diff options
| author | Kevin Brace <kevinbrace@gmx.com> | 2017-07-06 23:45:26 -0500 |
|---|---|---|
| committer | Kevin Brace <kevinbrace@gmx.com> | 2017-07-06 23:45:26 -0500 |
| commit | ea9544d56d005c4d7ff2a073403b9612c3460480 (patch) | |
| tree | 890899d8b558cadbdbf656513839ac1c226d38de | |
| parent | 508159caae82f03d5fa25622ea88a8be8eda1530 (diff) | |
Added via_fp_set_secondary_direct_display_period
This is an inline function.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
| -rw-r--r-- | drivers/gpu/drm/via/crtc_hw.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/via/crtc_hw.h b/drivers/gpu/drm/via/crtc_hw.h index 4becfc8350a8..5f578e458110 100644 --- a/drivers/gpu/drm/via/crtc_hw.h +++ b/drivers/gpu/drm/via/crtc_hw.h @@ -539,6 +539,23 @@ via_fp_set_secondary_direct_back_light_ctrl(void __iomem *regs, } /* + * Sets CX700 / VX700 or later chipset's FP secondary direct + * display period control. + */ +static inline void +via_fp_set_secondary_direct_display_period(void __iomem *regs, + bool direct_on) +{ + /* 3X5.D3[7] - FP Secondary Direct Display Period Control + * 0: On + * 1: Off */ + svga_wcrt_mask(regs, 0xD3, + direct_on ? 0x00 : BIT(7), BIT(7)); + DRM_DEBUG_KMS("FP Secondary Direct Display Period " + "Control: %s\n", direct_on ? "On" : "Off"); +} + +/* * Sets FPDP (Flat Panel Display Port) Low I/O pad state. */ static inline void |