Release 4.7 drivers/gpu/drm/exynos/exynos_drm_vidi.c

/* exynos_drm_vidi.c
 *
 * Copyright (C) 2012 Samsung Electronics Co.Ltd
 * Authors:
 *      Inki Dae <inki.dae@samsung.com>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 */
#include <drm/drmP.h>

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/component.h>

#include <drm/exynos_drm.h>

#include <drm/drm_edid.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_atomic_helper.h>

#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"
#include "exynos_drm_fb.h"
#include "exynos_drm_plane.h"
#include "exynos_drm_vidi.h"

/* vidi has totally three virtual windows. */

#define WINDOWS_NR		3


#define ctx_from_connector(c)	container_of(c, struct vidi_context, \
                                        connector)


struct vidi_context {
	
struct drm_encoder		encoder;
	
struct platform_device		*pdev;
	
struct drm_device		*drm_dev;
	
struct exynos_drm_crtc		*crtc;
	
struct drm_connector		connector;
	
struct exynos_drm_plane		planes[WINDOWS_NR];
	
struct edid			*raw_edid;
	
unsigned int			clkdiv;
	
unsigned long			irq_flags;
	
unsigned int			connected;
	
bool				vblank_on;
	
bool				suspended;
	
bool				direct_vblank;
	
struct work_struct		work;
	
struct mutex			lock;
	
int				pipe;
};



static inline struct vidi_context *encoder_to_vidi(struct drm_encoder *e)
{
	return container_of(e, struct vidi_context, encoder);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
andrzej hajda
andrzej hajda
20
80.00%
1
33.33%
gustavo padovan
gustavo padovan
5
20.00%
2
66.67%
Total
25
100.00%
3
100.00%


static const char fake_edid_info[] = {
	0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x4c, 0x2d, 0x05, 0x05,
	0x00, 0x00, 0x00, 0x00, 0x30, 0x12, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78,
	0x0a, 0xee, 0x91, 0xa3, 0x54, 0x4c, 0x99, 0x26, 0x0f, 0x50, 0x54, 0xbd,
	0xee, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x66, 0x21, 0x50, 0xb0, 0x51, 0x00,
	0x1b, 0x30, 0x40, 0x70, 0x36, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e,
	0x01, 0x1d, 0x00, 0x72, 0x51, 0xd0, 0x1e, 0x20, 0x6e, 0x28, 0x55, 0x00,
	0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18,
	0x4b, 0x1a, 0x44, 0x17, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
	0x00, 0x00, 0x00, 0xfc, 0x00, 0x53, 0x41, 0x4d, 0x53, 0x55, 0x4e, 0x47,
	0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0xbc, 0x02, 0x03, 0x1e, 0xf1,
	0x46, 0x84, 0x05, 0x03, 0x10, 0x20, 0x22, 0x23, 0x09, 0x07, 0x07, 0x83,
	0x01, 0x00, 0x00, 0xe2, 0x00, 0x0f, 0x67, 0x03, 0x0c, 0x00, 0x10, 0x00,
	0xb8, 0x2d, 0x01, 0x1d, 0x80, 0x18, 0x71, 0x1c, 0x16, 0x20, 0x58, 0x2c,
	0x25, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x9e, 0x8c, 0x0a, 0xd0, 0x8a,
	0x20, 0xe0, 0x2d, 0x10, 0x10, 0x3e, 0x96, 0x00, 0xa0, 0x5a, 0x00, 0x00,
	0x00, 0x18, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
	0x45, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x06
};


static const uint32_t formats[] = {
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_ARGB8888,
	DRM_FORMAT_NV12,
};


static const enum drm_plane_type vidi_win_types[WINDOWS_NR] = {
	DRM_PLANE_TYPE_PRIMARY,
	DRM_PLANE_TYPE_OVERLAY,
	DRM_PLANE_TYPE_CURSOR,
};



static int vidi_enable_vblank(struct exynos_drm_crtc *crtc)
{
	struct vidi_context *ctx = crtc->ctx;

	if (ctx->suspended)
		return -EPERM;

	if (!test_and_set_bit(0, &ctx->irq_flags))
		ctx->vblank_on = true;

	ctx->direct_vblank = true;

	/*
         * in case of page flip request, vidi_finish_pageflip function
         * will not be called because direct_vblank is true and then
         * that function will be called by crtc_ops->update_plane callback
         */
	schedule_work(&ctx->work);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
61
91.04%
2
50.00%
gustavo padovan
gustavo padovan
6
8.96%
2
50.00%
Total
67
100.00%
4
100.00%



static void vidi_disable_vblank(struct exynos_drm_crtc *crtc)
{
	struct vidi_context *ctx = crtc->ctx;

	if (ctx->suspended)
		return;

	if (test_and_clear_bit(0, &ctx->irq_flags))
		ctx->vblank_on = false;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
40
88.89%
1
50.00%
gustavo padovan
gustavo padovan
5
11.11%
1
50.00%
Total
45
100.00%
2
100.00%



static void vidi_update_plane(struct exynos_drm_crtc *crtc,
			      struct exynos_drm_plane *plane)
{
	struct drm_plane_state *state = plane->base.state;
	struct vidi_context *ctx = crtc->ctx;
	dma_addr_t addr;

	if (ctx->suspended)
		return;

	addr = exynos_drm_fb_dma_addr(state->fb, 0);
	DRM_DEBUG_KMS("dma_addr = %pad\n", &addr);

	if (ctx->vblank_on)
		schedule_work(&ctx->work);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
41
51.90%
1
16.67%
marek szyprowski
marek szyprowski
27
34.18%
1
16.67%
gustavo padovan
gustavo padovan
10
12.66%
3
50.00%
jingoo han
jingoo han
1
1.27%
1
16.67%
Total
79
100.00%
6
100.00%



static void vidi_enable(struct exynos_drm_crtc *crtc)
{
	struct vidi_context *ctx = crtc->ctx;

	mutex_lock(&ctx->lock);

	ctx->suspended = false;

	/* if vblank was enabled status, enable it again. */
	if (test_and_clear_bit(0, &ctx->irq_flags))
		vidi_enable_vblank(ctx->crtc);

	mutex_unlock(&ctx->lock);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
36
58.06%
1
20.00%
gustavo padovan
gustavo padovan
24
38.71%
3
60.00%
joonyoung shim
joonyoung shim
2
3.23%
1
20.00%
Total
62
100.00%
5
100.00%



static void vidi_disable(struct exynos_drm_crtc *crtc)
{
	struct vidi_context *ctx = crtc->ctx;

	mutex_lock(&ctx->lock);

	ctx->suspended = true;

	mutex_unlock(&ctx->lock);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
32
76.19%
1
25.00%
gustavo padovan
gustavo padovan
9
21.43%
2
50.00%
joonyoung shim
joonyoung shim
1
2.38%
1
25.00%
Total
42
100.00%
4
100.00%



static int vidi_ctx_initialize(struct vidi_context *ctx,
			struct drm_device *drm_dev)
{
	struct exynos_drm_private *priv = drm_dev->dev_private;

	ctx->drm_dev = drm_dev;
	ctx->pipe = priv->pipe++;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
30
69.77%
1
33.33%
inki dae
inki dae
10
23.26%
1
33.33%
gustavo padovan
gustavo padovan
3
6.98%
1
33.33%
Total
43
100.00%
3
100.00%


static const struct exynos_drm_crtc_ops vidi_crtc_ops = {
	.enable = vidi_enable,
	.disable = vidi_disable,
	.enable_vblank = vidi_enable_vblank,
	.disable_vblank = vidi_disable_vblank,
	.update_plane = vidi_update_plane,
};



static void vidi_fake_vblank_handler(struct work_struct *work)
{
	struct vidi_context *ctx = container_of(work, struct vidi_context,
					work);
	int win;

	if (ctx->pipe < 0)
		return;

	/* refresh rate is about 50Hz. */
	usleep_range(16000, 20000);

	mutex_lock(&ctx->lock);

	if (ctx->direct_vblank) {
		drm_crtc_handle_vblank(&ctx->crtc->base);
		ctx->direct_vblank = false;
		mutex_unlock(&ctx->lock);
		return;
	}

	mutex_unlock(&ctx->lock);

	for (win = 0 ; win < WINDOWS_NR ; win++) {
		struct exynos_drm_plane *plane = &ctx->planes[win];

		if (!plane->pending_fb)
			continue;

		exynos_drm_crtc_finish_update(ctx->crtc, plane);
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
90
64.29%
2
40.00%
gustavo padovan
gustavo padovan
47
33.57%
2
40.00%
sean paul
sean paul
3
2.14%
1
20.00%
Total
140
100.00%
5
100.00%



static ssize_t vidi_show_connection(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct vidi_context *ctx = dev_get_drvdata(dev);
	int rc;

	mutex_lock(&ctx->lock);

	rc = sprintf(buf, "%d\n", ctx->connected);

	mutex_unlock(&ctx->lock);

	return rc;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
58
89.23%
1
25.00%
andrzej hajda
andrzej hajda
5
7.69%
1
25.00%
sean paul
sean paul
1
1.54%
1
25.00%
marek szyprowski
marek szyprowski
1
1.54%
1
25.00%
Total
65
100.00%
4
100.00%



static ssize_t vidi_store_connection(struct device *dev,
				struct device_attribute *attr,
				const char *buf, size_t len)
{
	struct vidi_context *ctx = dev_get_drvdata(dev);
	int ret;

	ret = kstrtoint(buf, 0, &ctx->connected);
	if (ret)
		return ret;

	if (ctx->connected > 1)
		return -EINVAL;

	/* use fake edid data for test. */
	if (!ctx->raw_edid)
		ctx->raw_edid = (struct edid *)fake_edid_info;

	/* if raw_edid isn't same as fake data then it can't be tested. */
	if (ctx->raw_edid != (struct edid *)fake_edid_info) {
		DRM_DEBUG_KMS("edid data is not fake data.\n");
		return -EINVAL;
	}

	DRM_DEBUG_KMS("requested connection.\n");

	drm_helper_hpd_irq_event(ctx->drm_dev);

	return len;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
125
96.90%
3
60.00%
andrzej hajda
andrzej hajda
3
2.33%
1
20.00%
marek szyprowski
marek szyprowski
1
0.78%
1
20.00%
Total
129
100.00%
5
100.00%

static DEVICE_ATTR(connection, 0644, vidi_show_connection,
			vidi_store_connection);



int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
				struct drm_file *file_priv)
{
	struct vidi_context *ctx = dev_get_drvdata(drm_dev->dev);
	struct drm_exynos_vidi_connection *vidi = data;

	if (!vidi) {
		DRM_DEBUG_KMS("user data for vidi is null.\n");
		return -EINVAL;
	}

	if (vidi->connection > 1) {
		DRM_DEBUG_KMS("connection should be 0 or 1.\n");
		return -EINVAL;
	}

	if (ctx->connected == vidi->connection) {
		DRM_DEBUG_KMS("same connection request.\n");
		return -EINVAL;
	}

	if (vidi->connection) {
		struct edid *raw_edid;

		raw_edid = (struct edid *)(unsigned long)vidi->edid;
		if (!drm_edid_is_valid(raw_edid)) {
			DRM_DEBUG_KMS("edid data is invalid.\n");
			return -EINVAL;
		}
		ctx->raw_edid = drm_edid_duplicate(raw_edid);
		if (!ctx->raw_edid) {
			DRM_DEBUG_KMS("failed to allocate raw_edid.\n");
			return -ENOMEM;
		}
	} else {
		/*
                 * with connection = 0, free raw_edid
                 * only if raw edid data isn't same as fake data.
                 */
		if (ctx->raw_edid && ctx->raw_edid !=
				(struct edid *)fake_edid_info) {
			kfree(ctx->raw_edid);
			ctx->raw_edid = NULL;
		}
	}

	ctx->connected = vidi->connection;
	drm_helper_hpd_irq_event(ctx->drm_dev);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
188
84.68%
3
37.50%
seung-woo kim
seung-woo kim
20
9.01%
1
12.50%
marek szyprowski
marek szyprowski
6
2.70%
1
12.50%
gustavo padovan
gustavo padovan
6
2.70%
1
12.50%
jani nikula
jani nikula
1
0.45%
1
12.50%
alexandru gheorghiu
alexandru gheorghiu
1
0.45%
1
12.50%
Total
222
100.00%
8
100.00%



static enum drm_connector_status vidi_detect(struct drm_connector *connector,
			bool force)
{
	struct vidi_context *ctx = ctx_from_connector(connector);

	/*
         * connection request would come from user side
         * to do hotplug through specific ioctl.
         */
	return ctx->connected ? connector_status_connected :
			connector_status_disconnected;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
35
100.00%
1
100.00%
Total
35
100.00%
1
100.00%



static void vidi_connector_destroy(struct drm_connector *connector)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
10
100.00%
1
100.00%
Total
10
100.00%
1
100.00%


static const struct drm_connector_funcs vidi_connector_funcs = {
	.dpms = drm_atomic_helper_connector_dpms,
	.fill_modes = drm_helper_probe_single_connector_modes,
	.detect = vidi_detect,
	.destroy = vidi_connector_destroy,
	.reset = drm_atomic_helper_connector_reset,
	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};



static int vidi_get_modes(struct drm_connector *connector)
{
	struct vidi_context *ctx = ctx_from_connector(connector);
	struct edid *edid;
	int edid_len;

	/*
         * the edid data comes from user side and it would be set
         * to ctx->raw_edid through specific ioctl.
         */
	if (!ctx->raw_edid) {
		DRM_DEBUG_KMS("raw_edid is null.\n");
		return -EFAULT;
	}

	edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
	edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
	if (!edid) {
		DRM_DEBUG_KMS("failed to allocate edid\n");
		return -ENOMEM;
	}

	drm_mode_connector_update_edid_property(connector, edid);

	return drm_add_edid_modes(connector, edid);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
106
100.00%
1
100.00%
Total
106
100.00%
1
100.00%



static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector)
{
	struct vidi_context *ctx = ctx_from_connector(connector);

	return &ctx->encoder;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
28
96.55%
1
50.00%
gustavo padovan
gustavo padovan
1
3.45%
1
50.00%
Total
29
100.00%
2
100.00%


static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = {
	.get_modes = vidi_get_modes,
	.best_encoder = vidi_best_encoder,
};



static int vidi_create_connector(struct drm_encoder *encoder)
{
	struct vidi_context *ctx = encoder_to_vidi(encoder);
	struct drm_connector *connector = &ctx->connector;
	int ret;

	connector->polled = DRM_CONNECTOR_POLL_HPD;

	ret = drm_connector_init(ctx->drm_dev, connector,
			&vidi_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
	if (ret) {
		DRM_ERROR("Failed to initialize connector with drm\n");
		return ret;
	}

	drm_connector_helper_add(connector, &vidi_connector_helper_funcs);
	drm_connector_register(connector);
	drm_mode_connector_attach_encoder(connector, encoder);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
sean paul
sean paul
84
90.32%
1
20.00%
gustavo padovan
gustavo padovan
7
7.53%
2
40.00%
thomas wood
thomas wood
1
1.08%
1
20.00%
andrzej hajda
andrzej hajda
1
1.08%
1
20.00%
Total
93
100.00%
5
100.00%



static void exynos_vidi_mode_set(struct drm_encoder *encoder,
			       struct drm_display_mode *mode,
			       struct drm_display_mode *adjusted_mode)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
gustavo padovan
gustavo padovan
20
100.00%
1
100.00%
Total
20
100.00%
1
100.00%



static void exynos_vidi_enable(struct drm_encoder *encoder)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
gustavo padovan
gustavo padovan
10
100.00%
1
100.00%
Total
10
100.00%
1
100.00%



static void exynos_vidi_disable(struct drm_encoder *encoder)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
gustavo padovan
gustavo padovan
10
100.00%
1
100.00%
Total
10
100.00%
1
100.00%


static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs = {
	.mode_set = exynos_vidi_mode_set,
	.enable = exynos_vidi_enable,
	.disable = exynos_vidi_disable,
};


static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = {
	.destroy = drm_encoder_cleanup,
};



static int vidi_bind(struct device *dev, struct device *master, void *data)
{
	struct vidi_context *ctx = dev_get_drvdata(dev);
	struct drm_device *drm_dev = data;
	struct drm_encoder *encoder = &ctx->encoder;
	struct exynos_drm_plane *exynos_plane;
	struct exynos_drm_plane_config plane_config = { 0 };
	unsigned int i;
	int pipe, ret;

	vidi_ctx_initialize(ctx, drm_dev);

	plane_config.pixel_formats = formats;
	plane_config.num_pixel_formats = ARRAY_SIZE(formats);

	for (i = 0; i < WINDOWS_NR; i++) {
		plane_config.zpos = i;
		plane_config.type = vidi_win_types[i];

		ret = exynos_plane_init(drm_dev, &ctx->planes[i], i,
					1 << ctx->pipe, &plane_config);
		if (ret)
			return ret;
	}

	exynos_plane = &ctx->planes[DEFAULT_WIN];
	ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
					   ctx->pipe, EXYNOS_DISPLAY_TYPE_VIDI,
					   &vidi_crtc_ops, ctx);
	if (IS_ERR(ctx->crtc)) {
		DRM_ERROR("failed to create crtc.\n");
		return PTR_ERR(ctx->crtc);
	}

	pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
						  EXYNOS_DISPLAY_TYPE_VIDI);
	if (pipe < 0)
		return pipe;

	encoder->possible_crtcs = 1 << pipe;

	DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);

	drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
			 DRM_MODE_ENCODER_TMDS, NULL);

	drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);

	ret = vidi_create_connector(encoder);
	if (ret) {
		DRM_ERROR("failed to create connector ret = %d\n", ret);
		drm_encoder_cleanup(encoder);
		return ret;
	}

	return 0;
}


Contributors
Person
Tokens
Prop
Commits
CommitProp
gustavo padovan
gustavo padovan
171
56.81%
10
55.56%
inki dae
inki dae
73
24.25%
3
16.67%
marek szyprowski
marek szyprowski
43
14.29%
2
11.11%
joonyoung shim
joonyoung shim
7
2.33%
1
5.56%
andrzej hajda
andrzej hajda
5
1.66%
1
5.56%
ville syrjala
ville syrjala
2
0.66%
1
5.56%
Total
301
100.00%
18
100.00%



static void vidi_unbind(struct device *dev, struct device *master, void *data)
{
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%


static const struct component_ops vidi_component_ops = {
	.bind	= vidi_bind,
	.unbind = vidi_unbind,
};



static int vidi_probe(struct platform_device *pdev)
{
	struct vidi_context *ctx;
	int ret;

	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
	if (!ctx)
		return -ENOMEM;

	ctx->pdev = pdev;

	INIT_WORK(&ctx->work, vidi_fake_vblank_handler);

	mutex_init(&ctx->lock);

	platform_set_drvdata(pdev, ctx);

	ret = device_create_file(&pdev->dev, &dev_attr_connection);
	if (ret < 0) {
		DRM_ERROR("failed to create connection sysfs.\n");
		return ret;
	}

	ret = component_add(&pdev->dev, &vidi_component_ops);
	if (ret)
		goto err_remove_file;

	return ret;

err_remove_file:
	device_remove_file(&pdev->dev, &dev_attr_connection);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
138
95.17%
3
50.00%
andrzej hajda
andrzej hajda
4
2.76%
2
33.33%
sachin kamat
sachin kamat
3
2.07%
1
16.67%
Total
145
100.00%
6
100.00%



static int vidi_remove(struct platform_device *pdev)
{
	struct vidi_context *ctx = platform_get_drvdata(pdev);

	if (ctx->raw_edid != (struct edid *)fake_edid_info) {
		kfree(ctx->raw_edid);
		ctx->raw_edid = NULL;

		return -EINVAL;
	}

	component_del(&pdev->dev, &vidi_component_ops);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
65
97.01%
4
80.00%
andrzej hajda
andrzej hajda
2
2.99%
1
20.00%
Total
67
100.00%
5
100.00%


struct platform_driver vidi_driver = {
	.probe		= vidi_probe,
	.remove		= vidi_remove,
	.driver		= {
		.name	= "exynos-drm-vidi",
		.owner	= THIS_MODULE,
        },
};
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
inki dae
inki dae
1583
60.19%
8
15.38%
sean paul
sean paul
439
16.69%
5
9.62%
gustavo padovan
gustavo padovan
406
15.44%
17
32.69%
marek szyprowski
marek szyprowski
112
4.26%
5
9.62%
andrzej hajda
andrzej hajda
42
1.60%
4
7.69%
seung-woo kim
seung-woo kim
20
0.76%
1
1.92%
joonyoung shim
joonyoung shim
10
0.38%
2
3.85%
ville syrjala
ville syrjala
6
0.23%
2
3.85%
sachin kamat
sachin kamat
3
0.11%
1
1.92%
david howells
david howells
3
0.11%
1
1.92%
mark brown
mark brown
1
0.04%
1
1.92%
krzysztof kozlowski
krzysztof kozlowski
1
0.04%
1
1.92%
alexandru gheorghiu
alexandru gheorghiu
1
0.04%
1
1.92%
jani nikula
jani nikula
1
0.04%
1
1.92%
jingoo han
jingoo han
1
0.04%
1
1.92%
thomas wood
thomas wood
1
0.04%
1
1.92%
Total
2630
100.00%
52
100.00%
  
Directory: drivers/gpu/drm/exynos

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.