[PATCH 05/16] drm/udl: Move connector to modesetting code
Thomas Zimmermann
tzimmermann at suse.de
Mon Sep 19 13:03:57 UTC 2022
Move the connector next to the rest of the modesetting code. No
functional changes.
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
drivers/gpu/drm/udl/Makefile | 2 +-
drivers/gpu/drm/udl/udl_connector.c | 132 ----------------------------
drivers/gpu/drm/udl/udl_connector.h | 21 -----
drivers/gpu/drm/udl/udl_drv.h | 11 +++
drivers/gpu/drm/udl/udl_modeset.c | 122 +++++++++++++++++++++++++
5 files changed, 134 insertions(+), 154 deletions(-)
delete mode 100644 drivers/gpu/drm/udl/udl_connector.c
delete mode 100644 drivers/gpu/drm/udl/udl_connector.h
diff --git a/drivers/gpu/drm/udl/Makefile b/drivers/gpu/drm/udl/Makefile
index 24d61f61d7db..3f6db179455d 100644
--- a/drivers/gpu/drm/udl/Makefile
+++ b/drivers/gpu/drm/udl/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-udl-y := udl_drv.o udl_modeset.o udl_connector.o udl_main.o udl_transfer.o
+udl-y := udl_drv.o udl_modeset.o udl_main.o udl_transfer.o
obj-$(CONFIG_DRM_UDL) := udl.o
diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
deleted file mode 100644
index 538b47ffa67f..000000000000
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ /dev/null
@@ -1,132 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2012 Red Hat
- * based in parts on udlfb.c:
- * Copyright (C) 2009 Roberto De Ioris <roberto at unbit.it>
- * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml at gmail.com>
- * Copyright (C) 2009 Bernie Thompson <bernie at plugable.com>
- */
-
-#include <drm/drm_atomic_state_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_probe_helper.h>
-
-#include "udl_connector.h"
-#include "udl_drv.h"
-
-static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len)
-{
- struct udl_device *udl = data;
- struct drm_device *dev = &udl->drm;
- struct usb_device *udev = udl_to_usb_device(udl);
- u8 *read_buff;
- int ret;
- size_t i;
-
- read_buff = kmalloc(2, GFP_KERNEL);
- if (!read_buff)
- return -ENOMEM;
-
- for (i = 0; i < len; i++) {
- int bval = (i + block * EDID_LENGTH) << 8;
-
- ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
- 0x02, (0x80 | (0x02 << 5)), bval,
- 0xA1, read_buff, 2, USB_CTRL_GET_TIMEOUT);
- if (ret < 0) {
- drm_err(dev, "Read EDID byte %zu failed err %x\n", i, ret);
- goto err_kfree;
- } else if (ret < 1) {
- ret = -EIO;
- drm_err(dev, "Read EDID byte %zu failed\n", i);
- goto err_kfree;
- }
-
- buf[i] = read_buff[1];
- }
-
- kfree(read_buff);
-
- return 0;
-
-err_kfree:
- kfree(read_buff);
- return ret;
-}
-
-static int udl_connector_helper_get_modes(struct drm_connector *connector)
-{
- struct udl_connector *udl_connector = to_udl_connector(connector);
-
- drm_connector_update_edid_property(connector, udl_connector->edid);
- if (udl_connector->edid)
- return drm_add_edid_modes(connector, udl_connector->edid);
-
- return 0;
-}
-
-static enum drm_connector_status udl_connector_detect(struct drm_connector *connector, bool force)
-{
- struct udl_device *udl = to_udl(connector->dev);
- struct udl_connector *udl_connector = to_udl_connector(connector);
-
- /* cleanup previous EDID */
- kfree(udl_connector->edid);
-
- udl_connector->edid = drm_do_get_edid(connector, udl_get_edid_block, udl);
- if (!udl_connector->edid)
- return connector_status_disconnected;
-
- return connector_status_connected;
-}
-
-static void udl_connector_destroy(struct drm_connector *connector)
-{
- struct udl_connector *udl_connector = to_udl_connector(connector);
-
- drm_connector_cleanup(connector);
- kfree(udl_connector->edid);
- kfree(udl_connector);
-}
-
-static const struct drm_connector_helper_funcs udl_connector_helper_funcs = {
- .get_modes = udl_connector_helper_get_modes,
-};
-
-static const struct drm_connector_funcs udl_connector_funcs = {
- .reset = drm_atomic_helper_connector_reset,
- .detect = udl_connector_detect,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = udl_connector_destroy,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
-};
-
-struct drm_connector *udl_connector_init(struct drm_device *dev)
-{
- struct udl_connector *udl_connector;
- struct drm_connector *connector;
- int ret;
-
- udl_connector = kzalloc(sizeof(*udl_connector), GFP_KERNEL);
- if (!udl_connector)
- return ERR_PTR(-ENOMEM);
-
- connector = &udl_connector->connector;
- ret = drm_connector_init(dev, connector, &udl_connector_funcs, DRM_MODE_CONNECTOR_VGA);
- if (ret)
- goto err_kfree;
-
- drm_connector_helper_add(connector, &udl_connector_helper_funcs);
-
- connector->polled = DRM_CONNECTOR_POLL_HPD |
- DRM_CONNECTOR_POLL_CONNECT |
- DRM_CONNECTOR_POLL_DISCONNECT;
-
- return connector;
-
-err_kfree:
- kfree(udl_connector);
- return ERR_PTR(ret);
-}
diff --git a/drivers/gpu/drm/udl/udl_connector.h b/drivers/gpu/drm/udl/udl_connector.h
deleted file mode 100644
index 74ad68fd3cc9..000000000000
--- a/drivers/gpu/drm/udl/udl_connector.h
+++ /dev/null
@@ -1,21 +0,0 @@
-#ifndef __UDL_CONNECTOR_H__
-#define __UDL_CONNECTOR_H__
-
-#include <linux/container_of.h>
-
-#include <drm/drm_connector.h>
-
-struct edid;
-
-struct udl_connector {
- struct drm_connector connector;
- /* last udl_detect edid */
- struct edid *edid;
-};
-
-static inline struct udl_connector *to_udl_connector(struct drm_connector *connector)
-{
- return container_of(connector, struct udl_connector, connector);
-}
-
-#endif //__UDL_CONNECTOR_H__
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index b4cc7cc568c7..d7a3d495f2e7 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -46,6 +46,17 @@ struct urb_list {
size_t size;
};
+struct udl_connector {
+ struct drm_connector connector;
+ /* last udl_detect edid */
+ struct edid *edid;
+};
+
+static inline struct udl_connector *to_udl_connector(struct drm_connector *connector)
+{
+ return container_of(connector, struct udl_connector, connector);
+}
+
struct udl_device {
struct drm_device drm;
struct device *dev;
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index c7adc29a53a1..93e7554e83fa 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -11,11 +11,13 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_damage_helper.h>
+#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
#include "udl_drv.h"
@@ -403,6 +405,126 @@ static const struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs
DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
};
+/*
+ * Connector
+ */
+
+static int udl_connector_helper_get_modes(struct drm_connector *connector)
+{
+ struct udl_connector *udl_connector = to_udl_connector(connector);
+
+ drm_connector_update_edid_property(connector, udl_connector->edid);
+ if (udl_connector->edid)
+ return drm_add_edid_modes(connector, udl_connector->edid);
+
+ return 0;
+}
+
+static const struct drm_connector_helper_funcs udl_connector_helper_funcs = {
+ .get_modes = udl_connector_helper_get_modes,
+};
+
+static int udl_get_edid_block(void *data, u8 *buf, unsigned int block, size_t len)
+{
+ struct udl_device *udl = data;
+ struct drm_device *dev = &udl->drm;
+ struct usb_device *udev = udl_to_usb_device(udl);
+ u8 *read_buff;
+ int ret;
+ size_t i;
+
+ read_buff = kmalloc(2, GFP_KERNEL);
+ if (!read_buff)
+ return -ENOMEM;
+
+ for (i = 0; i < len; i++) {
+ int bval = (i + block * EDID_LENGTH) << 8;
+
+ ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ 0x02, (0x80 | (0x02 << 5)), bval,
+ 0xA1, read_buff, 2, USB_CTRL_GET_TIMEOUT);
+ if (ret < 0) {
+ drm_err(dev, "Read EDID byte %zu failed err %x\n", i, ret);
+ goto err_kfree;
+ } else if (ret < 1) {
+ ret = -EIO;
+ drm_err(dev, "Read EDID byte %zu failed\n", i);
+ goto err_kfree;
+ }
+
+ buf[i] = read_buff[1];
+ }
+
+ kfree(read_buff);
+
+ return 0;
+
+err_kfree:
+ kfree(read_buff);
+ return ret;
+}
+
+static enum drm_connector_status udl_connector_detect(struct drm_connector *connector, bool force)
+{
+ struct udl_device *udl = to_udl(connector->dev);
+ struct udl_connector *udl_connector = to_udl_connector(connector);
+
+ /* cleanup previous EDID */
+ kfree(udl_connector->edid);
+
+ udl_connector->edid = drm_do_get_edid(connector, udl_get_edid_block, udl);
+ if (!udl_connector->edid)
+ return connector_status_disconnected;
+
+ return connector_status_connected;
+}
+
+static void udl_connector_destroy(struct drm_connector *connector)
+{
+ struct udl_connector *udl_connector = to_udl_connector(connector);
+
+ drm_connector_cleanup(connector);
+ kfree(udl_connector->edid);
+ kfree(udl_connector);
+}
+
+static const struct drm_connector_funcs udl_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .detect = udl_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = udl_connector_destroy,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+struct drm_connector *udl_connector_init(struct drm_device *dev)
+{
+ struct udl_connector *udl_connector;
+ struct drm_connector *connector;
+ int ret;
+
+ udl_connector = kzalloc(sizeof(*udl_connector), GFP_KERNEL);
+ if (!udl_connector)
+ return ERR_PTR(-ENOMEM);
+
+ connector = &udl_connector->connector;
+ ret = drm_connector_init(dev, connector, &udl_connector_funcs, DRM_MODE_CONNECTOR_VGA);
+ if (ret)
+ goto err_kfree;
+
+ drm_connector_helper_add(connector, &udl_connector_helper_funcs);
+
+ connector->polled = DRM_CONNECTOR_POLL_HPD |
+ DRM_CONNECTOR_POLL_CONNECT |
+ DRM_CONNECTOR_POLL_DISCONNECT;
+
+ return connector;
+
+err_kfree:
+ kfree(udl_connector);
+ return ERR_PTR(ret);
+}
+
/*
* Modesetting
*/
--
2.37.3
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