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drm/amdkfd: Make get_tile_config() generic
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Given we can query all the asic specific information from amdgpu_gfx_config,
we can make get_tile_config() generic.

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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YongZhao12 authored and alexdeucher committed Feb 28, 2020
1 parent 94b5c21 commit fd7d08b
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Showing 10 changed files with 26 additions and 116 deletions.
3 changes: 3 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
Original file line number Diff line number Diff line change
Expand Up @@ -242,6 +242,9 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd,
void amdgpu_amdkfd_gpuvm_init_mem_limits(void);
void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo);

int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config);

/* KGD2KFD callbacks */
int kgd2kfd_init(void);
void kgd2kfd_exit(void);
Expand Down
1 change: 0 additions & 1 deletion drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c
Original file line number Diff line number Diff line change
Expand Up @@ -319,7 +319,6 @@ const struct kfd2kgd_calls arcturus_kfd2kgd = {
.address_watch_get_offset = kgd_gfx_v9_address_watch_get_offset,
.get_atc_vmid_pasid_mapping_info =
kgd_gfx_v9_get_atc_vmid_pasid_mapping_info,
.get_tile_config = kgd_gfx_v9_get_tile_config,
.set_vm_context_page_table_base = kgd_set_vm_context_page_table_base,
.get_hive_id = amdgpu_amdkfd_get_hive_id,
};
33 changes: 0 additions & 33 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
Original file line number Diff line number Diff line change
Expand Up @@ -42,38 +42,6 @@ enum hqd_dequeue_request_type {
SAVE_WAVES
};

/* Because of REG_GET_FIELD() being used, we put this function in the
* asic specific file.
*/
static int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

config->gb_addr_config = adev->gfx.config.gb_addr_config;
#if 0
/* TODO - confirm REG_GET_FIELD x2, should be OK as is... but
* MC_ARB_RAMCFG register doesn't exist on Vega10 - initial amdgpu
* changes commented out related code, doing the same here for now but
* need to sync with Ken et al
*/
config->num_banks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFBANK);
config->num_ranks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFRANKS);
#endif

config->tile_config_ptr = adev->gfx.config.tile_mode_array;
config->num_tile_configs =
ARRAY_SIZE(adev->gfx.config.tile_mode_array);
config->macro_tile_config_ptr =
adev->gfx.config.macrotile_mode_array;
config->num_macro_tile_configs =
ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);

return 0;
}

static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
{
return (struct amdgpu_device *)kgd;
Expand Down Expand Up @@ -805,7 +773,6 @@ const struct kfd2kgd_calls gfx_v10_kfd2kgd = {
.address_watch_get_offset = kgd_address_watch_get_offset,
.get_atc_vmid_pasid_mapping_info =
get_atc_vmid_pasid_mapping_info,
.get_tile_config = amdgpu_amdkfd_get_tile_config,
.set_vm_context_page_table_base = set_vm_context_page_table_base,
.get_hive_id = amdgpu_amdkfd_get_hive_id,
.get_unique_id = amdgpu_amdkfd_get_unique_id,
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26 changes: 0 additions & 26 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
Original file line number Diff line number Diff line change
Expand Up @@ -84,31 +84,6 @@ union TCP_WATCH_CNTL_BITS {
float f32All;
};

/* Because of REG_GET_FIELD() being used, we put this function in the
* asic specific file.
*/
static int get_tile_config(struct kgd_dev *kgd,
struct tile_config *config)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

config->gb_addr_config = adev->gfx.config.gb_addr_config;
config->num_banks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFBANK);
config->num_ranks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFRANKS);

config->tile_config_ptr = adev->gfx.config.tile_mode_array;
config->num_tile_configs =
ARRAY_SIZE(adev->gfx.config.tile_mode_array);
config->macro_tile_config_ptr =
adev->gfx.config.macrotile_mode_array;
config->num_macro_tile_configs =
ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);

return 0;
}

static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
{
return (struct amdgpu_device *)kgd;
Expand Down Expand Up @@ -730,7 +705,6 @@ const struct kfd2kgd_calls gfx_v7_kfd2kgd = {
.address_watch_get_offset = kgd_address_watch_get_offset,
.get_atc_vmid_pasid_mapping_info = get_atc_vmid_pasid_mapping_info,
.set_scratch_backing_va = set_scratch_backing_va,
.get_tile_config = get_tile_config,
.set_vm_context_page_table_base = set_vm_context_page_table_base,
.read_vmid_from_vmfault_reg = read_vmid_from_vmfault_reg,
};
26 changes: 0 additions & 26 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
Original file line number Diff line number Diff line change
Expand Up @@ -41,31 +41,6 @@ enum hqd_dequeue_request_type {
RESET_WAVES
};

/* Because of REG_GET_FIELD() being used, we put this function in the
* asic specific file.
*/
static int get_tile_config(struct kgd_dev *kgd,
struct tile_config *config)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

config->gb_addr_config = adev->gfx.config.gb_addr_config;
config->num_banks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFBANK);
config->num_ranks = REG_GET_FIELD(adev->gfx.config.mc_arb_ramcfg,
MC_ARB_RAMCFG, NOOFRANKS);

config->tile_config_ptr = adev->gfx.config.tile_mode_array;
config->num_tile_configs =
ARRAY_SIZE(adev->gfx.config.tile_mode_array);
config->macro_tile_config_ptr =
adev->gfx.config.macrotile_mode_array;
config->num_macro_tile_configs =
ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);

return 0;
}

static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
{
return (struct amdgpu_device *)kgd;
Expand Down Expand Up @@ -676,6 +651,5 @@ const struct kfd2kgd_calls gfx_v8_kfd2kgd = {
.get_atc_vmid_pasid_mapping_info =
get_atc_vmid_pasid_mapping_info,
.set_scratch_backing_va = set_scratch_backing_va,
.get_tile_config = get_tile_config,
.set_vm_context_page_table_base = set_vm_context_page_table_base,
};
23 changes: 0 additions & 23 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
Original file line number Diff line number Diff line change
Expand Up @@ -48,28 +48,6 @@ enum hqd_dequeue_request_type {
RESET_WAVES
};


/* Because of REG_GET_FIELD() being used, we put this function in the
* asic specific file.
*/
int kgd_gfx_v9_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

config->gb_addr_config = adev->gfx.config.gb_addr_config;

config->tile_config_ptr = adev->gfx.config.tile_mode_array;
config->num_tile_configs =
ARRAY_SIZE(adev->gfx.config.tile_mode_array);
config->macro_tile_config_ptr =
adev->gfx.config.macrotile_mode_array;
config->num_macro_tile_configs =
ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);

return 0;
}

static inline struct amdgpu_device *get_amdgpu_device(struct kgd_dev *kgd)
{
return (struct amdgpu_device *)kgd;
Expand Down Expand Up @@ -736,7 +714,6 @@ const struct kfd2kgd_calls gfx_v9_kfd2kgd = {
.address_watch_get_offset = kgd_gfx_v9_address_watch_get_offset,
.get_atc_vmid_pasid_mapping_info =
kgd_gfx_v9_get_atc_vmid_pasid_mapping_info,
.get_tile_config = kgd_gfx_v9_get_tile_config,
.set_vm_context_page_table_base = kgd_gfx_v9_set_vm_context_page_table_base,
.get_hive_id = amdgpu_amdkfd_get_hive_id,
.get_unique_id = amdgpu_amdkfd_get_unique_id,
Expand Down
2 changes: 0 additions & 2 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.h
Original file line number Diff line number Diff line change
Expand Up @@ -60,5 +60,3 @@ uint32_t kgd_gfx_v9_address_watch_get_offset(struct kgd_dev *kgd,

bool kgd_gfx_v9_get_atc_vmid_pasid_mapping_info(struct kgd_dev *kgd,
uint8_t vmid, uint16_t *p_pasid);
int kgd_gfx_v9_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config);
22 changes: 22 additions & 0 deletions drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
Original file line number Diff line number Diff line change
Expand Up @@ -2242,3 +2242,25 @@ int amdgpu_amdkfd_remove_gws_from_process(void *info, void *mem)
kfree(mem);
return 0;
}

/* Returns GPU-specific tiling mode information */
int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config)
{
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

config->gb_addr_config = adev->gfx.config.gb_addr_config;
config->tile_config_ptr = adev->gfx.config.tile_mode_array;
config->num_tile_configs =
ARRAY_SIZE(adev->gfx.config.tile_mode_array);
config->macro_tile_config_ptr =
adev->gfx.config.macrotile_mode_array;
config->num_macro_tile_configs =
ARRAY_SIZE(adev->gfx.config.macrotile_mode_array);

/* Those values are not set from GFX9 onwards */
config->num_banks = adev->gfx.config.num_banks;
config->num_ranks = adev->gfx.config.num_ranks;

return 0;
}
2 changes: 1 addition & 1 deletion drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
Original file line number Diff line number Diff line change
Expand Up @@ -1169,7 +1169,7 @@ static int kfd_ioctl_get_tile_config(struct file *filep,
if (!dev)
return -EINVAL;

dev->kfd2kgd->get_tile_config(dev->kgd, &config);
amdgpu_amdkfd_get_tile_config(dev->kgd, &config);

args->gb_addr_config = config.gb_addr_config;
args->num_banks = config.num_banks;
Expand Down
4 changes: 0 additions & 4 deletions drivers/gpu/drm/amd/include/kgd_kfd_interface.h
Original file line number Diff line number Diff line change
Expand Up @@ -223,8 +223,6 @@ struct tile_config {
* @set_scratch_backing_va: Sets VA for scratch backing memory of a VMID.
* Only used for no cp scheduling mode
*
* @get_tile_config: Returns GPU-specific tiling mode information
*
* @set_vm_context_page_table_base: Program page table base for a VMID
*
* @invalidate_tlbs: Invalidate TLBs for a specific PASID
Expand Down Expand Up @@ -310,8 +308,6 @@ struct kfd2kgd_calls {
void (*set_scratch_backing_va)(struct kgd_dev *kgd,
uint64_t va, uint32_t vmid);

int (*get_tile_config)(struct kgd_dev *kgd, struct tile_config *config);

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);
Expand Down

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