drm/msm/dpu: move max clock decision to dpu_kms.

dpu_core_perf should not make decisions on the maximum possible core
clock rate. Pass the value from dpu_kms_hw_init() and drop handling of
core_clk from dpu_core_perf.c

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/550201/
Link: https://lore.kernel.org/r/20230730010102.350713-10-dmitry.baryshkov@linaro.org

1 files changed, 2 insertions, 9 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
index 6a0f0ede4781..665b7b21a817 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
@@ -489,21 +489,14 @@ void dpu_core_perf_destroy(struct dpu_core_perf *perf)
 	}
 
 	perf->max_core_clk_rate = 0;
-	perf->core_clk = NULL;
 }
 
 int dpu_core_perf_init(struct dpu_core_perf *perf,
 		const struct dpu_perf_cfg *perf_cfg,
-		struct clk *core_clk)
+		unsigned long max_core_clk_rate)
 {
 	perf->perf_cfg = perf_cfg;
-	perf->core_clk = core_clk;
-
-	perf->max_core_clk_rate = clk_get_rate(core_clk);
-	if (!perf->max_core_clk_rate) {
-		DPU_DEBUG("optional max core clk rate, use default\n");
-		perf->max_core_clk_rate = DPU_PERF_DEFAULT_MAX_CORE_CLK_RATE;
-	}
+	perf->max_core_clk_rate = max_core_clk_rate;
 
 	return 0;
 }