From: Matthew Auld <matthew.auld@xxxxxxxxx> commit 0bdc0a0699929c814a8aecd55d2accb8c11beae2 upstream. For some reason we are selecting PRIO_HAS_PAGES when we don't have mm.pages, and vice versa. v2(Thomas): - Add missing fixes tag Fixes: 213d50927763 ("drm/i915/ttm: Introduce a TTM i915 gem object backend") Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20220209111652.468762-1-matthew.auld@xxxxxxxxx (cherry picked from commit ba2c5d15022a565da187d90e2fe44768e33e5034) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -759,11 +759,9 @@ static void i915_ttm_adjust_lru(struct d if (obj->mm.madv != I915_MADV_WILLNEED) { bo->priority = I915_TTM_PRIO_PURGE; } else if (!i915_gem_object_has_pages(obj)) { - if (bo->priority < I915_TTM_PRIO_HAS_PAGES) - bo->priority = I915_TTM_PRIO_HAS_PAGES; + bo->priority = I915_TTM_PRIO_NO_PAGES; } else { - if (bo->priority > I915_TTM_PRIO_NO_PAGES) - bo->priority = I915_TTM_PRIO_NO_PAGES; + bo->priority = I915_TTM_PRIO_HAS_PAGES; } ttm_bo_move_to_lru_tail(bo, bo->resource, NULL); Patches currently in stable-queue which might be from matthew.auld@xxxxxxxxx are queue-5.15/drm-i915-ttm-tweak-priority-hint-selection.patch