Fetch this info once at init and just store the results for future requests.
Reviewed-by: Christian König christian.koenig@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 20 +++++++++----------- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 4 +--- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 ++++----- drivers/gpu/drm/amd/amdgpu/cik.c | 1 - drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 23 +++++++---------------- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h | 1 - drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 11 ++++------- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h | 1 - drivers/gpu/drm/amd/amdgpu/vi.c | 1 - 9 files changed, 25 insertions(+), 46 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 19ac6c5..f549474 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1147,6 +1147,12 @@ struct amdgpu_gca_config { uint32_t macrotile_mode_array[16]; };
+struct amdgpu_cu_info { + uint32_t number; /* total active CU number */ + uint32_t ao_cu_mask; + uint32_t bitmap[4][4]; +}; + struct amdgpu_gfx { struct mutex gpu_clock_mutex; struct amdgpu_gca_config config; @@ -1179,9 +1185,10 @@ struct amdgpu_gfx { struct amdgpu_irq_src priv_reg_irq; struct amdgpu_irq_src priv_inst_irq; /* gfx status */ - uint32_t gfx_current_status; + uint32_t gfx_current_status; /* ce ram size*/ - unsigned ce_ram_size; + unsigned ce_ram_size; + struct amdgpu_cu_info cu_info; };
int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm, @@ -1793,13 +1800,6 @@ struct amdgpu_allowed_register_entry { bool grbm_indexed; };
-struct amdgpu_cu_info { - uint32_t number; /* total active CU number */ - uint32_t ao_cu_mask; - uint32_t bitmap[4][4]; -}; - - /* * ASIC specific functions. */ @@ -1817,7 +1817,6 @@ struct amdgpu_asic_funcs { u32 (*get_xclk)(struct amdgpu_device *adev); /* get the gpu clock counter */ uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev); - int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info); /* MM block clocks */ int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk); int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk); @@ -2208,7 +2207,6 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev)) #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l)) #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v))) -#define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info)) #define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid)) #define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags)) #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count))) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 490464e..199f76b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -793,7 +793,6 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device, struct cgs_system_info *sys_info) { CGS_FUNC_ADEV; - struct amdgpu_cu_info cu_info;
if (NULL == sys_info) return -ENODEV; @@ -818,8 +817,7 @@ static int amdgpu_cgs_query_system_info(struct cgs_device *cgs_device, sys_info->value = adev->pg_flags; break; case CGS_SYSTEM_INFO_GFX_CU_INFO: - amdgpu_asic_get_cu_info(adev, &cu_info); - sys_info->value = cu_info.number; + sys_info->value = adev->gfx.cu_info.number; break; default: return -ENODEV; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 4ac83c8..c63866e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -427,7 +427,6 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file } case AMDGPU_INFO_DEV_INFO: { struct drm_amdgpu_info_device dev_info = {}; - struct amdgpu_cu_info cu_info;
dev_info.device_id = dev->pdev->device; dev_info.chip_rev = adev->rev_id; @@ -461,11 +460,11 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file AMDGPU_GPU_PAGE_SIZE; dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
- amdgpu_asic_get_cu_info(adev, &cu_info); - dev_info.cu_active_number = cu_info.number; - dev_info.cu_ao_mask = cu_info.ao_cu_mask; + dev_info.cu_active_number = adev->gfx.cu_info.number; + dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask; dev_info.ce_ram_size = adev->gfx.ce_ram_size; - memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); + memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0], + sizeof(adev->gfx.cu_info.bitmap)); dev_info.vram_type = adev->mc.vram_type; dev_info.vram_bit_width = adev->mc.vram_width; dev_info.vce_harvest_config = adev->vce.harvest_config; diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index c6127d6..68e5698 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -2007,7 +2007,6 @@ static const struct amdgpu_asic_funcs cik_asic_funcs = .get_xclk = &cik_get_xclk, .set_uvd_clocks = &cik_set_uvd_clocks, .set_vce_clocks = &cik_set_vce_clocks, - .get_cu_info = &gfx_v7_0_get_cu_info, /* these should be moved to their own ip modules */ .get_gpu_clock_counter = &gfx_v7_0_get_gpu_clock_counter, .wait_for_mc_idle = &gmc_v7_0_mc_wait_for_idle, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 9813819..13d3e96 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -53,7 +53,6 @@ static void gfx_v7_0_set_ring_funcs(struct amdgpu_device *adev); static void gfx_v7_0_set_irq_funcs(struct amdgpu_device *adev); static void gfx_v7_0_set_gds_init(struct amdgpu_device *adev); -int gfx_v7_0_get_cu_info(struct amdgpu_device *, struct amdgpu_cu_info *);
MODULE_FIRMWARE("radeon/bonaire_pfp.bin"); MODULE_FIRMWARE("radeon/bonaire_me.bin"); @@ -882,6 +881,7 @@ static u32 gfx_v7_0_get_csb_size(struct amdgpu_device *adev); static void gfx_v7_0_get_csb_buffer(struct amdgpu_device *adev, volatile u32 *buffer); static void gfx_v7_0_init_cp_pg_table(struct amdgpu_device *adev); static void gfx_v7_0_init_pg(struct amdgpu_device *adev); +static void gfx_v7_0_get_cu_info(struct amdgpu_device *adev);
/* * Core functions @@ -1718,6 +1718,7 @@ static void gfx_v7_0_gpu_init(struct amdgpu_device *adev) gfx_v7_0_tiling_mode_table_init(adev);
gfx_v7_0_setup_rb(adev); + gfx_v7_0_get_cu_info(adev);
/* set HW defaults for 3D engine */ WREG32(mmCP_MEQ_THRESHOLDS, @@ -3868,18 +3869,13 @@ static u32 gfx_v7_0_get_cu_active_bitmap(struct amdgpu_device *adev)
static void gfx_v7_0_init_ao_cu_mask(struct amdgpu_device *adev) { - uint32_t tmp, active_cu_number; - struct amdgpu_cu_info cu_info; - - gfx_v7_0_get_cu_info(adev, &cu_info); - tmp = cu_info.ao_cu_mask; - active_cu_number = cu_info.number; + u32 tmp;
- WREG32(mmRLC_PG_ALWAYS_ON_CU_MASK, tmp); + WREG32(mmRLC_PG_ALWAYS_ON_CU_MASK, adev->gfx.cu_info.ao_cu_mask);
tmp = RREG32(mmRLC_MAX_PG_CU); tmp &= ~RLC_MAX_PG_CU__MAX_POWERED_UP_CU_MASK; - tmp |= (active_cu_number << RLC_MAX_PG_CU__MAX_POWERED_UP_CU__SHIFT); + tmp |= (adev->gfx.cu_info.number << RLC_MAX_PG_CU__MAX_POWERED_UP_CU__SHIFT); WREG32(mmRLC_MAX_PG_CU, tmp); }
@@ -5014,14 +5010,11 @@ static void gfx_v7_0_set_gds_init(struct amdgpu_device *adev) }
-int gfx_v7_0_get_cu_info(struct amdgpu_device *adev, - struct amdgpu_cu_info *cu_info) +static void gfx_v7_0_get_cu_info(struct amdgpu_device *adev) { int i, j, k, counter, active_cu_number = 0; u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0; - - if (!adev || !cu_info) - return -EINVAL; + struct amdgpu_cu_info *cu_info = &adev->gfx.cu_info;
memset(cu_info, 0, sizeof(*cu_info));
@@ -5052,6 +5045,4 @@ int gfx_v7_0_get_cu_info(struct amdgpu_device *adev,
cu_info->number = active_cu_number; cu_info->ao_cu_mask = ao_cu_mask; - - return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h index c04bfba..e747aa9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.h @@ -32,6 +32,5 @@ void gfx_v7_0_exit_rlc_safe_mode(struct amdgpu_device *adev); void gfx_v7_0_rlc_stop(struct amdgpu_device *adev); uint64_t gfx_v7_0_get_gpu_clock_counter(struct amdgpu_device *adev); void gfx_v7_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num); -int gfx_v7_0_get_cu_info(struct amdgpu_device *adev, struct amdgpu_cu_info *cu_info);
#endif diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 2e1ed18..feda7f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -636,6 +636,7 @@ static void gfx_v8_0_set_irq_funcs(struct amdgpu_device *adev); static void gfx_v8_0_set_gds_init(struct amdgpu_device *adev); static void gfx_v8_0_set_rlc_funcs(struct amdgpu_device *adev); static u32 gfx_v8_0_get_csb_size(struct amdgpu_device *adev); +static void gfx_v8_0_get_cu_info(struct amdgpu_device *adev);
static void gfx_v8_0_init_golden_registers(struct amdgpu_device *adev) { @@ -3431,6 +3432,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) gfx_v8_0_tiling_mode_table_init(adev);
gfx_v8_0_setup_rb(adev); + gfx_v8_0_get_cu_info(adev);
/* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ @@ -6211,14 +6213,11 @@ static u32 gfx_v8_0_get_cu_active_bitmap(struct amdgpu_device *adev) return (~data) & mask; }
-int gfx_v8_0_get_cu_info(struct amdgpu_device *adev, - struct amdgpu_cu_info *cu_info) +static void gfx_v8_0_get_cu_info(struct amdgpu_device *adev) { int i, j, k, counter, active_cu_number = 0; u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0; - - if (!adev || !cu_info) - return -EINVAL; + struct amdgpu_cu_info *cu_info = &adev->gfx.cu_info;
memset(cu_info, 0, sizeof(*cu_info));
@@ -6249,6 +6248,4 @@ int gfx_v8_0_get_cu_info(struct amdgpu_device *adev,
cu_info->number = active_cu_number; cu_info->ao_cu_mask = ao_cu_mask; - - return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h index 021e051..16a49f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.h @@ -28,6 +28,5 @@ extern const struct amd_ip_funcs gfx_v8_0_ip_funcs;
uint64_t gfx_v8_0_get_gpu_clock_counter(struct amdgpu_device *adev); void gfx_v8_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num); -int gfx_v8_0_get_cu_info(struct amdgpu_device *adev, struct amdgpu_cu_info *cu_info);
#endif diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 31dd630..b7da094 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1118,7 +1118,6 @@ static const struct amdgpu_asic_funcs vi_asic_funcs = .get_xclk = &vi_get_xclk, .set_uvd_clocks = &vi_set_uvd_clocks, .set_vce_clocks = &vi_set_vce_clocks, - .get_cu_info = &gfx_v8_0_get_cu_info, /* these should be moved to their own ip modules */ .get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter, .wait_for_mc_idle = &gmc_v8_0_mc_wait_for_idle,