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drm/amdgpu: added AMD GPU instance counting V2

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Count all GPU instances from AMD(including iGPUs and
dGPUs) in the system.

V2: drop unnecessary initialization for other gpu_info
    members except mutex

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan
2018-09-27 13:26:58 +08:00
committed by Alex Deucher
parent e92b83e508
commit 62d73fbcfb
3 changed files with 73 additions and 0 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -81,6 +81,23 @@
#include "amdgpu_bo_list.h"
#include "amdgpu_gem.h"
#define MAX_GPU_INSTANCE 16
struct amdgpu_gpu_instance
{
struct amdgpu_device *adev;
int mgpu_fan_enabled;
};
struct amdgpu_mgpu_info
{
struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
struct mutex mutex;
uint32_t num_gpu;
uint32_t num_dgpu;
uint32_t num_apu;
};
/*
* Modules parameters.
*/
@@ -134,6 +151,7 @@ extern int amdgpu_compute_multipipe;
extern int amdgpu_gpu_recovery;
extern int amdgpu_emu_mode;
extern uint amdgpu_smu_memory_pool_size;
extern struct amdgpu_mgpu_info mgpu_info;
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;