diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c index 5a010cd38303..baf51cd82a35 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c @@ -46,42 +46,6 @@ static int smu7_set_smc_sram_address(struct pp_hwmgr *hwmgr, uint32_t smc_addr, } -int smu7_copy_bytes_from_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address, uint32_t *dest, uint32_t byte_count, uint32_t limit) -{ - uint32_t data; - uint32_t addr; - uint8_t *dest_byte; - uint8_t i, data_byte[4] = {0}; - uint32_t *pdata = (uint32_t *)&data_byte; - - PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -EINVAL); - PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -EINVAL); - - addr = smc_start_address; - - while (byte_count >= 4) { - smu7_read_smc_sram_dword(hwmgr, addr, &data, limit); - - *dest = PP_SMC_TO_HOST_UL(data); - - dest += 1; - byte_count -= 4; - addr += 4; - } - - if (byte_count) { - smu7_read_smc_sram_dword(hwmgr, addr, &data, limit); - *pdata = PP_SMC_TO_HOST_UL(data); - /* Cast dest into byte type in dest_byte. This way, we don't overflow if the allocated memory is not 4-byte aligned. */ - dest_byte = (uint8_t *)dest; - for (i = 0; i < byte_count; i++) - dest_byte[i] = data_byte[i]; - } - - return 0; -} - - int smu7_copy_bytes_to_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address, const uint8_t *src, uint32_t byte_count, uint32_t limit) { |