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authorMichel Dänzer <michel@tungstengraphics.com>2007-08-24 09:39:58 +0200
committerMichel Dänzer <michel@tungstengraphics.com>2007-08-24 09:39:58 +0200
commit84a37d0ed01a2eee80ee30b79ddfd7906decaff1 (patch)
tree8587859d4aa8c75d510ff4429ae7e041859da8af
parentd0f900c857585804fedd501bcf0a603fead271ce (diff)
Revert "radeon: Round down RMX stretch ratios."ati-6.7-branch
This reverts commit 6b736a5c25d968bb09e229e0fbb82162e8447783. See https://bugs.freedesktop.org/show_bug.cgi?id=8983#c6 and https://bugzilla.novell.com/show_bug.cgi?id=220724 .
-rw-r--r--src/radeon_driver.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 418b39d..2288126 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -5796,23 +5796,21 @@ static void RADEONInitRMXRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save,
if (Hratio == 1.0 || !(mode->Flags & RADEON_USE_RMX)) {
save->fp_horz_stretch |= ((xres/8-1)<<16);
} else {
- save->fp_horz_stretch |= ((((unsigned long)
- (Hratio * RADEON_HORZ_STRETCH_RATIO_MAX)) &
- RADEON_HORZ_STRETCH_RATIO_MASK) |
- RADEON_HORZ_STRETCH_BLEND |
- RADEON_HORZ_STRETCH_ENABLE |
- ((info->PanelXRes/8-1)<<16));
+ save->fp_horz_stretch |= ((((unsigned long)(Hratio * RADEON_HORZ_STRETCH_RATIO_MAX +
+ 0.5)) & RADEON_HORZ_STRETCH_RATIO_MASK) |
+ RADEON_HORZ_STRETCH_BLEND |
+ RADEON_HORZ_STRETCH_ENABLE |
+ ((info->PanelXRes/8-1)<<16));
}
if (Vratio == 1.0 || !(mode->Flags & RADEON_USE_RMX)) {
save->fp_vert_stretch |= ((yres-1)<<12);
} else {
- save->fp_vert_stretch |= ((((unsigned long)
- (Vratio * RADEON_VERT_STRETCH_RATIO_MAX)) &
- RADEON_VERT_STRETCH_RATIO_MASK) |
- RADEON_VERT_STRETCH_ENABLE |
- RADEON_VERT_STRETCH_BLEND |
- ((info->PanelYRes-1)<<12));
+ save->fp_vert_stretch |= ((((unsigned long)(Vratio * RADEON_VERT_STRETCH_RATIO_MAX +
+ 0.5)) & RADEON_VERT_STRETCH_RATIO_MASK) |
+ RADEON_VERT_STRETCH_ENABLE |
+ RADEON_VERT_STRETCH_BLEND |
+ ((info->PanelYRes-1)<<12));
}
}