Bug 5527

Summary:

S3 driver (S3 Trio64V2/DX/GX) doesn't work when 24bpp is used.

Product:

xorg

Reporter:

Evgeny Zubok <zoubok>

Component:

Driver/s3

Assignee:

Evgeny Zubok <zoubok>

Status:

RESOLVED FIXED

QA Contact:

Xorg Project Team <xorg-team>

Severity:

normal

Priority:

high

CC:

bugs.freedesktop.org

Version:

7.2 (2007.02)

Hardware:

x86 (IA32)

OS:

Linux (All)

Whiteboard:

i915 platform:

i915 features:

Attachments:

Description	Flags
xorg.conf file when 800x600@16bpp	none
log file when 800x600@16bpp is used	none
xorg.conf file when 800x600@24bpp	none
log file when 800x600@24bpp is used	none

Description Evgeny Zubok 2006-01-07 05:32:47 UTC

I have S3 Trio64V2 videocard with 2048 kB RAM on my old computer. Monitor is
ViewSonic E651-3 with HorizSync: 30-56 kHz, VertRefresh: 50-120Hz. Numbers are
taken from the monitor's manual.

When I set 16bpp with 800x600 resolution the card works fine. Then I set 24bpp
with 800x600 then the automatic calculation accepted, but ViewSonic falls into
"OFF DPMS Mode" (no input signal). I tried many different ModeLines. All my
manual setting are accepted by X server as "correct". All the calculated
parameters are meet the monitor frequencies. But result the same. It seems that
s3 driver for S3 Trio64V2/DX/GX works incorrectly when 24bpp is used. This mode
(TrueColor) is required by some software I plan to use.

I haven't specs for S3 chipsets so I can't help with patching. Sorry.

Comment 1 Evgeny Zubok 2006-01-07 05:39:32 UTC

Created attachment 4263 [details]
xorg.conf file when 800x600@16bpp

xorg.conf file when 800x600@16bpp

Comment 2 Evgeny Zubok 2006-01-07 05:40:54 UTC

Created attachment 4265 [details]
log file when 800x600@16bpp is used

log file when 800x600@16bpp is used

Comment 3 Evgeny Zubok 2006-01-07 05:41:42 UTC

Created attachment 4266 [details]
xorg.conf file when 800x600@24bpp

xorg.conf file when 800x600@24bpp

Comment 4 Evgeny Zubok 2006-01-07 05:42:42 UTC

Created attachment 4268 [details]
log file when 800x600@24bpp is used

log file when 800x600@24bpp is used

Comment 5 Daniel Stone 2007-02-27 01:29:48 UTC

Sorry about the phenomenal bug spam, guys.  Adding xorg-team@ to the QA contact so bugs don't get lost in future.

Comment 6 Rolf Leggewie 2007-05-18 15:10:06 UTC

I just ran into this bug while trying to move my mother's PC away from Win95, so I can confirm it still exists.  Let me know if you need some information.  I'll gladly try and provide it.

Comment 7 Rolf Leggewie 2007-05-18 15:11:25 UTC

This was on Ubuntu Feisty with package 7.2-0ubuntu11

Comment 8 Evgeny Zubok 2007-05-23 10:42:14 UTC

I'll try to resolve this problem. Now you can use 800x600_16bpp (full 2D acceleration). Also I have a patch for 1024x768_16bpp (this mode also doesn't work), but I'll publish it later.

Comment 9 Alex Deucher 2008-07-07 11:32:58 UTC

committed: 2128de2ad9fa67537d8ed56ff173b8a7b0422e0e

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