diff options
| author | Jack Xiao <Jack.Xiao@amd.com> | 2020-03-20 14:53:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-04 10:04:01 -0400 |
| commit | de33a32968e8e2a22b0d6ae621a4505fccce8234 (patch) | |
| tree | 91516b7d7eeb62a410405eb27eb980c93f2629b2 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 564434020a19810f57708feaacd07ad34ae7a8e3 (diff) | |
drm/amdgpu: use the whole doorbell space for mes
Use the whole doorbell space for mes. Each queue in one process occupies
one doorbell slot to ring the queue submitting.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@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 | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 53d938d5a00a0..9b5d1979ac0e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1044,19 +1044,25 @@ static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) adev->doorbell.base = pci_resource_start(adev->pdev, 2); adev->doorbell.size = pci_resource_len(adev->pdev, 2); - adev->doorbell.num_doorbells = min_t(u32, adev->doorbell.size / sizeof(u32), - adev->doorbell_index.max_assignment+1); - if (adev->doorbell.num_doorbells == 0) - return -EINVAL; - - /* For Vega, reserve and map two pages on doorbell BAR since SDMA - * paging queue doorbell use the second page. The - * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the - * doorbells are in the first page. So with paging queue enabled, - * the max num_doorbells should + 1 page (0x400 in dword) - */ - if (adev->asic_type >= CHIP_VEGA10) - adev->doorbell.num_doorbells += 0x400; + if (adev->enable_mes) { + adev->doorbell.num_doorbells = + adev->doorbell.size / sizeof(u32); + } else { + adev->doorbell.num_doorbells = + min_t(u32, adev->doorbell.size / sizeof(u32), + adev->doorbell_index.max_assignment+1); + if (adev->doorbell.num_doorbells == 0) + return -EINVAL; + + /* For Vega, reserve and map two pages on doorbell BAR since SDMA + * paging queue doorbell use the second page. The + * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the + * doorbells are in the first page. So with paging queue enabled, + * the max num_doorbells should + 1 page (0x400 in dword) + */ + if (adev->asic_type >= CHIP_VEGA10) + adev->doorbell.num_doorbells += 0x400; + } adev->doorbell.ptr = ioremap(adev->doorbell.base, adev->doorbell.num_doorbells * |