drm/msm/dpu: drop core_clk_rate overrides from _dpu_core_perf_calc_crtc

core_clk_rate override is handled in _dpu_core_perf_get_core_clk_rate().
Drop imperfect duplicating code from _dpu_core_perf_calc_crtc().

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/636070/
Link: https://lore.kernel.org/r/20250209-dpu-perf-rework-v5-7-87e936cf3004@linaro.org

Author: lumag

drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c

@@ -123,16 +123,14 @@ static void _dpu_core_perf_calc_crtc(const struct dpu_core_perf *core_perf,
 	if (core_perf->perf_tune.mode == DPU_PERF_MODE_MINIMUM) {
 		perf->bw_ctl = 0;
 		perf->max_per_pipe_ib = 0;
-		perf->core_clk_rate = 0;
 	} else if (core_perf->perf_tune.mode == DPU_PERF_MODE_FIXED) {
 		perf->bw_ctl = core_perf->fix_core_ab_vote * 1000ULL;
 		perf->max_per_pipe_ib = core_perf->fix_core_ib_vote;
-		perf->core_clk_rate = core_perf->fix_core_clk_rate;
 	} else {
 		perf->bw_ctl = _dpu_core_perf_calc_bw(perf_cfg, crtc);
 		perf->max_per_pipe_ib = perf_cfg->min_dram_ib;
-		perf->core_clk_rate = _dpu_core_perf_calc_clk(perf_cfg, crtc, state);
 	}
+	perf->core_clk_rate = _dpu_core_perf_calc_clk(perf_cfg, crtc, state);
 
 	DRM_DEBUG_ATOMIC(
 		"crtc=%d clk_rate=%llu core_ib=%u core_ab=%u\n",