diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 131 |
1 files changed, 40 insertions, 91 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 415da6e100cd..ea137bfe4b72 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -2572,11 +2572,6 @@ static void gfx_v8_0_tiling_mode_table_init(struct amdgpu_device *adev) } } -static u32 gfx_v8_0_create_bitmask(u32 bit_width) -{ - return (u32)((1ULL << bit_width) - 1); -} - void gfx_v8_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num) { u32 data = REG_SET_FIELD(0, GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES, 1); @@ -2597,89 +2592,50 @@ void gfx_v8_0_select_se_sh(struct amdgpu_device *adev, u32 se_num, u32 sh_num) WREG32(mmGRBM_GFX_INDEX, data); } -static u32 gfx_v8_0_get_rb_disabled(struct amdgpu_device *adev, - u32 max_rb_num_per_se, - u32 sh_per_se) +static u32 gfx_v8_0_create_bitmask(u32 bit_width) +{ + return (u32)((1ULL << bit_width) - 1); +} + +static u32 gfx_v8_0_get_rb_active_bitmap(struct amdgpu_device *adev) { u32 data, mask; data = RREG32(mmCC_RB_BACKEND_DISABLE); - data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; - data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE); + data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; data >>= GC_USER_RB_BACKEND_DISABLE__BACKEND_DISABLE__SHIFT; - mask = gfx_v8_0_create_bitmask(max_rb_num_per_se / sh_per_se); + mask = gfx_v8_0_create_bitmask(adev->gfx.config.max_backends_per_se / + adev->gfx.config.max_sh_per_se); - return data & mask; + return (~data) & mask; } -static void gfx_v8_0_setup_rb(struct amdgpu_device *adev, - u32 se_num, u32 sh_per_se, - u32 max_rb_num_per_se) +static void gfx_v8_0_setup_rb(struct amdgpu_device *adev) { int i, j; - u32 data, mask; - u32 disabled_rbs = 0; - u32 enabled_rbs = 0; + u32 data, tmp, num_rbs = 0; + u32 active_rbs = 0; mutex_lock(&adev->grbm_idx_mutex); - for (i = 0; i < se_num; i++) { - for (j = 0; j < sh_per_se; j++) { + for (i = 0; i < adev->gfx.config.max_shader_engines; i++) { + for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) { gfx_v8_0_select_se_sh(adev, i, j); - data = gfx_v8_0_get_rb_disabled(adev, - max_rb_num_per_se, sh_per_se); - disabled_rbs |= data << ((i * sh_per_se + j) * - RB_BITMAP_WIDTH_PER_SH); + data = gfx_v8_0_get_rb_active_bitmap(adev); + active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) * + RB_BITMAP_WIDTH_PER_SH); } } gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff); mutex_unlock(&adev->grbm_idx_mutex); - mask = 1; - for (i = 0; i < max_rb_num_per_se * se_num; i++) { - if (!(disabled_rbs & mask)) - enabled_rbs |= mask; - mask <<= 1; - } - - adev->gfx.config.backend_enable_mask = enabled_rbs; - - mutex_lock(&adev->grbm_idx_mutex); - for (i = 0; i < se_num; i++) { - gfx_v8_0_select_se_sh(adev, i, 0xffffffff); - data = RREG32(mmPA_SC_RASTER_CONFIG); - for (j = 0; j < sh_per_se; j++) { - switch (enabled_rbs & 3) { - case 0: - if (j == 0) - data |= (RASTER_CONFIG_RB_MAP_3 << - PA_SC_RASTER_CONFIG__PKR_MAP__SHIFT); - else - data |= (RASTER_CONFIG_RB_MAP_0 << - PA_SC_RASTER_CONFIG__PKR_MAP__SHIFT); - break; - case 1: - data |= (RASTER_CONFIG_RB_MAP_0 << - (i * sh_per_se + j) * 2); - break; - case 2: - data |= (RASTER_CONFIG_RB_MAP_3 << - (i * sh_per_se + j) * 2); - break; - case 3: - default: - data |= (RASTER_CONFIG_RB_MAP_2 << - (i * sh_per_se + j) * 2); - break; - } - enabled_rbs >>= 2; - } - WREG32(mmPA_SC_RASTER_CONFIG, data); - } - gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); + adev->gfx.config.backend_enable_mask = active_rbs; + tmp = active_rbs; + while (tmp >>= 1) + num_rbs++; + adev->gfx.config.num_rbs = num_rbs; } /** @@ -2749,9 +2705,7 @@ 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, adev->gfx.config.max_shader_engines, - adev->gfx.config.max_sh_per_se, - adev->gfx.config.max_backends_per_se); + gfx_v8_0_setup_rb(adev); /* XXX SH_MEM regs */ /* where to put LDS, scratch, GPUVM in FSA64 space */ @@ -5187,32 +5141,24 @@ static void gfx_v8_0_set_gds_init(struct amdgpu_device *adev) } } -static u32 gfx_v8_0_get_cu_active_bitmap(struct amdgpu_device *adev, - u32 se, u32 sh) +static u32 gfx_v8_0_get_cu_active_bitmap(struct amdgpu_device *adev) { - u32 mask = 0, tmp, tmp1; - int i; + u32 data, mask; - gfx_v8_0_select_se_sh(adev, se, sh); - tmp = RREG32(mmCC_GC_SHADER_ARRAY_CONFIG); - tmp1 = RREG32(mmGC_USER_SHADER_ARRAY_CONFIG); - gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff); + data = RREG32(mmCC_GC_SHADER_ARRAY_CONFIG); + data |= RREG32(mmGC_USER_SHADER_ARRAY_CONFIG); - tmp &= 0xffff0000; + data &= CC_GC_SHADER_ARRAY_CONFIG__INACTIVE_CUS_MASK; + data >>= CC_GC_SHADER_ARRAY_CONFIG__INACTIVE_CUS__SHIFT; - tmp |= tmp1; - tmp >>= 16; + mask = gfx_v8_0_create_bitmask(adev->gfx.config.max_backends_per_se / + adev->gfx.config.max_sh_per_se); - for (i = 0; i < adev->gfx.config.max_cu_per_sh; i ++) { - mask <<= 1; - mask |= 1; - } - - return (~tmp) & mask; + return (~data) & mask; } int gfx_v8_0_get_cu_info(struct amdgpu_device *adev, - struct amdgpu_cu_info *cu_info) + struct amdgpu_cu_info *cu_info) { int i, j, k, counter, active_cu_number = 0; u32 mask, bitmap, ao_bitmap, ao_cu_mask = 0; @@ -5226,10 +5172,11 @@ int gfx_v8_0_get_cu_info(struct amdgpu_device *adev, mask = 1; ao_bitmap = 0; counter = 0; - bitmap = gfx_v8_0_get_cu_active_bitmap(adev, i, j); + gfx_v8_0_select_se_sh(adev, i, j); + bitmap = gfx_v8_0_get_cu_active_bitmap(adev); cu_info->bitmap[i][j] = bitmap; - for (k = 0; k < adev->gfx.config.max_cu_per_sh; k ++) { + for (k = 0; k < 16; k ++) { if (bitmap & mask) { if (counter < 2) ao_bitmap |= mask; @@ -5241,9 +5188,11 @@ int gfx_v8_0_get_cu_info(struct amdgpu_device *adev, ao_cu_mask |= (ao_bitmap << (i * 16 + j * 8)); } } + gfx_v8_0_select_se_sh(adev, 0xffffffff, 0xffffffff); + mutex_unlock(&adev->grbm_idx_mutex); cu_info->number = active_cu_number; cu_info->ao_cu_mask = ao_cu_mask; - mutex_unlock(&adev->grbm_idx_mutex); + return 0; } |