add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c
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@@ -1,18 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #include <drm/drm_crtc.h>
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-#include <drm/drm_crtc_helper.h>
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+#include <drm/drm_probe_helper.h>
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8
 
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 #include "mdp5_kms.h"
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10
 
..
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@@ -22,57 +14,36 @@
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 	return to_mdp5_kms(to_mdp_kms(priv->kms));
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 }
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16
 
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-#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
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-#include <mach/board.h>
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-#include <linux/msm-bus.h>
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-#include <linux/msm-bus-board.h>
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-
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-static void bs_set(struct mdp5_encoder *mdp5_cmd_enc, int idx)
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-{
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-	if (mdp5_cmd_enc->bsc) {
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-		DBG("set bus scaling: %d", idx);
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-		/* HACK: scaling down, and then immediately back up
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-		 * seems to leave things broken (underflow).. so
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-		 * never disable:
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-		 */
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-		idx = 1;
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-		msm_bus_scale_client_update_request(mdp5_cmd_enc->bsc, idx);
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-	}
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-}
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-#else
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-static void bs_set(struct mdp5_encoder *mdp5_cmd_enc, int idx) {}
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-#endif
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-
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 #define VSYNC_CLK_RATE 19200000
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 static int pingpong_tearcheck_setup(struct drm_encoder *encoder,
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 				    struct drm_display_mode *mode)
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 {
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 	struct mdp5_kms *mdp5_kms = get_kms(encoder);
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 	struct device *dev = encoder->dev->dev;
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-	u32 total_lines_x100, vclks_line, cfg;
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+	u32 total_lines, vclks_line, cfg;
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 	long vsync_clk_speed;
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 	struct mdp5_hw_mixer *mixer = mdp5_crtc_get_mixer(encoder->crtc);
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 	int pp_id = mixer->pp;
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 	if (IS_ERR_OR_NULL(mdp5_kms->vsync_clk)) {
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-		dev_err(dev, "vsync_clk is not initialized\n");
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+		DRM_DEV_ERROR(dev, "vsync_clk is not initialized\n");
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 		return -EINVAL;
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 	}
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-	total_lines_x100 = mode->vtotal * mode->vrefresh;
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-	if (!total_lines_x100) {
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-		dev_err(dev, "%s: vtotal(%d) or vrefresh(%d) is 0\n",
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-				__func__, mode->vtotal, mode->vrefresh);
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+	total_lines = mode->vtotal * drm_mode_vrefresh(mode);
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+	if (!total_lines) {
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+		DRM_DEV_ERROR(dev, "%s: vtotal(%d) or vrefresh(%d) is 0\n",
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+			      __func__, mode->vtotal, drm_mode_vrefresh(mode));
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 		return -EINVAL;
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 	}
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 	vsync_clk_speed = clk_round_rate(mdp5_kms->vsync_clk, VSYNC_CLK_RATE);
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 	if (vsync_clk_speed <= 0) {
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-		dev_err(dev, "vsync_clk round rate failed %ld\n",
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+		DRM_DEV_ERROR(dev, "vsync_clk round rate failed %ld\n",
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 							vsync_clk_speed);
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 		return -EINVAL;
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 	}
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-	vclks_line = vsync_clk_speed * 100 / total_lines_x100;
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+	vclks_line = vsync_clk_speed / total_lines;
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 	cfg = MDP5_PP_SYNC_CONFIG_VSYNC_COUNTER_EN
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 		| MDP5_PP_SYNC_CONFIG_VSYNC_IN_EN;
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@@ -110,13 +81,13 @@
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 	ret = clk_set_rate(mdp5_kms->vsync_clk,
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 		clk_round_rate(mdp5_kms->vsync_clk, VSYNC_CLK_RATE));
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 	if (ret) {
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-		dev_err(encoder->dev->dev,
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+		DRM_DEV_ERROR(encoder->dev->dev,
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 			"vsync_clk clk_set_rate failed, %d\n", ret);
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 		return ret;
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 	}
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 	ret = clk_prepare_enable(mdp5_kms->vsync_clk);
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 	if (ret) {
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-		dev_err(encoder->dev->dev,
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+		DRM_DEV_ERROR(encoder->dev->dev,
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 			"vsync_clk clk_prepare_enable failed, %d\n", ret);
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 		return ret;
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 	}
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@@ -142,14 +113,7 @@
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 {
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 	mode = adjusted_mode;
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-	DBG("set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
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-			mode->base.id, mode->name,
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-			mode->vrefresh, mode->clock,
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-			mode->hdisplay, mode->hsync_start,
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-			mode->hsync_end, mode->htotal,
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-			mode->vdisplay, mode->vsync_start,
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-			mode->vsync_end, mode->vtotal,
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-			mode->type, mode->flags);
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+	DBG("set mode: " DRM_MODE_FMT, DRM_MODE_ARG(mode));
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 	pingpong_tearcheck_setup(encoder, mode);
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 	mdp5_crtc_set_pipeline(encoder->crtc);
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 }
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@@ -169,8 +133,6 @@
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 	mdp5_ctl_set_encoder_state(ctl, pipeline, false);
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 	mdp5_ctl_commit(ctl, pipeline, mdp_ctl_flush_mask_encoder(intf), true);
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-	bs_set(mdp5_cmd_enc, 0);
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-
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 	mdp5_cmd_enc->enabled = false;
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 }
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@@ -184,7 +146,6 @@
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 	if (WARN_ON(mdp5_cmd_enc->enabled))
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 		return;
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-	bs_set(mdp5_cmd_enc, 1);
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 	if (pingpong_tearcheck_enable(encoder))
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 		return;
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