From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> commit 09aa9e45863e9e25dfbf350bae89fc3c2964482c upstream. The mitigation is required for all gen7 platforms, now that it does not cause GPU hangs, restore it for Ivybridge and Baytrail. Fixes: 47f8253d2b89 ("drm/i915/gen7: Clear all EU/L3 residual contexts") Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> Cc: Prathap Kumar Valsan <prathap.kumar.valsan@xxxxxxxxx> Cc: Akeem G Abodunrin <akeem.g.abodunrin@xxxxxxxxx> Cc: Bloomfield Jon <jon.bloomfield@xxxxxxxxx> Reviewed-by: Akeem G Abodunrin <akeem.g.abodunrin@xxxxxxxxx> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20210111225220.3483-2-chris@xxxxxxxxxxxxxxxxxx (cherry picked from commit 008ead6ef8f588a8c832adfe9db201d9be5fd410) Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_ring_submission.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c @@ -1291,7 +1291,7 @@ int intel_ring_submission_setup(struct i GEM_BUG_ON(timeline->hwsp_ggtt != engine->status_page.vma); - if (IS_HASWELL(engine->i915) && engine->class == RENDER_CLASS) { + if (IS_GEN(engine->i915, 7) && engine->class == RENDER_CLASS) { err = gen7_ctx_switch_bb_init(engine); if (err) goto err_ring_unpin;