From: Dave Airlie <airlied@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: christian.koenig@amd.com, bskeggs@redhat.com
Subject: [PATCH 7/7] drm/ttm: move populated state into page flags
Date: Tue, 15 Sep 2020 12:40:07 +1000 [thread overview]
Message-ID: <20200915024007.67163-8-airlied@gmail.com> (raw)
In-Reply-To: <20200915024007.67163-1-airlied@gmail.com>
From: Dave Airlie <airlied@redhat.com>
Just use the top bit of page flags to store the populated state.
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
include/drm/ttm/ttm_tt.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
index 94e16238c93d..c777b72063db 100644
--- a/include/drm/ttm/ttm_tt.h
+++ b/include/drm/ttm/ttm_tt.h
@@ -42,6 +42,8 @@ struct ttm_operation_ctx;
#define TTM_PAGE_FLAG_SG (1 << 8)
#define TTM_PAGE_FLAG_NO_RETRY (1 << 9)
+#define TTM_PAGE_FLAG_PRIV_POPULATED (1 << 31)
+
enum ttm_caching_state {
tt_uncached,
tt_wc,
@@ -70,22 +72,21 @@ struct ttm_tt {
struct sg_table *sg; /* for SG objects via dma-buf */
struct file *swap_storage;
enum ttm_caching_state caching_state;
- bool populated;
};
static inline bool ttm_tt_is_populated(struct ttm_tt *tt)
{
- return tt->populated;
+ return tt->page_flags & TTM_PAGE_FLAG_PRIV_POPULATED;
}
static inline void ttm_tt_set_unpopulated(struct ttm_tt *tt)
{
- tt->populated = false;
+ tt->page_flags &= ~TTM_PAGE_FLAG_PRIV_POPULATED;
}
static inline void ttm_tt_set_populated(struct ttm_tt *tt)
{
- tt->populated = true;
+ tt->page_flags |= TTM_PAGE_FLAG_PRIV_POPULATED;
}
/**
--
2.27.0
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next prev parent reply other threads:[~2020-09-15 2:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 2:40 Dave Airlie
2020-09-15 2:40 ` [PATCH 1/7] drm/ttm/tt: add wrappers to set tt state Dave Airlie
2020-09-15 2:40 ` [PATCH 2/7] drm/ttm: wrap tt destroy Dave Airlie
2020-09-15 7:47 ` Christian König
2020-09-15 2:40 ` [PATCH 3/7] drm/ttm: tt destroy move null check to outer function Dave Airlie
2020-09-15 2:40 ` [PATCH 4/7] drm/ttm: split populate out from binding Dave Airlie
2020-09-15 7:50 ` Christian König
2020-09-15 2:40 ` [PATCH 5/7] drm/ttm: move ttm binding/unbinding out of ttm_tt paths Dave Airlie
2020-09-15 2:40 ` [PATCH 6/7] drm/ttm: split bound/populated flags Dave Airlie
2020-09-15 2:40 ` Dave Airlie [this message]
2020-09-15 7:53 ` Christian König
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