-----Original Message----- From: amd-gfx [mailto:amd-gfx-bounces@lists.freedesktop.org] On Behalf Of Christian König Sent: Friday, July 22, 2016 9:10 AM To: amd-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org Cc: Lin, Amber; Kuehling, Felix; funfunctor@folklore1984.net Subject: [PATCH] drm/ttm: partial revert "cleanup ttm_tt_(unbind|destroy)" v2
From: Christian König christian.koenig@amd.com
We still need to unbind explicitely during a move.
This partial reverts commit ff20caa0bcbfef9f7686f8d1868a3b990921afd6.
v2: remove unnecessary check and unused variable
Signed-off-by: Christian König christian.koenig@amd.com
Reviewed-by: Alex Deucher alexander.deucher@amd.com
drivers/gpu/drm/ttm/ttm_bo_util.c | 1 + drivers/gpu/drm/ttm/ttm_tt.c | 19 ++++++++++++------- include/drm/ttm/ttm_bo_driver.h | 9 +++++++++ 3 files changed, 22 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 0c389a5..6c412c3 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -53,6 +53,7 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo, int ret;
if (old_mem->mem_type != TTM_PL_SYSTEM) {
ttm_tt_unbind(ttm);TTM_PL_FLAG_SYSTEM, TTM_PL_MASK_MEM); diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index d28d4333..526e5a7 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -166,16 +166,10 @@ EXPORT_SYMBOL(ttm_tt_set_placement_caching);
void ttm_tt_destroy(struct ttm_tt *ttm) {
int ret;
if (ttm == NULL) return;
if (ttm->state == tt_bound) {
ret = ttm->func->unbind(ttm);BUG_ON(ret);ttm->state = tt_unbound;}
ttm_tt_unbind(ttm);
if (ttm->state == tt_unbound) ttm_tt_unpopulate(ttm);
@@ -255,6 +249,17 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma) } EXPORT_SYMBOL(ttm_dma_tt_fini);
+void ttm_tt_unbind(struct ttm_tt *ttm) +{
- int ret;
- if (ttm->state == tt_bound) {
ret = ttm->func->unbind(ttm);BUG_ON(ret);ttm->state = tt_unbound;- }
+}
int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) { int ret = 0; diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 141cefb..e7d81a8 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -628,6 +628,15 @@ extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem); extern void ttm_tt_destroy(struct ttm_tt *ttm);
/**
- ttm_ttm_unbind:
- @ttm: The struct ttm_tt.
- Unbind a struct ttm_tt.
- */
+extern void ttm_tt_unbind(struct ttm_tt *ttm);
+/**
- ttm_tt_swapin:
- @ttm: The struct ttm_tt.
-- 2.5.0
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