diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/geode/video_gx.c | 13 | ||||
| -rw-r--r-- | drivers/video/geode/video_gx.h | 2 |
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/video/geode/video_gx.c b/drivers/video/geode/video_gx.c index bee0741794a3..7f3f18d06718 100644 --- a/drivers/video/geode/video_gx.c +++ b/drivers/video/geode/video_gx.c @@ -220,7 +220,13 @@ gx_configure_tft(struct fb_info *info) /* Set the dither control */ writel(0x70, par->vid_regs + GX_FP_DFC); - /* Turn on the device */ + /* Enable the FP data and power (in case the BIOS didn't) */ + + fp = readl(par->vid_regs + GX_DCFG); + fp |= GX_DCFG_FP_PWR_EN | GX_DCFG_FP_DATA_EN; + writel(fp, par->vid_regs + GX_DCFG); + + /* Unblank the panel */ fp = readl(par->vid_regs + GX_FP_PM); fp |= GX_FP_PM_P; @@ -245,9 +251,12 @@ static void gx_configure_display(struct fb_info *info) writel(misc, par->vid_regs + GX_MISC); /* Write the display configuration */ - dcfg = readl(par->vid_regs + GX_DCFG); + /* Disable hsync and vsync */ + dcfg &= ~(GX_DCFG_VSYNC_EN | GX_DCFG_HSYNC_EN); + writel(dcfg, par->vid_regs + GX_DCFG); + /* Clear bits from existing mode. */ dcfg &= ~(GX_DCFG_CRT_SYNC_SKW_MASK | GX_DCFG_CRT_HSYNC_POL | GX_DCFG_CRT_VSYNC_POL diff --git a/drivers/video/geode/video_gx.h b/drivers/video/geode/video_gx.h index 119d0abddb2d..ce28d8f382dc 100644 --- a/drivers/video/geode/video_gx.h +++ b/drivers/video/geode/video_gx.h @@ -25,6 +25,8 @@ extern struct geode_vid_ops gx_vid_ops; # define GX_DCFG_HSYNC_EN 0x00000002 # define GX_DCFG_VSYNC_EN 0x00000004 # define GX_DCFG_DAC_BL_EN 0x00000008 +# define GX_DCFG_FP_PWR_EN 0x00000040 +# define GX_DCFG_FP_DATA_EN 0x00000080 # define GX_DCFG_CRT_HSYNC_POL 0x00000100 # define GX_DCFG_CRT_VSYNC_POL 0x00000200 # define GX_DCFG_CRT_SYNC_SKW_MASK 0x0001C000 |