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| author | Kevin Brace <kevinbrace@gmx.com> | 2017-04-07 18:55:27 -0700 |
|---|---|---|
| committer | Kevin Brace <kevinbrace@gmx.com> | 2017-04-07 18:55:27 -0700 |
| commit | cc4d84aaa7514e7a35cb6c0e870c8564292b7679 (patch) | |
| tree | 841eb16c6e73c1377591b11746419ee14750627f | |
| parent | d7c7f7b0afa03a1b0854dd1f2a1898877c3df0e2 (diff) | |
Added viaAnalogSetDisplaySource
This inline function was added to crtc_hw.h.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
| -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 38bce10b1036..07a7cd9dac30 100644 --- a/drivers/gpu/drm/via/crtc_hw.h +++ b/drivers/gpu/drm/via/crtc_hw.h @@ -122,6 +122,21 @@ viaAnalogSetSyncPolarity(void __iomem *regs, u8 syncPolarity) } /* + * Sets analog (VGA) display source. + */ +static inline void +viaAnalogSetDisplaySource(void __iomem *regs, u8 displaySource) +{ + /* Set analog (VGA) display source. */ + /* 3C5.16[6] - CRT Display Source + * 0: Primary Display Stream (IGA1) + * 1: Secondary Display Stream (IGA2) */ + svga_wseq_mask(regs, 0x16, displaySource << 6, BIT(6)); + DRM_DEBUG_KMS("Analog (VGA) Display Source: IGA%d\n", + (displaySource & 0x01) + 1); +} + +/* * Sets CX700 or later single chipset's LVDS1 power sequence type. */ static inline void |