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-rw-r--r--libdrm/xf86drm.c135
-rw-r--r--libdrm/xf86mm.h105
-rw-r--r--linux-core/drmP.h3
-rw-r--r--linux-core/drm_bo.c30
-rw-r--r--linux-core/drm_ttm.c5
-rw-r--r--linux-core/i915_drv.c3
-rw-r--r--linux-core/i915_fence.c2
-rw-r--r--shared-core/drm.h3
-rw-r--r--shared-core/i915_dma.c3
-rw-r--r--shared-core/i915_irq.c6
10 files changed, 283 insertions, 12 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 3731ee12..6de6c06f 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -65,6 +65,8 @@
# define _DRM_FREE free
# include "drm.h"
#endif
+#include "xf86mm.h"
+
/* Not all systems have MAP_FAILED defined */
#ifndef MAP_FAILED
@@ -2384,7 +2386,7 @@ int drmTTMCreate(int fd, drmTTM *ttm, unsigned long size, unsigned flags)
int drmTTMDestroy(int fd, const drmTTM *ttm)
{
- drm_ttm_arg_t arg;
+ drm_ttm_arg_t arg;
arg.op = drm_ttm_destroy;
arg.handle = ttm->handle;
@@ -2425,4 +2427,135 @@ drm_handle_t drmTTMMapHandle(int fd, const drmTTM *ttm)
(void) fd;
return ttm->user_token;
}
+
+static int drmAdjustListNodes(DrmBufList *list)
+{
+ DrmBufNode *node;
+ DrmMMListHead *l;
+ int ret = 0;
+
+ while(list->numCurrent < list->numTarget) {
+ node = (DrmBufNode *) malloc(sizeof(*node));
+ if (!node) {
+ ret = -ENOMEM;
+ break;
+ }
+ list->numCurrent++;
+ DRMLISTADD(&node->head, &list->free);
+ }
+
+ while(list->numCurrent > list->numTarget) {
+ l = list->free.next;
+ if (l == &list->free)
+ break;
+ DRMLISTDEL(l);
+ node = DRMLISTENTRY(DrmBufNode, l, head);
+ free(node);
+ list->numCurrent--;
+ }
+ return ret;
+}
+
+static void drmFreeList(DrmBufList *list)
+{
+ DrmBufNode *node;
+ DrmMMListHead *l;
+ int ret = 0;
+
+ l = list->list.next;
+ while(l != &list->list) {
+ DRMLISTDEL(l);
+ node = DRMLISTENTRY(DrmBufNode, l, head);
+ free(node);
+ l = list->free.next;
+ list->numCurrent--;
+ list->numOnList--;
+ }
+
+ l = list->free.next;
+ while(l != &list->free) {
+ DRMLISTDEL(l);
+ node = DRMLISTENTRY(DrmBufNode, l, head);
+ free(node);
+ l = list->free.next;
+ list->numCurrent--;
+ }
+}
+
+int drmResetList(DrmBufList *list) {
+
+ DrmMMListHead *l;
+ int ret;
+
+ ret = drmAdjustListNodes(list);
+ if (ret)
+ return ret;
+
+ l = list->list.next;
+ while(l != &list->list) {
+ DRMLISTDEL(l);
+ DRMLISTADD(l, &list->free);
+ list->numOnList--;
+ }
+ return drmAdjustListNodes(list);
+}
+
+static int drmAddListItem(DrmBufList *list, DrmBuf *item, drm_bo_arg_t *arg)
+{
+ DrmBufNode *node;
+ DrmMMListHead *l;
+
+ l = list->free.next;
+ if (l == &list->free) {
+ node = (DrmBufNode *) malloc(sizeof(*node));
+ if (!node) {
+ return -ENOMEM;
+ }
+ list->numCurrent++;
+ } else {
+ DRMLISTDEL(l);
+ node = DRMLISTENTRY(DrmBufNode, l, head);
+ }
+ node->buf = item;
+ DRMLISTADD(&node->head, &list->list);
+ list->numOnList++;
+ return 0;
+}
+
+int drmCreateBufList(int numTarget, DrmBufList *list)
+{
+ DRMINITLISTHEAD(&list->list);
+ DRMINITLISTHEAD(&list->free);
+ list->numTarget = numTarget;
+ list->numCurrent = 0;
+ list->numOnList = 0;
+ return drmAdjustListNodes(list);
+}
+
+/*
+ * Prepare list for IOCTL submission.
+ */
+
+static drm_bo_arg_t *drmPrepareList(DrmBufList *list)
+{
+ DrmMMListHead *cur, *next;
+ DrmBufNode *first, *curNode, *nextNode;
+
+ cur = list->list.next;
+ if (cur == &list->list)
+ return NULL;
+
+ first = DRMLISTENTRY(DrmBufNode, cur, head);
+ curNode = DRMLISTENTRY(DrmBufNode, cur, head);
+
+ for (next = cur->next; next != &list->list;
+ cur = next, next = cur->next) {
+ nextNode = DRMLISTENTRY(DrmBufNode, next, head);
+ curNode->bo_arg.req.next = ((unsigned long) &nextNode->bo_arg.req);
+ curNode = nextNode;
+ }
+ curNode->bo_arg.req.next = 0;
+ return &first->bo_arg;
+}
+
#endif
diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h
new file mode 100644
index 00000000..5fb78723
--- /dev/null
+++ b/libdrm/xf86mm.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+ *
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+
+#ifndef _XF86MM_H_
+#define _XF86MM_H_
+#include <stddef.h>
+
+
+/*
+ * List macros heavily inspired by the Linux kernel
+ * list handling. No list looping yet.
+ */
+
+typedef struct _drmMMListHead
+{
+ struct _drmMMListHead *prev;
+ struct _drmMMListHead *next;
+} DrmMMListHead;
+
+#define DRMINITLISTHEAD(__item) \
+ do{ \
+ (__item)->prev = (__item); \
+ (__item)->next = (__item); \
+ } while (0)
+
+#define DRMLISTADD(__item, __list) \
+ do { \
+ (__item)->prev = (__list); \
+ (__item)->next = (__list)->next; \
+ (__list)->next->prev = (__item); \
+ (__list)->next = (__item); \
+ } while (0)
+
+#define DRMLISTADDTAIL(__item, __list) \
+ do { \
+ (__item)->next = (__list); \
+ (__item)->prev = (__list)->prev; \
+ (__list)->prev->next = (__item); \
+ (__list)->prev = (__item); \
+ } while(0)
+
+#define DRMLISTDEL(__item) \
+ do { \
+ (__item)->prev->next = (__item)->next; \
+ (__item)->next->prev = (__item)->prev; \
+ } while(0)
+
+#define DRMLISTDELINIT(__item) \
+ do { \
+ (__item)->prev->next = (__item)->next; \
+ (__item)->next->prev = (__item)->prev; \
+ (__item)->next = (__item); \
+ (__item)->prev = (__item); \
+ } while(0)
+
+#define DRMLISTENTRY(__type, __item, __field) \
+ ((__type *)(((char *) (__item)) - offsetof(__type, __field)))
+
+
+typedef struct _DrmBuf{
+ unsigned handle;
+} DrmBuf;
+
+
+typedef struct _DrmBufNode {
+ DrmMMListHead head;
+ DrmBuf *buf;
+ drm_bo_arg_t bo_arg;
+} DrmBufNode;
+
+typedef struct _DrmMMBufList {
+ unsigned numTarget;
+ unsigned numCurrent;
+ unsigned numOnList;
+ DrmMMListHead list;
+ DrmMMListHead free;
+} DrmBufList;
+
+
+#endif
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 81b7a1b6..4d490abe 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -652,7 +652,8 @@ typedef struct drm_ref_object {
*/
typedef struct drm_bo_driver{
- int cached_pages;
+ int cached_tt;
+ int cached_vram;
drm_ttm_backend_t *(*create_ttm_backend_entry)
(struct drm_device *dev, int cached);
} drm_bo_driver_t;
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 30656060..55901660 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -214,7 +214,8 @@ static void drm_bo_base_deref_locked(drm_file_t *priv, drm_user_object_t *uo)
}
-static int drm_bo_new_flags(uint32_t flags, uint32_t new_mask, uint32_t hint,
+static int drm_bo_new_flags(drm_bo_driver_t *driver,
+ uint32_t flags, uint32_t new_mask, uint32_t hint,
int init, uint32_t *n_flags)
{
uint32_t new_flags;
@@ -263,6 +264,24 @@ static int drm_bo_new_flags(uint32_t flags, uint32_t new_mask, uint32_t hint,
}
new_flags |= new_mask & ~DRM_BO_MASK_MEM;
+
+ if (hint & DRM_BO_HINT_BIND_CACHED) {
+ new_flags |= DRM_BO_FLAG_CACHED;
+ if (((new_flags & DRM_BO_FLAG_MEM_TT) && !driver->cached_tt) ||
+ ((new_flags & DRM_BO_FLAG_MEM_VRAM) && !driver->cached_vram))
+ new_flags &= ~DRM_BO_FLAG_CACHED;
+ }
+
+ if ((new_flags & DRM_BO_FLAG_NO_EVICT) &&
+ ((flags ^ new_flags) & DRM_BO_FLAG_CACHED)) {
+ if (flags & DRM_BO_FLAG_CACHED) {
+ DRM_ERROR("Cannot change caching policy of pinned buffer\n");
+ return -EINVAL;
+ } else {
+ new_flags &= ~DRM_BO_FLAG_CACHED;
+ }
+ }
+
*n_flags = new_flags;
return 0;
}
@@ -531,11 +550,12 @@ static int drm_buffer_object_validate(drm_device_t *dev, drm_buffer_object_t *bo
return 0;
}
+
/*
* Call bo->mutex locked.
*/
-static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t new_flags,
+static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t hint,
uint32_t ttm_handle)
{
@@ -578,7 +598,7 @@ static int drm_bo_add_ttm(drm_file_t *priv, drm_buffer_object_t *bo, uint32_t ne
ttm = drm_ttm_from_object(to);
ret = drm_create_ttm_region(ttm, bo->buffer_start >> PAGE_SHIFT,
bo->num_pages,
- new_flags & DRM_BO_FLAG_CACHED,
+ hint & DRM_BO_HINT_BIND_CACHED,
&bo->ttm_region);
if (ret) {
drm_ttm_object_deref_unlocked(dev, to);
@@ -631,6 +651,10 @@ int drm_buffer_object_create(drm_file_t *priv,
bo->num_pages = num_pages;
bo->buffer_start = buffer_start;
+ ret = drm_bo_new_flags(dev->driver->bo_driver, bo->flags, mask, hint,
+ 1, &new_flags);
+ if (ret)
+ goto out_err;
ret = drm_bo_add_ttm(priv, bo, new_flags, ttm_handle);
if (ret)
goto out_err;
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c
index e111070e..65d40344 100644
--- a/linux-core/drm_ttm.c
+++ b/linux-core/drm_ttm.c
@@ -202,10 +202,11 @@ int drm_destroy_ttm(drm_ttm_t * ttm)
if (atomic_read(&ttm->vma_count) > 0) {
ttm->destroy = 1;
- DRM_DEBUG("VMAs are still alive. Skipping destruction.\n");
+ DRM_ERROR("VMAs are still alive. Skipping destruction.\n");
return -EBUSY;
}
+ DRM_ERROR("Destroying a ttm\n");
if (ttm->be_list) {
list_for_each_safe(list, next, &ttm->be_list->head) {
drm_ttm_backend_list_t *entry =
@@ -479,6 +480,7 @@ void drm_destroy_ttm_region(drm_ttm_backend_list_t * entry)
uint32_t *cur_page_flags;
int i;
+ DRM_ERROR("Destroying a TTM region\n");
list_del_init(&entry->head);
drm_unbind_ttm_region(entry);
@@ -800,7 +802,6 @@ void drm_ttm_object_deref_unlocked(drm_device_t *dev, drm_ttm_object_t *to)
*/
static void drm_ttm_user_deref_locked(drm_file_t *priv, drm_user_object_t *base)
{
- DRM_ERROR("User deref ttm\n");
drm_ttm_object_deref_locked(priv->head->dev,
drm_user_object_entry(base, drm_ttm_object_t,
base));
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 64ab3f50..bc78dc2e 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -49,7 +49,8 @@ static drm_fence_driver_t i915_fence_driver = {
};
static drm_bo_driver_t i915_bo_driver = {
- .cached_pages = 1,
+ .cached_vram = 0,
+ .cached_tt = 1,
.create_ttm_backend_entry = i915_create_ttm_backend_entry
};
diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c
index 46a2a728..452d4ee8 100644
--- a/linux-core/i915_fence.c
+++ b/linux-core/i915_fence.c
@@ -86,6 +86,8 @@ static void i915_perform_flush(drm_device_t * dev)
dev_priv->flush_sequence = (uint32_t) READ_BREADCRUMB(dev_priv);
dev_priv->flush_flags = fm->pending_flush;
dev_priv->saved_flush_status = READ_HWSP(dev_priv, 0);
+ DRM_ERROR("Saved flush status is 0x%08x\n",
+ dev_priv->saved_flush_status);
I915_WRITE(I915REG_INSTPM, (1 << 5) | (1 << 21));
dev_priv->flush_pending = 1;
fm->pending_flush = 0;
diff --git a/shared-core/drm.h b/shared-core/drm.h
index e50ebfe2..5888c9be 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -685,7 +685,7 @@ typedef struct drm_ttm_arg {
#define DRM_BO_FLAG_NO_MOVE 0x00000008
#define DRM_BO_FLAG_NO_EVICT 0x00000010
#define DRM_BO_FLAG_SHADOW_VRAM 0x00000020
-#define DRM_BO_FLAG_READ_LOCAL 0x00000040
+#define DRM_BO_FLAG_READ_CACHED 0x00000040
#define DRM_BO_FLAG_CACHED 0x00000080
#define DRM_BO_FLAG_SHAREABLE 0x00000100
@@ -697,6 +697,7 @@ typedef struct drm_ttm_arg {
#define DRM_BO_HINT_PREFER_VRAM 0x00000001
#define DRM_BO_HINT_AVOID_LOCAL 0x00000002
#define DRM_BO_HINT_DONT_BLOCK 0x00000004
+#define DRM_BO_HINT_BIND_CACHED 0x00000008
typedef enum {
drm_bo_type_ttm,
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 8ef9d8e1..e661269b 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -195,9 +195,6 @@ static int i915_initialize(drm_device_t * dev,
I915_WRITE(0x02080, dev_priv->dma_status_page);
DRM_DEBUG("Enabled hardware status page\n");
-#ifdef I915_HAVE_FENCE
- dev_priv->saved_flush_status = READ_HWSP(dev_priv, 0);
-#endif
dev->dev_private = (void *)dev_priv;
return 0;
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index 08d3140b..4195555e 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -275,6 +275,12 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
i915_enable_interrupt(dev);
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+
+ /*
+ * Initialize the hardware status page IRQ location.
+ */
+
+ I915_WRITE(I915REG_INSTPM, ( 1 << 5) | ( 1 << 21));
}
void i915_driver_irq_uninstall(drm_device_t * dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 18:13:49 +0000