From: Zsolt Kajtar <soci@c64.rulez.org>
Date: Mon, 10 Mar 2025 06:59:45 +0000 (+0100)
Subject: fbdev: wmt_ge_rops: Remove fb_draw.h includes
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1a78d9a34b8d15f55f7639253af40c27888112c3;p=users%2Fjedix%2Flinux-maple.git

fbdev: wmt_ge_rops: Remove fb_draw.h includes

Remove dependency on fb_draw.h to allow fbcon packed pixel drawing refactoring.

Signed-off-by: Zsolt Kajtar <soci@c64.rulez.org>
Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/drivers/video/fbdev/wmt_ge_rops.c b/drivers/video/fbdev/wmt_ge_rops.c
index 69106299ab47..92fbb3f3a0d3 100644
--- a/drivers/video/fbdev/wmt_ge_rops.c
+++ b/drivers/video/fbdev/wmt_ge_rops.c
@@ -12,7 +12,6 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 
-#include "core/fb_draw.h"
 #include "wmt_ge_rops.h"
 
 #define GE_COMMAND_OFF		0x00
@@ -41,6 +40,33 @@
 
 static void __iomem *regbase;
 
+/* from the spec it seems more like depth than bits per pixel */
+static inline unsigned long pixel_to_pat(u32 depth, u32 pixel, struct fb_info *p)
+{
+	switch (depth) {
+	case 1:
+		return ~0ul*pixel;
+	case 2:
+		return ~0ul/3*pixel;
+	case 4:
+		return ~0ul/15*pixel;
+	case 8:
+		return ~0ul/255*pixel;
+	case 12:
+	case 15:
+	case 16:
+		return ~0ul/0xffff*pixel;
+	case 18:
+	case 24:
+		return 0x1000001ul*pixel;
+	case 32:
+		return pixel;
+	default:
+		fb_warn_once(p, "%s: unsupported pixelformat %d\n", __func__, depth);
+		return 0;
+	}
+}
+
 void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
 {
 	unsigned long fg, pat;
@@ -54,7 +80,7 @@ void wmt_ge_fillrect(struct fb_info *p, const struct fb_fillrect *rect)
 	else
 		fg = rect->color;
 
-	pat = pixel_to_pat(p->var.bits_per_pixel, fg);
+	pat = pixel_to_pat(p->var.bits_per_pixel, fg, p);
 
 	if (p->fbops->fb_sync)
 		p->fbops->fb_sync(p);