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amd/ds: implement amdgpu_ctx_create

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Implement amdgpu_ctx_create to create a context to handle the
main process of querying performance counter.

Change-Id: Ic6f741436886bdc3ee3023b52d0f582ce7d2b6b6
This commit is contained in:
Julia Zhang 2024-12-21 00:17:00 +08:00
parent 557fab121e
commit ede29afcff
2 changed files with 21 additions and 0 deletions
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18
src/amd/ds/amd_pps_perf.cc
View file

@ -46,11 +46,20 @@ bool AMDPerf::amd_perf_init(int drm_fd, bool is_virtio)
if (!ret)
return false;
ret = amdgpu_ctx_create();
if (ret)
goto error_ctx_create;
return true;
error_ctx_create:
amdgpu_device_destroy();
return false;
}
void AMDPerf::amd_perf_destroy()
{
amdgpu_ctx_destroy();
amdgpu_device_destroy();
}
@ -71,3 +80,12 @@ void AMDPerf::amdgpu_device_destroy()
dev = NULL;
}
bool AMDPerf::amdgpu_ctx_create()
{
return ac_drm_cs_ctx_create2(dev, AMDGPU_CTX_PRIORITY_NORMAL, &ctx);
}
void AMDPerf::amdgpu_ctx_destroy()
{
ac_drm_cs_ctx_free(dev, ctx);
}

3
src/amd/ds/amd_pps_perf.h
View file

@ -17,9 +17,12 @@ private:
ac_drm_device *dev;
struct radeon_info info;
uint32_t drm_major, drm_minor;
uint32_t ctx;
bool amdgpu_device_create(int drm_fd);
void amdgpu_device_destroy();
bool amdgpu_ctx_create();
void amdgpu_ctx_destroy();
public:
AMDPerf();