diff options
| -rw-r--r-- | drivers/gpu/drm/via/crtc_hw.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/via/crtc_hw.h b/drivers/gpu/drm/via/crtc_hw.h index da666e387402..23f0e0999c48 100644 --- a/drivers/gpu/drm/via/crtc_hw.h +++ b/drivers/gpu/drm/via/crtc_hw.h @@ -146,6 +146,20 @@ via_dvp1_set_io_pad_state(void __iomem *regs, u8 io_pad_state) } /* + * Sets the display source of DVP1 (Digital Video Port 1) interface. + */ +static inline void +via_dvp1_set_display_source(void __iomem *regs, u8 display_source) +{ + /* 3X5.9B[4] - DVP1 Data Source Selection + * 0: Primary Display + * 1: Secondary Display */ + svga_wcrt_mask(regs, 0x9B, display_source << 4, BIT(4)); + DRM_DEBUG_KMS("DVP1 Display Source: IGA%d\n", + (display_source & 0x01) + 1); +} + +/* * Sets analog (VGA) DAC output state. */ static inline void |