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Subject[PATCH AUTOSEL 5.4 124/459] drm/amd/powerplay: remove set but not used variable 'vbios_version', 'data'
Date
From: zhengbin <zhengbin13@huawei.com>

[ Upstream commit cb7709223b39287a020e92ff880d11d377dc53a1 ]

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c: In function smu7_check_mc_firmware:
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c:4215:11: warning: variable vbios_version set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c: In function smu7_get_performance_level:
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c:5054:21: warning: variable data set but not used [-Wunused-but-set-variable]

'vbios_version' is introduced by commit 599a7e9fe1b6 ("drm/amd/powerplay:
implement smu7 hwmgr to manager asics with smu ip version 7."),
but never used, so remove it.

'data' is introduced by commit f688b614b643 ("drm/amd/pp:
Implement get_performance_level for legacy dgpu"), but never used,
so remove it.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 203ce4b1028f8..042800f63ef32 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -4232,7 +4232,6 @@ static int smu7_check_mc_firmware(struct pp_hwmgr *hwmgr)
{
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

- uint32_t vbios_version;
uint32_t tmp;

/* Read MC indirect register offset 0x9F bits [3:0] to see
@@ -4241,7 +4240,6 @@ static int smu7_check_mc_firmware(struct pp_hwmgr *hwmgr)
*/

smu7_get_mc_microcode_version(hwmgr);
- vbios_version = hwmgr->microcode_version_info.MC & 0xf;

data->need_long_memory_training = false;

@@ -5071,13 +5069,11 @@ static int smu7_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw
PHM_PerformanceLevel *level)
{
const struct smu7_power_state *ps;
- struct smu7_hwmgr *data;
uint32_t i;

if (level == NULL || hwmgr == NULL || state == NULL)
return -EINVAL;

- data = hwmgr->backend;
ps = cast_const_phw_smu7_power_state(state);

i = index > ps->performance_level_count - 1 ?
--
2.20.1
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