RE: [PATCH] drm/amd/powerplay: remove variable 'result' set but not used

From: Quan, Evan
Date: Mon Nov 18 2019 - 01:51:08 EST


Thanks. But it's better to return the 'result' out on 'result != 0'.

Regards,
Evan
-----Original Message-----
From: Chen Wandun <chenwandun@xxxxxxxxxx>
Sent: Saturday, November 16, 2019 11:43 AM
To: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Quan, Evan <Evan.Quan@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
Cc: chenwandun@xxxxxxxxxx
Subject: [PATCH] drm/amd/powerplay: remove variable 'result' set but not used

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

drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c: In function vegam_populate_smc_boot_level:
drivers/gpu/drm/amd/amdgpu/../powerplay/smumgr/vegam_smumgr.c:1364:6: warning: variable result set but not used [-Wunused-but-set-variable]

Signed-off-by: Chen Wandun <chenwandun@xxxxxxxxxx>
---
drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
index 2068eb0..fad78bf 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
@@ -1361,20 +1361,19 @@ static int vegam_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
static int vegam_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
struct SMU75_Discrete_DpmTable *table)
{
- int result = 0;
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);

table->GraphicsBootLevel = 0;
table->MemoryBootLevel = 0;

/* find boot level from dpm table */
- result = phm_find_boot_level(&(data->dpm_table.sclk_table),
- data->vbios_boot_state.sclk_bootup_value,
- (uint32_t *)&(table->GraphicsBootLevel));
+ phm_find_boot_level(&(data->dpm_table.sclk_table),
+ data->vbios_boot_state.sclk_bootup_value,
+ (uint32_t *)&(table->GraphicsBootLevel));

- result = phm_find_boot_level(&(data->dpm_table.mclk_table),
- data->vbios_boot_state.mclk_bootup_value,
- (uint32_t *)&(table->MemoryBootLevel));
+ phm_find_boot_level(&(data->dpm_table.mclk_table),
+ data->vbios_boot_state.mclk_bootup_value,
+ (uint32_t *)&(table->MemoryBootLevel));

table->BootVddc = data->vbios_boot_state.vddc_bootup_value *
VOLTAGE_SCALE;
--
2.7.4