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drm/qxl: Use devm_drm_dev_alloc

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Also need to remove the drm_dev_put from the remove hook.

Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Cc: spice-devel@lists.freedesktop.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-27-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2020-04-15 09:40:01 +02:00
parent 87189b7895
commit a9b0b24a6f
3 changed files with 10 additions and 20 deletions
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15
drivers/gpu/drm/qxl/qxl_drv.c
View File

@ -81,13 +81,16 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return -EINVAL; /* TODO: ENODEV ? */
}
qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
if (!qdev)
qdev = devm_drm_dev_alloc(&pdev->dev, &qxl_driver,
struct qxl_device, ddev);
if (IS_ERR(qdev)) {
pr_err("Unable to init drm dev");
return -ENOMEM;
}
ret = pci_enable_device(pdev);
if (ret)
goto free_dev;
return ret;
ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "qxl");
if (ret)
@ -101,7 +104,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
ret = qxl_device_init(qdev, &qxl_driver, pdev);
ret = qxl_device_init(qdev, pdev);
if (ret)
goto put_vga;
@ -128,8 +131,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
vga_put(pdev, VGA_RSRC_LEGACY_IO);
disable_pci:
pci_disable_device(pdev);
free_dev:
kfree(qdev);
return ret;
}
@ -155,7 +157,6 @@ qxl_pci_remove(struct pci_dev *pdev)
drm_atomic_helper_shutdown(dev);
if (is_vga(pdev))
vga_put(pdev, VGA_RSRC_LEGACY_IO);
drm_dev_put(dev);
}
DEFINE_DRM_GEM_FOPS(qxl_fops);

3
drivers/gpu/drm/qxl/qxl_drv.h
View File

@ -276,8 +276,7 @@ struct qxl_device {
extern const struct drm_ioctl_desc qxl_ioctls[];
extern int qxl_max_ioctl;
int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
struct pci_dev *pdev);
int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev);
void qxl_device_fini(struct qxl_device *qdev);
int qxl_modeset_init(struct qxl_device *qdev);

12
drivers/gpu/drm/qxl/qxl_kms.c
View File

@ -108,21 +108,13 @@ static void qxl_gc_work(struct work_struct *work)
}
int qxl_device_init(struct qxl_device *qdev,
struct drm_driver *drv,
struct pci_dev *pdev)
{
int r, sb;
r = drm_dev_init(&qdev->ddev, drv, &pdev->dev);
if (r) {
pr_err("Unable to init drm dev");
goto error;
}
qdev->ddev.pdev = pdev;
pci_set_drvdata(pdev, &qdev->ddev);
qdev->ddev.dev_private = qdev;
drmm_add_final_kfree(&qdev->ddev, qdev);
mutex_init(&qdev->gem.mutex);
mutex_init(&qdev->update_area_mutex);
@ -138,8 +130,7 @@ int qxl_device_init(struct qxl_device *qdev,
qdev->vram_mapping = io_mapping_create_wc(qdev->vram_base, pci_resource_len(pdev, 0));
if (!qdev->vram_mapping) {
pr_err("Unable to create vram_mapping");
r = -ENOMEM;
goto error;
return -ENOMEM;
}
if (pci_resource_len(pdev, 4) > 0) {
@ -293,7 +284,6 @@ int qxl_device_init(struct qxl_device *qdev,
io_mapping_free(qdev->surface_mapping);
vram_mapping_free:
io_mapping_free(qdev->vram_mapping);
error:
return r;
}