Mesa (master): gallium/radeon: clean up (domain, flags) <-> (slab heap) translations
Marek Olšák
mareko at kemper.freedesktop.org
Tue Jul 4 13:41:06 UTC 2017
Module: Mesa
Branch: master
Commit: 64e5577cac5113063bc4d97e1f46fbc2cdaef27f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=64e5577cac5113063bc4d97e1f46fbc2cdaef27f
Author: Marek Olšák <marek.olsak at amd.com>
Date: Thu Jun 29 18:01:16 2017 +0200
gallium/radeon: clean up (domain, flags) <-> (slab heap) translations
This is cleaner, and we are down to 4 slabs.
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
src/gallium/drivers/radeon/radeon_winsys.h | 62 +++++++++++++++++++++++
src/gallium/winsys/amdgpu/drm/amdgpu_bo.c | 43 +++-------------
src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c | 2 +-
src/gallium/winsys/radeon/drm/radeon_drm_bo.c | 44 +++-------------
src/gallium/winsys/radeon/drm/radeon_drm_winsys.c | 2 +-
5 files changed, 79 insertions(+), 74 deletions(-)
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index 1be94f71e8..95543bb208 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -658,4 +658,66 @@ static inline void radeon_emit_array(struct radeon_winsys_cs *cs,
cs->current.cdw += count;
}
+enum radeon_heap {
+ RADEON_HEAP_VRAM,
+ RADEON_HEAP_VRAM_GTT, /* combined heaps */
+ RADEON_HEAP_GTT_WC,
+ RADEON_HEAP_GTT,
+ RADEON_MAX_SLAB_HEAPS,
+};
+
+static inline enum radeon_bo_domain radeon_domain_from_heap(enum radeon_heap heap)
+{
+ switch (heap) {
+ case RADEON_HEAP_VRAM:
+ return RADEON_DOMAIN_VRAM;
+ case RADEON_HEAP_VRAM_GTT:
+ return RADEON_DOMAIN_VRAM_GTT;
+ case RADEON_HEAP_GTT_WC:
+ case RADEON_HEAP_GTT:
+ return RADEON_DOMAIN_GTT;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+static inline unsigned radeon_flags_from_heap(enum radeon_heap heap)
+{
+ switch (heap) {
+ case RADEON_HEAP_VRAM:
+ case RADEON_HEAP_VRAM_GTT:
+ case RADEON_HEAP_GTT_WC:
+ return RADEON_FLAG_GTT_WC;
+ case RADEON_HEAP_GTT:
+ default:
+ return 0;
+ }
+}
+
+/* Return the heap index for winsys allocators, or -1 on failure. */
+static inline int radeon_get_heap_index(enum radeon_bo_domain domain,
+ enum radeon_bo_flag flags)
+{
+ /* VRAM implies WC (write combining) */
+ assert(!(domain & RADEON_DOMAIN_VRAM) || flags & RADEON_FLAG_GTT_WC);
+
+ /* Unsupported flags: NO_CPU_ACCESS, NO_SUBALLOC, SPARSE. */
+ if (flags & ~RADEON_FLAG_GTT_WC)
+ return -1;
+
+ switch (domain) {
+ case RADEON_DOMAIN_VRAM:
+ return RADEON_HEAP_VRAM;
+ case RADEON_DOMAIN_VRAM_GTT:
+ return RADEON_HEAP_VRAM_GTT;
+ case RADEON_DOMAIN_GTT:
+ if (flags & RADEON_FLAG_GTT_WC)
+ return RADEON_HEAP_GTT_WC;
+ else
+ return RADEON_HEAP_GTT;
+ }
+ return -1;
+}
+
#endif
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
index 9736f44a61..d99081c436 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_bo.c
@@ -495,29 +495,13 @@ struct pb_slab *amdgpu_bo_slab_alloc(void *priv, unsigned heap,
{
struct amdgpu_winsys *ws = priv;
struct amdgpu_slab *slab = CALLOC_STRUCT(amdgpu_slab);
- enum radeon_bo_domain domains;
- enum radeon_bo_flag flags = 0;
+ enum radeon_bo_domain domains = radeon_domain_from_heap(heap);
+ enum radeon_bo_flag flags = radeon_flags_from_heap(heap);
uint32_t base_id;
if (!slab)
return NULL;
- if (heap & 1)
- flags |= RADEON_FLAG_GTT_WC;
-
- switch (heap >> 2) {
- case 0:
- domains = RADEON_DOMAIN_VRAM;
- break;
- default:
- case 1:
- domains = RADEON_DOMAIN_VRAM_GTT;
- break;
- case 2:
- domains = RADEON_DOMAIN_GTT;
- break;
- }
-
slab->buffer = amdgpu_winsys_bo(amdgpu_bo_create(&ws->base,
64 * 1024, 64 * 1024,
domains, flags));
@@ -1151,32 +1135,19 @@ amdgpu_bo_create(struct radeon_winsys *rws,
struct amdgpu_winsys_bo *bo;
unsigned usage = 0, pb_cache_bucket;
+ /* VRAM implies WC. This is not optional. */
+ assert(!(domain & RADEON_DOMAIN_VRAM) || flags & RADEON_FLAG_GTT_WC);
+
/* Sub-allocate small buffers from slabs. */
if (!(flags & (RADEON_FLAG_NO_SUBALLOC | RADEON_FLAG_SPARSE)) &&
size <= (1 << AMDGPU_SLAB_MAX_SIZE_LOG2) &&
alignment <= MAX2(1 << AMDGPU_SLAB_MIN_SIZE_LOG2, util_next_power_of_two(size))) {
struct pb_slab_entry *entry;
- unsigned heap = 0;
+ int heap = radeon_get_heap_index(domain, flags);
- if (flags & RADEON_FLAG_GTT_WC)
- heap |= 1;
- if (flags & ~RADEON_FLAG_GTT_WC)
+ if (heap < 0 || heap >= RADEON_MAX_SLAB_HEAPS)
goto no_slab;
- switch (domain) {
- case RADEON_DOMAIN_VRAM:
- heap |= 0 * 4;
- break;
- case RADEON_DOMAIN_VRAM_GTT:
- heap |= 1 * 4;
- break;
- case RADEON_DOMAIN_GTT:
- heap |= 2 * 4;
- break;
- default:
- goto no_slab;
- }
-
entry = pb_slab_alloc(&ws->bo_slabs, size, heap);
if (!entry) {
/* Clear the cache and try again. */
diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
index 2148c496d7..ef7b04aa5f 100644
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
@@ -287,7 +287,7 @@ amdgpu_winsys_create(int fd, unsigned flags,
if (!pb_slabs_init(&ws->bo_slabs,
AMDGPU_SLAB_MIN_SIZE_LOG2, AMDGPU_SLAB_MAX_SIZE_LOG2,
- 12, /* number of heaps (domain/flags combinations) */
+ RADEON_MAX_SLAB_HEAPS,
ws,
amdgpu_bo_can_reclaim_slab,
amdgpu_bo_slab_alloc,
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 283860d7a8..c516df05d8 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -729,29 +729,13 @@ struct pb_slab *radeon_bo_slab_alloc(void *priv, unsigned heap,
{
struct radeon_drm_winsys *ws = priv;
struct radeon_slab *slab = CALLOC_STRUCT(radeon_slab);
- enum radeon_bo_domain domains;
- enum radeon_bo_flag flags = 0;
+ enum radeon_bo_domain domains = radeon_domain_from_heap(heap);
+ enum radeon_bo_flag flags = radeon_flags_from_heap(heap);
unsigned base_hash;
if (!slab)
return NULL;
- if (heap & 1)
- flags |= RADEON_FLAG_GTT_WC;
-
- switch (heap >> 2) {
- case 0:
- domains = RADEON_DOMAIN_VRAM;
- break;
- default:
- case 1:
- domains = RADEON_DOMAIN_VRAM_GTT;
- break;
- case 2:
- domains = RADEON_DOMAIN_GTT;
- break;
- }
-
slab->buffer = radeon_bo(radeon_winsys_bo_create(&ws->base,
64 * 1024, 64 * 1024,
domains, flags));
@@ -938,33 +922,21 @@ radeon_winsys_bo_create(struct radeon_winsys *rws,
if (size > UINT_MAX)
return NULL;
+ /* VRAM implies WC. This is not optional. */
+ if (domain & RADEON_DOMAIN_VRAM)
+ flags |= RADEON_FLAG_GTT_WC;
+
/* Sub-allocate small buffers from slabs. */
if (!(flags & RADEON_FLAG_NO_SUBALLOC) &&
size <= (1 << RADEON_SLAB_MAX_SIZE_LOG2) &&
ws->info.has_virtual_memory &&
alignment <= MAX2(1 << RADEON_SLAB_MIN_SIZE_LOG2, util_next_power_of_two(size))) {
struct pb_slab_entry *entry;
- unsigned heap = 0;
+ int heap = radeon_get_heap_index(domain, flags);
- if (flags & RADEON_FLAG_GTT_WC)
- heap |= 1;
- if (flags & ~RADEON_FLAG_GTT_WC)
+ if (heap < 0 || heap >= RADEON_MAX_SLAB_HEAPS)
goto no_slab;
- switch (domain) {
- case RADEON_DOMAIN_VRAM:
- heap |= 0 * 4;
- break;
- case RADEON_DOMAIN_VRAM_GTT:
- heap |= 1 * 4;
- break;
- case RADEON_DOMAIN_GTT:
- heap |= 2 * 4;
- break;
- default:
- goto no_slab;
- }
-
entry = pb_slab_alloc(&ws->bo_slabs, size, heap);
if (!entry) {
/* Clear the cache and try again. */
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 8e43b68b22..ad1db3c388 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -776,7 +776,7 @@ radeon_drm_winsys_create(int fd, unsigned flags,
*/
if (!pb_slabs_init(&ws->bo_slabs,
RADEON_SLAB_MIN_SIZE_LOG2, RADEON_SLAB_MAX_SIZE_LOG2,
- 12,
+ RADEON_MAX_SLAB_HEAPS,
ws,
radeon_bo_can_reclaim_slab,
radeon_bo_slab_alloc,
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