Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 858b2c1b authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/mga: remove device_is_agp callback



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

Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-10-daniel.vetter@ffwll.ch
parent 49d66d8d
Loading
Loading
Loading
Loading
+19 −1
Original line number Diff line number Diff line
@@ -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;
+0 −37
Original line number Diff line number Diff line
@@ -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;
}