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-rw-r--r--libdrm/dri_bufmgr.c4
-rw-r--r--libdrm/dri_bufmgr.h4
-rw-r--r--libdrm/intel/intel_bufmgr_fake.c63
-rw-r--r--libdrm/intel/intel_bufmgr_gem.c2
4 files changed, 43 insertions, 30 deletions
diff --git a/libdrm/dri_bufmgr.c b/libdrm/dri_bufmgr.c
index 7657df61..a6eda3bd 100644
--- a/libdrm/dri_bufmgr.c
+++ b/libdrm/dri_bufmgr.c
@@ -135,7 +135,7 @@ dri_bufmgr_set_debug(dri_bufmgr *bufmgr, int enable_debug)
}
int
-dri_bufmgr_check_aperture_space(dri_bo *bo)
+dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count)
{
- return bo->bufmgr->check_aperture_space(bo);
+ return bo_array[0]->bufmgr->check_aperture_space(bo_array, count);
}
diff --git a/libdrm/dri_bufmgr.h b/libdrm/dri_bufmgr.h
index a5ae6c0f..e67756bb 100644
--- a/libdrm/dri_bufmgr.h
+++ b/libdrm/dri_bufmgr.h
@@ -146,7 +146,7 @@ struct _dri_bufmgr {
void (*post_submit)(dri_bo *batch_buf);
- int (*check_aperture_space)(dri_bo *bo);
+ int (*check_aperture_space)(dri_bo **bo_array, int count);
int debug; /**< Enables verbose debugging printouts */
};
@@ -169,6 +169,6 @@ void dri_bufmgr_destroy(dri_bufmgr *bufmgr);
void *dri_process_relocs(dri_bo *batch_buf);
void dri_post_process_relocs(dri_bo *batch_buf);
void dri_post_submit(dri_bo *batch_buf);
-int dri_bufmgr_check_aperture_space(dri_bo *bo);
+int dri_bufmgr_check_aperture_space(dri_bo **bo_array, int count);
#endif
diff --git a/libdrm/intel/intel_bufmgr_fake.c b/libdrm/intel/intel_bufmgr_fake.c
index e988eb58..63dd9bef 100644
--- a/libdrm/intel/intel_bufmgr_fake.c
+++ b/libdrm/intel/intel_bufmgr_fake.c
@@ -43,6 +43,8 @@
#include "i915_drm.h"
#include "mm.h"
+#define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1))
+
#define DBG(...) do { \
if (bufmgr_fake->bufmgr.debug) \
drmMsg(__VA_ARGS__); \
@@ -147,9 +149,6 @@ typedef struct _bufmgr_fake {
int debug;
int performed_rendering;
-
- /* keep track of the current total size of objects we have relocs for */
- unsigned long current_total_size;
} dri_bufmgr_fake;
typedef struct _dri_bo_fake {
@@ -159,8 +158,8 @@ typedef struct _dri_bo_fake {
const char *name;
unsigned dirty:1;
- unsigned size_accounted:1; /*this buffers size has been accounted against the aperture */
- unsigned card_dirty:1; /* has the card written to this buffer - we make need to copy it back */
+ /** has the card written to this buffer - we make need to copy it back */
+ unsigned card_dirty:1;
unsigned int refcount;
/* Flags may consist of any of the DRM_BO flags, plus
* DRM_BO_NO_BACKING_STORE and BM_NO_FENCE_SUBDATA, which are the first two
@@ -179,6 +178,12 @@ typedef struct _dri_bo_fake {
/** relocation list */
struct fake_buffer_reloc *relocs;
int nr_relocs;
+ /**
+ * Total size of the target_bos of this buffer.
+ *
+ * Used for estimation in check_aperture.
+ */
+ unsigned int child_size;
struct block *block;
void *backing_store;
@@ -189,8 +194,6 @@ typedef struct _dri_bo_fake {
static int clear_fenced(dri_bufmgr_fake *bufmgr_fake,
unsigned int fence_cookie);
-static int dri_fake_check_aperture_space(dri_bo *bo);
-
#define MAXFENCE 0x7fffffff
static int FENCE_LTE( unsigned a, unsigned b )
@@ -855,9 +858,6 @@ dri_fake_bo_validate(dri_bo *bo)
return 0;
}
- /* reset size accounted */
- bo_fake->size_accounted = 0;
-
/* Allocate the card memory */
if (!bo_fake->block && !evict_and_alloc_block(bo)) {
bufmgr_fake->fail = 1;
@@ -941,8 +941,6 @@ dri_fake_emit_reloc(dri_bo *reloc_buf,
assert(reloc_buf);
assert(target_buf);
- assert(target_fake->is_static || target_fake->size_accounted);
-
if (reloc_fake->relocs == NULL) {
reloc_fake->relocs = malloc(sizeof(struct fake_buffer_reloc) *
MAX_RELOCS);
@@ -954,6 +952,9 @@ dri_fake_emit_reloc(dri_bo *reloc_buf,
dri_bo_reference(target_buf);
+ if (!target_fake->is_static)
+ reloc_fake->child_size += ALIGN(target_buf->size, target_fake->alignment);
+
r->target_buf = target_buf;
r->offset = offset;
r->last_target_offset = target_buf->offset;
@@ -1079,7 +1080,6 @@ dri_fake_process_relocs(dri_bo *batch_buf)
assert(ret == 0);
- bufmgr_fake->current_total_size = 0;
return NULL;
}
@@ -1117,26 +1117,39 @@ dri_fake_post_submit(dri_bo *batch_buf)
dri_bo_fake_post_submit(batch_buf);
}
+/**
+ * Return an error if the list of BOs will exceed the aperture size.
+ *
+ * This is a rough guess and likely to fail, as during the validate sequence we
+ * may place a buffer in an inopportune spot early on and then fail to fit
+ * a set smaller than the aperture.
+ */
static int
-dri_fake_check_aperture_space(dri_bo *bo)
+dri_fake_check_aperture_space(dri_bo **bo_array, int count)
{
- dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo->bufmgr;
- dri_bo_fake *bo_fake = (dri_bo_fake *)bo;
- unsigned int sz;
+ dri_bufmgr_fake *bufmgr_fake = (dri_bufmgr_fake *)bo_array[0]->bufmgr;
+ unsigned int sz = 0;
+ int i;
- sz = (bo->size + bo_fake->alignment - 1) & ~(bo_fake->alignment - 1);
+ for (i = 0; i < count; i++) {
+ dri_bo_fake *bo_fake = (dri_bo_fake *)bo_array[i];
- if (bo_fake->size_accounted || bo_fake->is_static)
- return 0;
+ if (bo_fake == NULL)
+ continue;
+
+ if (!bo_fake->is_static)
+ sz += ALIGN(bo_array[i]->size, bo_fake->alignment);
+ sz += bo_fake->child_size;
+ }
- if (bufmgr_fake->current_total_size + sz > bufmgr_fake->size) {
- DBG("check_space: %s bo %d %d overflowed bufmgr size %d\n", bo_fake->name, bo_fake->id, sz, bufmgr_fake->size);
+ if (sz > bufmgr_fake->size) {
+ DBG("check_space: overflowed bufmgr size, %dkb vs %dkb\n",
+ sz / 1024, bufmgr_fake->size / 1024);
return -1;
}
- bufmgr_fake->current_total_size += sz;
- bo_fake->size_accounted = 1;
- DBG("drm_check_space: buf %d, %s %d %d\n", bo_fake->id, bo_fake->name, bo->size, bufmgr_fake->current_total_size);
+ DBG("drm_check_space: sz %dkb vs bufgr %dkb\n", sz / 1024 ,
+ bufmgr_fake->size / 1024);
return 0;
}
diff --git a/libdrm/intel/intel_bufmgr_gem.c b/libdrm/intel/intel_bufmgr_gem.c
index f5732226..48752f2f 100644
--- a/libdrm/intel/intel_bufmgr_gem.c
+++ b/libdrm/intel/intel_bufmgr_gem.c
@@ -873,7 +873,7 @@ intel_bufmgr_gem_enable_reuse(dri_bufmgr *bufmgr)
*
*/
static int
-dri_gem_check_aperture_space(dri_bo *bo)
+dri_gem_check_aperture_space(dri_bo *bo_array, int count)
{
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 06:44:39 +0000