modify sin led gpio

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2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/exynos/exynos7_drm_decon.c
..
..
@@ -1,18 +1,11 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
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2
 /* drivers/gpu/drm/exynos/exynos7_drm_decon.c
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3
  *
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  * Copyright (C) 2014 Samsung Electronics Co.Ltd
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  * Authors:
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6
  *	Akshu Agarwal <akshua@gmail.com>
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  *	Ajay Kumar <ajaykumar.rs@samsung.com>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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- *
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8
  */
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-#include <drm/drmP.h>
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-#include <drm/exynos_drm.h>
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9
 
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10
 #include <linux/clk.h>
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11
 #include <linux/component.h>
..
..
@@ -26,11 +19,14 @@
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19
 #include <video/of_display_timing.h>
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20
 #include <video/of_videomode.h>
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21
 
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+#include <drm/drm_fourcc.h>
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+#include <drm/drm_vblank.h>
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+#include <drm/exynos_drm.h>
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+
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26
 #include "exynos_drm_crtc.h"
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-#include "exynos_drm_plane.h"
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27
 #include "exynos_drm_drv.h"
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 #include "exynos_drm_fb.h"
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-#include "exynos_drm_iommu.h"
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+#include "exynos_drm_plane.h"
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30
 #include "regs-decon7.h"
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31
 
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 /*
..
..
@@ -44,6 +40,7 @@
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 struct decon_context {
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 	struct device			*dev;
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 	struct drm_device		*drm_dev;
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+	void				*dma_priv;
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 	struct exynos_drm_crtc		*crtc;
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 	struct exynos_drm_plane		planes[WINDOWS_NR];
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 	struct exynos_drm_plane_config	configs[WINDOWS_NR];
..
..
@@ -100,15 +97,13 @@
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 	if (!wait_event_timeout(ctx->wait_vsync_queue,
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 				!atomic_read(&ctx->wait_vsync_event),
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 				HZ/20))
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-		DRM_DEBUG_KMS("vblank wait timed out.\n");
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+		DRM_DEV_DEBUG_KMS(ctx->dev, "vblank wait timed out.\n");
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 }
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102
 
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 static void decon_clear_channels(struct exynos_drm_crtc *crtc)
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 {
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 	struct decon_context *ctx = crtc->ctx;
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 	unsigned int win, ch_enabled = 0;
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-
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-	DRM_DEBUG_KMS("%s\n", __FILE__);
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107
 
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 	/* Check if any channel is enabled. */
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109
 	for (win = 0; win < WINDOWS_NR; win++) {
..
..
@@ -133,19 +128,19 @@
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128
 
134
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 	decon_clear_channels(ctx->crtc);
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130
 
136
-	return drm_iommu_attach_device(drm_dev, ctx->dev);
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+	return exynos_drm_register_dma(drm_dev, ctx->dev, &ctx->dma_priv);
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132
 }
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133
 
139
134
 static void decon_ctx_remove(struct decon_context *ctx)
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135
 {
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136
 	/* detach this sub driver from iommu mapping if supported. */
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-	drm_iommu_detach_device(ctx->drm_dev, ctx->dev);
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+	exynos_drm_unregister_dma(ctx->drm_dev, ctx->dev, &ctx->dma_priv);
143
138
 }
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139
 
145
140
 static u32 decon_calc_clkdiv(struct decon_context *ctx,
146
141
 		const struct drm_display_mode *mode)
147
142
 {
148
-	unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
143
+	unsigned long ideal_clk = mode->clock;
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144
 	u32 clkdiv;
150
145
 
151
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 	/* Find the clock divider value that gets us closest to ideal_clk */
..
..
@@ -316,7 +311,7 @@
316
311
 		break;
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312
 	}
318
313
 
319
-	DRM_DEBUG_KMS("cpp = %d\n", fb->format->cpp[0]);
314
+	DRM_DEV_DEBUG_KMS(ctx->dev, "cpp = %d\n", fb->format->cpp[0]);
320
315
 
321
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 	/*
322
317
 	 * In case of exynos, setting dma-burst to 16Word causes permanent
..
..
@@ -423,9 +418,9 @@
423
418
 	writel(state->src.x, ctx->regs + VIDW_OFFSET_X(win));
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419
 	writel(state->src.y, ctx->regs + VIDW_OFFSET_Y(win));
425
420
 
426
-	DRM_DEBUG_KMS("start addr = 0x%lx\n",
421
+	DRM_DEV_DEBUG_KMS(ctx->dev, "start addr = 0x%lx\n",
427
422
 			(unsigned long)val);
428
-	DRM_DEBUG_KMS("ovl_width = %d, ovl_height = %d\n",
423
+	DRM_DEV_DEBUG_KMS(ctx->dev, "ovl_width = %d, ovl_height = %d\n",
429
424
 			state->crtc.w, state->crtc.h);
430
425
 
431
426
 	val = VIDOSDxA_TOPLEFT_X(state->crtc.x) |
..
..
@@ -443,7 +438,7 @@
443
438
 
444
439
 	writel(val, ctx->regs + VIDOSD_B(win));
445
440
 
446
-	DRM_DEBUG_KMS("osd pos: tx = %d, ty = %d, bx = %d, by = %d\n",
441
+	DRM_DEV_DEBUG_KMS(ctx->dev, "osd pos: tx = %d, ty = %d, bx = %d, by = %d\n",
447
442
 			state->crtc.x, state->crtc.y, last_x, last_y);
448
443
 
449
444
 	/* OSD alpha */
..
..
@@ -532,7 +527,7 @@
532
527
 		writel(VIDCON1_VCLK_HOLD, ctx->regs + VIDCON1(0));
533
528
 }
534
529
 
535
-static void decon_enable(struct exynos_drm_crtc *crtc)
530
+static void decon_atomic_enable(struct exynos_drm_crtc *crtc)
536
531
 {
537
532
 	struct decon_context *ctx = crtc->ctx;
538
533
 
..
..
@@ -552,7 +547,7 @@
552
547
 	ctx->suspended = false;
553
548
 }
554
549
 
555
-static void decon_disable(struct exynos_drm_crtc *crtc)
550
+static void decon_atomic_disable(struct exynos_drm_crtc *crtc)
556
551
 {
557
552
 	struct decon_context *ctx = crtc->ctx;
558
553
 	int i;
..
..
@@ -574,8 +569,8 @@
574
569
 }
575
570
 
576
571
 static const struct exynos_drm_crtc_ops decon_crtc_ops = {
577
-	.enable = decon_enable,
578
-	.disable = decon_disable,
572
+	.atomic_enable = decon_atomic_enable,
573
+	.atomic_disable = decon_atomic_disable,
579
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 	.enable_vblank = decon_enable_vblank,
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575
 	.disable_vblank = decon_disable_vblank,
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 	.atomic_begin = decon_atomic_begin,
..
..
@@ -623,7 +618,7 @@
623
618
 
624
619
 	ret = decon_ctx_initialize(ctx, drm_dev);
625
620
 	if (ret) {
626
-		DRM_ERROR("decon_ctx_initialize failed.\n");
621
+		DRM_DEV_ERROR(dev, "decon_ctx_initialize failed.\n");
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 		return ret;
628
623
 	}
629
624
 
..
..
@@ -659,7 +654,7 @@
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 {
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 	struct decon_context *ctx = dev_get_drvdata(dev);
661
656
 
662
-	decon_disable(ctx->crtc);
657
+	decon_atomic_disable(ctx->crtc);
663
658
 
664
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 	if (ctx->encoder)
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660
 		exynos_dpi_remove(ctx->encoder);
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@@ -803,29 +798,42 @@
803
798
 
804
799
 	ret = clk_prepare_enable(ctx->pclk);
805
800
 	if (ret < 0) {
806
-		DRM_ERROR("Failed to prepare_enable the pclk [%d]\n", ret);
807
-		return ret;
801
+		DRM_DEV_ERROR(dev, "Failed to prepare_enable the pclk [%d]\n",
802
+			      ret);
803
+		goto err_pclk_enable;
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804
 	}
809
805
 
810
806
 	ret = clk_prepare_enable(ctx->aclk);
811
807
 	if (ret < 0) {
812
-		DRM_ERROR("Failed to prepare_enable the aclk [%d]\n", ret);
813
-		return ret;
808
+		DRM_DEV_ERROR(dev, "Failed to prepare_enable the aclk [%d]\n",
809
+			      ret);
810
+		goto err_aclk_enable;
814
811
 	}
815
812
 
816
813
 	ret = clk_prepare_enable(ctx->eclk);
817
814
 	if  (ret < 0) {
818
-		DRM_ERROR("Failed to prepare_enable the eclk [%d]\n", ret);
819
-		return ret;
815
+		DRM_DEV_ERROR(dev, "Failed to prepare_enable the eclk [%d]\n",
816
+			      ret);
817
+		goto err_eclk_enable;
820
818
 	}
821
819
 
822
820
 	ret = clk_prepare_enable(ctx->vclk);
823
821
 	if  (ret < 0) {
824
-		DRM_ERROR("Failed to prepare_enable the vclk [%d]\n", ret);
825
-		return ret;
822
+		DRM_DEV_ERROR(dev, "Failed to prepare_enable the vclk [%d]\n",
823
+			      ret);
824
+		goto err_vclk_enable;
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825
 	}
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826
 
828
827
 	return 0;
828
+
829
+err_vclk_enable:
830
+	clk_disable_unprepare(ctx->eclk);
831
+err_eclk_enable:
832
+	clk_disable_unprepare(ctx->aclk);
833
+err_aclk_enable:
834
+	clk_disable_unprepare(ctx->pclk);
835
+err_pclk_enable:
836
+	return ret;
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837
 }
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838
 #endif
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839