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Subject[PATCH 2/7] fbdev: atafb - Fix 16 bpp console
Date
  - 16 bpp must use the cfb_*() ops
- 16 bpp needs to set up info->pseudo_palette[] (was fbcon_cfb16_cmap[] in
2.4.x)
- Kill commented out 2.4.x fbcon remnants

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/video/atafb.c | 74 ++++++++++++++++++++-----------------------------
1 files changed, 30 insertions(+), 44 deletions(-)
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c
index b7646ad..f932c13 100644
--- a/drivers/video/atafb.c
+++ b/drivers/video/atafb.c
@@ -149,6 +149,7 @@ static struct atafb_par {
short mono;
short ste_mode;
short bpp;
+ u32 pseudo_palette[16];
} falcon;
#endif
/* Nothing needed for external mode */
@@ -885,10 +886,6 @@ static int vdl_prescale[4][3] = {
/* Default hsync timing [mon_type] in picoseconds */
static long h_syncs[4] = { 3000000, 4875000, 4000000, 4875000 };

-#ifdef FBCON_HAS_CFB16
-static u16 fbcon_cfb16_cmap[16];
-#endif
-
static inline int hxx_prescale(struct falcon_hw *hw)
{
return hw->ste_mode ? 16
@@ -1736,10 +1733,10 @@ static int falcon_setcolreg(unsigned int regno, unsigned int red,
(((red & 0xe000) >> 13) | ((red & 0x1000) >> 12) << 8) |
(((green & 0xe000) >> 13) | ((green & 0x1000) >> 12) << 4) |
((blue & 0xe000) >> 13) | ((blue & 0x1000) >> 12);
-#ifdef FBCON_HAS_CFB16
- fbcon_cfb16_cmap[regno] = ((red & 0xf800) |
- ((green & 0xfc00) >> 5) |
- ((blue & 0xf800) >> 11));
+#ifdef ATAFB_FALCON
+ ((u32 *)info->pseudo_palette)[regno] = ((red & 0xf800) |
+ ((green & 0xfc00) >> 5) |
+ ((blue & 0xf800) >> 11));
#endif
}
return 0;
@@ -2447,42 +2444,6 @@ static void atafb_set_disp(struct fb_info *info)
atafb_get_fix(&info->fix, info);

info->screen_base = (void *)info->fix.smem_start;
-
- switch (info->fix.type) {
- case FB_TYPE_INTERLEAVED_PLANES:
- switch (info->var.bits_per_pixel) {
- case 2:
- // display->dispsw = &fbcon_iplan2p2;
- break;
- case 4:
- // display->dispsw = &fbcon_iplan2p4;
- break;
- case 8:
- // display->dispsw = &fbcon_iplan2p8;
- break;
- }
- break;
- case FB_TYPE_PACKED_PIXELS:
- switch (info->var.bits_per_pixel) {
-#ifdef FBCON_HAS_MFB
- case 1:
- // display->dispsw = &fbcon_mfb;
- break;
-#endif
-#ifdef FBCON_HAS_CFB8
- case 8:
- // display->dispsw = &fbcon_cfb8;
- break;
-#endif
-#ifdef FBCON_HAS_CFB16
- case 16:
- // display->dispsw = &fbcon_cfb16;
- // display->dispsw_data = fbcon_cfb16_cmap;
- break;
-#endif
- }
- break;
- }
}

static int atafb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
@@ -2553,6 +2514,13 @@ static void atafb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
if (!rect->width || !rect->height)
return;

+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_fillrect(info, rect);
+ return;
+ }
+#endif
+
/*
* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly.
@@ -2587,6 +2555,13 @@ static void atafb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
u32 dx, dy, sx, sy, width, height;
int rev_copy = 0;

+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_copyarea(info, area);
+ return;
+ }
+#endif
+
/* clip the destination */
x2 = area->dx + area->width;
y2 = area->dy + area->height;
@@ -2636,6 +2611,13 @@ static void atafb_imageblit(struct fb_info *info, const struct fb_image *image)
const char *src;
u32 dx, dy, width, height, pitch;

+#ifdef ATAFB_FALCON
+ if (info->var.bits_per_pixel == 16) {
+ cfb_imageblit(info, image);
+ return;
+ }
+#endif
+
/*
* We could use hardware clipping but on many cards you get around
* hardware clipping by writing to framebuffer directly like we are
@@ -3229,6 +3211,10 @@ int __init atafb_init(void)
// tries to read from HW which may not be initialized yet
// so set sane var first, then call atafb_set_par
atafb_get_var(&fb_info.var, &fb_info);
+
+#ifdef ATAFB_FALCON
+ fb_info.pseudo_palette = current_par.hw.falcon.pseudo_palette;
+#endif
fb_info.flags = FBINFO_FLAG_DEFAULT;

if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, atafb_modedb,
--
1.5.6.5


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