for saving memory and more bit flag can be used in future
Signed-off-by: Roger He <hongbo...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++--
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 ++--
drivers/gpu/drm/ttm/ttm_bo.c | 3 ++-
include/drm/ttm/ttm_bo_api.h | 7 +++++--
4 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index eaa3cb0..dc34b50 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -346,8 +346,8 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
struct ttm_operation_ctx ctx = {
.interruptible = true,
.no_wait_gpu = false,
- .allow_reserved_eviction = false,
- .resv = bo->tbo.resv
+ .resv = bo->tbo.resv,
+ .flags = 0
};
uint32_t domain;
int r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 512612e..0338ef6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -341,8 +341,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
struct ttm_operation_ctx ctx = {
.interruptible = !kernel,
.no_wait_gpu = false,
- .allow_reserved_eviction = true,
- .resv = resv
+ .resv = resv,
+ .flags = TTM_OPT_FLAG_ALLOW_RES_EVICT
};
struct amdgpu_bo *bo;
enum ttm_bo_type type;
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index d90b1cf1..a907311 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -730,7 +730,8 @@ static bool ttm_bo_evict_swapout_allowable(struct
ttm_buffer_object *bo,
*locked = false;
if (bo->resv == ctx->resv) {
reservation_object_assert_held(bo->resv);
- if (ctx->allow_reserved_eviction || !list_empty(&bo->ddestroy))
+ if (ctx->flags & TTM_OPT_FLAG_ALLOW_RES_EVICT
+ || !list_empty(&bo->ddestroy))
ret = true;
} else {
*locked = reservation_object_trylock(bo->resv);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 2cd025c..872ff6c 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -263,8 +263,8 @@ struct ttm_bo_kmap_obj {
*
* @interruptible: Sleep interruptible if sleeping.
* @no_wait_gpu: Return immediately if the GPU is busy.
- * @allow_reserved_eviction: Allow eviction of reserved BOs.
* @resv: Reservation object to allow reserved evictions with.
+ * @flags: Including the following flags
*
* Context for TTM operations like changing buffer placement or general memory
* allocation.
@@ -272,11 +272,14 @@ struct ttm_bo_kmap_obj {
struct ttm_operation_ctx {
bool interruptible;
bool no_wait_gpu;
- bool allow_reserved_eviction;
struct reservation_object *resv;
uint64_t bytes_moved;
+ uint32_t flags;
};
+/* Allow eviction of reserved BOs */
+#define TTM_OPT_FLAG_ALLOW_RES_EVICT 0x1
+
/**
* ttm_bo_reference - reference a struct ttm_buffer_object
*
--
2.7.4
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