Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/pm/smu7: Remove unused smu7_copy_bytes_from_smc
smu7_copy_bytes_from_smc() was added in 2016 by
commit 1ff55f465103 ("drm/amd/powerplay: implement smu7_smumgr for asics
with smu ip version 7.")
but never used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Dr. David Alan Gilbert
and committed by
Alex Deucher
1d8d8b8d
c2a3bac7
-38
-36
drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
-36
drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.c
···
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}
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-
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)
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-
{
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uint32_t data;
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uint32_t addr;
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uint8_t *dest_byte;
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uint8_t i, data_byte[4] = {0};
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uint32_t *pdata = (uint32_t *)&data_byte;
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-
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PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -EINVAL);
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PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -EINVAL);
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addr = smc_start_address;
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-
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while (byte_count >= 4) {
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smu7_read_smc_sram_dword(hwmgr, addr, &data, limit);
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*dest = PP_SMC_TO_HOST_UL(data);
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dest += 1;
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byte_count -= 4;
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addr += 4;
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}
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if (byte_count) {
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smu7_read_smc_sram_dword(hwmgr, addr, &data, limit);
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*pdata = PP_SMC_TO_HOST_UL(data);
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/* Cast dest into byte type in dest_byte. This way, we don't overflow if the allocated memory is not 4-byte aligned. */
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dest_byte = (uint8_t *)dest;
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for (i = 0; i < byte_count; i++)
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dest_byte[i] = data_byte[i];
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}
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return 0;
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}
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int smu7_copy_bytes_to_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address,
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const uint8_t *src, uint32_t byte_count, uint32_t limit)
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{
-2
drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.h
-2
drivers/gpu/drm/amd/pm/powerplay/smumgr/smu7_smumgr.h
···
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};
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-
int smu7_copy_bytes_from_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address,
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uint32_t *dest, uint32_t byte_count, uint32_t limit);
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int smu7_copy_bytes_to_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address,
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const uint8_t *src, uint32_t byte_count, uint32_t limit);
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int smu7_program_jump_on_start(struct pp_hwmgr *hwmgr);