drm: remove optional dummy function from drivers using TTM

Implementing those is completely unnecessary.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Link: https://patchwork.freedesktop.org/patch/378236/

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 3df6852..9c0f12f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -836,10 +836,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
        return 0;
 }
 
-static void amdgpu_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
-{
-}
-
 static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
                                           unsigned long page_offset)
 {
@@ -1754,7 +1750,6 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
        .release_notify = &amdgpu_bo_release_notify,
        .fault_reserve_notify = &amdgpu_bo_fault_reserve_notify,
        .io_mem_reserve = &amdgpu_ttm_io_mem_reserve,
-       .io_mem_free = &amdgpu_ttm_io_mem_free,
        .io_mem_pfn = amdgpu_ttm_io_mem_pfn,
        .access_memory = &amdgpu_ttm_access_memory,
        .del_from_lru_notify = &amdgpu_vm_del_from_lru_notify

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index d107a26..3296ed3 100644 (file)
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1081,10 +1081,6 @@ static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,
        return 0;
 }
 
-static void bo_driver_io_mem_free(struct ttm_bo_device *bdev,
-                                 struct ttm_mem_reg *mem)
-{ }
-
 static struct ttm_bo_driver bo_driver = {
        .ttm_tt_create = bo_driver_ttm_tt_create,
        .ttm_tt_populate = ttm_pool_populate,
@@ -1094,7 +1090,6 @@ static struct ttm_bo_driver bo_driver = {
        .evict_flags = bo_driver_evict_flags,
        .move_notify = bo_driver_move_notify,
        .io_mem_reserve = bo_driver_io_mem_reserve,
-       .io_mem_free = bo_driver_io_mem_free,
 };
 
 /*

diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 52eaa2d..a6e6714 100644 (file)
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -129,11 +129,6 @@ int qxl_ttm_io_mem_reserve(struct ttm_bo_device *bdev,
        return 0;
 }
 
-static void qxl_ttm_io_mem_free(struct ttm_bo_device *bdev,
-                               struct ttm_mem_reg *mem)
-{
-}
-
 /*
  * TTM backend functions.
  */
@@ -247,7 +242,6 @@ static struct ttm_bo_driver qxl_bo_driver = {
        .evict_flags = &qxl_evict_flags,
        .move = &qxl_bo_move,
        .io_mem_reserve = &qxl_ttm_io_mem_reserve,
-       .io_mem_free = &qxl_ttm_io_mem_free,
        .move_notify = &qxl_bo_move_notify,
 };
 

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f4f1e63..7308552 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -457,10 +457,6 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
        return 0;
 }
 
-static void radeon_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
-{
-}
-
 /*
  * TTM backend functions.
  */
@@ -774,7 +770,6 @@ static struct ttm_bo_driver radeon_bo_driver = {
        .move_notify = &radeon_bo_move_notify,
        .fault_reserve_notify = &radeon_bo_fault_reserve_notify,
        .io_mem_reserve = &radeon_ttm_io_mem_reserve,
-       .io_mem_free = &radeon_ttm_io_mem_free,
 };
 
 int radeon_ttm_init(struct radeon_device *rdev)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index fbcd11a..bfd0c54 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -815,15 +815,6 @@ static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg
        return 0;
 }
 
-static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
-{
-}
-
-static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
-{
-       return 0;
-}
-
 /**
  * vmw_move_notify - TTM move_notify_callback
  *
@@ -866,7 +857,5 @@ struct ttm_bo_driver vmw_bo_driver = {
        .verify_access = vmw_verify_access,
        .move_notify = vmw_move_notify,
        .swap_notify = vmw_swap_notify,
-       .fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
        .io_mem_reserve = &vmw_ttm_io_mem_reserve,
-       .io_mem_free = &vmw_ttm_io_mem_free,
 };