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Date:      Mon, 23 Jun 2008 08:11:10 GMT
From:      paradox <ddkprog@yahoo.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/124902: patch to fix VESA modes and allow 8bit depth modes
Message-ID:  <200806230811.m5N8BAV2054722@www.freebsd.org>
Resent-Message-ID: <200806230820.m5N8K1sC031663@freefall.freebsd.org>

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>Number:         124902
>Category:       misc
>Synopsis:       patch to fix VESA modes and allow 8bit depth modes
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jun 23 08:20:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     paradox
>Release:        RELENG_7
>Organization:
>Environment:
FreeBSD 7.0-STABLE #3: Sun Jun 22 09:33:03 EEST 2008
    root@hack.org.ua:/usr/obj/work/cvsup/freebsd/7.0S/src/sys/KIR
>Description:
on FreeBSD console VESA modes not work

i'am recompile kernel with options
options VESA
options SC_PIXEL_MODE

#reboot
..
as example on my notebook
#vidcontrol -i mode
...
...
273 (0x111) 0x0000000f G 640x480x16 1    8x16  0xa0000 64k 64k 0xe8000000 15168k
274 (0x112) 0x0000000f G 640x480x32 1    8x16  0xa0000 64k 64k 0xe8000000 15168k
276 (0x114) 0x0000000f G 800x600x16 1    8x8   0xa0000 64k 64k 0xe8000000 15168k
277 (0x115) 0x0000000f G 800x600x32 1    8x8   0xa0000 64k 64k 0xe8000000 15168k
279 (0x117) 0x0000000f G 1024x768x16 1   8x16  0xa0000 64k 64k 0xe8000000 15168k
280 (0x118) 0x0000000f G 1024x768x32 1   8x16  0xa0000 64k 64k 0xe8000000 15168k
282 (0x11a) 0x0000000f G 1280x1024x16 1  8x16  0xa0000 64k 64k 0xe8000000 15168k
...
any of this mode not work!
fail or broken screen

>How-To-Repeat:
recompile kernel with options
options VESA
options SC_PIXEL_MODE


vidcontrol -i mode
to lists all support vesa video mode
try to use all graphics mode
>Fix:



Patch attached with submission follows:

--- src/sys/i386/isa/vesa.c.orig	2005-12-05 13:58:33.000000000 +0200
+++ src/sys/i386/isa/vesa.c	2008-06-22 00:52:26.000000000 +0300
@@ -1074,6 +1074,11 @@
 		(info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
 	vesa_adp->va_crtc_addr =
 		(vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC;
+
+	vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
+	vesa_adp->va_window_size = info.vi_window_size;
+	vesa_adp->va_window_gran = info.vi_window_gran;
+
 	if (info.vi_flags & V_INFO_LINEAR) {
 #if VESA_DEBUG > 1
 		printf("VESA: setting up LFB\n");
@@ -1083,33 +1088,31 @@
 					vesa_adp_info->v_memsize*64*1024);
 		vesa_adp->va_buffer_size = info.vi_buffer_size;
 		vesa_adp->va_window = vesa_adp->va_buffer;
-		vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes;
-		vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes;
 	} else {
 		vesa_adp->va_buffer = 0;
-		vesa_adp->va_buffer_size = info.vi_buffer_size;
-		vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window);
-		vesa_adp->va_window_size = info.vi_window_size;
-		vesa_adp->va_window_gran = info.vi_window_gran;
+		vesa_adp->va_buffer_size = 0;
 	}
+#if VESA_DEBUG > 1
+	printf("VESA: buffer %x, buffer_size %d, window %x, window_size %d\n",
+			vesa_adp->va_buffer,
+			vesa_adp->va_buffer_size,
+			vesa_adp->va_window,
+			vesa_adp->va_window_size);
+#endif
 	vesa_adp->va_window_orig = 0;
 	len = vesa_bios_get_line_length();
-	if (len > 0) {
-		vesa_adp->va_line_width = len;
-	} else if (info.vi_flags & V_INFO_GRAPHICS) {
-		switch (info.vi_depth/info.vi_planes) {
-		case 1:
-			vesa_adp->va_line_width = info.vi_width/8;
-			break;
-		case 2:
-			vesa_adp->va_line_width = info.vi_width/4;
-			break;
+	if (info.vi_flags & V_INFO_GRAPHICS) {
+		switch (info.vi_depth) {
 		case 4:
-			vesa_adp->va_line_width = info.vi_width/2;
+			vesa_adp->va_line_width = info.vi_width;
 			break;
 		case 8:
-		default: /* shouldn't happen */
-			vesa_adp->va_line_width = info.vi_width;
+		case 15:
+		case 16:
+		case 24:
+		case 32:
+		default:
+			vesa_adp->va_line_width = info.vi_width * (info.vi_depth / 8);
 			break;
 		}
 	} else {
@@ -1118,8 +1121,8 @@
 	vesa_adp->va_disp_start.x = 0;
 	vesa_adp->va_disp_start.y = 0;
 #if VESA_DEBUG > 0
-	printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n",
-	       info.vi_width, len, vesa_adp->va_line_width);
+	printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d vi_mem_model:%d\n",
+	       info.vi_width, len, vesa_adp->va_line_width, info.vi_mem_model);
 #endif
 	bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info));

--- src/sys/dev/syscons/scvgarndr.c.orig	2008-03-03 02:56:08.000000000 +0200
+++ src/sys/dev/syscons/scvgarndr.c	2008-06-22 01:33:00.000000000 +0300
@@ -193,6 +193,8 @@
 		case 15:						\
 			writew(pos, vga_palette15[color]);		\
 			break;						\
+		case 8:							\
+			writeb(pos, (uint8_t)color);			\
 		}
 	
 static uint32_t vga_palette32[16] = {
@@ -215,6 +217,7 @@
 #ifndef SC_NO_CUTPASTE
 static uint32_t mouse_buf32[256];
 static uint16_t mouse_buf16[256];
+static uint8_t  mouse_buf8[256];
 #endif
 #endif
 
@@ -503,7 +506,9 @@
 		scp->rndr->draw_cursor = vga_pxlcursor_planar;
 		scp->rndr->blink_cursor = vga_pxlblink_planar;
 		scp->rndr->draw_mouse = vga_pxlmouse_planar;
-	} else if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) {
+	} else
+	if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT ||
+	    scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PACKED) {
 		scp->rndr->clear = vga_pxlclear_direct;
 		scp->rndr->draw_border = vga_pxlborder_direct;
 		scp->rndr->draw = vga_vgadraw_direct;
@@ -1153,6 +1158,7 @@
 	int i, j;
 	uint32_t *u32;
 	uint16_t *u16;
+	uint8_t  *u8;
 	int bpp;
 
 	if (!on)
@@ -1184,6 +1190,10 @@
 				u16 = (uint16_t*)(p + j * pixel_size);
 				writew(u16, mouse_buf16[i * 16 + j]);
 				break;
+			case 8:
+				u8 = (uint8_t*)(p + j * pixel_size);
+				writeb(u8, mouse_buf8[i * 16 + j]);
+				break;
 			}
 		}
 
@@ -1219,6 +1229,14 @@
 				else if (mouse_and_mask[i] & (1 << (15 - j)))
 					writew(u16, 0);
 				break;
+			case 8:
+				u8 = (uint8_t*)(p + j * pixel_size);
+				mouse_buf8[i * 16 + j] = *u8;
+				if (mouse_or_mask[i] & (1 << (15 - j)))
+					writeb(u8, 15);
+				else if (mouse_and_mask[i] & (1 << (15 - j)))
+					writeb(u8, 0);
+				break;
 			}
 		}
 

--- src/sys/dev/syscons/scvidctl.c.orig	2008-03-03 02:56:09.000000000 +0200
+++ src/sys/dev/syscons/scvidctl.c	2008-06-22 01:27:10.000000000 +0300
@@ -397,6 +397,10 @@
 	    (info.vi_depth != 15) && (info.vi_depth != 16) &&
 	    (info.vi_depth != 24) && (info.vi_depth != 32))
 	    return ENODEV;
+    } else if (info.vi_mem_model == V_INFO_MM_PACKED) {
+	if (!(info.vi_flags & V_INFO_LINEAR) &&
+	    (info.vi_depth != 8))
+	    return ENODEV;
     } else
 	return ENODEV;
 


>Release-Note:
>Audit-Trail:
>Unformatted:



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