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xe: add initial Xe kmd support for gen12 xelp

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Adds a new intel backend for interfacing with the Xe kernel driver.
Currently only tested on gen12 (Xe1; e.g. TGL, ADL, MTL).

Test 1: drm-tests (natively): stop ui and then run:
	- mapped_texture_test
	- null_platform_test -m [I915_FORMAT_MOD_X_TILED|I915_FORMAT_MOD_Y_TILED]
	- plane_test (by default it uses NV12)

Test 2: full OS: boot to UI, execute webGL and/or YouTube successfully and watch
the terminal: TERM=xterm watch -n1 -d cat /sys/kernel/debug/dri/0/i915_display_info
for color formats and display plane usage

v1: Carlos Santa <carlos.santa@intel.corp-partner.google.com>
v2: Ryan Neph <ryanneph@google.com>
  - formatting fixes
  - remove deprecated #ifdef I915_SCANOUT_Y_TILED conditional compilation
  - add missing backend_xe implementations
  - mimic i915_add_combinations
    - Match formatting, order of operations, and add the missing combo for
      YVU420_ANDROID + USE_CAMERA_WRITE.
    - In a future CL, we'll factor this into a common function called by both
      backends.
  - simplify xe_bo_map()
    - The conditional body is always taken, so remove the conditional entirely.
  - mark late-gen12 as mtl_or_newer until proper version handling is used.

BUG=b:358427077
TEST=drm-tests (see above)

Change-Id: I1eaa1dcce6cee706a421b3c4d6a532a6b83f8564
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/6245159
Tested-by: Ryan Neph <ryanneph@google.com>
Commit-Queue: Ryan Neph <ryanneph@google.com>
Reviewed-by: Matt Turner <msturner@google.com>
Reviewed-by: Lina Versace <linyaa@google.com>
This commit is contained in:
Carlos Santa 2024-06-26 14:32:31 -07:00 • committed by Chromeos LUCI
parent afef668e27
commit 3ab89b0247
7 changed files with 2121 additions and 1 deletions
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