Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted

Pull media updates from Mauro Carvalho Chehab:

 - v4l2-core: added ISP statistics support and per-block validation

 - v4l2-core: Allow unknown HDR10 white point and luminance

 - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor

 - New codec: Milos: VPU v2.0 codec support

 - isp driver: gained support for Dreamchip RPPX1 ISP framework

 - vsp1 driver: gained support for RZ/T2H and RZ/N2H

 - Novalake driver: gained CVS support for new NVL hardware

 - dvb-core: fix feed leak on failed DMX_ADD_PID

 - several driver fixes, cleanups and minor improvements

* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: ipu-bridge: check all DMI entries when overriding sensor rotation
  media: v4l2-async: avoid deleting unlinked ASC entry on link error
  media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
  media: intel/ipu6: fix async notifier cleanup leak on parse error
  media: staging/ipu7: fix async notifier UAF on probe error path
  media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
  media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
  media: rcar-isp: Fix VSPX reference leaks
  media: rcar-isp: Release ISPCORE resources
  media: i2c: imx415: Release runtime PM reference on VBLANK error
  media: i2c: imx415: Return test pattern write errors
  media: renesas: vsp1: Declare index variables in for loop statement
  media: renesas: vsp1: Make reset control optional to support platforms without a reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
  media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
  media: nxp: imx8-isi: Add additional 32-bit RGB format support
  media: nxp: imx8-isi: Add 16-bit raw Bayer format support
  media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
  media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
  media: nxp: imx8-isi: Correct color map between V4L2 and ISI
  ...

1 files changed, 159 insertions, 0 deletions

diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
new file mode 100644
index 000000000..7d02470f1
--- /dev/null
+++ b/drivers/video/console/dummycon.c
@@ -0,0 +1,159 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  linux/drivers/video/dummycon.c -- A dummy console driver
+ *
+ *  To be used if there's no other console driver (e.g. for plain VGA text)
+ *  available, usually until fbcon takes console over.
+ */
+
+#include <linux/types.h>
+#include <linux/kdev_t.h>
+#include <linux/console.h>
+#include <linux/vt_kern.h>
+#include <linux/screen_info.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+/*
+ *  Dummy console driver
+ */
+
+#if defined(CONFIG_ARCH_FOOTBRIDGE) && defined(CONFIG_VGA_CONSOLE)
+#include <asm/vga.h>
+#define DUMMY_COLUMNS	vgacon_screen_info.orig_video_cols
+#define DUMMY_ROWS	vgacon_screen_info.orig_video_lines
+#else
+/* set by Kconfig. Use 80x25 for 640x480 and 160x64 for 1280x1024 */
+#define DUMMY_COLUMNS	CONFIG_DUMMY_CONSOLE_COLUMNS
+#define DUMMY_ROWS	CONFIG_DUMMY_CONSOLE_ROWS
+#endif
+
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER
+/* These are both protected by the console_lock */
+static RAW_NOTIFIER_HEAD(dummycon_output_nh);
+static bool dummycon_putc_called;
+
+void dummycon_register_output_notifier(struct notifier_block *nb)
+{
+	WARN_CONSOLE_UNLOCKED();
+
+	raw_notifier_chain_register(&dummycon_output_nh, nb);
+
+	if (dummycon_putc_called)
+		nb->notifier_call(nb, 0, NULL);
+}
+
+void dummycon_unregister_output_notifier(struct notifier_block *nb)
+{
+	WARN_CONSOLE_UNLOCKED();
+
+	raw_notifier_chain_unregister(&dummycon_output_nh, nb);
+}
+
+static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
+                          unsigned int x)
+{
+	WARN_CONSOLE_UNLOCKED();
+
+	dummycon_putc_called = true;
+	raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
+}
+
+static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+			   unsigned int ypos, unsigned int xpos)
+{
+	unsigned int i;
+
+	if (!dummycon_putc_called) {
+		/* Ignore erases */
+		for (i = 0 ; i < count; i++) {
+			if (s[i] != vc->vc_video_erase_char)
+				break;
+		}
+		if (i == count)
+			return;
+
+		dummycon_putc_called = true;
+	}
+
+	raw_notifier_call_chain(&dummycon_output_nh, 0, NULL);
+}
+
+static bool dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+			   bool mode_switch)
+{
+	/* Redraw, so that we get putc(s) for output done while blanked */
+	return true;
+}
+
+static bool dummycon_switch(struct vc_data *vc)
+{
+	/*
+	 * Redraw, so that we get putc(s) for output done while switched
+	 * away. Informs deferred consoles to take over the display.
+	 */
+	return true;
+}
+#else
+static void dummycon_putc(struct vc_data *vc, u16 c, unsigned int y,
+			  unsigned int x) { }
+static void dummycon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
+			   unsigned int ypos, unsigned int xpos) { }
+static bool dummycon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
+			   bool mode_switch)
+{
+	return false;
+}
+static bool dummycon_switch(struct vc_data *vc)
+{
+	return false;
+}
+#endif
+
+static const char *dummycon_startup(void)
+{
+    return "dummy device";
+}
+
+static void dummycon_init(struct vc_data *vc, bool init)
+{
+    vc->vc_can_do_color = 1;
+    if (init) {
+	vc->vc_cols = DUMMY_COLUMNS;
+	vc->vc_rows = DUMMY_ROWS;
+    } else
+	vc_resize(vc, DUMMY_COLUMNS, DUMMY_ROWS);
+}
+
+static void dummycon_deinit(struct vc_data *vc) { }
+static void dummycon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+			   unsigned int width) { }
+static void dummycon_cursor(struct vc_data *vc, bool enable) { }
+
+static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
+			    unsigned int bottom, enum con_scroll dir,
+			    unsigned int lines)
+{
+	return false;
+}
+
+/*
+ *  The console `switch' structure for the dummy console
+ *
+ *  Most of the operations are dummies.
+ */
+
+const struct consw dummy_con = {
+	.owner =		THIS_MODULE,
+	.con_startup =	dummycon_startup,
+	.con_init =		dummycon_init,
+	.con_deinit =	dummycon_deinit,
+	.con_clear =	dummycon_clear,
+	.con_putc =		dummycon_putc,
+	.con_putcs =	dummycon_putcs,
+	.con_cursor =	dummycon_cursor,
+	.con_scroll =	dummycon_scroll,
+	.con_switch =	dummycon_switch,
+	.con_blank =	dummycon_blank,
+};
+EXPORT_SYMBOL_GPL(dummy_con);