File 0322-vga-drop-line_offset-variable.patch of Package qemu-testsuite.29142

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File 0322-vga-drop-line_offset-variable.patch of Package qemu-testsuite.29142

From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 10 Oct 2017 16:13:21 +0200
Subject: vga: drop line_offset variable

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit 362f811793ff6cb4d209ab61d76cc4f841bb5e46)
[BR: Support for BSC#1084604 (and other useful vga fixes)]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 hw/display/vga.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/hw/display/vga.c b/hw/display/vga.c
index f911f0a77f1cec03367dc574dc77..84f5bff087f845b18bce496522a3 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1480,7 +1480,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
 {
     DisplaySurface *surface = qemu_console_surface(s->con);
     int y1, y, update, linesize, y_start, double_scan, mask, depth;
-    int width, height, shift_control, line_offset, bwidth, bits;
+    int width, height, shift_control, bwidth, bits;
     ram_addr_t page0, page1;
     DirtyBitmapSnapshot *snap = NULL;
     int disp_width, multi_scan, multi_run;
@@ -1638,7 +1638,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
         s->cursor_invalidate(s);
     }
 
-    line_offset = s->line_offset;
 #if 0
     printf("w=%d h=%d v=%d line_offset=%d cr[0x09]=0x%02x cr[0x17]=0x%02x linecmp=%d sr[0x01]=0x%02x\n",
            width, height, v, line_offset, s->cr[9], s->cr[VGA_CRTC_MODE],
@@ -1653,7 +1652,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
 
     if (!full_update) {
         ram_addr_t region_start = addr1;
-        ram_addr_t region_end = addr1 + line_offset * height;
+        ram_addr_t region_end = addr1 + s->line_offset * height;
         vga_sync_dirty_bitmap(s);
         if (s->line_compare < height) {
             /* split screen mode */
@@ -1705,7 +1704,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
         if (!multi_run) {
             mask = (s->cr[VGA_CRTC_MODE] & 3) ^ 3;
             if ((y1 & mask) == mask)
-                addr1 += line_offset;
+                addr1 += s->line_offset;
             y1++;
             multi_run = multi_scan;
         } else {

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File 0322-vga-drop-line_offset-variable.patch of Package qemu-testsuite.29142

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