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drm/mga: remove device_is_agp callback

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It's only for a device quirk, and we might as well do that in the load
callback.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-10-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2017-01-25 07:26:51 +01:00
parent 49d66d8de2
commit 858b2c1bf8
2 changed files with 19 additions and 38 deletions
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20
drivers/gpu/drm/mga/mga_dma.c
View File

@ -392,6 +392,24 @@ int mga_driver_load(struct drm_device *dev, unsigned long flags)
drm_mga_private_t *dev_priv;
int ret;
/* There are PCI versions of the G450. These cards have the
* same PCI ID as the AGP G450, but have an additional PCI-to-PCI
* bridge chip. We detect these cards, which are not currently
* supported by this driver, by looking at the device ID of the
* bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
* device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
* device.
*/
if ((dev->pdev->device == 0x0525) && dev->pdev->bus->self
&& (dev->pdev->bus->self->vendor == 0x3388)
&& (dev->pdev->bus->self->device == 0x0021)
&& dev->agp) {
/* FIXME: This should be quirked in the pci core, but oh well
* the hw probably stopped existing. */
arch_phys_wc_del(dev->agp->agp_mtrr);
kfree(dev->agp);
dev->agp = NULL;
}
dev_priv = kzalloc(sizeof(drm_mga_private_t), GFP_KERNEL);
if (!dev_priv)
return -ENOMEM;
@ -698,7 +716,7 @@ static int mga_do_pci_dma_bootstrap(struct drm_device *dev,
static int mga_do_dma_bootstrap(struct drm_device *dev,
drm_mga_dma_bootstrap_t *dma_bs)
{
const int is_agp = (dma_bs->agp_mode != 0) && drm_pci_device_is_agp(dev);
const int is_agp = (dma_bs->agp_mode != 0) && dev->agp;
int err;
drm_mga_private_t *const dev_priv =
(drm_mga_private_t *) dev->dev_private;

37
drivers/gpu/drm/mga/mga_drv.c
View File

@ -37,8 +37,6 @@
#include <drm/drm_pciids.h>
static int mga_driver_device_is_agp(struct drm_device *dev);
static struct pci_device_id pciidlist[] = {
mga_PCI_IDS
};
@ -66,7 +64,6 @@ static struct drm_driver driver = {
.lastclose = mga_driver_lastclose,
.set_busid = drm_pci_set_busid,
.dma_quiescent = mga_driver_dma_quiescent,
.device_is_agp = mga_driver_device_is_agp,
.get_vblank_counter = mga_get_vblank_counter,
.enable_vblank = mga_enable_vblank,
.disable_vblank = mga_disable_vblank,
@ -107,37 +104,3 @@ module_exit(mga_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
/**
* Determine if the device really is AGP or not.
*
* In addition to the usual tests performed by \c drm_device_is_agp, this
* function detects PCI G450 cards that appear to the system exactly like
* AGP G450 cards.
*
* \param dev The device to be tested.
*
* \returns
* If the device is a PCI G450, zero is returned. Otherwise 2 is returned.
*/
static int mga_driver_device_is_agp(struct drm_device *dev)
{
const struct pci_dev *const pdev = dev->pdev;
/* There are PCI versions of the G450. These cards have the
* same PCI ID as the AGP G450, but have an additional PCI-to-PCI
* bridge chip. We detect these cards, which are not currently
* supported by this driver, by looking at the device ID of the
* bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
* device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
* device.
*/
if ((pdev->device == 0x0525) && pdev->bus->self
&& (pdev->bus->self->vendor == 0x3388)
&& (pdev->bus->self->device == 0x0021)) {
return 0;
}
return 2;
}