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authorDave Airlie <airlied@redhat.com>2020-10-12 10:40:42 +1000
committerDave Airlie <airlied@redhat.com>2020-10-12 10:40:43 +1000
commit0d2e90f47c4f80a5dcf10f5fe57b5e692e62b48f (patch)
tree19f614877383451508f83536c9b304213c5394e3 /drivers/gpu/drm/amd/include/kgd_kfd_interface.h
parent2e49520eeec7f003ddff2a6f70a9a7bc0b9f0906 (diff)
parent9c27bc97aff8bbe62b5b29ebf528291dd85d9c86 (diff)
Merge tag 'amd-drm-fixes-5.10-2020-10-09' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-fixes-5.10-2020-10-09: amdgpu: - Clean up indirect register access - Navy Flounder fixes - SMU11 AC/DC interrupt fixes - GPUVM alignment fix - Display fixes - Misc other fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201009222810.4030-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/include/kgd_kfd_interface.h')
-rw-r--r--drivers/gpu/drm/amd/include/kgd_kfd_interface.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index fc592f60e6a0..e37b4b9f626d 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -212,6 +212,15 @@ struct tile_config {
* IH ring entry. This function allows the KFD ISR to get the VMID
* from the fault status register as early as possible.
*
+ * @get_cu_occupancy: Function pointer that returns to caller the number
+ * of wave fronts that are in flight for all of the queues of a process
+ * as identified by its pasid. It is important to note that the value
+ * returned by this function is a snapshot of current moment and cannot
+ * guarantee any minimum for the number of waves in-flight. This function
+ * is defined for devices that belong to GFX9 and later GFX families. Care
+ * must be taken in calling this function as it is not defined for devices
+ * that belong to GFX8 and below GFX families.
+ *
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@@ -286,6 +295,9 @@ struct kfd2kgd_calls {
void (*set_vm_context_page_table_base)(struct kgd_dev *kgd,
uint32_t vmid, uint64_t page_table_base);
uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd);
+
+ void (*get_cu_occupancy)(struct kgd_dev *kgd, int pasid, int *wave_cnt,
+ int *max_waves_per_cu);
};
#endif /* KGD_KFD_INTERFACE_H_INCLUDED */