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authorThomas Zimmermann <tzimmermann@suse.de>2020-06-05 15:57:59 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2020-06-11 10:06:00 +0200
commitba5b90e883a4db12f2b6f277fa2c06ac82c2ff03 (patch)
treee82a9a0b809635416fb043e10f1d8f2d23372fea /drivers/gpu
parentfdcb6b1906dc30c621d7157b6dd84bb95782ea99 (diff)
drm/mgag200: Move device init and cleanup to mgag200_drv.c
Moving the initializer and cleanup functions for device instances to mgag200_drv.c prepares for the conversion to managed code. No functional changes are made. Remove mgag200_main.c, which is now empty. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200605135803.19811-11-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/mgag200/Makefile3
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.c68
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.h4
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_main.c77
4 files changed, 69 insertions, 83 deletions
diff --git a/drivers/gpu/drm/mgag200/Makefile b/drivers/gpu/drm/mgag200/Makefile
index e6a933874a88..42fedef53882 100644
--- a/drivers/gpu/drm/mgag200/Makefile
+++ b/drivers/gpu/drm/mgag200/Makefile
@@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-mgag200-y := mgag200_drv.o mgag200_i2c.o mgag200_main.o mgag200_mm.o \
- mgag200_mode.o
+mgag200-y := mgag200_drv.o mgag200_i2c.o mgag200_mm.o mgag200_mode.o
obj-$(CONFIG_DRM_MGAG200) += mgag200.o
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index ad74e02d8f25..f8bb24199643 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -40,6 +40,74 @@ static struct drm_driver mgag200_driver = {
};
/*
+ * DRM device
+ */
+
+static int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
+{
+ struct mga_device *mdev;
+ int ret, option;
+
+ mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
+ if (mdev == NULL)
+ return -ENOMEM;
+ dev->dev_private = (void *)mdev;
+ mdev->dev = dev;
+
+ mdev->flags = mgag200_flags_from_driver_data(flags);
+ mdev->type = mgag200_type_from_driver_data(flags);
+
+ pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option);
+ mdev->has_sdram = !(option & (1 << 14));
+
+ /* BAR 0 is the framebuffer, BAR 1 contains registers */
+ mdev->rmmio_base = pci_resource_start(dev->pdev, 1);
+ mdev->rmmio_size = pci_resource_len(dev->pdev, 1);
+
+ if (!devm_request_mem_region(dev->dev, mdev->rmmio_base,
+ mdev->rmmio_size, "mgadrmfb_mmio")) {
+ drm_err(dev, "can't reserve mmio registers\n");
+ return -ENOMEM;
+ }
+
+ mdev->rmmio = pcim_iomap(dev->pdev, 1, 0);
+ if (mdev->rmmio == NULL)
+ return -ENOMEM;
+
+ /* stash G200 SE model number for later use */
+ if (IS_G200_SE(mdev)) {
+ mdev->unique_rev_id = RREG32(0x1e24);
+ drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
+ mdev->unique_rev_id);
+ }
+
+ ret = mgag200_mm_init(mdev);
+ if (ret)
+ goto err_mm;
+
+ ret = mgag200_modeset_init(mdev);
+ if (ret) {
+ drm_err(dev, "Fatal error during modeset init: %d\n", ret);
+ goto err_mm;
+ }
+
+ return 0;
+
+err_mm:
+ dev->dev_private = NULL;
+ return ret;
+}
+
+static void mgag200_driver_unload(struct drm_device *dev)
+{
+ struct mga_device *mdev = to_mga_device(dev);
+
+ if (mdev == NULL)
+ return;
+ dev->dev_private = NULL;
+}
+
+/*
* PCI driver
*/
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 7b6e6827a9a2..b38e5ce4ee20 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -188,10 +188,6 @@ mgag200_flags_from_driver_data(kernel_ulong_t driver_data)
/* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev);
- /* mgag200_main.c */
-int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
-void mgag200_driver_unload(struct drm_device *dev);
-
/* mgag200_i2c.c */
struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev);
void mgag200_i2c_destroy(struct mga_i2c_chan *i2c);
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
deleted file mode 100644
index 49bcdfcb40a4..000000000000
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ /dev/null
@@ -1,77 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright 2010 Matt Turner.
- * Copyright 2012 Red Hat
- *
- * Authors: Matthew Garrett
- * Matt Turner
- * Dave Airlie
- */
-
-#include <linux/pci.h>
-
-#include "mgag200_drv.h"
-
-int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
-{
- struct mga_device *mdev;
- int ret, option;
-
- mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
- if (mdev == NULL)
- return -ENOMEM;
- dev->dev_private = (void *)mdev;
- mdev->dev = dev;
-
- mdev->flags = mgag200_flags_from_driver_data(flags);
- mdev->type = mgag200_type_from_driver_data(flags);
-
- pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option);
- mdev->has_sdram = !(option & (1 << 14));
-
- /* BAR 0 is the framebuffer, BAR 1 contains registers */
- mdev->rmmio_base = pci_resource_start(dev->pdev, 1);
- mdev->rmmio_size = pci_resource_len(dev->pdev, 1);
-
- if (!devm_request_mem_region(dev->dev, mdev->rmmio_base,
- mdev->rmmio_size, "mgadrmfb_mmio")) {
- drm_err(dev, "can't reserve mmio registers\n");
- return -ENOMEM;
- }
-
- mdev->rmmio = pcim_iomap(dev->pdev, 1, 0);
- if (mdev->rmmio == NULL)
- return -ENOMEM;
-
- /* stash G200 SE model number for later use */
- if (IS_G200_SE(mdev)) {
- mdev->unique_rev_id = RREG32(0x1e24);
- drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
- mdev->unique_rev_id);
- }
-
- ret = mgag200_mm_init(mdev);
- if (ret)
- goto err_mm;
-
- ret = mgag200_modeset_init(mdev);
- if (ret) {
- drm_err(dev, "Fatal error during modeset init: %d\n", ret);
- goto err_mm;
- }
-
- return 0;
-
-err_mm:
- dev->dev_private = NULL;
- return ret;
-}
-
-void mgag200_driver_unload(struct drm_device *dev)
-{
- struct mga_device *mdev = to_mga_device(dev);
-
- if (mdev == NULL)
- return;
- dev->dev_private = NULL;
-}