Backport support for Cherryview/Braswell
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
mesa (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Trusty |
Fix Released
|
High
|
Timo Aaltonen |
Bug Description
[Impact]
Mesa 10.1.x doesn't enable support for CHV/BSW, like it didn't for Broadwell. Enabling it needs five commits backported from 10.2:
70285f607ce2a06 i965: initialize more device info fields for Cherryview
9b6b084eb7b10d0 i965: Add Cherryview support.
850e372fc7ff337 i965: Drop bogus F32TO16/F16TO32 instructions on Broadwell - use MOV.
a5e54c91a3b7355 i965: Store absolute thread count in max_wm_threads on Broadwell.
dca84b4b5b23b68 i965: Use MOV, not OR for setting URB write channel enables on Gen8+.
[Test Case]
install trusty on a BSW machine, unity falls back to software rendering which is slow.
[Regression potential]
Slim, since it enables new HW, and though some commits are shared with BDW (they are both gen8) they are bugfixes.
Changed in mesa (Ubuntu): | |
status: | New → Invalid |
Changed in mesa (Ubuntu Trusty): | |
assignee: | nobody → Timo Aaltonen (tjaalton) |
importance: | Undecided → High |
status: | New → In Progress |
tags: |
added: verification-done removed: verification-needed |
Hello Timo, or anyone else affected,
Accepted mesa into trusty-proposed. The package will build now and be available at https:/ /launchpad. net/ubuntu/ +source/ mesa/10. 1.3-0ubuntu0. 3 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification- failed. In either case, details of your testing will help us make a better decision.
Further information regarding the verification process can be found at https:/ /wiki.ubuntu. com/QATeam/ PerformingSRUVe rification . Thank you in advance!