On Fri, 02 Sep 2022, cgel.zte@xxxxxxxxx wrote:
> From: zhang songyi <zhang.songyi@xxxxxxxxxx>
>
> Return the mul_u32_fixed16() and div_fixed16() directly instead of
> redundant variables.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: zhang songyi <zhang.songyi@xxxxxxxxxx>
NAK.
BR,
Jani.
> ---
> drivers/gpu/drm/i915/intel_pm.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 210c1f78cc90..a6757ed9081a 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5272,7 +5272,6 @@ skl_wm_method2(u32 pixel_rate, u32 pipe_htotal, u32 latency,
> uint_fixed_16_16_t plane_blocks_per_line)
> {
> u32 wm_intermediate_val;
> - uint_fixed_16_16_t ret;
>
> if (latency == 0)
> return FP_16_16_MAX;
> @@ -5280,8 +5279,8 @@ skl_wm_method2(u32 pixel_rate, u32 pipe_htotal, u32 latency,
> wm_intermediate_val = latency * pixel_rate;
> wm_intermediate_val = DIV_ROUND_UP(wm_intermediate_val,
> pipe_htotal * 1000);
> - ret = mul_u32_fixed16(wm_intermediate_val, plane_blocks_per_line);
> - return ret;
> +
> + return mul_u32_fixed16(wm_intermediate_val, plane_blocks_per_line);
> }
>
> static uint_fixed_16_16_t
> @@ -5290,7 +5289,6 @@ intel_get_linetime_us(const struct intel_crtc_state *crtc_state)
> struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
> u32 pixel_rate;
> u32 crtc_htotal;
> - uint_fixed_16_16_t linetime_us;
>
> if (!crtc_state->hw.active)
> return u32_to_fixed16(0);
> @@ -5301,9 +5299,8 @@ intel_get_linetime_us(const struct intel_crtc_state *crtc_state)
> return u32_to_fixed16(0);
>
> crtc_htotal = crtc_state->hw.pipe_mode.crtc_htotal;
> - linetime_us = div_fixed16(crtc_htotal * 1000, pixel_rate);
>
> - return linetime_us;
> + return div_fixed16(crtc_htotal * 1000, pixel_rate);
> }
>
> static int
--
Jani Nikula, Intel Open Source Graphics Center
