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-rw-r--r--linux-core/radeon_gem.c47
-rw-r--r--shared-core/radeon_cs.c52
2 files changed, 74 insertions, 25 deletions
diff --git a/linux-core/radeon_gem.c b/linux-core/radeon_gem.c
index 7899490f..851a95d3 100644
--- a/linux-core/radeon_gem.c
+++ b/linux-core/radeon_gem.c
@@ -1242,21 +1242,58 @@ static int radeon_gem_ib_destroy(struct drm_device *dev)
return 0;
}
+static int radeon_gem_find_reloc(struct drm_radeon_cs_parser *parser,
+ uint32_t offset, uint32_t *handle,
+ uint32_t *read_domains, uint32_t *write_domain)
+{
+ struct drm_device *dev = parser->dev;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_radeon_kernel_chunk *reloc_chunk = &parser->chunks[parser->reloc_index];
+
+ if (!reloc_chunk->kdata)
+ return -EINVAL;
+
+ if (offset > reloc_chunk->length_dw){
+ DRM_ERROR("Offset larger than chunk %d %d\n", offset, reloc_chunk->length_dw);
+ return -EINVAL;
+ }
+
+ *handle = reloc_chunk->kdata[offset];
+ *read_domains = reloc_chunk->kdata[offset + 1];
+ *write_domain = reloc_chunk->kdata[offset + 2];
+ return 0;
+}
+
static int radeon_gem_relocate(struct drm_radeon_cs_parser *parser,
uint32_t *reloc, uint32_t *offset)
{
struct drm_device *dev = parser->dev;
drm_radeon_private_t *dev_priv = dev->dev_private;
/* relocate the handle */
- uint32_t read_domains = reloc[2];
- uint32_t write_domain = reloc[3];
+ uint32_t read_domains, write_domain;
struct drm_gem_object *obj;
int flags = 0;
+ int ret;
struct drm_radeon_gem_object *obj_priv;
- obj = drm_gem_object_lookup(dev, parser->file_priv, reloc[1]);
- if (!obj)
- return -EINVAL;
+ if (parser->reloc_index == -1) {
+ obj = drm_gem_object_lookup(dev, parser->file_priv, reloc[1]);
+ if (!obj)
+ return -EINVAL;
+ read_domains = reloc[2];
+ write_domain = reloc[3];
+ } else {
+ uint32_t handle;
+
+ /* have to lookup handle in other chunk */
+ ret = radeon_gem_find_reloc(parser, reloc[1], &handle, &read_domains, &write_domain);
+ if (ret < 0)
+ return ret;
+
+ obj = drm_gem_object_lookup(dev, parser->file_priv, handle);
+ if (!obj)
+ return -EINVAL;
+ }
obj_priv = obj->driver_private;
radeon_gem_set_domain(obj, read_domains, write_domain, &flags, false);
diff --git a/shared-core/radeon_cs.c b/shared-core/radeon_cs.c
index 14f3dcd9..31cd53db 100644
--- a/shared-core/radeon_cs.c
+++ b/shared-core/radeon_cs.c
@@ -68,6 +68,8 @@ int radeon_cs2_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv)
goto out;
}
+ parser.dev = dev;
+ parser.file_priv = fpriv;
parser.reloc_index = -1;
parser.ib_index = -1;
parser.num_chunks = cs->num_chunks;
@@ -103,24 +105,29 @@ int radeon_cs2_ioctl(struct drm_device *dev, void *data, struct drm_file *fpriv)
parser.chunks[i].chunk_data = (uint32_t *)(unsigned long)user_chunk.chunk_data;
parser.chunks[i].kdata = NULL;
+ size = parser.chunks[i].length_dw * sizeof(uint32_t);
switch(parser.chunks[i].chunk_id) {
- case RADEON_CHUNK_ID_RELOCS:
case RADEON_CHUNK_ID_IB:
- case RADEON_CHUNK_ID_OLD: {
- /* copy from user the relocs chunk */
- int size = parser.chunks[i].length_dw * sizeof(uint32_t);
- parser.chunks[i].kdata = drm_alloc(size, DRM_MEM_DRIVER);
- if (!parser.chunks[i].kdata) {
- r = -ENOMEM;
+ case RADEON_CHUNK_ID_OLD:
+ if (size == 0) {
+ r = -EINVAL;
goto out;
}
-
- if (DRM_COPY_FROM_USER(parser.chunks[i].kdata, parser.chunks[i].chunk_data, size)) {
- r = -EFAULT;
- goto out;
- }
- }
+ case RADEON_CHUNK_ID_RELOCS:
+ if (size) {
+ parser.chunks[i].kdata = drm_alloc(size, DRM_MEM_DRIVER);
+ if (!parser.chunks[i].kdata) {
+ r = -ENOMEM;
+ goto out;
+ }
+
+ if (DRM_COPY_FROM_USER(parser.chunks[i].kdata, parser.chunks[i].chunk_data, size)) {
+ r = -EFAULT;
+ goto out;
+ }
+ } else
+ parser.chunks[i].kdata = NULL;
break;
default:
break;
@@ -266,6 +273,7 @@ static int radeon_nomm_relocate(struct drm_radeon_cs_parser *parser, uint32_t *r
return 0;
}
#define RELOC_SIZE 2
+#define RELOC_SIZE_NEW 0
#define RADEON_2D_OFFSET_MASK 0x3fffff
static __inline__ int radeon_cs_relocate_packet0(struct drm_radeon_cs_parser *parser, uint32_t offset_dw)
@@ -288,9 +296,17 @@ static __inline__ int radeon_cs_relocate_packet0(struct drm_radeon_cs_parser *pa
/* this is too strict we may want to expand the length in the future and have
old kernels ignore it. */
- if (packet3_hdr != (RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE << 16))) {
- DRM_ERROR("Packet 3 was %x should have been %x: reg is %x\n", packet3_hdr, RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE << 16), reg);
- return -EINVAL;
+ if (parser->reloc_index == -1) {
+ if (packet3_hdr != (RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE << 16))) {
+ DRM_ERROR("Packet 3 was %x should have been %x: reg is %x\n", packet3_hdr, RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE << 16), reg);
+ return -EINVAL;
+ }
+ } else {
+ if (packet3_hdr != (RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE_NEW << 16))) {
+ DRM_ERROR("Packet 3 was %x should have been %x: reg is %x\n", packet3_hdr, RADEON_CP_PACKET3 | RADEON_CP_NOP | (RELOC_SIZE_NEW << 16), reg);
+ return -EINVAL;
+
+ }
}
switch(reg) {
@@ -371,9 +387,7 @@ static int radeon_cs_relocate_packet3(struct drm_radeon_cs_parser *parser,
int radeon_cs_packet0(struct drm_radeon_cs_parser *parser, uint32_t offset_dw)
{
- drm_radeon_private_t *dev_priv = parser->dev->dev_private;
uint32_t hdr, num_dw, reg;
- int need_reloc = 0;
int count_dw = 1;
int ret;
@@ -422,8 +436,6 @@ int radeon_cs_packet0(struct drm_radeon_cs_parser *parser, uint32_t offset_dw)
int radeon_cs_parse(struct drm_radeon_cs_parser *parser)
{
- struct drm_device *dev = parser->dev;
- drm_radeon_private_t *dev_priv = parser->dev->dev_private;
volatile int rb;
struct drm_radeon_kernel_chunk *ib_chunk;
/* scan the packet for various things */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 19:03:23 +0000