From: John Zielinski <grim@undead.cc>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linux Frame Buffer Device Development
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: 2.6 fbcon and 15/16 bpp
Date: Tue, 23 Dec 2003 23:45:21 -0500 [thread overview]
Message-ID: <3FE919E1.7050609@undead.cc> (raw)
In-Reply-To: <1072236683.739.32.camel@gaston>
[-- Attachment #1: Type: text/plain, Size: 573 bytes --]
Benjamin Herrenschmidt wrote:
>Well, the interesting thing is does X using "fbdev" has proper colors
>(or X using "ati" driver with UseFBDev option). If yes, then that code
>is right. It's the console/blit code that is wrong.
>
>
Confirmed using fbtest. With that section commented out fbtest's colors
are messed up.
Hmmm.... Just found something. Here's an updated patch. Notice the 6
changing to a 5 in the 16 bit case. This makes the console and fbtest
look right.... except for the penguins. Their colors are messed up
depending on the test order.
John
[-- Attachment #2: patch.16bppfix --]
[-- Type: text/plain, Size: 765 bytes --]
diff -urNX dontdiff linux.old/drivers/video/aty/radeon_base.c linux/drivers/video/aty/radeon_base.c
--- linux.old/drivers/video/aty/radeon_base.c 2003-12-21 17:54:33.000000000 -0500
+++ linux/drivers/video/aty/radeon_base.c 2003-12-23 23:23:03.000000000 -0500
@@ -1197,12 +1197,12 @@
if (regno < 16) {
switch (rinfo->depth) {
case 15:
- ((u16 *) (info->pseudo_palette))[regno] =
+ ((u32 *) (info->pseudo_palette))[regno] =
(regno << 10) | (regno << 5) | regno;
break;
case 16:
- ((u16 *) (info->pseudo_palette))[regno] =
- (regno << 11) | (regno << 6) | regno;
+ ((u32 *) (info->pseudo_palette))[regno] =
+ (regno << 11) | (regno << 5) | regno;
break;
case 24:
((u32 *) (info->pseudo_palette))[regno] =
next prev parent reply other threads:[~2003-12-24 4:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-02 7:04 2.6 fbcon and 15/16 bpp Benjamin Herrenschmidt
2003-12-02 7:32 ` John Zielinski
2003-12-02 22:22 ` Benjamin Herrenschmidt
2003-12-02 22:53 ` John Zielinski
2003-12-03 0:19 ` Benjamin Herrenschmidt
2003-12-10 6:43 ` John Zielinski
2003-12-23 23:16 ` John Zielinski
2003-12-24 1:45 ` Benjamin Herrenschmidt
2003-12-24 2:54 ` John Zielinski
2003-12-24 3:31 ` Benjamin Herrenschmidt
2003-12-24 4:45 ` John Zielinski [this message]
2003-12-24 5:23 ` Benjamin Herrenschmidt
2003-12-24 6:02 ` John Zielinski
2003-12-24 12:10 ` Geert Uytterhoeven
2003-12-24 21:34 ` John Zielinski
2003-12-24 22:44 ` Benjamin Herrenschmidt
2003-12-25 0:55 ` John Zielinski
2003-12-26 11:01 ` Geert Uytterhoeven
2003-12-24 12:08 ` Geert Uytterhoeven
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3FE919E1.7050609@undead.cc \
--to=grim@undead.cc \
--cc=benh@kernel.crashing.org \
--cc=linux-fbdev-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).