Commit de33a329 authored by Jack Xiao's avatar Jack Xiao Committed by Alex Deucher
Browse files

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: default avatarJack Xiao <Jack.Xiao@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 56443402

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

+19 −13
Original line number Diff line number Diff line
@@ -1044,7 +1044,12 @@ 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),

	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;
@@ -1057,6 +1062,7 @@ static int amdgpu_device_doorbell_init(struct amdgpu_device *adev) 
		 */

		if (adev->asic_type >= CHIP_VEGA10)

			adev->doorbell.num_doorbells += 0x400;

	}



	adev->doorbell.ptr = ioremap(adev->doorbell.base,

				     adev->doorbell.num_doorbells *