On Mon, Jan 4, 2016 at 3:44 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> The cast to uint8_t happens before the right shift so this always sets
> .m3arb to zero. The cast is actually a no-op so we can remove it.
>
> Fixes: 3bace3591493 ('drm/amd/powerplay: add hardware manager sub-component')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Applied. thanks!
Alex
> ---
> Static analysis stuff. Not tested.
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
> index 1d385f4..9031a44 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
> @@ -735,8 +735,8 @@ static int init_non_clock_fields(struct pp_hwmgr *hwmgr,
>
> ps->memory.dllOff = (0 != tmp);
>
> - ps->memory.m3arb = (uint8_t)(le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
> - ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT;
> + ps->memory.m3arb = (le32_to_cpu(pnon_clock_info->ulCapsAndSettings) &
> + ATOM_PPLIB_M3ARB_MASK) >> ATOM_PPLIB_M3ARB_SHIFT;
>
> ps->temperatures.min = PP_TEMPERATURE_UNITS_PER_CENTIGRADES *
> pnon_clock_info->ucMinTemperature;
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