Required to dinamically set 'Small PL Lossless Fix Enable' Do Linux UMDs make use of this? This change has been security reviewed and the whitelisting approved. Virtualization of other OSes could certainly use it. v2: For whatever reason, this ended up in KBL (??!!) v3: Rebased on top of the WA refactoring Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_workarounds.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 970a763..43dbeed 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -963,6 +963,11 @@ static int icl_whitelist_workarounds_apply(struct intel_engine_cs *engine) if (ret) return ret; + /* WaAllowUMDToModifyHalfSliceChicken2:icl */ + ret = wa_ring_whitelist_reg(engine, HALF_SLICE_CHICKEN2); + if (ret) + return ret; + return 0; } -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
