This is a note to let you know that I've just added the patch titled
drm/ttm: fix handling of TTM_PL_FLAG_TOPDOWN v2
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-ttm-fix-handling-of-ttm_pl_flag_topdown-v2.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From e3f202798aaa808e7a38faa8c3a9f0aa93b85cc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <[email protected]>
Date: Thu, 3 Jul 2014 09:02:23 +0200
Subject: drm/ttm: fix handling of TTM_PL_FLAG_TOPDOWN v2
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From: =?UTF-8?q?Christian=20K=C3=B6nig?= <[email protected]>
commit e3f202798aaa808e7a38faa8c3a9f0aa93b85cc0 upstream.
bo->mem.placement is not initialized when ttm_bo_man_get_node is called,
so the flag had no effect at all.
v2: change nouveau and vmwgfx as well
Signed-off-by: Christian König <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/nouveau/nouveau_ttm.c | 3 +++
drivers/gpu/drm/ttm/ttm_bo.c | 6 +++---
drivers/gpu/drm/ttm/ttm_bo_manager.c | 3 ++-
drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 1 +
include/drm/ttm/ttm_bo_driver.h | 2 ++
5 files changed, 11 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/nouveau/nouveau_ttm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c
@@ -76,6 +76,7 @@ static int
nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem)
{
struct nouveau_drm *drm = nouveau_bdev(man->bdev);
@@ -162,6 +163,7 @@ static int
nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
@@ -242,6 +244,7 @@ static int
nv04_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem)
{
struct nouveau_mem *node;
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -784,7 +784,7 @@ static int ttm_bo_mem_force_space(struct
int ret;
do {
- ret = (*man->func->get_node)(man, bo, placement, mem);
+ ret = (*man->func->get_node)(man, bo, placement, 0, mem);
if (unlikely(ret != 0))
return ret;
if (mem->mm_node)
@@ -897,7 +897,8 @@ int ttm_bo_mem_space(struct ttm_buffer_o
if (man->has_type && man->use_type) {
type_found = true;
- ret = (*man->func->get_node)(man, bo, placement, mem);
+ ret = (*man->func->get_node)(man, bo, placement,
+ cur_flags, mem);
if (unlikely(ret))
return ret;
}
@@ -937,7 +938,6 @@ int ttm_bo_mem_space(struct ttm_buffer_o
ttm_flag_masked(&cur_flags, placement->busy_placement[i],
~TTM_PL_MASK_MEMTYPE);
-
if (mem_type == TTM_PL_SYSTEM) {
mem->mem_type = mem_type;
mem->placement = cur_flags;
--- a/drivers/gpu/drm/ttm/ttm_bo_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c
@@ -50,6 +50,7 @@ struct ttm_range_manager {
static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem)
{
struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
@@ -67,7 +68,7 @@ static int ttm_bo_man_get_node(struct tt
if (!node)
return -ENOMEM;
- if (bo->mem.placement & TTM_PL_FLAG_TOPDOWN)
+ if (flags & TTM_PL_FLAG_TOPDOWN)
aflags = DRM_MM_CREATE_TOP;
spin_lock(&rman->lock);
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
@@ -47,6 +47,7 @@ struct vmwgfx_gmrid_man {
static int vmw_gmrid_man_get_node(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem)
{
struct vmwgfx_gmrid_man *gman =
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -182,6 +182,7 @@ struct ttm_mem_type_manager_func {
* @man: Pointer to a memory type manager.
* @bo: Pointer to the buffer object we're allocating space for.
* @placement: Placement details.
+ * @flags: Additional placement flags.
* @mem: Pointer to a struct ttm_mem_reg to be filled in.
*
* This function should allocate space in the memory type managed
@@ -206,6 +207,7 @@ struct ttm_mem_type_manager_func {
int (*get_node)(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
+ uint32_t flags,
struct ttm_mem_reg *mem);
/**
Patches currently in stable-queue which might be from [email protected]
are
queue-3.16/drm-ttm-fix-handling-of-ttm_pl_flag_topdown-v2.patch
--
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