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| author | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2021-12-31 09:10:03 +0100 |
|---|---|---|
| committer | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2022-01-20 18:32:46 +0100 |
| commit | de84cdc563ecc0d054a20454a5fa4f00648548ba (patch) | |
| tree | 864179cbb054ffdd86d6b2e6209b73aab5b02c67 /amdgpu | |
| parent | 94bc8144167eed215621ef61a3dd3435d4faf26e (diff) | |
| download | drm-de84cdc563ecc0d054a20454a5fa4f00648548ba.tar.gz | |
amdgpu: implement new CTX OP to set/get stable pstates
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Diffstat (limited to 'amdgpu')
| -rw-r--r-- | amdgpu/amdgpu-symbols.txt | 1 | ||||
| -rw-r--r-- | amdgpu/amdgpu.h | 15 | ||||
| -rw-r--r-- | amdgpu/amdgpu_cs.c | 22 |
3 files changed, 38 insertions, 0 deletions
diff --git a/amdgpu/amdgpu-symbols.txt b/amdgpu/amdgpu-symbols.txt index af2b6439..d41d9c24 100644 --- a/amdgpu/amdgpu-symbols.txt +++ b/amdgpu/amdgpu-symbols.txt @@ -25,6 +25,7 @@ amdgpu_cs_ctx_create amdgpu_cs_ctx_create2 amdgpu_cs_ctx_free amdgpu_cs_ctx_override_priority +amdgpu_cs_ctx_stable_pstate amdgpu_cs_destroy_semaphore amdgpu_cs_destroy_syncobj amdgpu_cs_export_syncobj diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h index cde8585c..5ef2524a 100644 --- a/amdgpu/amdgpu.h +++ b/amdgpu/amdgpu.h @@ -940,6 +940,21 @@ int amdgpu_cs_ctx_override_priority(amdgpu_device_handle dev, unsigned priority); /** + * Set or query the stable power state for GPU profiling. + * + * \param dev - \c [in] device handle + * \param op - \c [in] AMDGPU_CTX_OP_{GET,SET}_STABLE_PSTATE + * \param flags - \c [in] AMDGPU_CTX_STABLE_PSTATE_* + * \param out_flags - \c [out] output current stable pstate + * + * \return 0 on success otherwise POSIX Error code. + */ +int amdgpu_cs_ctx_stable_pstate(amdgpu_context_handle context, + uint32_t op, + uint32_t flags, + uint32_t *out_flags); + +/** * Query reset state for the specific GPU Context * * \param context - \c [in] GPU Context handle diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c index fad484bf..638fd7d6 100644 --- a/amdgpu/amdgpu_cs.c +++ b/amdgpu/amdgpu_cs.c @@ -167,6 +167,28 @@ drm_public int amdgpu_cs_ctx_override_priority(amdgpu_device_handle dev, return 0; } +drm_public int amdgpu_cs_ctx_stable_pstate(amdgpu_context_handle context, + uint32_t op, + uint32_t flags, + uint32_t *out_flags) +{ + union drm_amdgpu_ctx args; + int r; + + if (!context) + return -EINVAL; + + memset(&args, 0, sizeof(args)); + args.in.op = op; + args.in.ctx_id = context->id; + args.in.flags = flags; + r = drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_CTX, + &args, sizeof(args)); + if (!r && out_flags) + *out_flags = args.out.pstate.flags; + return r; +} + drm_public int amdgpu_cs_query_reset_state(amdgpu_context_handle context, uint32_t *state, uint32_t *hangs) { |