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    SubjectRe: [PATCH 03/40] drm/amd/pm/powerplay/smumgr/ci_smumgr: Remove set but unused variable 'res'
    On Thu, Nov 26, 2020 at 8:42 AM Lee Jones <lee.jones@linaro.org> wrote:
    >
    > Fixes the following W=1 kernel build warning(s):
    >
    > drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/ci_smumgr.c: In function ‘ci_thermal_setup_fan_table’:
    > drivers/gpu/drm/amd/amdgpu/../pm/powerplay/smumgr/ci_smumgr.c:2132:6: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]
    >
    > Cc: Evan Quan <evan.quan@amd.com>
    > Cc: Alex Deucher <alexander.deucher@amd.com>
    > Cc: "Christian König" <christian.koenig@amd.com>
    > Cc: David Airlie <airlied@linux.ie>
    > Cc: Daniel Vetter <daniel@ffwll.ch>
    > Cc: amd-gfx@lists.freedesktop.org
    > Cc: dri-devel@lists.freedesktop.org
    > Signed-off-by: Lee Jones <lee.jones@linaro.org>
    > ---
    > drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c | 3 +--
    > 1 file changed, 1 insertion(+), 2 deletions(-)
    >
    > diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
    > index 329bf4d44bbce..c1d869b4c7a42 100644
    > --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
    > +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
    > @@ -2129,7 +2129,6 @@ static int ci_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
    > uint32_t t_diff1, t_diff2, pwm_diff1, pwm_diff2;
    > uint16_t fdo_min, slope1, slope2;
    > uint32_t reference_clock;
    > - int res;
    > uint64_t tmp64;
    >
    > if (!phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_MicrocodeFanControl))
    > @@ -2191,7 +2190,7 @@ static int ci_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
    >
    > fan_table.TempSrc = (uint8_t)PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_MULT_THERMAL_CTRL, TEMP_SEL);
    >
    > - res = ci_copy_bytes_to_smc(hwmgr, ci_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);
    > + ci_copy_bytes_to_smc(hwmgr, ci_data->fan_table_start, (uint8_t *)&fan_table, (uint32_t)sizeof(fan_table), SMC_RAM_END);
    >

    Should probably just return the error here. I'll fix it up. Thanks!

    Alex

    > return 0;
    > }
    > --
    > 2.25.1
    >
    > _______________________________________________
    > dri-devel mailing list
    > dri-devel@lists.freedesktop.org
    > https://lists.freedesktop.org/mailman/listinfo/dri-devel

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