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Commit e3439895 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/radeon/kms: check for valid PCI bios and not OF rom 



stops us trying to treat a OF rom as a PCI rom.

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 03047cdf

drivers/gpu/drm/radeon/radeon_bios.c

+6 −0
Original line number Diff line number Diff line
@@ -411,6 +411,12 @@ bool radeon_get_bios(struct radeon_device *rdev) 
		goto free_bios;

	}



	tmp = RBIOS16(0x18);

	if (RBIOS8(tmp + 0x14) != 0x0) {

		DRM_INFO("Not an x86 BIOS ROM, not using.\n");

		goto free_bios;

	}



	rdev->bios_header_start = RBIOS16(0x48);

	if (!rdev->bios_header_start) {

		goto free_bios;