diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 7914455c96ca..e7b19440102e 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -687,6 +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') { @@ -968,8 +971,7 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder lvds->native_mode.vdisplay); lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c); - if (lvds->panel_vcc_delay > 2000 || lvds->panel_vcc_delay < 0) - lvds->panel_vcc_delay = 2000; + lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000); lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24); lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf; |