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drm/pci: add support for getting the supported link bw.

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This should work for PCIE3.0 as well.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2012-06-27 08:35:53 +01:00
parent cdcac9cd77
commit f42977841f
2 changed files with 54 additions and 0 deletions
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5
include/drm/drmP.h
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@@ -1761,6 +1761,11 @@ extern int drm_get_pci_dev(struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver);
#define DRM_PCIE_SPEED_25 1
#define DRM_PCIE_SPEED_50 2
#define DRM_PCIE_SPEED_80 4
extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
/* platform section */
extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);