpu_mcbp) { + if (adev->gfx.mcbp) { r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT, @@ -3673,6 +3673,18 @@ static const struct attribute *amdgpu_dev_attributes[] = { NULL }; +static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) +{ + if (amdgpu_mcbp == 1) + adev->gfx.mcbp = true; + + if (amdgpu_sriov_vf(adev)) + adev->gfx.mcbp = true; + + if (adev->gfx.mcbp) + DRM_INFO("MCBP is enabled\n"); +} + /** * amdgpu_device_init - initialize the driver * @@ -3824,9 +3836,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base); DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size); - if (amdgpu_mcbp) - DRM_INFO("MCBP is enabled\n"); - /* * Reset domain needs to be present early, before XGMI hive discovered * (if any) and intitialized to use reset sem and in_gpu reset flag @@ -3852,6 +3861,8 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) return r; + amdgpu_device_set_mcbp(adev); + /* Get rid of things like offb */ r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver); if (r) |