diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 38 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/atomfirmware.h | 14 |
7 files changed, 23 insertions, 53 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index cd3ca971ff76..f42e8d467c12 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -636,9 +636,8 @@ struct amdgpu_fw_vram_usage { struct amdgpu_bo *reserved_bo; void *va; - /* Offset on the top of VRAM, used as c2p write buffer. + /* GDDR6 training support flag. */ - u64 mem_train_fb_loc; bool mem_train_support; }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 9ba80d828876..fdd52d86a4d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -2022,7 +2022,7 @@ int amdgpu_atombios_init(struct amdgpu_device *adev) if (adev->is_atom_fw) { amdgpu_atomfirmware_scratch_regs_init(adev); amdgpu_atomfirmware_allocate_fb_scratch(adev); - ret = amdgpu_atomfirmware_get_mem_train_fb_loc(adev); + ret = amdgpu_atomfirmware_get_mem_train_info(adev); if (ret) { DRM_ERROR("Failed to get mem train fb location.\n"); return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c index ff4eb96bdfb5..58f9d8c3a17a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c @@ -525,16 +525,12 @@ static int gddr6_mem_train_support(struct amdgpu_device *adev) return ret; } -int amdgpu_atomfirmware_get_mem_train_fb_loc(struct amdgpu_device *adev) +int amdgpu_atomfirmware_get_mem_train_info(struct amdgpu_device *adev) { struct atom_context *ctx = adev->mode_info.atom_context; - unsigned char *bios = ctx->bios; - struct vram_reserve_block *reserved_block; - int index, block_number; + int index; uint8_t frev, crev; uint16_t data_offset, size; - uint32_t start_address_in_kb; - uint64_t offset; int ret; adev->fw_vram_usage.mem_train_support = false; @@ -569,32 +565,6 @@ int amdgpu_atomfirmware_get_mem_train_fb_loc(struct amdgpu_device *adev) return -EINVAL; } - reserved_block = (struct vram_reserve_block *) - (bios + data_offset + sizeof(struct atom_common_table_header)); - block_number = ((unsigned int)size - sizeof(struct atom_common_table_header)) - / sizeof(struct vram_reserve_block); - reserved_block += (block_number > 0) ? block_number-1 : 0; - DRM_DEBUG("block_number:0x%04x, last block: 0x%08xkb sz, %dkb fw, %dkb drv.\n", - block_number, - le32_to_cpu(reserved_block->start_address_in_kb), - le16_to_cpu(reserved_block->used_by_firmware_in_kb), - le16_to_cpu(reserved_block->used_by_driver_in_kb)); - if (reserved_block->used_by_firmware_in_kb > 0) { - start_address_in_kb = le32_to_cpu(reserved_block->start_address_in_kb); - offset = (uint64_t)start_address_in_kb * ONE_KiB; - if ((offset & (ONE_MiB - 1)) < (4 * ONE_KiB + 1) ) { - offset -= ONE_MiB; - } - - offset &= ~(ONE_MiB - 1); - adev->fw_vram_usage.mem_train_fb_loc = offset; - adev->fw_vram_usage.mem_train_support = true; - DRM_DEBUG("mem_train_fb_loc:0x%09llx.\n", offset); - ret = 0; - } else { - DRM_ERROR("used_by_firmware_in_kb is 0!\n"); - ret = -EINVAL; - } - - return ret; + adev->fw_vram_usage.mem_train_support = true; + return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h index f871af5ea6f3..434fe2fa0089 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h @@ -31,7 +31,7 @@ void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev); int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev); int amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev, int *vram_width, int *vram_type, int *vram_vendor); -int amdgpu_atomfirmware_get_mem_train_fb_loc(struct amdgpu_device *adev); +int amdgpu_atomfirmware_get_mem_train_info(struct amdgpu_device *adev); int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev); int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev); bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index fbf2961202ee..37b027fb0916 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1720,6 +1720,14 @@ static int amdgpu_ttm_training_reserve_vram_fini(struct amdgpu_device *adev) return 0; } +static u64 amdgpu_ttm_training_get_c2p_offset(u64 vram_size) +{ + if ((vram_size & (ONE_MiB - 1)) < (4 * ONE_KiB + 1) ) + vram_size -= ONE_MiB; + + return ALIGN(vram_size, ONE_MiB); +} + /** * amdgpu_ttm_training_reserve_vram_init - create bo vram reservation from memory training * @@ -1738,7 +1746,7 @@ static int amdgpu_ttm_training_reserve_vram_init(struct amdgpu_device *adev) return 0; } - ctx->c2p_train_data_offset = adev->fw_vram_usage.mem_train_fb_loc; + ctx->c2p_train_data_offset = amdgpu_ttm_training_get_c2p_offset(adev->gmc.mc_vram_size); ctx->p2c_train_data_offset = (adev->gmc.mc_vram_size - GDDR6_MEM_TRAINING_OFFSET); ctx->train_data_size = GDDR6_MEM_TRAINING_DATA_SIZE_IN_BYTES; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h index 0dddedc06ae3..e8715287af04 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h @@ -66,6 +66,13 @@ struct amdgpu_copy_mem { unsigned long offset; }; +/* Definitions for constance */ +enum amdgpu_internal_constants +{ + ONE_KiB = 0x400, + ONE_MiB = 0x100000, +}; + extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func; extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func; diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h index dd7cbc00a0aa..70146518174c 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -672,20 +672,6 @@ struct vram_usagebyfirmware_v2_1 uint16_t used_by_driver_in_kb; }; -/* This is part of vram_usagebyfirmware_v2_1 */ -struct vram_reserve_block -{ - uint32_t start_address_in_kb; - uint16_t used_by_firmware_in_kb; - uint16_t used_by_driver_in_kb; -}; - -/* Definitions for constance */ -enum atomfirmware_internal_constants -{ - ONE_KiB = 0x400, - ONE_MiB = 0x100000, -}; /* *************************************************************************** |