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Commit 32195aec authored by Jiang Liu's avatar Jiang Liu Committed by Bjorn Helgaas
Browse files

drm/radeon: Use PCI Express Capability accessors 



Use PCI Express Capability access functions to simplify radeon driver.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5548bfd0

drivers/gpu/drm/radeon/evergreen.c

+3 −7
Original line number Diff line number Diff line
@@ -77,13 +77,9 @@ void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw, 
void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)

{

	u16 ctl, v;

	int cap, err;

	int err;



	cap = pci_pcie_cap(rdev->pdev);

	if (!cap)

		return;



	err = pci_read_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, &ctl);

	err = pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl);

	if (err)

		return;
@@ -95,7 +91,7 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) 
	if ((v == 0) || (v == 6) || (v == 7)) {

		ctl &= ~PCI_EXP_DEVCTL_READRQ;

		ctl |= (2 << 12);

		pci_write_config_word(rdev->pdev, cap + PCI_EXP_DEVCTL, ctl);

		pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl);

	}

}