modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/drm_plane.c
..
..
@@ -20,8 +20,17 @@
20
20
  * OF THIS SOFTWARE.
21
21
  */
22
22
 
23
-#include <drm/drmP.h>
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+#include <linux/slab.h>
24
+#include <linux/uaccess.h>
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+
24
26
 #include <drm/drm_plane.h>
27
+#include <drm/drm_drv.h>
28
+#include <drm/drm_print.h>
29
+#include <drm/drm_framebuffer.h>
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+#include <drm/drm_file.h>
31
+#include <drm/drm_crtc.h>
32
+#include <drm/drm_fourcc.h>
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+#include <drm/drm_vblank.h>
25
34
 
26
35
 #include "drm_crtc_internal.h"
27
36
 
..
..
@@ -177,6 +186,13 @@
177
186
 	if (WARN_ON(config->num_total_plane >= 32))
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187
 		return -EINVAL;
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188
 
189
+	/*
190
+	 * First driver to need more than 64 formats needs to fix this. Each
191
+	 * format is encoded as a bit and the current code only supports a u64.
192
+	 */
193
+	if (WARN_ON(format_count > 64))
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+		return -EINVAL;
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+
180
196
 	WARN_ON(drm_drv_uses_atomic_modeset(dev) &&
181
197
 		(!funcs->atomic_destroy_state ||
182
198
 		 !funcs->atomic_duplicate_state));
..
..
@@ -198,15 +214,9 @@
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214
 		return -ENOMEM;
199
215
 	}
200
216
 
201
-	/*
202
-	 * First driver to need more than 64 formats needs to fix this. Each
203
-	 * format is encoded as a bit and the current code only supports a u64.
204
-	 */
205
-	if (WARN_ON(format_count > 64))
206
-		return -EINVAL;
207
-
208
217
 	if (format_modifiers) {
209
218
 		const uint64_t *temp_modifiers = format_modifiers;
219
+
210
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 		while (*temp_modifiers++ != DRM_FORMAT_MOD_INVALID)
211
221
 			format_modifier_count++;
212
222
 	}
..
..
@@ -280,6 +290,8 @@
280
290
 
281
291
 int drm_plane_register_all(struct drm_device *dev)
282
292
 {
293
+	unsigned int num_planes = 0;
294
+	unsigned int num_zpos = 0;
283
295
 	struct drm_plane *plane;
284
296
 	int ret = 0;
285
297
 
..
..
@@ -288,7 +300,14 @@
288
300
 			ret = plane->funcs->late_register(plane);
289
301
 		if (ret)
290
302
 			return ret;
303
+
304
+		if (plane->zpos_property)
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+			num_zpos++;
306
+		num_planes++;
291
307
 	}
308
+
309
+	drm_WARN(dev, num_zpos && num_planes != num_zpos,
310
+		 "Mixing planes with and without zpos property is invalid\n");
292
311
 
293
312
 	return 0;
294
313
 }
..
..
@@ -466,15 +485,13 @@
466
485
 			  struct drm_file *file_priv)
467
486
 {
468
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 	struct drm_mode_get_plane_res *plane_resp = data;
469
-	struct drm_mode_config *config;
470
488
 	struct drm_plane *plane;
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489
 	uint32_t __user *plane_ptr;
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490
 	int count = 0;
473
491
 
474
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 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
475
-		return -EINVAL;
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+		return -EOPNOTSUPP;
476
494
 
477
-	config = &dev->mode_config;
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495
 	plane_ptr = u64_to_user_ptr(plane_resp->plane_id_ptr);
479
496
 
480
497
 	/*
..
..
@@ -510,7 +527,7 @@
510
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 	uint32_t __user *format_ptr;
511
528
 
512
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 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
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-		return -EINVAL;
530
+		return -EOPNOTSUPP;
514
531
 
515
532
 	plane = drm_plane_find(dev, file_priv, plane_resp->plane_id);
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 	if (!plane)
..
..
@@ -632,6 +649,29 @@
632
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 	return 0;
633
650
 }
634
651
 
652
+/**
653
+ * drm_any_plane_has_format - Check whether any plane supports this format and modifier combination
654
+ * @dev: DRM device
655
+ * @format: pixel format (DRM_FORMAT_*)
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+ * @modifier: data layout modifier
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+ *
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+ * Returns:
659
+ * Whether at least one plane supports the specified format and modifier combination.
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+ */
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+bool drm_any_plane_has_format(struct drm_device *dev,
662
+			      u32 format, u64 modifier)
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+{
664
+	struct drm_plane *plane;
665
+
666
+	drm_for_each_plane(plane, dev) {
667
+		if (drm_plane_check_pixel_format(plane, format, modifier) == 0)
668
+			return true;
669
+	}
670
+
671
+	return false;
672
+}
673
+EXPORT_SYMBOL(drm_any_plane_has_format);
674
+
635
675
 /*
636
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  * __setplane_internal - setplane handler for internal callers
637
677
  *
..
..
@@ -740,11 +780,8 @@
740
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 	struct drm_modeset_acquire_ctx ctx;
741
781
 	int ret;
742
782
 
743
-	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
744
-retry:
745
-	ret = drm_modeset_lock_all_ctx(plane->dev, &ctx);
746
-	if (ret)
747
-		goto fail;
783
+	DRM_MODESET_LOCK_ALL_BEGIN(plane->dev, ctx,
784
+				   DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
748
785
 
749
786
 	if (drm_drv_uses_atomic_modeset(plane->dev))
750
787
 		ret = __setplane_atomic(plane, crtc, fb,
..
..
@@ -755,14 +792,7 @@
755
792
 					  crtc_x, crtc_y, crtc_w, crtc_h,
756
793
 					  src_x, src_y, src_w, src_h, &ctx);
757
794
 
758
-fail:
759
-	if (ret == -EDEADLK) {
760
-		ret = drm_modeset_backoff(&ctx);
761
-		if (!ret)
762
-			goto retry;
763
-	}
764
-	drm_modeset_drop_locks(&ctx);
765
-	drm_modeset_acquire_fini(&ctx);
795
+	DRM_MODESET_LOCK_ALL_END(plane->dev, ctx, ret);
766
796
 
767
797
 	return ret;
768
798
 }
..
..
@@ -777,7 +807,7 @@
777
807
 	int ret;
778
808
 
779
809
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
780
-		return -EINVAL;
810
+		return -EOPNOTSUPP;
781
811
 
782
812
 	/*
783
813
 	 * First, find the plane, crtc, and fb objects.  If not available,
..
..
@@ -915,7 +945,7 @@
915
945
 	int ret = 0;
916
946
 
917
947
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
918
-		return -EINVAL;
948
+		return -EOPNOTSUPP;
919
949
 
920
950
 	if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & req->flags))
921
951
 		return -EINVAL;
..
..
@@ -1024,7 +1054,7 @@
1024
1054
 	int ret = -EINVAL;
1025
1055
 
1026
1056
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
1027
-		return -EINVAL;
1057
+		return -EOPNOTSUPP;
1028
1058
 
1029
1059
 	if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS)
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1060
 		return -EINVAL;