From b185c31847856d9fa3008f727a824db163df0801 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 21 Mar 2023 13:28:33 -0400 Subject: [PATCH] drm/amdgpu: track MQD size for gfx and compute MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit It varies by generation and we need to know the size to expose this via debugfs. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 465ad0b..60bb4bb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -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]) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 2aa6cc1..b0dc0a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -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; -- 2.7.4