drm/msm/dpu: change ib values to u32

The IB values in core_perf calculations (max_per_pipe_ib,
fix_core_ib_vote) are expressed in KBps and are passed to icc_set_bw
without additional division. Change type of those values to u32.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/636061/
Link: https://lore.kernel.org/r/20250209-dpu-perf-rework-v5-3-87e936cf3004@linaro.org

Author: lumag

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

@@ -135,7 +135,7 @@ static void _dpu_core_perf_calc_crtc(const struct dpu_core_perf *core_perf,
 	}
 
 	DRM_DEBUG_ATOMIC(
-		"crtc=%d clk_rate=%llu core_ib=%llu core_ab=%llu\n",
+		"crtc=%d clk_rate=%llu core_ib=%u core_ab=%llu\n",
 			crtc->base.id, perf->core_clk_rate,
 			perf->max_per_pipe_ib, perf->bw_ctl);
 }
@@ -477,7 +477,7 @@ int dpu_core_perf_debugfs_init(struct dpu_kms *dpu_kms, struct dentry *parent)
 			(u32 *)perf, &dpu_core_perf_mode_fops);
 	debugfs_create_u64("fix_core_clk_rate", 0600, entry,
 			&perf->fix_core_clk_rate);
-	debugfs_create_u64("fix_core_ib_vote", 0600, entry,
+	debugfs_create_u32("fix_core_ib_vote", 0600, entry,
 			&perf->fix_core_ib_vote);
 	debugfs_create_u64("fix_core_ab_vote", 0600, entry,
 			&perf->fix_core_ab_vote);

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

@@ -19,7 +19,7 @@
  * @core_clk_rate: core clock rate request
  */
 struct dpu_core_perf_params {
-	u64 max_per_pipe_ib;
+	u32 max_per_pipe_ib;
 	u64 bw_ctl;
 	u64 core_clk_rate;
 };
@@ -40,7 +40,7 @@ struct dpu_core_perf_tune {
  * @perf_tune: debug control for performance tuning
  * @enable_bw_release: debug control for bandwidth release
  * @fix_core_clk_rate: fixed core clock request in Hz used in mode 2
- * @fix_core_ib_vote: fixed core ib vote in bps used in mode 2
+ * @fix_core_ib_vote: fixed core ib vote in KBps used in mode 2
  * @fix_core_ab_vote: fixed core ab vote in bps used in mode 2
  */
 struct dpu_core_perf {
@@ -50,7 +50,7 @@ struct dpu_core_perf {
 	struct dpu_core_perf_tune perf_tune;
 	u32 enable_bw_release;
 	u64 fix_core_clk_rate;
-	u64 fix_core_ib_vote;
+	u32 fix_core_ib_vote;
 	u64 fix_core_ab_vote;
 };
 

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

@@ -1680,7 +1680,7 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
 	seq_printf(s, "core_clk_rate: %llu\n",
 			dpu_crtc->cur_perf.core_clk_rate);
 	seq_printf(s, "bw_ctl: %llu\n", dpu_crtc->cur_perf.bw_ctl);
-	seq_printf(s, "max_per_pipe_ib: %llu\n",
+	seq_printf(s, "max_per_pipe_ib: %u\n",
 				dpu_crtc->cur_perf.max_per_pipe_ib);
 
 	return 0;