drm/i915/perf: Wa_14017512683: Disable OAM if media C6 is enabled in BIOS

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OAM does not work with media C6 enabled on some steppings of MTL.
Disable OAM if we detect that media C6 was enabled in bios.

v2: (Ashutosh)
- Remove drm_notice from the driver load path
- Log a drm_err when opening an OAM stream on affected steppings

v3:
- Initialize the engine group even if mc6 is enabled (Ashutosh)
- Checkpatch fix

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323225901.3743681-12-umesh.nerlige.ramappa@intel.com

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Umesh Nerlige Ramappa 2023-03-23 15:59:01 -07:00

parent 94d82e9521

commit 86e11e3012

1 changed files with 31 additions and 0 deletions

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drivers/gpu/drm/i915/i915_perf.c

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