From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 19 Dec 2012 02:24:37 +0000 (-0500)
Subject: drm/radeon: adapt to PCI BAR changes on CIK
X-Git-Tag: firefly_0821_release~176^2~5752^2~60^2~161
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=efad86db4ed09cb144bedf9fc69ae6233713f544;p=firefly-linux-kernel-4.4.55.git

drm/radeon: adapt to PCI BAR changes on CIK

register BAR is now at PCI BAR 5.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c24056b4af7b..4e97ff79b7f0 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1148,8 +1148,13 @@ int radeon_device_init(struct radeon_device *rdev,
 	/* Registers mapping */
 	/* TODO: block userspace mapping of io register */
 	spin_lock_init(&rdev->mmio_idx_lock);
-	rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
-	rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
+	if (rdev->family >= CHIP_BONAIRE) {
+		rdev->rmmio_base = pci_resource_start(rdev->pdev, 5);
+		rdev->rmmio_size = pci_resource_len(rdev->pdev, 5);
+	} else {
+		rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
+		rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
+	}
 	rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size);
 	if (rdev->rmmio == NULL) {
 		return -ENOMEM;