The patch titled
gxfb: Turn on the flatpanel power and data
has been added to the -mm tree. Its filename is
gxfb-turn-on-the-flatpanel-power-and-data.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: gxfb: Turn on the flatpanel power and data
From: Jordan Crouse <jordan.crouse@xxxxxxx>
For Geode devices without a flatpanel aware BIOS, this enables the flatpanel
power and data.
Signed-off-by: Jordan Crouse <jordan.crouse@xxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Cc: James Simmons <jsimmons@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/video/geode/video_gx.c | 13 +++++++++++--
drivers/video/geode/video_gx.h | 2 ++
2 files changed, 13 insertions(+), 2 deletions(-)
diff -puN drivers/video/geode/video_gx.c~gxfb-turn-on-the-flatpanel-power-and-data drivers/video/geode/video_gx.c
--- a/drivers/video/geode/video_gx.c~gxfb-turn-on-the-flatpanel-power-and-data
+++ a/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
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 -puN drivers/video/geode/video_gx.h~gxfb-turn-on-the-flatpanel-power-and-data drivers/video/geode/video_gx.h
--- a/drivers/video/geode/video_gx.h~gxfb-turn-on-the-flatpanel-power-and-data
+++ a/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
_
Patches currently in -mm which might be from jordan.crouse@xxxxxxx are
acpi-clear-gpe-before-disabling-it.patch
git-cryptodev.patch
video-get-the-default-mode-from-the-right-database.patch
fb-get-the-geode-gx-frambuffer-size-from-the-bios.patch
gxfb-fixups-for-the-amd-geode-gx.patch
gxfb-fixups-for-the-amd-geode-gx-tidy.patch
gxfb-support-flat-panel-timings.patch
gxfb-support-flat-panel-timings-tidy.patch
gxfb-support-command-line-options.patch
gxfb-support-command-line-options-tidy.patch
gxfb-fixup-flatpanel-detection.patch
gxfb-turn-on-the-flatpanel-power-and-data.patch
-
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