diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-02-11 15:38:23 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-02-11 19:04:07 +1000 |
| commit | e34398952e056bbd99f9099fae77be26e5c6aa78 (patch) | |
| tree | 387f9a56a630caee7754d3484ded8454edc5ec1f /drivers/gpu/drm/radeon/radeon_bios.c | |
| parent | 03047cdf724d8de9fbfd38b53d768c190225290f (diff) | |
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: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_bios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_bios.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 906921740c6..26856ed8d97 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -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; |