Merge tag 'drm-misc-next-2023-03-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v6.4-rc1:

Note: Only changes since pull request from 2023-02-23 are included here.

UAPI Changes:
- Convert rockchip bindings to YAML.
- Constify kobj_type structure in dma-buf.
- FBDEV cmdline parser fixes, and other small fbdev fixes for mode
   parsing.

Cross-subsystem Changes:
- Add Neil Armstrong as linaro maintainer.
- Actually signal the private stub dma-fence.

Core Changes:
- Add function for adding syncobj dep to sched_job and use it in panfrost, v3d.
- Improve DisplayID 2.0 topology parsing and EDID parsing in general.
- Add a gem eviction function and callback for generic GEM shrinker
  purposes.
- Prepare to convert shmem helper to use the GEM reservation lock instead of own
  locking. (Actual commit itself got reverted for now)
- Move the suballocator from radeon and amdgpu drivers to core in preparation
  for Xe.
- Assorted small fixes and documentation.
- Fixes to HPD polling.
- Assorted small fixes in simpledrm, bridge, accel, shmem-helper,
   and the selftest of format-helper.
- Remove dummy resource when ttm bo is created, and during pipelined
   gutting. Fix all drivers to accept a NULL ttm_bo->resource.
- Handle pinned BO moving prevention in ttm core.
- Set drm panel-bridge orientation before connector is registered.
- Remove dumb_destroy callback.
- Add documentation to GEM_CLOSE, PRIME_HANDLE_TO_FD, PRIME_FD_TO_HANDLE, GETFB2 ioctl's.
- Add atomic enable_plane callback, use it in ast, mgag200, tidss.

Driver Changes:
- Use drm_gem_objects_lookup in vc4.
- Assorted small fixes to virtio, ast, bridge/tc358762, meson, nouveau.
- Allow virtio KMS to be disabled and compiled out.
- Add Radxa 8/10HD, Samsung AMS495QA01 panels.
- Fix ivpu compiler errors.
- Assorted fixes to drm/panel, malidp, rockchip, ivpu, amdgpu, vgem,
   nouveau, vc4.
- Assorted cleanups, simplifications and fixes to vmwgfx.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ac1f5186-54bb-02f4-ac56-907f5b76f3de@linux.intel.com

3 files changed, 31 insertions, 74 deletions

diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile
index 26cbc965497c..08fabce76b74 100644
--- a/drivers/video/fbdev/core/Makefile
+++ b/drivers/video/fbdev/core/Makefile
@@ -1,9 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_FB_CMDLINE)          += fb_cmdline.o
 obj-$(CONFIG_FB_NOTIFY)           += fb_notify.o
 obj-$(CONFIG_FB)                  += fb.o
 fb-y                              := fbmem.o fbmon.o fbcmap.o fbsysfs.o \
-                                     modedb.o fbcvt.o
+                                     modedb.o fbcvt.o fb_cmdline.o
 fb-$(CONFIG_FB_DEFERRED_IO)       += fb_defio.o
 
 ifeq ($(CONFIG_FRAMEBUFFER_CONSOLE),y)
diff --git a/drivers/video/fbdev/core/fb_cmdline.c b/drivers/video/fbdev/core/fb_cmdline.c
index 3b5bd666b952..4d1634c492ec 100644
--- a/drivers/video/fbdev/core/fb_cmdline.c
+++ b/drivers/video/fbdev/core/fb_cmdline.c
@@ -12,16 +12,14 @@
  * for more details.
  *
  * Authors:
- *    Vetter <danie.vetter@ffwll.ch>
+ *    Daniel Vetter <daniel.vetter@ffwll.ch>
  */
-#include <linux/init.h>
-#include <linux/fb.h>
 
-static char *video_options[FB_MAX] __read_mostly;
-static int ofonly __read_mostly;
+#include <linux/export.h>
+#include <linux/fb.h>
+#include <linux/string.h>
 
-const char *fb_mode_option;
-EXPORT_SYMBOL_GPL(fb_mode_option);
+#include <video/cmdline.h>
 
 /**
  * fb_get_options - get kernel boot parameters
@@ -30,78 +28,34 @@ EXPORT_SYMBOL_GPL(fb_mode_option);
  *          (video=<name>:<options>)
  * @option: the option will be stored here
  *
+ * The caller owns the string returned in @option and is
+ * responsible for releasing the memory.
+ *
  * NOTE: Needed to maintain backwards compatibility
  */
 int fb_get_options(const char *name, char **option)
 {
-	char *opt, *options = NULL;
-	int retval = 0;
-	int name_len = strlen(name), i;
-
-	if (name_len && ofonly && strncmp(name, "offb", 4))
-		retval = 1;
+	const char *options = NULL;
+	bool is_of = false;
+	bool enabled;
 
-	if (name_len && !retval) {
-		for (i = 0; i < FB_MAX; i++) {
-			if (video_options[i] == NULL)
-				continue;
-			if (!video_options[i][0])
-				continue;
-			opt = video_options[i];
-			if (!strncmp(name, opt, name_len) &&
-			    opt[name_len] == ':')
-				options = opt + name_len + 1;
-		}
-	}
-	/* No match, pass global option */
-	if (!options && option && fb_mode_option)
-		options = kstrdup(fb_mode_option, GFP_KERNEL);
-	if (options && !strncmp(options, "off", 3))
-		retval = 1;
-
-	if (option)
-		*option = options;
-
-	return retval;
-}
-EXPORT_SYMBOL(fb_get_options);
+	if (name)
+		is_of = strncmp(name, "offb", 4);
 
-/**
- *	video_setup - process command line options
- *	@options: string of options
- *
- *	Process command line options for frame buffer subsystem.
- *
- *	NOTE: This function is a __setup and __init function.
- *            It only stores the options.  Drivers have to call
- *            fb_get_options() as necessary.
- */
-static int __init video_setup(char *options)
-{
-	if (!options || !*options)
-		goto out;
+	enabled = __video_get_options(name, &options, is_of);
 
-	if (!strncmp(options, "ofonly", 6)) {
-		ofonly = 1;
-		goto out;
+	if (options) {
+		if (!strncmp(options, "off", 3))
+			enabled = false;
 	}
 
-	if (strchr(options, ':')) {
-		/* named */
-		int i;
-
-		for (i = 0; i < FB_MAX; i++) {
-			if (video_options[i] == NULL) {
-				video_options[i] = options;
-				break;
-			}
-		}
-	} else {
-		/* global */
-		fb_mode_option = options;
+	if (option) {
+		if (options)
+			*option = kstrdup(options, GFP_KERNEL);
+		else
+			*option = NULL;
 	}
 
-out:
-	return 1;
+	return enabled ? 0 : 1; // 0 on success, 1 otherwise
 }
-__setup("video=", video_setup);
+EXPORT_SYMBOL(fb_get_options);
diff --git a/drivers/video/fbdev/core/modedb.c b/drivers/video/fbdev/core/modedb.c
index 6473e0dfe146..23cf8eba785d 100644
--- a/drivers/video/fbdev/core/modedb.c
+++ b/drivers/video/fbdev/core/modedb.c
@@ -620,6 +620,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
 		 const struct fb_videomode *default_mode,
 		 unsigned int default_bpp)
 {
+	char *mode_option_buf = NULL;
 	int i;
 
 	/* Set up defaults */
@@ -635,8 +636,10 @@ int fb_find_mode(struct fb_var_screeninfo *var,
 		default_bpp = 8;
 
 	/* Did the user specify a video mode? */
-	if (!mode_option)
-		mode_option = fb_mode_option;
+	if (!mode_option) {
+		fb_get_options(NULL, &mode_option_buf);
+		mode_option = mode_option_buf;
+	}
 	if (mode_option) {
 		const char *name = mode_option;
 		unsigned int namelen = strlen(name);
@@ -715,6 +718,7 @@ int fb_find_mode(struct fb_var_screeninfo *var,
 			res_specified = 1;
 		}
 done:
+		kfree(mode_option_buf);
 		if (cvt) {
 			struct fb_videomode cvt_mode;
 			int ret;