drm/msm/dpu: remove unused fields from struct dpu_core_perf

Remove dpu_core_perf::dev and dpu_core_perf::debugfs_root fields, they
are not used by the code.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/550200/
Link: https://lore.kernel.org/r/20230730010102.350713-8-dmitry.baryshkov@linaro.org

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

@@ -492,15 +492,12 @@ void dpu_core_perf_destroy(struct dpu_core_perf *perf)
 
 	perf->max_core_clk_rate = 0;
 	perf->core_clk = NULL;
-	perf->dev = NULL;
 }
 
 int dpu_core_perf_init(struct dpu_core_perf *perf,
-		struct drm_device *dev,
 		const struct dpu_perf_cfg *perf_cfg,
 		struct clk *core_clk)
 {
-	perf->dev = dev;
 	perf->perf_cfg = perf_cfg;
 	perf->core_clk = core_clk;
 

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

@@ -36,8 +36,6 @@ struct dpu_core_perf_tune {
 
 /**
  * struct dpu_core_perf - definition of core performance context
- * @dev: Pointer to drm device
- * @debugfs_root: top level debug folder
  * @perf_cfg: Platform-specific performance configuration
  * @core_clk: Pointer to the core clock
  * @core_clk_rate: current core clock rate
@@ -49,8 +47,6 @@ struct dpu_core_perf_tune {
  * @fix_core_ab_vote: fixed core ab vote in bps used in mode 2
  */
 struct dpu_core_perf {
-	struct drm_device *dev;
-	struct dentry *debugfs_root;
 	const struct dpu_perf_cfg *perf_cfg;
 	struct clk *core_clk;
 	u64 core_clk_rate;
@@ -95,12 +91,10 @@ void dpu_core_perf_destroy(struct dpu_core_perf *perf);
 /**
  * dpu_core_perf_init - initialize the given core performance context
  * @perf: Pointer to core performance context
- * @dev: Pointer to drm device
  * @perf_cfg: Pointer to platform performance configuration
  * @core_clk: pointer to core clock
  */
 int dpu_core_perf_init(struct dpu_core_perf *perf,
-		struct drm_device *dev,
 		const struct dpu_perf_cfg *perf_cfg,
 		struct clk *core_clk);
 

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

@@ -1170,7 +1170,7 @@ static int dpu_kms_hw_init(struct msm_kms *kms)
 		dpu_kms->hw_vbif[vbif->id] = hw;
 	}
 
-	rc = dpu_core_perf_init(&dpu_kms->perf, dev, dpu_kms->catalog->perf,
+	rc = dpu_core_perf_init(&dpu_kms->perf, dpu_kms->catalog->perf,
 			msm_clk_bulk_get_clock(dpu_kms->clocks, dpu_kms->num_clocks, "core"));
 	if (rc) {
 		DPU_ERROR("failed to init perf %d\n", rc);