Merge tag 'drm-misc-next-2022-09-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 6.1:

UAPI Changes:

Cross-subsystem Changes:
  - dma-buf: Improve signaling when debugging

Core Changes:
  - Backlight handling improvements
  - format-helper: Add drm_fb_build_fourcc_list()
  - fourcc: Kunit tests improvements
  - modes: Add DRM_MODE_INIT() macro
  - plane: Remove drm_plane_init(), Allocate planes with drm_universal_plane_alloc()
  - plane-helper: Add drm_plane_helper_atomic_check()
  - probe-helper: Add drm_connector_helper_get_modes_fixed() and
    drm_crtc_helper_mode_valid_fixed()
  - tests: Conversion to parametrized tests, test name consistency

Driver Changes:
  - amdgpu: Fix for a VRAM eviction issue
  - ast: Resolution handling improvements
  - mediatek: small code improvements for DP
  - omap: Refcounting fix, small improvements
  - rockchip: RK3568 support, Gamma support for RK3399
  - sun4i: Build failure fix when !OF
  - udl: Multiple fixes here and there
  - vc4: HDMI hotplug handling improvements
  - vkms: Warning fix

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220923073943.d43tne5hni3iknlv@houat

8 files changed, 191 insertions, 16 deletions

diff --git a/include/acpi/video.h b/include/acpi/video.h
index db8548ff03ce..a275c35e5249 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -48,15 +48,18 @@ enum acpi_backlight_type {
 	acpi_backlight_video,
 	acpi_backlight_vendor,
 	acpi_backlight_native,
+	acpi_backlight_nvidia_wmi_ec,
+	acpi_backlight_apple_gmux,
 };
 
 #if IS_ENABLED(CONFIG_ACPI_VIDEO)
 extern int acpi_video_register(void);
 extern void acpi_video_unregister(void);
+extern void acpi_video_register_backlight(void);
 extern int acpi_video_get_edid(struct acpi_device *device, int type,
 			       int device_id, void **edid);
 extern enum acpi_backlight_type acpi_video_get_backlight_type(void);
-extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
+extern bool acpi_video_backlight_use_native(void);
 /*
  * Note: The value returned by acpi_video_handles_brightness_key_presses()
  * may change over time and should not be cached.
@@ -68,6 +71,7 @@ extern int acpi_video_get_levels(struct acpi_device *device,
 #else
 static inline int acpi_video_register(void) { return -ENODEV; }
 static inline void acpi_video_unregister(void) { return; }
+static inline void acpi_video_register_backlight(void) { return; }
 static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 				      int device_id, void **edid)
 {
@@ -77,8 +81,9 @@ static inline enum acpi_backlight_type acpi_video_get_backlight_type(void)
 {
 	return acpi_backlight_vendor;
 }
-static inline void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type)
+static inline bool acpi_video_backlight_use_native(void)
 {
+	return true;
 }
 static inline bool acpi_video_handles_brightness_key_presses(void)
 {
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index caa181194335..eb5c98cf82b8 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -6,11 +6,15 @@
 #ifndef __LINUX_DRM_FORMAT_HELPER_H
 #define __LINUX_DRM_FORMAT_HELPER_H
 
-struct iosys_map;
+#include <linux/types.h>
+
+struct drm_device;
 struct drm_format_info;
 struct drm_framebuffer;
 struct drm_rect;
 
+struct iosys_map;
+
 unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
 				const struct drm_rect *clip);
 
@@ -44,4 +48,9 @@ void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitc
 			     const struct iosys_map *src, const struct drm_framebuffer *fb,
 			     const struct drm_rect *clip);
 
+size_t drm_fb_build_fourcc_list(struct drm_device *dev,
+				const u32 *native_fourccs, size_t native_nfourccs,
+				const u32 *extra_fourccs, size_t extra_nfourccs,
+				u32 *fourccs_out, size_t nfourccs_out);
+
 #endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index dad2f187b64b..14eaecb1825c 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -155,6 +155,8 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
 int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
 		      const struct drm_simple_display_pipe_funcs *funcs,
 		      const struct drm_display_mode *mode, unsigned int rotation);
+enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+					      const struct drm_display_mode *mode);
 void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
 			  struct drm_plane_state *old_state);
 void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index a80ae9639e96..b0c680e6f670 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -139,6 +139,35 @@ enum drm_mode_status {
 	.vscan = (vs), .flags = (f)
 
 /**
+ * DRM_MODE_RES_MM - Calculates the display size from resolution and DPI
+ * @res: The resolution in pixel
+ * @dpi: The number of dots per inch
+ */
+#define DRM_MODE_RES_MM(res, dpi)	\
+	(((res) * 254ul) / ((dpi) * 10ul))
+
+#define __DRM_MODE_INIT(pix, hd, vd, hd_mm, vd_mm) \
+	.type = DRM_MODE_TYPE_DRIVER, .clock = (pix), \
+	.hdisplay = (hd), .hsync_start = (hd), .hsync_end = (hd), \
+	.htotal = (hd), .vdisplay = (vd), .vsync_start = (vd), \
+	.vsync_end = (vd), .vtotal = (vd), .width_mm = (hd_mm), \
+	.height_mm = (vd_mm)
+
+/**
+ * DRM_MODE_INIT - Initialize display mode
+ * @hz: Vertical refresh rate in Hertz
+ * @hd: Horizontal resolution, width
+ * @vd: Vertical resolution, height
+ * @hd_mm: Display width in millimeters
+ * @vd_mm: Display height in millimeters
+ *
+ * This macro initializes a &drm_display_mode that contains information about
+ * refresh rate, resolution and physical size.
+ */
+#define DRM_MODE_INIT(hz, hd, vd, hd_mm, vd_mm) \
+	__DRM_MODE_INIT((hd) * (vd) * (hz) / 1000 /* kHz */, hd, vd, hd_mm, vd_mm)
+
+/**
  * DRM_SIMPLE_MODE - Simple display mode
  * @hd: Horizontal resolution, width
  * @vd: Vertical resolution, height
@@ -149,11 +178,7 @@ enum drm_mode_status {
  * resolution and physical size.
  */
 #define DRM_SIMPLE_MODE(hd, vd, hd_mm, vd_mm) \
-	.type = DRM_MODE_TYPE_DRIVER, .clock = 1 /* pass validation */, \
-	.hdisplay = (hd), .hsync_start = (hd), .hsync_end = (hd), \
-	.htotal = (hd), .vdisplay = (vd), .vsync_start = (vd), \
-	.vsync_end = (vd), .vtotal = (vd), .width_mm = (hd_mm), \
-	.height_mm = (vd_mm)
+	__DRM_MODE_INIT(1 /* pass validation */, hd, vd, hd_mm, vd_mm)
 
 #define CRTC_INTERLACE_HALVE_V	(1 << 0) /* halve V values for interlacing */
 #define CRTC_STEREO_DOUBLE	(1 << 1) /* adjust timings for stereo modes */
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 89ea54652e87..447e664e49d5 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -631,7 +631,7 @@ struct drm_plane {
 	unsigned int format_count;
 	/**
 	 * @format_default: driver hasn't supplied supported formats for the
-	 * plane. Used by the drm_plane_init compatibility wrapper only.
+	 * plane. Used by the non-atomic driver compatibility wrapper only.
 	 */
 	bool format_default;
 
@@ -762,12 +762,6 @@ int drm_universal_plane_init(struct drm_device *dev,
 			     const uint64_t *format_modifiers,
 			     enum drm_plane_type type,
 			     const char *name, ...);
-int drm_plane_init(struct drm_device *dev,
-		   struct drm_plane *plane,
-		   uint32_t possible_crtcs,
-		   const struct drm_plane_funcs *funcs,
-		   const uint32_t *formats, unsigned int format_count,
-		   bool is_primary);
 void drm_plane_cleanup(struct drm_plane *plane);
 
 __printf(10, 11)
@@ -815,6 +809,50 @@ void *__drmm_universal_plane_alloc(struct drm_device *dev,
 					      format_count, format_modifiers, \
 					      plane_type, name, ##__VA_ARGS__))
 
+__printf(10, 11)
+void *__drm_universal_plane_alloc(struct drm_device *dev,
+				  size_t size, size_t offset,
+				  uint32_t possible_crtcs,
+				  const struct drm_plane_funcs *funcs,
+				  const uint32_t *formats,
+				  unsigned int format_count,
+				  const uint64_t *format_modifiers,
+				  enum drm_plane_type plane_type,
+				  const char *name, ...);
+
+/**
+ * drm_universal_plane_alloc() - Allocate and initialize an universal plane object
+ * @dev: DRM device
+ * @type: the type of the struct which contains struct &drm_plane
+ * @member: the name of the &drm_plane within @type
+ * @possible_crtcs: bitmask of possible CRTCs
+ * @funcs: callbacks for the new plane
+ * @formats: array of supported formats (DRM_FORMAT\_\*)
+ * @format_count: number of elements in @formats
+ * @format_modifiers: array of struct drm_format modifiers terminated by
+ *                    DRM_FORMAT_MOD_INVALID
+ * @plane_type: type of plane (overlay, primary, cursor)
+ * @name: printf style format string for the plane name, or NULL for default name
+ *
+ * Allocates and initializes a plane object of type @type. The caller
+ * is responsible for releasing the allocated memory with kfree().
+ *
+ * Drivers are encouraged to use drmm_universal_plane_alloc() instead.
+ *
+ * Drivers that only support the DRM_FORMAT_MOD_LINEAR modifier support may set
+ * @format_modifiers to NULL. The plane will advertise the linear modifier.
+ *
+ * Returns:
+ * Pointer to new plane, or ERR_PTR on failure.
+ */
+#define drm_universal_plane_alloc(dev, type, member, possible_crtcs, funcs, formats, \
+				   format_count, format_modifiers, plane_type, name, ...) \
+	((type *)__drm_universal_plane_alloc(dev, sizeof(type), \
+					     offsetof(type, member), \
+					     possible_crtcs, funcs, formats, \
+					     format_count, format_modifiers, \
+					     plane_type, name, ##__VA_ARGS__))
+
 /**
  * drm_plane_index - find the index of a registered plane
  * @plane: plane to find index for
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index 1781fab24dd6..ff83d2621687 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -41,5 +41,18 @@ int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *cr
 int drm_plane_helper_disable_primary(struct drm_plane *plane,
 				     struct drm_modeset_acquire_ctx *ctx);
 void drm_plane_helper_destroy(struct drm_plane *plane);
+int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
+
+/**
+ * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
+ *
+ * This macro initializes plane functions for non-atomic drivers to default
+ * values. Non-atomic interfaces are deprecated and should not be used in new
+ * drivers.
+ */
+#define DRM_PLANE_NON_ATOMIC_FUNCS \
+	.update_plane = drm_plane_helper_update_primary, \
+	.disable_plane = drm_plane_helper_disable_primary, \
+	.destroy = drm_plane_helper_destroy
 
 #endif
diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h
index 8075e02aa865..5880daa14624 100644
--- a/include/drm/drm_probe_helper.h
+++ b/include/drm/drm_probe_helper.h
@@ -3,9 +3,10 @@
 #ifndef __DRM_PROBE_HELPER_H__
 #define __DRM_PROBE_HELPER_H__
 
-#include <linux/types.h>
+#include <drm/drm_modes.h>
 
 struct drm_connector;
+struct drm_crtc;
 struct drm_device;
 struct drm_modeset_acquire_ctx;
 
@@ -26,7 +27,13 @@ void drm_kms_helper_poll_disable(struct drm_device *dev);
 void drm_kms_helper_poll_enable(struct drm_device *dev);
 bool drm_kms_helper_is_poll_worker(void);
 
+enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
+						      const struct drm_display_mode *mode,
+						      const struct drm_display_mode *fixed_mode);
+
 int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector);
+int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
+					 const struct drm_display_mode *fixed_mode);
 int drm_connector_helper_get_modes(struct drm_connector *connector);
 
 #endif
diff --git a/include/linux/platform_data/x86/nvidia-wmi-ec-backlight.h b/include/linux/platform_data/x86/nvidia-wmi-ec-backlight.h
new file mode 100644
index 000000000000..23d60130272c
--- /dev/null
+++ b/include/linux/platform_data/x86/nvidia-wmi-ec-backlight.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.
+ */
+
+#ifndef __PLATFORM_DATA_X86_NVIDIA_WMI_EC_BACKLIGHT_H
+#define __PLATFORM_DATA_X86_NVIDIA_WMI_EC_BACKLIGHT_H
+
+#define WMI_BRIGHTNESS_GUID "603E9613-EF25-4338-A3D0-C46177516DB7"
+
+/**
+ * enum wmi_brightness_method - WMI method IDs
+ * @WMI_BRIGHTNESS_METHOD_LEVEL:  Get/Set EC brightness level status
+ * @WMI_BRIGHTNESS_METHOD_SOURCE: Get/Set EC Brightness Source
+ */
+enum wmi_brightness_method {
+	WMI_BRIGHTNESS_METHOD_LEVEL = 1,
+	WMI_BRIGHTNESS_METHOD_SOURCE = 2,
+	WMI_BRIGHTNESS_METHOD_MAX
+};
+
+/**
+ * enum wmi_brightness_mode - Operation mode for WMI-wrapped method
+ * @WMI_BRIGHTNESS_MODE_GET:            Get the current brightness level/source.
+ * @WMI_BRIGHTNESS_MODE_SET:            Set the brightness level.
+ * @WMI_BRIGHTNESS_MODE_GET_MAX_LEVEL:  Get the maximum brightness level. This
+ *                                      is only valid when the WMI method is
+ *                                      %WMI_BRIGHTNESS_METHOD_LEVEL.
+ */
+enum wmi_brightness_mode {
+	WMI_BRIGHTNESS_MODE_GET = 0,
+	WMI_BRIGHTNESS_MODE_SET = 1,
+	WMI_BRIGHTNESS_MODE_GET_MAX_LEVEL = 2,
+	WMI_BRIGHTNESS_MODE_MAX
+};
+
+/**
+ * enum wmi_brightness_source - Backlight brightness control source selection
+ * @WMI_BRIGHTNESS_SOURCE_GPU: Backlight brightness is controlled by the GPU.
+ * @WMI_BRIGHTNESS_SOURCE_EC:  Backlight brightness is controlled by the
+ *                             system's Embedded Controller (EC).
+ * @WMI_BRIGHTNESS_SOURCE_AUX: Backlight brightness is controlled over the
+ *                             DisplayPort AUX channel.
+ */
+enum wmi_brightness_source {
+	WMI_BRIGHTNESS_SOURCE_GPU = 1,
+	WMI_BRIGHTNESS_SOURCE_EC = 2,
+	WMI_BRIGHTNESS_SOURCE_AUX = 3,
+	WMI_BRIGHTNESS_SOURCE_MAX
+};
+
+/**
+ * struct wmi_brightness_args - arguments for the WMI-wrapped ACPI method
+ * @mode:    Pass in an &enum wmi_brightness_mode value to select between
+ *           getting or setting a value.
+ * @val:     In parameter for value to set when using %WMI_BRIGHTNESS_MODE_SET
+ *           mode. Not used in conjunction with %WMI_BRIGHTNESS_MODE_GET or
+ *           %WMI_BRIGHTNESS_MODE_GET_MAX_LEVEL mode.
+ * @ret:     Out parameter returning retrieved value when operating in
+ *           %WMI_BRIGHTNESS_MODE_GET or %WMI_BRIGHTNESS_MODE_GET_MAX_LEVEL
+ *           mode. Not used in %WMI_BRIGHTNESS_MODE_SET mode.
+ * @ignored: Padding; not used. The ACPI method expects a 24 byte params struct.
+ *
+ * This is the parameters structure for the WmiBrightnessNotify ACPI method as
+ * wrapped by WMI. The value passed in to @val or returned by @ret will be a
+ * brightness value when the WMI method ID is %WMI_BRIGHTNESS_METHOD_LEVEL, or
+ * an &enum wmi_brightness_source value with %WMI_BRIGHTNESS_METHOD_SOURCE.
+ */
+struct wmi_brightness_args {
+	u32 mode;
+	u32 val;
+	u32 ret;
+	u32 ignored[3];
+};
+
+#endif