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-rw-r--r--libdrm/radeon/Makefile.am2
-rw-r--r--libdrm/radeon/radeon_cs.h33
-rw-r--r--libdrm/radeon/radeon_cs_gem.c103
3 files changed, 82 insertions, 56 deletions
diff --git a/libdrm/radeon/Makefile.am b/libdrm/radeon/Makefile.am
index cc4951a9..d15a266b 100644
--- a/libdrm/radeon/Makefile.am
+++ b/libdrm/radeon/Makefile.am
@@ -29,7 +29,7 @@ AM_CFLAGS = \
$(PTHREADSTUBS_CFLAGS) \
-I$(top_srcdir)/shared-core
-libdrm_radeon_la_LTLIBRARIES = libdrm_radeon.la
+libdrm_radeon_la_LTLIBRARIES = libdrm-radeon.la
libdrm_radeon_ladir = $(libdir)
libdrm_radeon_la_LDFLAGS = -version-number 1:0:0 -no-undefined
libdrm_radeon_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
diff --git a/libdrm/radeon/radeon_cs.h b/libdrm/radeon/radeon_cs.h
index 347e9f35..63f104b6 100644
--- a/libdrm/radeon/radeon_cs.h
+++ b/libdrm/radeon/radeon_cs.h
@@ -37,10 +37,11 @@
struct radeon_cs_reloc {
struct radeon_bo *bo;
- uint32_t soffset;
- uint32_t eoffset;
- uint32_t size;
- uint32_t domains;
+ uint32_t start_offset;
+ uint32_t end_offset;
+ uint32_t read_domain;
+ uint32_t write_domain;
+ uint32_t flags;
};
struct radeon_cs_manager;
@@ -68,9 +69,11 @@ struct radeon_cs_funcs {
int (*cs_write_dword)(struct radeon_cs *cs, uint32_t dword);
int (*cs_write_reloc)(struct radeon_cs *cs,
struct radeon_bo *bo,
- uint32_t soffset,
- uint32_t eoffset,
- uint32_t domains);
+ uint32_t start_offset,
+ uint32_t end_offset,
+ uint32_t read_domain,
+ uint32_t write_domain,
+ uint32_t flags);
int (*cs_begin)(struct radeon_cs *cs,
uint32_t ndw,
const char *file,
@@ -104,11 +107,19 @@ static inline int radeon_cs_write_dword(struct radeon_cs *cs, uint32_t dword)
static inline int radeon_cs_write_reloc(struct radeon_cs *cs,
struct radeon_bo *bo,
- uint32_t soffset,
- uint32_t eoffset,
- uint32_t domains)
+ uint32_t start_offset,
+ uint32_t end_offset,
+ uint32_t read_domain,
+ uint32_t write_domain,
+ uint32_t flags)
{
- return cs->csm->funcs->cs_write_reloc(cs, bo, soffset, eoffset, domains);
+ return cs->csm->funcs->cs_write_reloc(cs,
+ bo,
+ start_offset,
+ end_offset,
+ read_domain,
+ write_domain,
+ flags);
}
static inline int radeon_cs_begin(struct radeon_cs *cs,
diff --git a/libdrm/radeon/radeon_cs_gem.c b/libdrm/radeon/radeon_cs_gem.c
index 6be1728f..f9c9fabb 100644
--- a/libdrm/radeon/radeon_cs_gem.c
+++ b/libdrm/radeon/radeon_cs_gem.c
@@ -43,9 +43,11 @@
#pragma pack(1)
struct cs_reloc_gem {
uint32_t handle;
- uint32_t rdomain;
- uint32_t wdomain;
- uint32_t cnt;
+ uint32_t start_offset;
+ uint32_t end_offset;
+ uint32_t read_domain;
+ uint32_t write_domain;
+ uint32_t flags;
};
#pragma pack()
@@ -125,50 +127,74 @@ static int cs_gem_write_dword(struct radeon_cs *cs, uint32_t dword)
static int cs_gem_write_reloc(struct radeon_cs *cs,
struct radeon_bo *bo,
- uint32_t soffset,
- uint32_t eoffset,
- uint32_t domains)
+ uint32_t start_offset,
+ uint32_t end_offset,
+ uint32_t read_domain,
+ uint32_t write_domain,
+ uint32_t flags)
{
struct cs_gem *csg = (struct cs_gem*)cs;
struct cs_reloc_gem *reloc;
uint32_t idx;
unsigned i;
+ /* check domains */
+ if ((read_domain && write_domain) || (!read_domain && !write_domain)) {
+ /* in one CS a bo can only be in read or write domain but not
+ * in read & write domain at the same sime
+ */
+ return -EINVAL;
+ }
+ if (read_domain == RADEON_GEM_DOMAIN_CPU) {
+ return -EINVAL;
+ }
+ if (write_domain == RADEON_GEM_DOMAIN_CPU) {
+ return -EINVAL;
+ }
/* check reloc window */
- if (eoffset > bo->size) {
+ if (end_offset > bo->size) {
return -EINVAL;
}
- if (soffset > eoffset) {
+ if (start_offset > end_offset) {
return -EINVAL;
}
/* check if bo is already referenced */
for(i = 0; i < cs->crelocs; i++) {
- idx = i * 4;
+ idx = i * 6;
reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
-
if (reloc->handle == bo->handle) {
- /* update start offset and size */
- switch (bo->domains) {
- case RADEON_GEM_DOMAIN_VRAM:
- reloc->rdomain = 0;
- reloc->wdomain = RADEON_GEM_DOMAIN_VRAM;
- break;
- case RADEON_GEM_DOMAIN_GTT:
- reloc->rdomain = RADEON_GEM_DOMAIN_GTT;
- reloc->wdomain = 0;
- break;
- default:
- exit(0);
- break;
+ /* Check domains must be in read or write. As we check already
+ * checked that in argument one of the read or write domain was
+ * set we only need to check that if previous reloc as the read
+ * domain set then the read_domain should also be set for this
+ * new relocation.
+ */
+ if (reloc->read_domain && !read_domain) {
+ return -EINVAL;
+ }
+ if (reloc->write_domain && !write_domain) {
+ return -EINVAL;
+ }
+ reloc->read_domain |= read_domain;
+ reloc->write_domain |= write_domain;
+ /* update start and end offset */
+ if (start_offset < reloc->start_offset) {
+ reloc->start_offset = start_offset;
}
- reloc->cnt++;
+ if (end_offset > reloc->end_offset) {
+ reloc->end_offset = end_offset;
+ }
+ /* update flags */
+ reloc->flags |= (flags & reloc->flags);
+ /* write relocation packet */
cs_gem_write_dword(cs, 0xc0001000);
cs_gem_write_dword(cs, idx);
return 0;
}
}
- /* add bo */
+ /* new relocation */
if (csg->base.crelocs >= csg->nrelocs) {
+ /* allocate more memory (TODO: should use a slab allocatore maybe) */
uint32_t *tmp, size;
size = ((csg->nrelocs + 1) * sizeof(struct radeon_bo*));
tmp = (uint32_t*)realloc(csg->relocs_bo, size);
@@ -176,7 +202,7 @@ static int cs_gem_write_reloc(struct radeon_cs *cs,
return -ENOMEM;
}
csg->relocs_bo = (struct radeon_bo**)tmp;
- size = ((csg->nrelocs + 1) * 4 * 4);
+ size = ((csg->nrelocs + 1) * 6 * 4);
tmp = (uint32_t*)realloc(csg->relocs, size);
if (tmp == NULL) {
return -ENOMEM;
@@ -186,26 +212,15 @@ static int cs_gem_write_reloc(struct radeon_cs *cs,
csg->chunks[1].chunk_data = (uint64_t)(intptr_t)csg->relocs;
}
csg->relocs_bo[csg->base.crelocs] = bo;
- idx = (csg->base.crelocs++) * 4;
+ idx = (csg->base.crelocs++) * 6;
reloc = (struct cs_reloc_gem*)&csg->relocs[idx];
reloc->handle = bo->handle;
- reloc->rdomain = bo->domains;
- reloc->wdomain = bo->domains;
- switch (bo->domains) {
- case RADEON_GEM_DOMAIN_VRAM:
- reloc->rdomain = 0;
- reloc->wdomain = RADEON_GEM_DOMAIN_VRAM;
- break;
- case RADEON_GEM_DOMAIN_GTT:
- reloc->rdomain = RADEON_GEM_DOMAIN_GTT;
- reloc->wdomain = 0;
- break;
- default:
- exit(0);
- break;
- }
- reloc->cnt = 1;
- csg->chunks[1].length_dw += 4;
+ reloc->start_offset = start_offset;
+ reloc->end_offset = end_offset;
+ reloc->read_domain = read_domain;
+ reloc->write_domain = write_domain;
+ reloc->flags = flags;
+ csg->chunks[1].length_dw += 6;
radeon_bo_ref(bo);
cs->relocs_total_size += bo->size;
cs_gem_write_dword(cs, 0xc0001000);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 18:39:54 +0000