diff options
| -rw-r--r-- | drivers/gpu/drm/via/crtc_hw.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/via/crtc_hw.h b/drivers/gpu/drm/via/crtc_hw.h index 20e341f55f4f..54860250f597 100644 --- a/drivers/gpu/drm/via/crtc_hw.h +++ b/drivers/gpu/drm/via/crtc_hw.h @@ -764,6 +764,21 @@ via_lvds1_set_display_source(void __iomem *regs, u8 display_source) } /* + * Sets CX700 / VX700 and VX800 chipset's LVDS2 power state. + */ +static inline void +via_lvds2_set_power(void __iomem *regs, bool power_state) +{ + /* 3X5.D2[6] - Power Down (Active High) for Channel 2 LVDS + * 0: Power on + * 1: Power off */ + svga_wcrt_mask(regs, 0xD2, + power_state ? 0x00 : BIT(6), BIT(6)); + DRM_DEBUG_KMS("LVDS2 Power State: %s\n", + power_state ? "On" : "Off"); +} + +/* * Sets LVDS2 I/O pad state. */ static inline void |