It varies by generation and we need to know the size
to expose this via debugfs.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
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 c50d59855011..5435f41a3b7f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -404,6 +404,7 @@ 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])
@@ -424,6 +425,7 @@ 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] = 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 7942cb62e52c..deb9f7bead02 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -257,6 +257,7 @@ 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;
--
2.39.2
