[Intel-gfx] [PATCH 11/20] drm/i915/ttm: tweak priority hint selection

Matthew Auld
2022-01-26T15:22:54Z

For some reason we are selecting PRIO_HAS_PAGES when we don't have
mm.pages, and vice versa. Perhaps something else is going on here.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
---
drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index e60b677ecd54..e4cd6ccf5ab1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -848,11 +848,9 @@ void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj)
} else 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);
--
2.34.1