Commit b185c318 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: track MQD size for gfx and compute 



It varies by generation and we need to know the size
to expose this via debugfs.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8a93c691

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

+2 −0
Original line number Diff line number Diff line
@@ -420,6 +420,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, 
					return r;

				}



				ring->mqd_size = mqd_size;

				/* prepare MQD backup */

				adev->gfx.me.mqd_backup[i] = kmalloc(mqd_size, GFP_KERNEL);

				if (!adev->gfx.me.mqd_backup[i])
@@ -440,6 +441,7 @@ int amdgpu_gfx_mqd_sw_init(struct amdgpu_device *adev, 
				return r;

			}



			ring->mqd_size = mqd_size;

			/* prepare MQD backup */

			adev->gfx.mec.mqd_backup[i + xcc_id * adev->gfx.num_compute_rings] = kmalloc(mqd_size, GFP_KERNEL);

			if (!adev->gfx.mec.mqd_backup[i])

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h

+1 −0
Original line number Diff line number Diff line
@@ -258,6 +258,7 @@ struct amdgpu_ring { 
	struct amdgpu_bo	*mqd_obj;

	uint64_t                mqd_gpu_addr;

	void                    *mqd_ptr;

	unsigned                mqd_size;

	uint64_t                eop_gpu_addr;

	u32			doorbell_index;

	bool			use_doorbell;