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-rw-r--r--include/drm/drm_gem_cma_helper.h2
-rw-r--r--include/drm/drm_mm.h32
-rw-r--r--include/drm/ttm/ttm_bo_driver.h47
-rw-r--r--include/drm/ttm/ttm_placement.h3
-rw-r--r--include/uapi/drm/msm_drm.h12
5 files changed, 74 insertions, 22 deletions
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index 89b4d7db1ebd..2a3cea91606d 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -1,6 +1,8 @@
#ifndef __DRM_GEM_CMA_HELPER_H__
#define __DRM_GEM_CMA_HELPER_H__
+#include <drm/drmP.h>
+
struct drm_gem_cma_object {
struct drm_gem_object base;
dma_addr_t paddr;
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 8b6981ab3fcf..a24addfdfcec 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -47,8 +47,17 @@
enum drm_mm_search_flags {
DRM_MM_SEARCH_DEFAULT = 0,
DRM_MM_SEARCH_BEST = 1 << 0,
+ DRM_MM_SEARCH_BELOW = 1 << 1,
};
+enum drm_mm_allocator_flags {
+ DRM_MM_CREATE_DEFAULT = 0,
+ DRM_MM_CREATE_TOP = 1 << 0,
+};
+
+#define DRM_MM_BOTTOMUP DRM_MM_SEARCH_DEFAULT, DRM_MM_CREATE_DEFAULT
+#define DRM_MM_TOPDOWN DRM_MM_SEARCH_BELOW, DRM_MM_CREATE_TOP
+
struct drm_mm_node {
struct list_head node_list;
struct list_head hole_stack;
@@ -186,6 +195,9 @@ static inline unsigned long drm_mm_hole_node_end(struct drm_mm_node *hole_node)
* Implementation Note:
* We need to inline list_for_each_entry in order to be able to set hole_start
* and hole_end on each iteration while keeping the macro sane.
+ *
+ * The __drm_mm_for_each_hole version is similar, but with added support for
+ * going backwards.
*/
#define drm_mm_for_each_hole(entry, mm, hole_start, hole_end) \
for (entry = list_entry((mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
@@ -195,6 +207,14 @@ static inline unsigned long drm_mm_hole_node_end(struct drm_mm_node *hole_node)
1 : 0; \
entry = list_entry(entry->hole_stack.next, struct drm_mm_node, hole_stack))
+#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
+ for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
+ &entry->hole_stack != &(mm)->hole_stack ? \
+ hole_start = drm_mm_hole_node_start(entry), \
+ hole_end = drm_mm_hole_node_end(entry), \
+ 1 : 0; \
+ entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+
/*
* Basic range manager support (drm_mm.c)
*/
@@ -205,7 +225,8 @@ int drm_mm_insert_node_generic(struct drm_mm *mm,
unsigned long size,
unsigned alignment,
unsigned long color,
- enum drm_mm_search_flags flags);
+ enum drm_mm_search_flags sflags,
+ enum drm_mm_allocator_flags aflags);
/**
* drm_mm_insert_node - search for space and insert @node
* @mm: drm_mm to allocate from
@@ -228,7 +249,8 @@ static inline int drm_mm_insert_node(struct drm_mm *mm,
unsigned alignment,
enum drm_mm_search_flags flags)
{
- return drm_mm_insert_node_generic(mm, node, size, alignment, 0, flags);
+ return drm_mm_insert_node_generic(mm, node, size, alignment, 0, flags,
+ DRM_MM_CREATE_DEFAULT);
}
int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
@@ -238,7 +260,8 @@ int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
unsigned long color,
unsigned long start,
unsigned long end,
- enum drm_mm_search_flags flags);
+ enum drm_mm_search_flags sflags,
+ enum drm_mm_allocator_flags aflags);
/**
* drm_mm_insert_node_in_range - ranged search for space and insert @node
* @mm: drm_mm to allocate from
@@ -266,7 +289,8 @@ static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
enum drm_mm_search_flags flags)
{
return drm_mm_insert_node_in_range_generic(mm, node, size, alignment,
- 0, start, end, flags);
+ 0, start, end, flags,
+ DRM_MM_CREATE_DEFAULT);
}
void drm_mm_remove_node(struct drm_mm_node *node);
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 5d8aabe68f6c..a5183da3ef92 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -788,7 +788,7 @@ extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
/**
- * ttm_bo_reserve_nolru:
+ * __ttm_bo_reserve:
*
* @bo: A pointer to a struct ttm_buffer_object.
* @interruptible: Sleep interruptible if waiting.
@@ -809,10 +809,10 @@ extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
* -EALREADY: Bo already reserved using @ticket. This error code will only
* be returned if @use_ticket is set to true.
*/
-static inline int ttm_bo_reserve_nolru(struct ttm_buffer_object *bo,
- bool interruptible,
- bool no_wait, bool use_ticket,
- struct ww_acquire_ctx *ticket)
+static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo,
+ bool interruptible,
+ bool no_wait, bool use_ticket,
+ struct ww_acquire_ctx *ticket)
{
int ret = 0;
@@ -888,8 +888,7 @@ static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
WARN_ON(!atomic_read(&bo->kref.refcount));
- ret = ttm_bo_reserve_nolru(bo, interruptible, no_wait, use_ticket,
- ticket);
+ ret = __ttm_bo_reserve(bo, interruptible, no_wait, use_ticket, ticket);
if (likely(ret == 0))
ttm_bo_del_sub_from_lru(bo);
@@ -929,20 +928,14 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
}
/**
- * ttm_bo_unreserve_ticket
+ * __ttm_bo_unreserve
* @bo: A pointer to a struct ttm_buffer_object.
- * @ticket: ww_acquire_ctx used for reserving
*
- * Unreserve a previous reservation of @bo made with @ticket.
+ * Unreserve a previous reservation of @bo where the buffer object is
+ * already on lru lists.
*/
-static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
- struct ww_acquire_ctx *t)
+static inline void __ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
- spin_lock(&bo->glob->lru_lock);
- ttm_bo_add_to_lru(bo);
- spin_unlock(&bo->glob->lru_lock);
- }
ww_mutex_unlock(&bo->resv->lock);
}
@@ -955,7 +948,25 @@ static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
*/
static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- ttm_bo_unreserve_ticket(bo, NULL);
+ if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
+ spin_lock(&bo->glob->lru_lock);
+ ttm_bo_add_to_lru(bo);
+ spin_unlock(&bo->glob->lru_lock);
+ }
+ __ttm_bo_unreserve(bo);
+}
+
+/**
+ * ttm_bo_unreserve_ticket
+ * @bo: A pointer to a struct ttm_buffer_object.
+ * @ticket: ww_acquire_ctx used for reserving
+ *
+ * Unreserve a previous reservation of @bo made with @ticket.
+ */
+static inline void ttm_bo_unreserve_ticket(struct ttm_buffer_object *bo,
+ struct ww_acquire_ctx *t)
+{
+ ttm_bo_unreserve(bo);
}
/*
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index c84ff153a564..8ed44f9bbdfb 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -65,6 +65,8 @@
* reference the buffer.
* TTM_PL_FLAG_NO_EVICT means that the buffer may never
* be evicted to make room for other buffers.
+ * TTM_PL_FLAG_TOPDOWN requests to be placed from the
+ * top of the memory area, instead of the bottom.
*/
#define TTM_PL_FLAG_CACHED (1 << 16)
@@ -72,6 +74,7 @@
#define TTM_PL_FLAG_WC (1 << 18)
#define TTM_PL_FLAG_SHARED (1 << 20)
#define TTM_PL_FLAG_NO_EVICT (1 << 21)
+#define TTM_PL_FLAG_TOPDOWN (1 << 22)
#define TTM_PL_MASK_CACHING (TTM_PL_FLAG_CACHED | \
TTM_PL_FLAG_UNCACHED | \
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index d3c62074016d..0664c31f010c 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -50,6 +50,7 @@ struct drm_msm_timespec {
#define MSM_PARAM_GPU_ID 0x01
#define MSM_PARAM_GMEM_SIZE 0x02
+#define MSM_PARAM_CHIP_ID 0x03
struct drm_msm_param {
uint32_t pipe; /* in, MSM_PIPE_x */
@@ -69,6 +70,12 @@ struct drm_msm_param {
#define MSM_BO_WC 0x00020000
#define MSM_BO_UNCACHED 0x00040000
+#define MSM_BO_FLAGS (MSM_BO_SCANOUT | \
+ MSM_BO_GPU_READONLY | \
+ MSM_BO_CACHED | \
+ MSM_BO_WC | \
+ MSM_BO_UNCACHED)
+
struct drm_msm_gem_new {
uint64_t size; /* in */
uint32_t flags; /* in, mask of MSM_BO_x */
@@ -85,6 +92,8 @@ struct drm_msm_gem_info {
#define MSM_PREP_WRITE 0x02
#define MSM_PREP_NOSYNC 0x04
+#define MSM_PREP_FLAGS (MSM_PREP_READ | MSM_PREP_WRITE | MSM_PREP_NOSYNC)
+
struct drm_msm_gem_cpu_prep {
uint32_t handle; /* in */
uint32_t op; /* in, mask of MSM_PREP_x */
@@ -152,6 +161,9 @@ struct drm_msm_gem_submit_cmd {
*/
#define MSM_SUBMIT_BO_READ 0x0001
#define MSM_SUBMIT_BO_WRITE 0x0002
+
+#define MSM_SUBMIT_BO_FLAGS (MSM_SUBMIT_BO_READ | MSM_SUBMIT_BO_WRITE)
+
struct drm_msm_gem_submit_bo {
uint32_t flags; /* in, mask of MSM_SUBMIT_BO_x */
uint32_t handle; /* in, GEM handle */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 21:32:37 +0300