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authorDave Airlie <airlied@redhat.com>2008-07-28 15:21:13 +1000
committerDave Airlie <airlied@redhat.com>2008-07-28 15:21:13 +1000
commit38835f9cd2b44cfb6587a52ba1bfe292b958d0e1 (patch)
tree1d2696a56974fdf756bb271f2b1e74b030c378f9 /linux-core
parent5282a505b6fd1f0e2bb772b15daf652f7149f370 (diff)
radeon command submission start
take code from Jerome munge into a TTM IB re-use
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/Makefile.kernel2
l---------linux-core/radeon_cs.c1
-rw-r--r--linux-core/radeon_gem.c211
-rw-r--r--linux-core/radeon_reg.h4
4 files changed, 194 insertions, 24 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel
index d3668dfb..404944bf 100644
--- a/linux-core/Makefile.kernel
+++ b/linux-core/Makefile.kernel
@@ -41,7 +41,7 @@ nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
nv50_kms_wrapper.o \
nv50_fbcon.o
radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o radeon_gem.o \
- radeon_buffer.o radeon_fence.o atom.o radeon_display.o radeon_atombios.o radeon_i2c.o radeon_connectors.o \
+ radeon_buffer.o radeon_fence.o atom.o radeon_display.o radeon_atombios.o radeon_i2c.o radeon_connectors.o radeon_cs.o \
atombios_crtc.o radeon_encoders.o radeon_fb.o radeon_combios.o
sis-objs := sis_drv.o sis_mm.o
ffb-objs := ffb_drv.o ffb_context.o
diff --git a/linux-core/radeon_cs.c b/linux-core/radeon_cs.c
new file mode 120000
index 00000000..0e3fa8ee
--- /dev/null
+++ b/linux-core/radeon_cs.c
@@ -0,0 +1 @@
+../shared-core/radeon_cs.c \ No newline at end of file
diff --git a/linux-core/radeon_gem.c b/linux-core/radeon_gem.c
index d536aed2..021bb9f9 100644
--- a/linux-core/radeon_gem.c
+++ b/linux-core/radeon_gem.c
@@ -27,6 +27,9 @@
#include "radeon_drm.h"
#include "radeon_drv.h"
+static int radeon_gem_ib_init(struct drm_device *dev);
+static int radeon_gem_ib_destroy(struct drm_device *dev);
+
int radeon_gem_init_object(struct drm_gem_object *obj)
{
struct drm_radeon_gem_object *obj_priv;
@@ -513,19 +516,19 @@ static int radeon_gart_init(struct drm_device *dev)
ret = drm_buffer_object_create(dev, RADEON_PCIGART_TABLE_SIZE,
drm_bo_type_kernel,
DRM_BO_FLAG_READ | DRM_BO_FLAG_MEM_VRAM | DRM_BO_FLAG_MAPPABLE | DRM_BO_FLAG_NO_EVICT,
- 0, 1, 0, &dev_priv->mm.pcie_table);
+ 0, 1, 0, &dev_priv->mm.pcie_table.bo);
if (ret)
return -EINVAL;
- DRM_DEBUG("pcie table bo created %p, %x\n", dev_priv->mm.pcie_table, dev_priv->mm.pcie_table->offset);
- ret = drm_bo_kmap(dev_priv->mm.pcie_table, 0, RADEON_PCIGART_TABLE_SIZE >> PAGE_SHIFT,
- &dev_priv->mm.pcie_table_map);
+ DRM_DEBUG("pcie table bo created %p, %x\n", dev_priv->mm.pcie_table.bo, dev_priv->mm.pcie_table.bo->offset);
+ ret = drm_bo_kmap(dev_priv->mm.pcie_table.bo, 0, RADEON_PCIGART_TABLE_SIZE >> PAGE_SHIFT,
+ &dev_priv->mm.pcie_table.kmap);
if (ret)
return -EINVAL;
dev_priv->pcigart_offset_set = 2;
- dev_priv->gart_info.bus_addr = dev_priv->fb_location + dev_priv->mm.pcie_table->offset;
- dev_priv->gart_info.addr = dev_priv->mm.pcie_table_map.virtual;
+ dev_priv->gart_info.bus_addr = dev_priv->fb_location + dev_priv->mm.pcie_table.bo->offset;
+ dev_priv->gart_info.addr = dev_priv->mm.pcie_table.kmap.virtual;
dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCIE;
dev_priv->gart_info.gart_table_location = DRM_ATI_GART_FB;
memset(dev_priv->gart_info.addr, 0, RADEON_PCIGART_TABLE_SIZE);
@@ -566,14 +569,14 @@ int radeon_alloc_gart_objects(struct drm_device *dev)
drm_bo_type_kernel,
DRM_BO_FLAG_READ | DRM_BO_FLAG_MEM_TT |
DRM_BO_FLAG_MAPPABLE | DRM_BO_FLAG_NO_EVICT,
- 0, 1, 0, &dev_priv->mm.ring);
+ 0, 1, 0, &dev_priv->mm.ring.bo);
if (ret) {
DRM_ERROR("failed to allocate ring\n");
return -EINVAL;
}
- ret = drm_bo_kmap(dev_priv->mm.ring, 0, RADEON_DEFAULT_RING_SIZE >> PAGE_SHIFT,
- &dev_priv->mm.ring_map);
+ ret = drm_bo_kmap(dev_priv->mm.ring.bo, 0, RADEON_DEFAULT_RING_SIZE >> PAGE_SHIFT,
+ &dev_priv->mm.ring.kmap);
if (ret) {
DRM_ERROR("failed to map ring\n");
return -EINVAL;
@@ -583,24 +586,26 @@ int radeon_alloc_gart_objects(struct drm_device *dev)
drm_bo_type_kernel,
DRM_BO_FLAG_WRITE |DRM_BO_FLAG_READ | DRM_BO_FLAG_MEM_TT |
DRM_BO_FLAG_MAPPABLE | DRM_BO_FLAG_NO_EVICT,
- 0, 1, 0, &dev_priv->mm.ring_read_ptr);
+ 0, 1, 0, &dev_priv->mm.ring_read.bo);
if (ret) {
DRM_ERROR("failed to allocate ring read\n");
return -EINVAL;
}
- ret = drm_bo_kmap(dev_priv->mm.ring_read_ptr, 0,
+ ret = drm_bo_kmap(dev_priv->mm.ring_read.bo, 0,
PAGE_SIZE >> PAGE_SHIFT,
- &dev_priv->mm.ring_read_ptr_map);
+ &dev_priv->mm.ring_read.kmap);
if (ret) {
DRM_ERROR("failed to map ring read\n");
return -EINVAL;
}
DRM_DEBUG("Ring ptr %p mapped at %d %p, read ptr %p maped at %d %p\n",
- dev_priv->mm.ring, dev_priv->mm.ring->offset, dev_priv->mm.ring_map.virtual,
- dev_priv->mm.ring_read_ptr, dev_priv->mm.ring_read_ptr->offset, dev_priv->mm.ring_read_ptr_map.virtual);
+ dev_priv->mm.ring.bo, dev_priv->mm.ring.bo->offset, dev_priv->mm.ring.kmap.virtual,
+ dev_priv->mm.ring_read.bo, dev_priv->mm.ring_read.bo->offset, dev_priv->mm.ring_read.kmap.virtual);
+ /* init the indirect buffers */
+ radeon_gem_ib_init(dev);
return 0;
}
@@ -634,6 +639,8 @@ int radeon_gem_mm_init(struct drm_device *dev)
ret = radeon_alloc_gart_objects(dev);
if (ret)
return -EINVAL;
+
+
return 0;
}
@@ -641,16 +648,19 @@ void radeon_gem_mm_fini(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv = dev->dev_private;
+ radeon_gem_ib_destroy(dev);
+
mutex_lock(&dev->struct_mutex);
- if (dev_priv->mm.ring_read_ptr) {
- drm_bo_kunmap(&dev_priv->mm.ring_read_ptr_map);
- drm_bo_usage_deref_locked(&dev_priv->mm.ring_read_ptr);
+
+ if (dev_priv->mm.ring_read.bo) {
+ drm_bo_kunmap(&dev_priv->mm.ring_read.kmap);
+ drm_bo_usage_deref_locked(&dev_priv->mm.ring_read.bo);
}
- if (dev_priv->mm.ring) {
- drm_bo_kunmap(&dev_priv->mm.ring_map);
- drm_bo_usage_deref_locked(&dev_priv->mm.ring);
+ if (dev_priv->mm.ring.bo) {
+ drm_bo_kunmap(&dev_priv->mm.ring.kmap);
+ drm_bo_usage_deref_locked(&dev_priv->mm.ring.bo);
}
if (drm_bo_clean_mm(dev, DRM_BO_MEM_TT, 1)) {
@@ -658,9 +668,9 @@ void radeon_gem_mm_fini(struct drm_device *dev)
}
if (dev_priv->flags & RADEON_IS_PCIE) {
- if (dev_priv->mm.pcie_table) {
- drm_bo_kunmap(&dev_priv->mm.pcie_table_map);
- drm_bo_usage_deref_locked(&dev_priv->mm.pcie_table);
+ if (dev_priv->mm.pcie_table.bo) {
+ drm_bo_kunmap(&dev_priv->mm.pcie_table.kmap);
+ drm_bo_usage_deref_locked(&dev_priv->mm.pcie_table.bo);
}
}
@@ -685,3 +695,158 @@ int radeon_gem_object_pin(struct drm_gem_object *obj,
return ret;
}
+#define RADEON_IB_MEMORY (1*1024*1024)
+#define RADEON_IB_SIZE (65536)
+
+#define RADEON_NUM_IB (RADEON_IB_MEMORY / RADEON_IB_SIZE)
+
+int radeon_gem_ib_get(struct drm_device *dev, void **ib, uint32_t dwords)
+{
+ int i, index = -1;
+ int ret;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ for (i = 0; i < RADEON_NUM_IB; i++) {
+ if (!(dev_priv->ib_alloc_bitmap & (1 << i))){
+ index = i;
+ break;
+ }
+ }
+
+ /* if all in use we need to wait */
+ if (index == -1) {
+ for (i = 0; i < RADEON_NUM_IB; i++) {
+ if (dev_priv->ib_alloc_bitmap & (1 << i)) {
+ mutex_lock(&dev_priv->ib_objs[i]->bo->mutex);
+ ret = drm_bo_wait(dev_priv->ib_objs[i]->bo, 0, 1, 0, 0);
+ mutex_unlock(&dev_priv->ib_objs[i]->bo->mutex);
+ if (ret)
+ continue;
+ dev_priv->ib_alloc_bitmap &= ~(1 << i);
+ index = i;
+ break;
+ }
+ }
+ }
+
+ if (index == -1) {
+ DRM_ERROR("Major case fail to allocate IB from freelist %x\n", dev_priv->ib_alloc_bitmap);
+ return -EINVAL;
+ }
+
+
+ if (dwords > RADEON_IB_SIZE / sizeof(uint32_t))
+ return -EINVAL;
+
+ *ib = dev_priv->ib_objs[index]->kmap.virtual;
+ dev_priv->ib_alloc_bitmap |= (1 << i);
+ return 0;
+}
+
+static void radeon_gem_ib_free(struct drm_device *dev, void *ib, uint32_t dwords)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ struct drm_fence_object *fence;
+ int ret;
+ int i;
+ RING_LOCALS;
+
+ for (i = 0; i < RADEON_NUM_IB; i++) {
+
+ if (dev_priv->ib_objs[i]->kmap.virtual == ib) {
+ ret = drm_bo_do_validate(dev_priv->ib_objs[i]->bo, 0,
+ DRM_BO_FLAG_NO_EVICT,
+ 0, 0, NULL);
+ if (ret)
+ DRM_ERROR("FAiled to validate\n");
+
+ DRM_DEBUG("validated IB %x, %d\n", dev_priv->ib_objs[i]->bo->offset, dwords);
+ BEGIN_RING(4);
+
+ OUT_RING(CP_PACKET0(RADEON_CP_IB_BASE, 1));
+ OUT_RING(dev_priv->gart_vm_start + dev_priv->ib_objs[i]->bo->offset);
+ OUT_RING(dwords);
+ OUT_RING(CP_PACKET2());
+
+ ADVANCE_RING();
+
+ COMMIT_RING();
+
+ /* emit a fence object */
+ ret = drm_fence_buffer_objects(dev, NULL, 0, NULL, &fence);
+ if (ret) {
+
+ drm_putback_buffer_objects(dev);
+ }
+ /* dereference the fence object */
+ if (fence)
+ drm_fence_usage_deref_unlocked(&fence);
+ }
+ }
+
+}
+
+static int radeon_gem_ib_destroy(struct drm_device *dev)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int i;
+
+ if (dev_priv->ib_objs) {
+ for (i = 0; i < RADEON_NUM_IB; i++) {
+ if (dev_priv->ib_objs[i]) {
+ drm_bo_kunmap(&dev_priv->ib_objs[i]->kmap);
+ drm_bo_usage_deref_unlocked(&dev_priv->ib_objs[i]->bo);
+ }
+ drm_free(dev_priv->ib_objs[i], sizeof(struct radeon_mm_obj), DRM_MEM_DRIVER);
+ }
+ drm_free(dev_priv->ib_objs, RADEON_NUM_IB*sizeof(struct radeon_mm_obj *), DRM_MEM_DRIVER);
+ }
+ dev_priv->ib_objs = NULL;
+ return 0;
+}
+
+/* allocate 1MB of 64k IBs the the kernel can keep mapped */
+static int radeon_gem_ib_init(struct drm_device *dev)
+{
+
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+ int i;
+ int ret;
+
+ dev_priv->ib_objs = drm_calloc(RADEON_NUM_IB, sizeof(struct radeon_mm_obj *), DRM_MEM_DRIVER);
+ if (!dev_priv->ib_objs)
+ goto free_all;
+
+ for (i = 0; i < RADEON_NUM_IB; i++) {
+ dev_priv->ib_objs[i] = drm_calloc(1, sizeof(struct radeon_mm_obj), DRM_MEM_DRIVER);
+ if (!dev_priv->ib_objs[i])
+ goto free_all;
+
+ ret = drm_buffer_object_create(dev, RADEON_IB_SIZE,
+ drm_bo_type_kernel,
+ DRM_BO_FLAG_READ | DRM_BO_FLAG_MEM_TT |
+ DRM_BO_FLAG_MAPPABLE, 0,
+ 0, 0, &dev_priv->ib_objs[i]->bo);
+ if (ret)
+ goto free_all;
+
+ ret = drm_bo_kmap(dev_priv->ib_objs[i]->bo, 0, RADEON_IB_SIZE >> PAGE_SHIFT,
+ &dev_priv->ib_objs[i]->kmap);
+
+ if (ret)
+ goto free_all;
+ }
+
+ dev_priv->ib_alloc_bitmap = 0;
+
+ dev_priv->cs.ib_get = radeon_gem_ib_get;
+ dev_priv->cs.ib_free = radeon_gem_ib_free;
+
+ radeon_cs_init(dev);
+ return 0;
+
+free_all:
+ radeon_gem_ib_destroy(dev);
+ return -ENOMEM;
+}
+
diff --git a/linux-core/radeon_reg.h b/linux-core/radeon_reg.h
index 9b6bf1ec..a5be6a63 100644
--- a/linux-core/radeon_reg.h
+++ b/linux-core/radeon_reg.h
@@ -3086,6 +3086,10 @@
# define RADEON_CSQ_PRIPIO_INDBM (3 << 28)
# define RADEON_CSQ_PRIBM_INDBM (4 << 28)
# define RADEON_CSQ_PRIPIO_INDPIO (15 << 28)
+
+#define R300_CP_RESYNC_ADDR 0x778
+#define R300_CP_RESYNC_DATA 0x77c
+
#define RADEON_CP_CSQ_STAT 0x07f8
# define RADEON_CSQ_RPTR_PRIMARY_MASK (0xff << 0)
# define RADEON_CSQ_WPTR_PRIMARY_MASK (0xff << 8)