add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/media/platform/rockchip/rga/rga.c
..
..
@@ -1,15 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3
4
  * Author: Jacob Chen <jacob-chen@iotwrt.com>
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- *
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- * This software is licensed under the terms of the GNU General Public
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- * License version 2, as published by the Free Software Foundation, and
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- * may be copied, distributed, and modified under those terms.
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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
11
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
13
5
  */
14
6
 
15
7
 #include <linux/clk.h>
..
..
@@ -97,7 +89,7 @@
97
89
 	return IRQ_HANDLED;
98
90
 }
99
91
 
100
-static struct v4l2_m2m_ops rga_m2m_ops = {
92
+static const struct v4l2_m2m_ops rga_m2m_ops = {
101
93
 	.device_run = device_run,
102
94
 };
103
95
 
..
..
@@ -447,9 +439,9 @@
447
439
 static int
448
440
 vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap)
449
441
 {
450
-	strlcpy(cap->driver, RGA_NAME, sizeof(cap->driver));
451
-	strlcpy(cap->card, "rockchip-rga", sizeof(cap->card));
452
-	strlcpy(cap->bus_info, "platform:rga", sizeof(cap->bus_info));
442
+	strscpy(cap->driver, RGA_NAME, sizeof(cap->driver));
443
+	strscpy(cap->card, "rockchip-rga", sizeof(cap->card));
444
+	strscpy(cap->bus_info, "platform:rga", sizeof(cap->bus_info));
453
445
 
454
446
 	return 0;
455
447
 }
..
..
@@ -700,7 +692,7 @@
700
692
 	.vidioc_s_selection = vidioc_s_selection,
701
693
 };
702
694
 
703
-static struct video_device rga_videodev = {
695
+static const struct video_device rga_videodev = {
704
696
 	.name = "rockchip-rga",
705
697
 	.fops = &rga_fops,
706
698
 	.ioctl_ops = &rga_ioctl_ops,
..
..
@@ -839,7 +831,6 @@
839
831
 
840
832
 	irq = platform_get_irq(pdev, 0);
841
833
 	if (irq < 0) {
842
-		dev_err(rga->dev, "failed to get irq\n");
843
834
 		ret = irq;
844
835
 		goto err_put_clk;
845
836
 	}
..
..
@@ -872,10 +863,12 @@
872
863
 	if (IS_ERR(rga->m2m_dev)) {
873
864
 		v4l2_err(&rga->v4l2_dev, "Failed to init mem2mem device\n");
874
865
 		ret = PTR_ERR(rga->m2m_dev);
875
-		goto unreg_video_dev;
866
+		goto rel_vdev;
876
867
 	}
877
868
 
878
-	pm_runtime_get_sync(rga->dev);
869
+	ret = pm_runtime_resume_and_get(rga->dev);
870
+	if (ret < 0)
871
+		goto rel_m2m;
879
872
 
880
873
 	rga->version.major = (rga_read(rga, RGA_VERSION_INFO) >> 24) & 0xFF;
881
874
 	rga->version.minor = (rga_read(rga, RGA_VERSION_INFO) >> 20) & 0x0F;
..
..
@@ -889,19 +882,31 @@
889
882
 	rga->cmdbuf_virt = dma_alloc_attrs(rga->dev, RGA_CMDBUF_SIZE,
890
883
 					   &rga->cmdbuf_phy, GFP_KERNEL,
891
884
 					   DMA_ATTR_WRITE_COMBINE);
885
+	if (!rga->cmdbuf_virt) {
886
+		ret = -ENOMEM;
887
+		goto rel_m2m;
888
+	}
892
889
 
893
890
 	rga->src_mmu_pages =
894
891
 		(unsigned int *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 3);
892
+	if (!rga->src_mmu_pages) {
893
+		ret = -ENOMEM;
894
+		goto free_dma;
895
+	}
895
896
 	rga->dst_mmu_pages =
896
897
 		(unsigned int *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 3);
898
+	if (!rga->dst_mmu_pages) {
899
+		ret = -ENOMEM;
900
+		goto free_src_pages;
901
+	}
897
902
 
898
903
 	def_frame.stride = (def_frame.width * def_frame.fmt->depth) >> 3;
899
904
 	def_frame.size = def_frame.stride * def_frame.height;
900
905
 
901
-	ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1);
906
+	ret = video_register_device(vfd, VFL_TYPE_VIDEO, -1);
902
907
 	if (ret) {
903
908
 		v4l2_err(&rga->v4l2_dev, "Failed to register video device\n");
904
-		goto rel_vdev;
909
+		goto free_dst_pages;
905
910
 	}
906
911
 
907
912
 	v4l2_info(&rga->v4l2_dev, "Registered %s as /dev/%s\n",
..
..
@@ -909,10 +914,17 @@
909
914
 
910
915
 	return 0;
911
916
 
917
+free_dst_pages:
918
+	free_pages((unsigned long)rga->dst_mmu_pages, 3);
919
+free_src_pages:
920
+	free_pages((unsigned long)rga->src_mmu_pages, 3);
921
+free_dma:
922
+	dma_free_attrs(rga->dev, RGA_CMDBUF_SIZE, rga->cmdbuf_virt,
923
+		       rga->cmdbuf_phy, DMA_ATTR_WRITE_COMBINE);
924
+rel_m2m:
925
+	v4l2_m2m_release(rga->m2m_dev);
912
926
 rel_vdev:
913
927
 	video_device_release(vfd);
914
-unreg_video_dev:
915
-	video_unregister_device(rga->vfd);
916
928
 unreg_v4l2_dev:
917
929
 	v4l2_device_unregister(&rga->v4l2_dev);
918
930
 err_put_clk: