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full gcnfb fix #3

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Merged
merged 1 commit into from
Oct 11, 2023
Merged

full gcnfb fix #3

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27 changes: 13 additions & 14 deletions drivers/video/fbdev/gcnfb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -599,9 +599,9 @@ static inline uint32_t rgbrgb16toycbycr(uint16_t rgb1, uint16_t rgb2)
return 0x00800080; /* black, black */

/* RGB565 */
r1 = ((rgb1 >> 11) & 0x1f);
r1 = ((rgb1 >> 0) & 0x1f);
g1 = ((rgb1 >> 5) & 0x3f);
b1 = ((rgb1 >> 0) & 0x1f);
b1 = ((rgb1 >> 11) & 0x1f);

/* fast (approximated) scaling to 8 bits, thanks to Masken */
r1 = (r1 << 3) | (r1 >> 2);
Expand All @@ -618,9 +618,9 @@ static inline uint32_t rgbrgb16toycbycr(uint16_t rgb1, uint16_t rgb2)
b = b1;
} else {
/* same as we did for r1 before */
r2 = ((rgb2 >> 11) & 0x1f);
r2 = ((rgb2 >> 0) & 0x1f);
g2 = ((rgb2 >> 5) & 0x3f);
b2 = ((rgb2 >> 0) & 0x1f);
b2 = ((rgb2 >> 11) & 0x1f);
r2 = (r2 << 3) | (r2 >> 2);
g2 = (g2 << 2) | (g2 >> 4);
b2 = (b2 << 3) | (b2 >> 2);
Expand Down Expand Up @@ -2006,17 +2006,16 @@ static int vifb_do_probe(struct device *dev,
vi_reset_video(ctl);
vi_detect_tv_mode(ctl);

if (!nostalgic) {
/* by default, start with overscan compensation */
info->var.xres = 576;
if (ctl->mode->height == 574)
info->var.yres = 516;
else
info->var.yres = 432;
} else {
info->var.xres = ctl->mode->width;
info->var.yres = ctl->mode->height;
info->var.xres = ctl->mode->width;
info->var.yres = ctl->mode->height;

if (info->var.yres > 448) {
info->var.yres = 448;
}
if (info->var.height > 448) {
info->var.height = 448;
}
// info->var.width;

ctl->visible_page = 0;
ctl->flip_pending = 0;
Expand Down