Description of problem:
When connect a digital monitor which supports max 1600x1200 resolution, radeon
driver will set 1600x1200@24bit mode for output, however, this mode is out of
ES1000's capacity. video corruption will occur in this case.
How reproducible:
Often
Steps to Reproduce:
1. install RHEL5
2. connect a digital monitor with max 1600x1200 resolution
3. startX
Actual results:
video corruption will occur
Additional info:
Radeon driver has its own mode validation routine for digital monitors, this
routine forget to check clock limations for output mode.we add clock range
check in this routine to restrict output mode within chip's capability.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2013-1360.html