Merge tag 'drm-misc-next-2021-11-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.17:

UAPI Changes:

 * Remove restrictions on DMA_BUF_SET_NAME ioctl
 * connector: State of privacy screen
 * sysfs: Send hotplug uevent

Cross-subsystem Changes:

 * clk/bmc-2835: Fixes

 * dma-buf: Add dma_resv selftest; Error-handling fixes; Add debugfs
   helpers; Remove dma_resv_get_excl_unlocked(); Documentation fixes

 * pwm: Introduce of_pwm_single_xlate()

Core Changes:

 * Support for privacy screens
 * Make drm_irq.c legacy
 * Fix __stack_depot_* name conflict
 * Documentation fixes
 * Fixes and cleanups

 * dp-helper: Reuse 8b/10b link-training delay helpers

 * format-helper: Update interfaces

 * fb-helper: Allocate shadow buffer of correct size

 * gem: Link GEM SHMEM and CMA helpers into separate modules; Use
	    dma_resv iterator; Import DMA_BUF namespace into GEM-helper modules

 * gem/shmem-helper: Interface cleanups

 * scheduler: Grab fence in drm_sched_job_add_implicit_dependencies();
   Lockdep fixes

 * kms-helpers: Link several files from core into the KMS-helper module

Driver Changes:

 * Use dma_resv_iter in several places
 * Fixes and cleanups

 * amdgpu: Use drm_kms_helper_connector_hotplug_event(); Get all fences
   at once

 * bridge: Switch to managed MIPI DSI helpers in several places; Register
   and attach during probe in several places; Convert to YAML in several
   places

 * bridge/anx7625: Support MIPI DPI input; Support HDMI audio; Fixes

 * bridge/dw-hdmi: Allow interlace on bridge

 * bridge/ps8640: Enable PM; Support aux-bus

 * bridge/tc358768: Enabled reference clock; Support pulse mode;
   Modesetting fixes

 * bridge/ti-sn65dsi86: Use regmap_bulk_write(); Implement PWM

 * etnaviv: Get all fences at once

 * gma500: GEM object cleanups; Remove generic drivers in probe function

 * i915: Support VESA panel backlights

 * ingenic: Fixes and cleanups

 * kirin: Adjust probe order

 * kmb: Enable framebuffer console

 * lima: Kconfig fixes

 * meson: Refactoring to supperot DRM_BRIDGE_ATTACH_NO_ENCODER

 * msm: Fixes and cleanups

 * msm/dsi: Adjust probe order

 * omap: Fixes and cleanups

 * nouveau: CRC fixes; Validate LUTs in atomic check; Set HDMI AVI RGB
   quantization to FULL; Fixes and cleanups

 * panel: Support Innolux G070Y2-T02, Vivax TPC-9150, JDI R63452,
   Newhaven 1.8-128160EF, Wanchanglong W552964ABA, Novatek NT35950,
   BOE BF060Y8M, Sony Tulip Truly NT35521; Use dev_err_probe() throughout
   drivers; Fixes and cleanups

 * panel/ili9881c: Orientation fixes

 * radeon: Use dma_resv_wait_timeout()

 * rockchip: Add timeout for DSP hold; Suspend/resume fixes; PLL clock
   fixes; Implement mmap in GEM object functions

 * simpledrm: Support FB_DAMAGE_CLIPS and virtual screen sizes

 * sun4i: Use CMA helpers without vmap support

 * tidss: Fixes and cleanups

 * v3d: Cleanups

 * vc4: Fix HDMI-CEC hang when display is off; Power on HDMI controller
   while disabling; Support 4k@60 Hz modes; Fixes and cleanups

 * video: Convert to sysfs_emit() in several places

 * video/omapfb: Fix fall-through

 * virtio: Overflow fixes

 * xen: Implement mmap as GEM object functions

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YZYZSypIrr+qcih3@linux-uq9g.fritz.box

1 files changed, 284 insertions, 0 deletions

diff --git a/drivers/gpu/drm/meson/meson_encoder_cvbs.c b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
new file mode 100644
index 000000000000..fd8db97ba8ba
--- /dev/null
+++ b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
@@ -0,0 +1,284 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ * Copyright (C) 2014 Endless Mobile
+ *
+ * Written by:
+ *     Jasper St. Pierre <jstpierre@mecheye.net>
+ */
+
+#include <linux/export.h>
+#include <linux/of_graph.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_bridge_connector.h>
+#include <drm/drm_device.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+#include "meson_registers.h"
+#include "meson_vclk.h"
+#include "meson_encoder_cvbs.h"
+
+/* HHI VDAC Registers */
+#define HHI_VDAC_CNTL0		0x2F4 /* 0xbd offset in data sheet */
+#define HHI_VDAC_CNTL0_G12A	0x2EC /* 0xbd offset in data sheet */
+#define HHI_VDAC_CNTL1		0x2F8 /* 0xbe offset in data sheet */
+#define HHI_VDAC_CNTL1_G12A	0x2F0 /* 0xbe offset in data sheet */
+
+struct meson_encoder_cvbs {
+	struct drm_encoder	encoder;
+	struct drm_bridge	bridge;
+	struct drm_bridge	*next_bridge;
+	struct meson_drm	*priv;
+};
+
+#define bridge_to_meson_encoder_cvbs(x) \
+	container_of(x, struct meson_encoder_cvbs, bridge)
+
+/* Supported Modes */
+
+struct meson_cvbs_mode meson_cvbs_modes[MESON_CVBS_MODES_COUNT] = {
+	{ /* PAL */
+		.enci = &meson_cvbs_enci_pal,
+		.mode = {
+			DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500,
+				 720, 732, 795, 864, 0, 576, 580, 586, 625, 0,
+				 DRM_MODE_FLAG_INTERLACE),
+			.picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
+		},
+	},
+	{ /* NTSC */
+		.enci = &meson_cvbs_enci_ntsc,
+		.mode = {
+			DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500,
+				720, 739, 801, 858, 0, 480, 488, 494, 525, 0,
+				DRM_MODE_FLAG_INTERLACE),
+			.picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
+		},
+	},
+};
+
+static const struct meson_cvbs_mode *
+meson_cvbs_get_mode(const struct drm_display_mode *req_mode)
+{
+	int i;
+
+	for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
+		struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
+
+		if (drm_mode_match(req_mode, &meson_mode->mode,
+				   DRM_MODE_MATCH_TIMINGS |
+				   DRM_MODE_MATCH_CLOCK |
+				   DRM_MODE_MATCH_FLAGS |
+				   DRM_MODE_MATCH_3D_FLAGS))
+			return meson_mode;
+	}
+
+	return NULL;
+}
+
+static int meson_encoder_cvbs_attach(struct drm_bridge *bridge,
+				     enum drm_bridge_attach_flags flags)
+{
+	struct meson_encoder_cvbs *meson_encoder_cvbs =
+					bridge_to_meson_encoder_cvbs(bridge);
+
+	return drm_bridge_attach(bridge->encoder, meson_encoder_cvbs->next_bridge,
+				 &meson_encoder_cvbs->bridge, flags);
+}
+
+static int meson_encoder_cvbs_get_modes(struct drm_bridge *bridge,
+					struct drm_connector *connector)
+{
+	struct meson_encoder_cvbs *meson_encoder_cvbs =
+					bridge_to_meson_encoder_cvbs(bridge);
+	struct meson_drm *priv = meson_encoder_cvbs->priv;
+	struct drm_display_mode *mode;
+	int i;
+
+	for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
+		struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
+
+		mode = drm_mode_duplicate(priv->drm, &meson_mode->mode);
+		if (!mode) {
+			dev_err(priv->dev, "Failed to create a new display mode\n");
+			return 0;
+		}
+
+		drm_mode_probed_add(connector, mode);
+	}
+
+	return i;
+}
+
+static int meson_encoder_cvbs_mode_valid(struct drm_bridge *bridge,
+					const struct drm_display_info *display_info,
+					const struct drm_display_mode *mode)
+{
+	if (meson_cvbs_get_mode(mode))
+		return MODE_OK;
+
+	return MODE_BAD;
+}
+
+static int meson_encoder_cvbs_atomic_check(struct drm_bridge *bridge,
+					struct drm_bridge_state *bridge_state,
+					struct drm_crtc_state *crtc_state,
+					struct drm_connector_state *conn_state)
+{
+	if (meson_cvbs_get_mode(&crtc_state->mode))
+		return 0;
+
+	return -EINVAL;
+}
+
+static void meson_encoder_cvbs_atomic_enable(struct drm_bridge *bridge,
+					     struct drm_bridge_state *bridge_state)
+{
+	struct meson_encoder_cvbs *encoder_cvbs = bridge_to_meson_encoder_cvbs(bridge);
+	struct drm_atomic_state *state = bridge_state->base.state;
+	struct meson_drm *priv = encoder_cvbs->priv;
+	const struct meson_cvbs_mode *meson_mode;
+	struct drm_connector_state *conn_state;
+	struct drm_crtc_state *crtc_state;
+	struct drm_connector *connector;
+
+	connector = drm_atomic_get_new_connector_for_encoder(state, bridge->encoder);
+	if (WARN_ON(!connector))
+		return;
+
+	conn_state = drm_atomic_get_new_connector_state(state, connector);
+	if (WARN_ON(!conn_state))
+		return;
+
+	crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
+	if (WARN_ON(!crtc_state))
+		return;
+
+	meson_mode = meson_cvbs_get_mode(&crtc_state->adjusted_mode);
+	if (WARN_ON(!meson_mode))
+		return;
+
+	meson_venci_cvbs_mode_set(priv, meson_mode->enci);
+
+	/* Setup 27MHz vclk2 for ENCI and VDAC */
+	meson_vclk_setup(priv, MESON_VCLK_TARGET_CVBS,
+			 MESON_VCLK_CVBS, MESON_VCLK_CVBS,
+			 MESON_VCLK_CVBS, MESON_VCLK_CVBS,
+			 true);
+
+	/* VDAC0 source is not from ATV */
+	writel_bits_relaxed(VENC_VDAC_SEL_ATV_DMD, 0,
+			    priv->io_base + _REG(VENC_VDAC_DACSEL0));
+
+	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB)) {
+		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 1);
+		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);
+	} else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
+		 meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL)) {
+		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0xf0001);
+		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 0);
+	} else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
+		regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0x906001);
+		regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);
+	}
+}
+
+static void meson_encoder_cvbs_atomic_disable(struct drm_bridge *bridge,
+					      struct drm_bridge_state *bridge_state)
+{
+	struct meson_encoder_cvbs *meson_encoder_cvbs =
+					bridge_to_meson_encoder_cvbs(bridge);
+	struct meson_drm *priv = meson_encoder_cvbs->priv;
+
+	/* Disable CVBS VDAC */
+	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
+		regmap_write(priv->hhi, HHI_VDAC_CNTL0_G12A, 0);
+		regmap_write(priv->hhi, HHI_VDAC_CNTL1_G12A, 0);
+	} else {
+		regmap_write(priv->hhi, HHI_VDAC_CNTL0, 0);
+		regmap_write(priv->hhi, HHI_VDAC_CNTL1, 8);
+	}
+}
+
+static const struct drm_bridge_funcs meson_encoder_cvbs_bridge_funcs = {
+	.attach = meson_encoder_cvbs_attach,
+	.mode_valid = meson_encoder_cvbs_mode_valid,
+	.get_modes = meson_encoder_cvbs_get_modes,
+	.atomic_enable = meson_encoder_cvbs_atomic_enable,
+	.atomic_disable = meson_encoder_cvbs_atomic_disable,
+	.atomic_check = meson_encoder_cvbs_atomic_check,
+	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
+	.atomic_reset = drm_atomic_helper_bridge_reset,
+};
+
+int meson_encoder_cvbs_init(struct meson_drm *priv)
+{
+	struct drm_device *drm = priv->drm;
+	struct meson_encoder_cvbs *meson_encoder_cvbs;
+	struct drm_connector *connector;
+	struct device_node *remote;
+	int ret;
+
+	meson_encoder_cvbs = devm_kzalloc(priv->dev, sizeof(*meson_encoder_cvbs), GFP_KERNEL);
+	if (!meson_encoder_cvbs)
+		return -ENOMEM;
+
+	/* CVBS Connector Bridge */
+	remote = of_graph_get_remote_node(priv->dev->of_node, 0, 0);
+	if (!remote) {
+		dev_info(drm->dev, "CVBS Output connector not available\n");
+		return 0;
+	}
+
+	meson_encoder_cvbs->next_bridge = of_drm_find_bridge(remote);
+	if (!meson_encoder_cvbs->next_bridge) {
+		dev_err(priv->dev, "Failed to find CVBS Connector bridge\n");
+		return -EPROBE_DEFER;
+	}
+
+	/* CVBS Encoder Bridge */
+	meson_encoder_cvbs->bridge.funcs = &meson_encoder_cvbs_bridge_funcs;
+	meson_encoder_cvbs->bridge.of_node = priv->dev->of_node;
+	meson_encoder_cvbs->bridge.type = DRM_MODE_CONNECTOR_Composite;
+	meson_encoder_cvbs->bridge.ops = DRM_BRIDGE_OP_MODES;
+	meson_encoder_cvbs->bridge.interlace_allowed = true;
+
+	drm_bridge_add(&meson_encoder_cvbs->bridge);
+
+	meson_encoder_cvbs->priv = priv;
+
+	/* Encoder */
+	ret = drm_simple_encoder_init(priv->drm, &meson_encoder_cvbs->encoder,
+				      DRM_MODE_ENCODER_TVDAC);
+	if (ret) {
+		dev_err(priv->dev, "Failed to init CVBS encoder: %d\n", ret);
+		return ret;
+	}
+
+	meson_encoder_cvbs->encoder.possible_crtcs = BIT(0);
+
+	/* Attach CVBS Encoder Bridge to Encoder */
+	ret = drm_bridge_attach(&meson_encoder_cvbs->encoder, &meson_encoder_cvbs->bridge, NULL,
+				DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+	if (ret) {
+		dev_err(priv->dev, "Failed to attach bridge: %d\n", ret);
+		return ret;
+	}
+
+	/* Initialize & attach Bridge Connector */
+	connector = drm_bridge_connector_init(priv->drm, &meson_encoder_cvbs->encoder);
+	if (IS_ERR(connector)) {
+		dev_err(priv->dev, "Unable to create CVBS bridge connector\n");
+		return PTR_ERR(connector);
+	}
+	drm_connector_attach_encoder(connector, &meson_encoder_cvbs->encoder);
+
+	return 0;
+}