** Information type changed from Proprietary to Public
** Summary changed:
- [CNL-Y] enable alpha kernel support of graphics
+ [CNL-Y] enable kernel support of graphics
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment removed: "CFL WHL CNL Gen10 GFX Feature Commit Update WW09_5 2018
review.xlsx"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757573/+attachment/5086577/+files/CFL%20WHL%20CNL%20Gen10%20GFX%20Feature%20Commit%20Update%20WW09_5%202018%20review.xlsx
** Description changed:
- Description:
+ [impact]
Currently in 18.04 beta1, (v4.15), CNL-Y graphics is not enabled.
is_alpha_support = 1
i915/i915_pci.c
572 static const struct intel_device_info intel_cannonlake_gt2_info
__initconst = {
573 GEN10_FEATURES,
574 .is_alpha_support = 1,
575 .platform = INTEL_CANNONLAKE,
576 .gen = 10,
577 .gt = 2,
578 };
- if you have new Intel hardware and want to enable the alpha quality i915
- driver support for the hardware in this kernel version. You can also
- enable the support at runtime using the module parameter
- i915.alpha_support=1; this option changes the default for that module
- parameter.
+ Enabling it needs 59 commits backported from 4.16/drm-intel-next-queued
+ according to a list provided by Intel.
+
+ [test case]
+ Test a kernel build with backports on CNL-Y.
+
+ [regression potential]
+ minor, they are mostly about CNL only
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https://bugs.launchpad.net/bugs/1757573
Title:
[CNL-Y] enable kernel support of graphics
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