Merge tag 'drm-misc-next-2023-07-27' of git://anongit.freedesktop.org…

…/drm/drm-misc into drm-next

drm-misc-next for v6.6:

UAPI Changes:

Cross-subsystem Changes:

 * dma-buf:
   * Documentation fixes

 * fbdev:
   * Make FB core selectable without drivers
   * Remove obsolete flags FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT
     from all drivers and <linux/fb.h>
   * Add helper macros and Kconfig tokens for DMA-allocated framebuffers
   * Cleanups

Core Changes:

 * Respect given gfp flags in drmm_kmalloc()

Driver Changes:

 * ast:
   * Cleanups

 * bridge:
   * anx7625: Locking fixes
 * tc358767: Fix hardware delays
   * Minor fixes and cleanups

 * exynos:
   * Use fbdev DMA helpers

 * komeda:
   * Always attach encoder

 * omapdrm:
   * Use fbdev DMA helpers

 * panel:
   * ld9040: Fix Kconfig dependency
   * Minor cleanups

 * ssd130x:
   * Fix allocation of temporary buffers
   * Fix pitch computation

 * tegra:
   * Use fbdev DMA helpers

Signed-off-by: Daniel Vetter <[email protected]>
From: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20230727124444.GA5547@linux-uq9g

arch/sh/boards/mach-sh7763rdp/setup.c

@@ -119,7 +119,7 @@ static struct fb_videomode sh7763fb_videomode = {
 	.vsync_len = 1,
 	.sync = 0,
 	.vmode = FB_VMODE_NONINTERLACED,
-	.flag = FBINFO_FLAG_DEFAULT,
+	.flag = FB_MODE_IS_UNKNOWN,
 };
 
 static struct sh7760fb_platdata sh7763fb_def_pdata = {

arch/x86/Makefile

@@ -259,7 +259,7 @@ drivers-$(CONFIG_PCI)            += arch/x86/pci/
 # suspend and hibernation support
 drivers-$(CONFIG_PM) += arch/x86/power/
 
-drivers-$(CONFIG_FB) += arch/x86/video/
+drivers-$(CONFIG_FB_CORE) += arch/x86/video/
 
 ####
 # boot loader support. Several targets are kept for legacy purposes

arch/x86/video/Makefile

@@ -1,2 +1,2 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_FB)               += fbdev.o
+obj-$(CONFIG_FB_CORE)		+= fbdev.o

drivers/Kconfig

@@ -129,8 +129,6 @@ source "drivers/dma-buf/Kconfig"
 
 source "drivers/dca/Kconfig"
 
-source "drivers/auxdisplay/Kconfig"
-
 source "drivers/uio/Kconfig"
 
 source "drivers/vfio/Kconfig"

drivers/auxdisplay/cfag12864bfb.c

@@ -79,7 +79,6 @@ static int cfag12864bfb_probe(struct platform_device *device)
 	info->var = cfag12864bfb_var;
 	info->pseudo_palette = NULL;
 	info->par = NULL;
-	info->flags = FBINFO_FLAG_DEFAULT;
 
 	if (register_framebuffer(info) < 0)
 		goto fballoced;

drivers/auxdisplay/ht16k33.c

@@ -646,7 +646,6 @@ static int ht16k33_fbdev_probe(struct device *dev, struct ht16k33_priv *priv,
 	fbdev->info->var = ht16k33_fb_var;
 	fbdev->info->bl_dev = bl;
 	fbdev->info->pseudo_palette = NULL;
-	fbdev->info->flags = FBINFO_FLAG_DEFAULT;
 	fbdev->info->par = priv;
 
 	err = register_framebuffer(fbdev->info);

drivers/dma-buf/dma-buf-sysfs-stats.c

@@ -33,7 +33,7 @@
  * into their address space. This necessitated the creation of the DMA-BUF sysfs
  * statistics interface to provide per-buffer information on production systems.
  *
- * The interface at ``/sys/kernel/dma-buf/buffers`` exposes information about
+ * The interface at ``/sys/kernel/dmabuf/buffers`` exposes information about
  * every DMA-BUF when ``CONFIG_DMABUF_SYSFS_STATS`` is enabled.
  *
  * The following stats are exposed by the interface:

drivers/gpu/drm/Kconfig

@@ -9,6 +9,9 @@ menuconfig DRM
 	tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
 	depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && HAS_DMA
 	select DRM_PANEL_ORIENTATION_QUIRKS
+	select DRM_KMS_HELPER if DRM_FBDEV_EMULATION
+	select FB_CORE if DRM_FBDEV_EMULATION
+	select FB_SYS_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	select HDMI
 	select I2C
 	select DMA_SHARED_BUFFER
@@ -96,7 +99,6 @@ config DRM_KUNIT_TEST
 config DRM_KMS_HELPER
 	tristate
 	depends on DRM
-	select FB_SYS_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  CRTC helpers for KMS drivers.
 
@@ -132,8 +134,7 @@ config DRM_DEBUG_MODESET_LOCK
 
 config DRM_FBDEV_EMULATION
 	bool "Enable legacy fbdev support for your modesetting driver"
-	depends on DRM_KMS_HELPER
-	depends on FB=y || FB=DRM_KMS_HELPER
+	depends on DRM
 	select FRAMEBUFFER_CONSOLE if !EXPERT
 	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
 	default y
@@ -223,7 +224,7 @@ config DRM_TTM_HELPER
 config DRM_GEM_DMA_HELPER
 	tristate
 	depends on DRM
-	select FB_SYS_HELPERS if DRM_FBDEV_EMULATION
+	select FB_DMA_HELPERS if DRM_FBDEV_EMULATION
 	help
 	  Choose this if you need the GEM DMA helper functions
 

drivers/gpu/drm/arm/display/komeda/komeda_crtc.c

@@ -12,6 +12,8 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_bridge.h>
 
 #include "komeda_dev.h"
 #include "komeda_kms.h"
@@ -612,9 +614,11 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms,
 			   struct komeda_crtc *kcrtc)
 {
 	struct drm_crtc *crtc = &kcrtc->base;
+	struct drm_device *base = &kms->base;
+	struct drm_bridge *bridge;
 	int err;
 
-	err = drm_crtc_init_with_planes(&kms->base, crtc,
+	err = drm_crtc_init_with_planes(base, crtc,
 					get_crtc_primary(kms, kcrtc), NULL,
 					&komeda_crtc_funcs, NULL);
 	if (err)
@@ -624,6 +628,22 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms,
 
 	crtc->port = kcrtc->master->of_output_port;
 
+	/* Construct an encoder for each pipeline and attach it to the remote
+	 * bridge
+	 */
+	kcrtc->encoder.possible_crtcs = drm_crtc_mask(crtc);
+	err = drm_simple_encoder_init(base, &kcrtc->encoder,
+				      DRM_MODE_ENCODER_TMDS);
+	if (err)
+		return err;
+
+	bridge = devm_drm_of_get_bridge(base->dev, kcrtc->master->of_node,
+					KOMEDA_OF_PORT_OUTPUT, 0);
+	if (IS_ERR(bridge))
+		return PTR_ERR(bridge);
+
+	err = drm_bridge_attach(&kcrtc->encoder, bridge, NULL, 0);
+
 	drm_crtc_enable_color_mgmt(crtc, 0, true, KOMEDA_COLOR_LUT_SIZE);
 
 	return err;

drivers/gpu/drm/arm/display/komeda/komeda_drv.c

@@ -8,7 +8,6 @@
 #include <linux/kernel.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
-#include <linux/component.h>
 #include <linux/pm_runtime.h>
 #include <drm/drm_fbdev_generic.h>
 #include <drm/drm_module.h>
@@ -28,13 +27,11 @@ struct komeda_dev *dev_to_mdev(struct device *dev)
 	return mdrv ? mdrv->mdev : NULL;
 }
 
-static void komeda_unbind(struct device *dev)
+static void komeda_platform_remove(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct komeda_drv *mdrv = dev_get_drvdata(dev);
 
-	if (!mdrv)
-		return;
-
 	komeda_kms_detach(mdrv->kms);
 
 	if (pm_runtime_enabled(dev))
@@ -48,8 +45,9 @@ static void komeda_unbind(struct device *dev)
 	devm_kfree(dev, mdrv);
 }
 
-static int komeda_bind(struct device *dev)
+static int komeda_platform_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct komeda_drv *mdrv;
 	int err;
 
@@ -91,51 +89,6 @@ static int komeda_bind(struct device *dev)
 	return err;
 }
 
-static const struct component_master_ops komeda_master_ops = {
-	.bind	= komeda_bind,
-	.unbind	= komeda_unbind,
-};
-
-static void komeda_add_slave(struct device *master,
-			     struct component_match **match,
-			     struct device_node *np,
-			     u32 port, u32 endpoint)
-{
-	struct device_node *remote;
-
-	remote = of_graph_get_remote_node(np, port, endpoint);
-	if (remote) {
-		drm_of_component_match_add(master, match, component_compare_of, remote);
-		of_node_put(remote);
-	}
-}
-
-static int komeda_platform_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct component_match *match = NULL;
-	struct device_node *child;
-
-	if (!dev->of_node)
-		return -ENODEV;
-
-	for_each_available_child_of_node(dev->of_node, child) {
-		if (of_node_cmp(child->name, "pipeline") != 0)
-			continue;
-
-		/* add connector */
-		komeda_add_slave(dev, &match, child, KOMEDA_OF_PORT_OUTPUT, 0);
-		komeda_add_slave(dev, &match, child, KOMEDA_OF_PORT_OUTPUT, 1);
-	}
-
-	return component_master_add_with_match(dev, &komeda_master_ops, match);
-}
-
-static void komeda_platform_remove(struct platform_device *pdev)
-{
-	component_master_del(&pdev->dev, &komeda_master_ops);
-}
-
 static const struct of_device_id komeda_of_match[] = {
 	{ .compatible = "arm,mali-d71", .data = d71_identify, },
 	{ .compatible = "arm,mali-d32", .data = d71_identify, },

drivers/gpu/drm/arm/display/komeda/komeda_kms.c

@@ -4,7 +4,6 @@
  * Author: James.Qian.Wang <[email protected]>
  *
  */
-#include <linux/component.h>
 #include <linux/interrupt.h>
 
 #include <drm/drm_atomic.h>
@@ -305,17 +304,13 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
 	if (err)
 		goto cleanup_mode_config;
 
-	err = component_bind_all(mdev->dev, kms);
-	if (err)
-		goto cleanup_mode_config;
-
 	drm_mode_config_reset(drm);
 
 	err = devm_request_irq(drm->dev, mdev->irq,
 			       komeda_kms_irq_handler, IRQF_SHARED,
 			       drm->driver->name, drm);
 	if (err)
-		goto free_component_binding;
+		goto cleanup_mode_config;
 
 	drm_kms_helper_poll_init(drm);
 
@@ -327,8 +322,6 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
 
 free_interrupts:
 	drm_kms_helper_poll_fini(drm);
-free_component_binding:
-	component_unbind_all(mdev->dev, drm);
 cleanup_mode_config:
 	drm_mode_config_cleanup(drm);
 	komeda_kms_cleanup_private_objs(kms);
@@ -339,12 +332,10 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
 void komeda_kms_detach(struct komeda_kms_dev *kms)
 {
 	struct drm_device *drm = &kms->base;
-	struct komeda_dev *mdev = drm->dev_private;
 
 	drm_dev_unregister(drm);
 	drm_kms_helper_poll_fini(drm);
 	drm_atomic_helper_shutdown(drm);
-	component_unbind_all(mdev->dev, drm);
 	drm_mode_config_cleanup(drm);
 	komeda_kms_cleanup_private_objs(kms);
 	drm->dev_private = NULL;

drivers/gpu/drm/arm/display/komeda/komeda_kms.h

@@ -84,6 +84,9 @@ struct komeda_crtc {
 
 	/** @disable_done: this flip_done is for tracing the disable */
 	struct completion *disable_done;
+
+	/** @encoder: encoder at the end of the pipeline */
+	struct drm_encoder encoder;
 };
 
 /**

drivers/gpu/drm/ast/ast_main.c

@@ -35,23 +35,6 @@
 
 #include "ast_drv.h"
 
-static int ast_init_pci_config(struct pci_dev *pdev)
-{
-	int err;
-	u16 pcis04;
-
-	err = pci_read_config_word(pdev, PCI_COMMAND, &pcis04);
-	if (err)
-		goto out;
-
-	pcis04 |= PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
-
-	err = pci_write_config_word(pdev, PCI_COMMAND, pcis04);
-
-out:
-	return pcibios_err_to_errno(err);
-}
-
 static bool ast_is_vga_enabled(struct drm_device *dev)
 {
 	struct ast_device *ast = to_ast_device(dev);
@@ -483,10 +466,6 @@ struct ast_device *ast_device_create(const struct drm_driver *drv,
 			return ERR_PTR(-EIO);
 	}
 
-	ret = ast_init_pci_config(pdev);
-	if (ret)
-		return ERR_PTR(ret);
-
 	if (!ast_is_vga_enabled(dev)) {
 		drm_info(dev, "VGA not enabled on entry, requesting chip POST\n");
 		need_post = true;

drivers/gpu/drm/bridge/Kconfig

@@ -74,19 +74,19 @@ config DRM_FSL_LDB
 	  Support for i.MX8MP DPI-to-LVDS on-SoC encoder.
 
 config DRM_ITE_IT6505
-        tristate "ITE IT6505 DisplayPort bridge"
-        depends on OF
+	tristate "ITE IT6505 DisplayPort bridge"
+	depends on OF
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HDCP_HELPER
 	select DRM_DISPLAY_HELPER
-        select DRM_DP_AUX_BUS
-        select DRM_KMS_HELPER
-        select DRM_DP_HELPER
-        select EXTCON
-        select CRYPTO
-        select CRYPTO_HASH
-        help
-          ITE IT6505 DisplayPort bridge chip driver.
+	select DRM_DP_AUX_BUS
+	select DRM_KMS_HELPER
+	select DRM_DP_HELPER
+	select EXTCON
+	select CRYPTO
+	select CRYPTO_HASH
+	help
+	  ITE IT6505 DisplayPort bridge chip driver.
 
 config DRM_LONTIUM_LT8912B
 	tristate "Lontium LT8912B DSI/HDMI bridge"