Commit d8ade352 authored May 08, 2014 by Alex Deucher Committed by Christian König May 20, 2014

drm/radeon: handle non-VGA class pci devices with ATRM

Newer PX systems have non-VGA pci class dGPUs.  Update
the ATRM fetch method to handle those cases.

bug:
https://bugzilla.kernel.org/show_bug.cgi?id=75401



Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org

parent 89d2618d

drivers/gpu/drm/radeon/radeon_bios.c

+14 −0

Original line number	Diff line number	Diff line
		@@ -196,6 +196,20 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev)
		}
		}

		if (!found) {
		while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
		dhandle = ACPI_HANDLE(&pdev->dev);
		if (!dhandle)
		continue;

		status = acpi_get_handle(dhandle, "ATRM", &atrm_handle);
		if (!ACPI_FAILURE(status)) {
		found = true;
		break;
		}
		}
		}

		if (!found)
		return false;