Red Hat Bugzilla – Bug 129797
Radeon driver (7000m) TVDAC output too high for DELL Server
Last modified: 2007-11-30 17:06:54 EST
This is for Dell server using radeon 7000m. Radeon driver has benn
updated to support the special configuration of Dell server. However
Dell reports TVDAC output RGB signal is a bit too high, need to
adjust RGB voltage from ~800mv to ~760mv. See patch below.
--- radeon_driver.c.orig 2004-08-11 11:50:27.000000000 -0400
+++ radeon_driver.c 2004-07-12 10:00:01.000000000 -0400
@@ -5723,7 +5723,7 @@
save->disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
save->tv_dac_cntl &= ~((1<<2) | (3<<8) | (7<<24) |
- save->tv_dac_cntl |= (0x03 | (2<<8) | (0x28<<16));
+ save->tv_dac_cntl |= (0x03 | (2<<8) | (0x58<<16));
RADEONTRACE(("Pitch = %d bytes (virtualX = %d, displayWidth = %d)
Patch updated in 4.1.0-62.EL build, which will be released as
erratum within the next few weeks. Setting status to "ERRATA"
for pending erratum release.
An errata has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.