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-rw-r--r--drivers/video/geode/video_gx.c32
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/video/geode/video_gx.c b/drivers/video/geode/video_gx.c
index 06245a8400c7..cfe2c80b025d 100644
--- a/drivers/video/geode/video_gx.c
+++ b/drivers/video/geode/video_gx.c
@@ -239,18 +239,6 @@ static void gx_configure_display(struct fb_info *info)
239 struct geodefb_par *par = info->par; 239 struct geodefb_par *par = info->par;
240 u32 dcfg, misc; 240 u32 dcfg, misc;
241 241
242 /* Set up the MISC register */
243
244 misc = readl(par->vid_regs + GX_MISC);
245
246 /* Power up the DAC */
247 misc &= ~(GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
248
249 /* Disable gamma correction */
250 misc |= GX_MISC_GAM_EN;
251
252 writel(misc, par->vid_regs + GX_MISC);
253
254 /* Write the display configuration */ 242 /* Write the display configuration */
255 dcfg = readl(par->vid_regs + GX_DCFG); 243 dcfg = readl(par->vid_regs + GX_DCFG);
256 244
@@ -269,14 +257,28 @@ static void gx_configure_display(struct fb_info *info)
269 /* Enable hsync and vsync. */ 257 /* Enable hsync and vsync. */
270 dcfg |= GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN; 258 dcfg |= GX_DCFG_HSYNC_EN | GX_DCFG_VSYNC_EN;
271 259
272 /* Only change the sync polarities if we are running 260 misc = readl(par->vid_regs + GX_MISC);
273 * in CRT mode. The FP polarities will be handled in 261
274 * gxfb_configure_tft */ 262 /* Disable gamma correction */
263 misc |= GX_MISC_GAM_EN;
264
275 if (par->enable_crt) { 265 if (par->enable_crt) {
266
267 /* Power up the CRT DACs */
268 misc &= ~(GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
269 writel(misc, par->vid_regs + GX_MISC);
270
271 /* Only change the sync polarities if we are running
272 * in CRT mode. The FP polarities will be handled in
273 * gxfb_configure_tft */
276 if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT)) 274 if (!(info->var.sync & FB_SYNC_HOR_HIGH_ACT))
277 dcfg |= GX_DCFG_CRT_HSYNC_POL; 275 dcfg |= GX_DCFG_CRT_HSYNC_POL;
278 if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT)) 276 if (!(info->var.sync & FB_SYNC_VERT_HIGH_ACT))
279 dcfg |= GX_DCFG_CRT_VSYNC_POL; 277 dcfg |= GX_DCFG_CRT_VSYNC_POL;
278 } else {
279 /* Power down the CRT DACs if in FP mode */
280 misc |= (GX_MISC_A_PWRDN | GX_MISC_DAC_PWRDN);
281 writel(misc, par->vid_regs + GX_MISC);
280 } 282 }
281 283
282 /* Enable the display logic */ 284 /* Enable the display logic */