Hello.
Here is update of the status and bugs we have in the
drm-openchrome and xorg driver.
xf86-video-openchrome - SVN repo at
http://svn.openchrome.org/svn/branches/kms_branch
Bugs:
* http://www.openchrome.org/trac/ticket/413
- First 6 columns of the LVDS display is duplicated on the
right side of the screen. This is due to the pitch not
equaling the horizontal width of the display.
* http://www.openchrome.org/trac/ticket/414
- Hardware cursor doesn't work on VX900. My theory is this
is due to bugs is the memory allocater from the VRAM in
the current X org driver.
* http://www.openchrome.org/trac/ticket/415
- Wrong LVDS index from the scratch pad is used for the
OLPC. Pulled out my OLPC today to fix this.
* http://www.openchrome.org/trac/ticket/418
- EXA is broken on the OLPC. To date this is the only
platform with EXA problems. It was traced to check in
r840. This bug will take some deep debugging to figure
out.
* DisplayPort detect is just broken. Discovered machines that
have LVDS with real EDID. The EDID came off the second I2c bus
which happens to be the same port we tested for DP being present.
The fix is quite complex so it will not be fixed in UMS. KMS
side will address this.
Goals:
* Fix the EXA bug on OLPC. The plan is to drop XAA after this.
* Fix up the EXA code to use CreatePixmap2, DestoryPixmap so the
EXA layer can be used in the TTM and non-TTM environment.
* Work out a buffer manager to handle the TTM and non-TTM case.
* KMS support.
drm-opencrhome - Tested with xf86-video-modesetting branch
git repo at
http://cgit.freedesktop.org/~jsimmons/drm-openchrome
Bugs:
* Bug discovered is the offset from the BO allcated is not
offseted int the VRAM. Need to track it down.
* Fix the kernel cursor api. Currently it oops the machine.
Goals:
* Need to implement proper fencing.
* Hardware accelerate the blitting.
* Support LVDS KMS - I have early code but it needs love :-)
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