diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 58f342659cc7..579c8920e081 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -595,6 +595,20 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) return false; } +bool radeon_combios_sideport_present(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + u16 igp_info; + + igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE); + + if (igp_info) { + if (RBIOS16(igp_info + 0x4)) + return true; + } + return false; +} + static const uint32_t default_primarydac_adj[CHIP_LAST] = { 0x00000808, /* r100 */ 0x00000808, /* rv100 */ @@ -673,6 +687,9 @@ radeon_combios_get_tv_info(struct radeon_device *rdev) uint16_t tv_info; enum radeon_tv_std tv_std = TV_STD_NTSC; + if (rdev->bios == NULL) + return tv_std; + tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE); if (tv_info) { if (RBIOS8(tv_info + 6) == 'T') { |