drm/tegra: Remove host1x drm_bus implementation
The DRM core can now cope with drivers that don't have an associated
struct drm_bus, so the host1x implementation is no longer useful.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile
index d43f21b..2c66a8d 100644
--- a/drivers/gpu/drm/tegra/Makefile
+++ b/drivers/gpu/drm/tegra/Makefile
@@ -1,7 +1,6 @@
ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG
tegra-drm-y := \
- bus.o \
drm.o \
gem.o \
fb.o \
diff --git a/drivers/gpu/drm/tegra/bus.c b/drivers/gpu/drm/tegra/bus.c
deleted file mode 100644
index b3a66d6..0000000
--- a/drivers/gpu/drm/tegra/bus.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2013 NVIDIA Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include "drm.h"
-
-static int drm_host1x_set_busid(struct drm_device *dev,
- struct drm_master *master)
-{
- const char *device = dev_name(dev->dev);
- const char *bus = dev->dev->bus->name;
-
- master->unique_len = strlen(bus) + 1 + strlen(device);
- master->unique_size = master->unique_len;
-
- master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
- if (!master->unique)
- return -ENOMEM;
-
- snprintf(master->unique, master->unique_len + 1, "%s:%s", bus, device);
-
- return 0;
-}
-
-static struct drm_bus drm_host1x_bus = {
- .set_busid = drm_host1x_set_busid,
-};
-
-int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device)
-{
- struct drm_device *drm;
- int ret;
-
- driver->bus = &drm_host1x_bus;
-
- drm = drm_dev_alloc(driver, &device->dev);
- if (!drm)
- return -ENOMEM;
-
- ret = drm_dev_register(drm, 0);
- if (ret)
- goto err_free;
-
- DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name,
- driver->major, driver->minor, driver->patchlevel,
- driver->date, drm->primary->index);
-
- return 0;
-
-err_free:
- drm_dev_unref(drm);
- return ret;
-}
-
-void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device)
-{
- struct tegra_drm *tegra = dev_get_drvdata(&device->dev);
-
- drm_put_dev(tegra->drm);
-}
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 859e424..3232167 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1104,26 +1104,26 @@
static int tegra_dc_init(struct host1x_client *client)
{
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_dc *dc = host1x_client_to_dc(client);
int err;
- drm_crtc_init(tegra->drm, &dc->base, &tegra_crtc_funcs);
+ drm_crtc_init(drm, &dc->base, &tegra_crtc_funcs);
drm_mode_crtc_set_gamma_size(&dc->base, 256);
drm_crtc_helper_add(&dc->base, &tegra_crtc_helper_funcs);
- err = tegra_dc_rgb_init(tegra->drm, dc);
+ err = tegra_dc_rgb_init(drm, dc);
if (err < 0 && err != -ENODEV) {
dev_err(dc->dev, "failed to initialize RGB output: %d\n", err);
return err;
}
- err = tegra_dc_add_planes(tegra->drm, dc);
+ err = tegra_dc_add_planes(drm, dc);
if (err < 0)
return err;
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
- err = tegra_dc_debugfs_init(dc, tegra->drm->primary);
+ err = tegra_dc_debugfs_init(dc, drm->primary);
if (err < 0)
dev_err(dc->dev, "debugfs setup failed: %d\n", err);
}
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 09ee779..3396f9f 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -33,7 +33,6 @@
if (!tegra)
return -ENOMEM;
- dev_set_drvdata(drm->dev, tegra);
mutex_init(&tegra->clients_lock);
INIT_LIST_HEAD(&tegra->clients);
drm->dev_private = tegra;
@@ -640,14 +639,40 @@
return 0;
}
-static int host1x_drm_probe(struct host1x_device *device)
+static int host1x_drm_probe(struct host1x_device *dev)
{
- return drm_host1x_init(&tegra_drm_driver, device);
+ struct drm_driver *driver = &tegra_drm_driver;
+ struct drm_device *drm;
+ int err;
+
+ drm = drm_dev_alloc(driver, &dev->dev);
+ if (!drm)
+ return -ENOMEM;
+
+ drm_dev_set_unique(drm, dev_name(&dev->dev));
+ dev_set_drvdata(&dev->dev, drm);
+
+ err = drm_dev_register(drm, 0);
+ if (err < 0)
+ goto unref;
+
+ DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name,
+ driver->major, driver->minor, driver->patchlevel,
+ driver->date, drm->primary->index);
+
+ return 0;
+
+unref:
+ drm_dev_unref(drm);
+ return err;
}
-static int host1x_drm_remove(struct host1x_device *device)
+static int host1x_drm_remove(struct host1x_device *dev)
{
- drm_host1x_exit(&tegra_drm_driver, device);
+ struct drm_device *drm = dev_get_drvdata(&dev->dev);
+
+ drm_dev_unregister(drm);
+ drm_dev_unref(drm);
return 0;
}
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 784fd5c..6b8fe9d 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -249,10 +249,6 @@
return output ? -ENOSYS : -EINVAL;
}
-/* from bus.c */
-int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device);
-void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device);
-
/* from rgb.c */
int tegra_dc_rgb_probe(struct tegra_dc *dc);
int tegra_dc_rgb_remove(struct tegra_dc *dc);
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 3838575..bd56f2a 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -715,7 +715,7 @@
static int tegra_dsi_init(struct host1x_client *client)
{
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_dsi *dsi = host1x_client_to_dsi(client);
int err;
@@ -723,14 +723,14 @@
dsi->output.dev = client->dev;
dsi->output.ops = &dsi_ops;
- err = tegra_output_init(tegra->drm, &dsi->output);
+ err = tegra_output_init(drm, &dsi->output);
if (err < 0) {
dev_err(client->dev, "output setup failed: %d\n", err);
return err;
}
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
- err = tegra_dsi_debugfs_init(dsi, tegra->drm->primary);
+ err = tegra_dsi_debugfs_init(dsi, drm->primary);
if (err < 0)
dev_err(dsi->dev, "debugfs setup failed: %d\n", err);
}
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
index 2c7ca74..7c53941 100644
--- a/drivers/gpu/drm/tegra/gr2d.c
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -28,7 +28,7 @@
static int gr2d_init(struct host1x_client *client)
{
struct tegra_drm_client *drm = host1x_to_drm_client(client);
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *dev = dev_get_drvdata(client->parent);
unsigned long flags = HOST1X_SYNCPT_HAS_BASE;
struct gr2d *gr2d = to_gr2d(drm);
@@ -42,17 +42,17 @@
return -ENOMEM;
}
- return tegra_drm_register_client(tegra, drm);
+ return tegra_drm_register_client(dev->dev_private, drm);
}
static int gr2d_exit(struct host1x_client *client)
{
struct tegra_drm_client *drm = host1x_to_drm_client(client);
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *dev = dev_get_drvdata(client->parent);
struct gr2d *gr2d = to_gr2d(drm);
int err;
- err = tegra_drm_unregister_client(tegra, drm);
+ err = tegra_drm_unregister_client(dev->dev_private, drm);
if (err < 0)
return err;
diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c
index 0cbb24b..30f5ba9 100644
--- a/drivers/gpu/drm/tegra/gr3d.c
+++ b/drivers/gpu/drm/tegra/gr3d.c
@@ -37,7 +37,7 @@
static int gr3d_init(struct host1x_client *client)
{
struct tegra_drm_client *drm = host1x_to_drm_client(client);
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *dev = dev_get_drvdata(client->parent);
unsigned long flags = HOST1X_SYNCPT_HAS_BASE;
struct gr3d *gr3d = to_gr3d(drm);
@@ -51,17 +51,17 @@
return -ENOMEM;
}
- return tegra_drm_register_client(tegra, drm);
+ return tegra_drm_register_client(dev->dev_private, drm);
}
static int gr3d_exit(struct host1x_client *client)
{
struct tegra_drm_client *drm = host1x_to_drm_client(client);
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *dev = dev_get_drvdata(client->parent);
struct gr3d *gr3d = to_gr3d(drm);
int err;
- err = tegra_drm_unregister_client(tegra, drm);
+ err = tegra_drm_unregister_client(dev->dev_private, drm);
if (err < 0)
return err;
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index fec1a63..ba067bb 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1347,7 +1347,7 @@
static int tegra_hdmi_init(struct host1x_client *client)
{
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client);
int err;
@@ -1355,14 +1355,14 @@
hdmi->output.dev = client->dev;
hdmi->output.ops = &hdmi_ops;
- err = tegra_output_init(tegra->drm, &hdmi->output);
+ err = tegra_output_init(drm, &hdmi->output);
if (err < 0) {
dev_err(client->dev, "output setup failed: %d\n", err);
return err;
}
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
- err = tegra_hdmi_debugfs_init(hdmi, tegra->drm->primary);
+ err = tegra_hdmi_debugfs_init(hdmi, drm->primary);
if (err < 0)
dev_err(client->dev, "debugfs setup failed: %d\n", err);
}
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 7d66f6e..5c67d97 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -1044,7 +1044,7 @@
static int tegra_sor_init(struct host1x_client *client)
{
- struct tegra_drm *tegra = dev_get_drvdata(client->parent);
+ struct drm_device *drm = dev_get_drvdata(client->parent);
struct tegra_sor *sor = host1x_client_to_sor(client);
int err;
@@ -1056,14 +1056,14 @@
sor->output.dev = sor->dev;
sor->output.ops = &sor_ops;
- err = tegra_output_init(tegra->drm, &sor->output);
+ err = tegra_output_init(drm, &sor->output);
if (err < 0) {
dev_err(sor->dev, "output setup failed: %d\n", err);
return err;
}
if (IS_ENABLED(CONFIG_DEBUG_FS)) {
- struct dentry *root = tegra->drm->primary->debugfs_root;
+ struct dentry *root = drm->primary->debugfs_root;
err = tegra_sor_debugfs_init(sor, root);
if (err < 0)