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drm/amdgpu: Add kgd/kfd interface to support scratch memory v2 

v2:
* Shortened headline
* Removed write_config_static_mem, it gets initialized by gfx_v?_0_gpu_init
* Renamed alloc_memory_of_scratch to set_scratch_backing_va
* Made set_scratch_backing_va a void function
* Documented set_scratch_backing in kgd_kfd_interface.h

Signed-off-by: Moses Reuben <moses.reuben@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Moses Reuben 2017-08-15 23:00:19 -04:00 committed by Oded Gabbay
parent 111159b58d
commit 09e56abbc6
3 changed files with 34 additions and 2 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
View File

@ -135,6 +135,8 @@ static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
static void set_scratch_backing_va(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid);
static const struct kfd2kgd_calls kfd2kgd = {
.init_gtt_mem_allocation = alloc_gtt_mem,
@ -159,7 +161,8 @@ static const struct kfd2kgd_calls kfd2kgd = {
.get_atc_vmid_pasid_mapping_pasid = get_atc_vmid_pasid_mapping_pasid,
.get_atc_vmid_pasid_mapping_valid = get_atc_vmid_pasid_mapping_valid,
.write_vmid_invalidate_request = write_vmid_invalidate_request,
.get_fw_version = get_fw_version
.get_fw_version = get_fw_version,
.set_scratch_backing_va = set_scratch_backing_va,
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void)
@ -652,6 +655,16 @@ static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
}
static void set_scratch_backing_va(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
lock_srbm(kgd, 0, 0, 0, vmid);
WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va);
unlock_srbm(kgd);
}
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;

16
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
View File

@ -94,6 +94,8 @@ static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
uint8_t vmid);
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
static void set_scratch_backing_va(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid);
static const struct kfd2kgd_calls kfd2kgd = {
.init_gtt_mem_allocation = alloc_gtt_mem,
@ -120,12 +122,14 @@ static const struct kfd2kgd_calls kfd2kgd = {
.get_atc_vmid_pasid_mapping_valid =
get_atc_vmid_pasid_mapping_valid,
.write_vmid_invalidate_request = write_vmid_invalidate_request,
.get_fw_version = get_fw_version
.get_fw_version = get_fw_version,
.set_scratch_backing_va = set_scratch_backing_va,
};
struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)
{
return (struct kfd2kgd_calls *)&kfd2kgd;
return (struct kfd2kgd_calls *)&kfd2kgd;
}
static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
@ -573,6 +577,16 @@ static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
return 0;
}
static void set_scratch_backing_va(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
lock_srbm(kgd, 0, 0, 0, vmid);
WREG32(mmSH_HIDDEN_PRIVATE_BASE_VMID, va);
unlock_srbm(kgd);
}
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
{
struct amdgpu_device *adev = (struct amdgpu_device *) kgd;

5
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
View File

@ -128,6 +128,9 @@ struct kgd2kfd_shared_resources {
*
* @get_fw_version: Returns FW versions from the header
*
* @set_scratch_backing_va: Sets VA for scratch backing memory of a VMID.
* Only used for no cp scheduling mode
*
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@ -199,6 +202,8 @@ struct kfd2kgd_calls {
uint16_t (*get_fw_version)(struct kgd_dev *kgd,
enum kgd_engine_type type);
void (*set_scratch_backing_va)(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid);
};
/**