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path: root/drivers/video/sm501fb.c
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Diffstat (limited to 'drivers/video/sm501fb.c')
-rw-r--r--drivers/video/sm501fb.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index e83dfba7e63..742b5c656d6 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -237,12 +237,14 @@ static int sm501fb_check_var(struct fb_var_screeninfo *var,
/* check we can fit these values into the registers */
- if (var->hsync_len > 255 || var->vsync_len > 255)
+ if (var->hsync_len > 255 || var->vsync_len > 63)
return -EINVAL;
- if ((var->xres + var->right_margin) >= 4096)
+ /* hdisplay end and hsync start */
+ if ((var->xres + var->right_margin) > 4096)
return -EINVAL;
+ /* vdisplay end and vsync start */
if ((var->yres + var->lower_margin) > 2048)
return -EINVAL;
@@ -281,19 +283,21 @@ static int sm501fb_check_var(struct fb_var_screeninfo *var,
var->blue.length = var->bits_per_pixel;
var->blue.offset = 0;
var->transp.length = 0;
+ var->transp.offset = 0;
break;
case 16:
if (sm->pdata->flags & SM501_FBPD_SWAP_FB_ENDIAN) {
- var->red.offset = 11;
- var->green.offset = 5;
- var->blue.offset = 0;
- } else {
var->blue.offset = 11;
var->green.offset = 5;
var->red.offset = 0;
+ } else {
+ var->red.offset = 11;
+ var->green.offset = 5;
+ var->blue.offset = 0;
}
+ var->transp.offset = 0;
var->red.length = 5;
var->green.length = 6;
@@ -397,7 +401,7 @@ static int sm501fb_set_par_common(struct fb_info *info,
break;
case 16:
- info->fix.visual = FB_VISUAL_DIRECTCOLOR;
+ info->fix.visual = FB_VISUAL_TRUECOLOR;
break;
case 32:
@@ -613,6 +617,7 @@ static int sm501fb_set_par_crt(struct fb_info *info)
case 16:
control |= SM501_DC_CRT_CONTROL_16BPP;
+ sm501fb_setup_gamma(fbi, SM501_DC_CRT_PALETTE);
break;
case 32:
@@ -750,6 +755,7 @@ static int sm501fb_set_par_pnl(struct fb_info *info)
case 16:
control |= SM501_DC_PANEL_CONTROL_16BPP;
+ sm501fb_setup_gamma(fbi, SM501_DC_PANEL_PALETTE);
break;
case 32: