On Thu, Jul 31, 2014 at 7:44 AM, Christian König deathsimple@vodafone.de wrote:
From: Christian König christian.koenig@amd.com
Both on their own are complex enough.
Signed-off-by: Christian König christian.koenig@amd.com
Applied to my 3.17 tree.
Alex
drivers/gpu/drm/radeon/Makefile | 2 +- drivers/gpu/drm/radeon/radeon_ib.c | 319 +++++++++++++++++++++++++++++++++++ drivers/gpu/drm/radeon/radeon_ring.c | 287 ------------------------------- 3 files changed, 320 insertions(+), 288 deletions(-) create mode 100644 drivers/gpu/drm/radeon/radeon_ib.c
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile index 1b04002..0013ad0 100644 --- a/drivers/gpu/drm/radeon/Makefile +++ b/drivers/gpu/drm/radeon/Makefile @@ -80,7 +80,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \ r600_dpm.o rs780_dpm.o rv6xx_dpm.o rv770_dpm.o rv730_dpm.o rv740_dpm.o \ rv770_smc.o cypress_dpm.o btc_dpm.o sumo_dpm.o sumo_smc.o trinity_dpm.o \ trinity_smc.o ni_dpm.o si_smc.o si_dpm.o kv_smc.o kv_dpm.o ci_smc.o \
ci_dpm.o dce6_afmt.o radeon_vm.o radeon_ucode.o
ci_dpm.o dce6_afmt.o radeon_vm.o radeon_ucode.o radeon_ib.o
# add async DMA block radeon-y += \ diff --git a/drivers/gpu/drm/radeon/radeon_ib.c b/drivers/gpu/drm/radeon/radeon_ib.c new file mode 100644 index 0000000..65b0c21 --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_ib.c @@ -0,0 +1,319 @@ +/*
- Copyright 2008 Advanced Micro Devices, Inc.
- Copyright 2008 Red Hat Inc.
- Copyright 2009 Jerome Glisse.
- Permission is hereby granted, free of charge, to any person obtaining a
- copy of this software and associated documentation files (the "Software"),
- to deal in the Software without restriction, including without limitation
- the rights to use, copy, modify, merge, publish, distribute, sublicense,
- and/or sell copies of the Software, and to permit persons to whom the
- Software is furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- OTHER DEALINGS IN THE SOFTWARE.
- Authors: Dave Airlie
Alex Deucher
Jerome Glisse
Christian König
- */
+#include <drm/drmP.h> +#include "radeon.h"
+/*
- IB
- IBs (Indirect Buffers) and areas of GPU accessible memory where
- commands are stored. You can put a pointer to the IB in the
- command ring and the hw will fetch the commands from the IB
- and execute them. Generally userspace acceleration drivers
- produce command buffers which are send to the kernel and
- put in IBs for execution by the requested ring.
- */
+static int radeon_debugfs_sa_init(struct radeon_device *rdev);
+/**
- radeon_ib_get - request an IB (Indirect Buffer)
- @rdev: radeon_device pointer
- @ring: ring index the IB is associated with
- @ib: IB object returned
- @size: requested IB size
- Request an IB (all asics). IBs are allocated using the
- suballocator.
- Returns 0 on success, error on failure.
- */
+int radeon_ib_get(struct radeon_device *rdev, int ring,
struct radeon_ib *ib, struct radeon_vm *vm,
unsigned size)
+{
int r;
r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, &ib->sa_bo, size, 256);
if (r) {
dev_err(rdev->dev, "failed to get a new IB (%d)\n", r);
return r;
}
r = radeon_semaphore_create(rdev, &ib->semaphore);
if (r) {
return r;
}
ib->ring = ring;
ib->fence = NULL;
ib->ptr = radeon_sa_bo_cpu_addr(ib->sa_bo);
ib->vm = vm;
if (vm) {
/* ib pool is bound at RADEON_VA_IB_OFFSET in virtual address
* space and soffset is the offset inside the pool bo
*/
ib->gpu_addr = ib->sa_bo->soffset + RADEON_VA_IB_OFFSET;
} else {
ib->gpu_addr = radeon_sa_bo_gpu_addr(ib->sa_bo);
}
ib->is_const_ib = false;
return 0;
+}
+/**
- radeon_ib_free - free an IB (Indirect Buffer)
- @rdev: radeon_device pointer
- @ib: IB object to free
- Free an IB (all asics).
- */
+void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib) +{
radeon_semaphore_free(rdev, &ib->semaphore, ib->fence);
radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence);
radeon_fence_unref(&ib->fence);
+}
+/**
- radeon_ib_schedule - schedule an IB (Indirect Buffer) on the ring
- @rdev: radeon_device pointer
- @ib: IB object to schedule
- @const_ib: Const IB to schedule (SI only)
- Schedule an IB on the associated ring (all asics).
- Returns 0 on success, error on failure.
- On SI, there are two parallel engines fed from the primary ring,
- the CE (Constant Engine) and the DE (Drawing Engine). Since
- resource descriptors have moved to memory, the CE allows you to
- prime the caches while the DE is updating register state so that
- the resource descriptors will be already in cache when the draw is
- processed. To accomplish this, the userspace driver submits two
- IBs, one for the CE and one for the DE. If there is a CE IB (called
- a CONST_IB), it will be put on the ring prior to the DE IB. Prior
- to SI there was just a DE IB.
- */
+int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
struct radeon_ib *const_ib)
+{
struct radeon_ring *ring = &rdev->ring[ib->ring];
int r = 0;
if (!ib->length_dw || !ring->ready) {
/* TODO: Nothings in the ib we should report. */
dev_err(rdev->dev, "couldn't schedule ib\n");
return -EINVAL;
}
/* 64 dwords should be enough for fence too */
r = radeon_ring_lock(rdev, ring, 64 + RADEON_NUM_SYNCS * 8);
if (r) {
dev_err(rdev->dev, "scheduling IB failed (%d).\n", r);
return r;
}
/* grab a vm id if necessary */
if (ib->vm) {
struct radeon_fence *vm_id_fence;
vm_id_fence = radeon_vm_grab_id(rdev, ib->vm, ib->ring);
radeon_semaphore_sync_to(ib->semaphore, vm_id_fence);
}
/* sync with other rings */
r = radeon_semaphore_sync_rings(rdev, ib->semaphore, ib->ring);
if (r) {
dev_err(rdev->dev, "failed to sync rings (%d)\n", r);
radeon_ring_unlock_undo(rdev, ring);
return r;
}
if (ib->vm)
radeon_vm_flush(rdev, ib->vm, ib->ring);
if (const_ib) {
radeon_ring_ib_execute(rdev, const_ib->ring, const_ib);
radeon_semaphore_free(rdev, &const_ib->semaphore, NULL);
}
radeon_ring_ib_execute(rdev, ib->ring, ib);
r = radeon_fence_emit(rdev, &ib->fence, ib->ring);
if (r) {
dev_err(rdev->dev, "failed to emit fence for new IB (%d)\n", r);
radeon_ring_unlock_undo(rdev, ring);
return r;
}
if (const_ib) {
const_ib->fence = radeon_fence_ref(ib->fence);
}
if (ib->vm)
radeon_vm_fence(rdev, ib->vm, ib->fence);
radeon_ring_unlock_commit(rdev, ring);
return 0;
+}
+/**
- radeon_ib_pool_init - Init the IB (Indirect Buffer) pool
- @rdev: radeon_device pointer
- Initialize the suballocator to manage a pool of memory
- for use as IBs (all asics).
- Returns 0 on success, error on failure.
- */
+int radeon_ib_pool_init(struct radeon_device *rdev) +{
int r;
if (rdev->ib_pool_ready) {
return 0;
}
if (rdev->family >= CHIP_BONAIRE) {
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT,
RADEON_GEM_GTT_WC);
} else {
/* Before CIK, it's better to stick to cacheable GTT due
* to the command stream checking
*/
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT, 0);
}
if (r) {
return r;
}
r = radeon_sa_bo_manager_start(rdev, &rdev->ring_tmp_bo);
if (r) {
return r;
}
rdev->ib_pool_ready = true;
if (radeon_debugfs_sa_init(rdev)) {
dev_err(rdev->dev, "failed to register debugfs file for SA\n");
}
return 0;
+}
+/**
- radeon_ib_pool_fini - Free the IB (Indirect Buffer) pool
- @rdev: radeon_device pointer
- Tear down the suballocator managing the pool of memory
- for use as IBs (all asics).
- */
+void radeon_ib_pool_fini(struct radeon_device *rdev) +{
if (rdev->ib_pool_ready) {
radeon_sa_bo_manager_suspend(rdev, &rdev->ring_tmp_bo);
radeon_sa_bo_manager_fini(rdev, &rdev->ring_tmp_bo);
rdev->ib_pool_ready = false;
}
+}
+/**
- radeon_ib_ring_tests - test IBs on the rings
- @rdev: radeon_device pointer
- Test an IB (Indirect Buffer) on each ring.
- If the test fails, disable the ring.
- Returns 0 on success, error if the primary GFX ring
- IB test fails.
- */
+int radeon_ib_ring_tests(struct radeon_device *rdev) +{
unsigned i;
int r;
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
struct radeon_ring *ring = &rdev->ring[i];
if (!ring->ready)
continue;
r = radeon_ib_test(rdev, i, ring);
if (r) {
ring->ready = false;
rdev->needs_reset = false;
if (i == RADEON_RING_TYPE_GFX_INDEX) {
/* oh, oh, that's really bad */
DRM_ERROR("radeon: failed testing IB on GFX ring (%d).\n", r);
rdev->accel_working = false;
return r;
} else {
/* still not good, but we can live with it */
DRM_ERROR("radeon: failed testing IB on ring %d (%d).\n", i, r);
}
}
}
return 0;
+}
+/*
- Debugfs info
- */
+#if defined(CONFIG_DEBUG_FS)
+static int radeon_debugfs_sa_info(struct seq_file *m, void *data) +{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
radeon_sa_bo_dump_debug_info(&rdev->ring_tmp_bo, m);
return 0;
+}
+static struct drm_info_list radeon_debugfs_sa_list[] = {
{"radeon_sa_info", &radeon_debugfs_sa_info, 0, NULL},
+};
+#endif
+static int radeon_debugfs_sa_init(struct radeon_device *rdev) +{ +#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, radeon_debugfs_sa_list, 1);
+#else
return 0;
+#endif +} diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 20b0e4f..9c86ac9 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -26,270 +26,8 @@
Jerome Glisse
Christian König
*/ -#include <linux/seq_file.h> -#include <linux/slab.h> #include <drm/drmP.h> -#include <drm/radeon_drm.h> -#include "radeon_reg.h" #include "radeon.h" -#include "atom.h"
-/*
- IB
- IBs (Indirect Buffers) and areas of GPU accessible memory where
- commands are stored. You can put a pointer to the IB in the
- command ring and the hw will fetch the commands from the IB
- and execute them. Generally userspace acceleration drivers
- produce command buffers which are send to the kernel and
- put in IBs for execution by the requested ring.
- */
-static int radeon_debugfs_sa_init(struct radeon_device *rdev);
-/**
- radeon_ib_get - request an IB (Indirect Buffer)
- @rdev: radeon_device pointer
- @ring: ring index the IB is associated with
- @ib: IB object returned
- @size: requested IB size
- Request an IB (all asics). IBs are allocated using the
- suballocator.
- Returns 0 on success, error on failure.
- */
-int radeon_ib_get(struct radeon_device *rdev, int ring,
struct radeon_ib *ib, struct radeon_vm *vm,
unsigned size)
-{
int r;
r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, &ib->sa_bo, size, 256);
if (r) {
dev_err(rdev->dev, "failed to get a new IB (%d)\n", r);
return r;
}
r = radeon_semaphore_create(rdev, &ib->semaphore);
if (r) {
return r;
}
ib->ring = ring;
ib->fence = NULL;
ib->ptr = radeon_sa_bo_cpu_addr(ib->sa_bo);
ib->vm = vm;
if (vm) {
/* ib pool is bound at RADEON_VA_IB_OFFSET in virtual address
* space and soffset is the offset inside the pool bo
*/
ib->gpu_addr = ib->sa_bo->soffset + RADEON_VA_IB_OFFSET;
} else {
ib->gpu_addr = radeon_sa_bo_gpu_addr(ib->sa_bo);
}
ib->is_const_ib = false;
return 0;
-}
-/**
- radeon_ib_free - free an IB (Indirect Buffer)
- @rdev: radeon_device pointer
- @ib: IB object to free
- Free an IB (all asics).
- */
-void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib) -{
radeon_semaphore_free(rdev, &ib->semaphore, ib->fence);
radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence);
radeon_fence_unref(&ib->fence);
-}
-/**
- radeon_ib_schedule - schedule an IB (Indirect Buffer) on the ring
- @rdev: radeon_device pointer
- @ib: IB object to schedule
- @const_ib: Const IB to schedule (SI only)
- Schedule an IB on the associated ring (all asics).
- Returns 0 on success, error on failure.
- On SI, there are two parallel engines fed from the primary ring,
- the CE (Constant Engine) and the DE (Drawing Engine). Since
- resource descriptors have moved to memory, the CE allows you to
- prime the caches while the DE is updating register state so that
- the resource descriptors will be already in cache when the draw is
- processed. To accomplish this, the userspace driver submits two
- IBs, one for the CE and one for the DE. If there is a CE IB (called
- a CONST_IB), it will be put on the ring prior to the DE IB. Prior
- to SI there was just a DE IB.
- */
-int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
struct radeon_ib *const_ib)
-{
struct radeon_ring *ring = &rdev->ring[ib->ring];
int r = 0;
if (!ib->length_dw || !ring->ready) {
/* TODO: Nothings in the ib we should report. */
dev_err(rdev->dev, "couldn't schedule ib\n");
return -EINVAL;
}
/* 64 dwords should be enough for fence too */
r = radeon_ring_lock(rdev, ring, 64 + RADEON_NUM_SYNCS * 8);
if (r) {
dev_err(rdev->dev, "scheduling IB failed (%d).\n", r);
return r;
}
/* grab a vm id if necessary */
if (ib->vm) {
struct radeon_fence *vm_id_fence;
vm_id_fence = radeon_vm_grab_id(rdev, ib->vm, ib->ring);
radeon_semaphore_sync_to(ib->semaphore, vm_id_fence);
}
/* sync with other rings */
r = radeon_semaphore_sync_rings(rdev, ib->semaphore, ib->ring);
if (r) {
dev_err(rdev->dev, "failed to sync rings (%d)\n", r);
radeon_ring_unlock_undo(rdev, ring);
return r;
}
if (ib->vm)
radeon_vm_flush(rdev, ib->vm, ib->ring);
if (const_ib) {
radeon_ring_ib_execute(rdev, const_ib->ring, const_ib);
radeon_semaphore_free(rdev, &const_ib->semaphore, NULL);
}
radeon_ring_ib_execute(rdev, ib->ring, ib);
r = radeon_fence_emit(rdev, &ib->fence, ib->ring);
if (r) {
dev_err(rdev->dev, "failed to emit fence for new IB (%d)\n", r);
radeon_ring_unlock_undo(rdev, ring);
return r;
}
if (const_ib) {
const_ib->fence = radeon_fence_ref(ib->fence);
}
if (ib->vm)
radeon_vm_fence(rdev, ib->vm, ib->fence);
radeon_ring_unlock_commit(rdev, ring);
return 0;
-}
-/**
- radeon_ib_pool_init - Init the IB (Indirect Buffer) pool
- @rdev: radeon_device pointer
- Initialize the suballocator to manage a pool of memory
- for use as IBs (all asics).
- Returns 0 on success, error on failure.
- */
-int radeon_ib_pool_init(struct radeon_device *rdev) -{
int r;
if (rdev->ib_pool_ready) {
return 0;
}
if (rdev->family >= CHIP_BONAIRE) {
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT,
RADEON_GEM_GTT_WC);
} else {
/* Before CIK, it's better to stick to cacheable GTT due
* to the command stream checking
*/
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT, 0);
}
if (r) {
return r;
}
r = radeon_sa_bo_manager_start(rdev, &rdev->ring_tmp_bo);
if (r) {
return r;
}
rdev->ib_pool_ready = true;
if (radeon_debugfs_sa_init(rdev)) {
dev_err(rdev->dev, "failed to register debugfs file for SA\n");
}
return 0;
-}
-/**
- radeon_ib_pool_fini - Free the IB (Indirect Buffer) pool
- @rdev: radeon_device pointer
- Tear down the suballocator managing the pool of memory
- for use as IBs (all asics).
- */
-void radeon_ib_pool_fini(struct radeon_device *rdev) -{
if (rdev->ib_pool_ready) {
radeon_sa_bo_manager_suspend(rdev, &rdev->ring_tmp_bo);
radeon_sa_bo_manager_fini(rdev, &rdev->ring_tmp_bo);
rdev->ib_pool_ready = false;
}
-}
-/**
- radeon_ib_ring_tests - test IBs on the rings
- @rdev: radeon_device pointer
- Test an IB (Indirect Buffer) on each ring.
- If the test fails, disable the ring.
- Returns 0 on success, error if the primary GFX ring
- IB test fails.
- */
-int radeon_ib_ring_tests(struct radeon_device *rdev) -{
unsigned i;
int r;
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
struct radeon_ring *ring = &rdev->ring[i];
if (!ring->ready)
continue;
r = radeon_ib_test(rdev, i, ring);
if (r) {
ring->ready = false;
rdev->needs_reset = false;
if (i == RADEON_RING_TYPE_GFX_INDEX) {
/* oh, oh, that's really bad */
DRM_ERROR("radeon: failed testing IB on GFX ring (%d).\n", r);
rdev->accel_working = false;
return r;
} else {
/* still not good, but we can live with it */
DRM_ERROR("radeon: failed testing IB on ring %d (%d).\n", i, r);
}
}
}
return 0;
-}
/*
- Rings
@@ -805,22 +543,6 @@ static struct drm_info_list radeon_debugfs_ring_info_list[] = { {"radeon_ring_vce2", radeon_debugfs_ring_info, 0, &si_vce2_index}, };
-static int radeon_debugfs_sa_info(struct seq_file *m, void *data) -{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
radeon_sa_bo_dump_debug_info(&rdev->ring_tmp_bo, m);
return 0;
-}
-static struct drm_info_list radeon_debugfs_sa_list[] = {
{"radeon_sa_info", &radeon_debugfs_sa_info, 0, NULL},
-};
#endif
static int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ring *ring) @@ -842,12 +564,3 @@ static int radeon_debugfs_ring_init(struct radeon_device *rdev, struct radeon_ri #endif return 0; }
-static int radeon_debugfs_sa_init(struct radeon_device *rdev) -{ -#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, radeon_debugfs_sa_list, 1);
-#else
return 0;
-#endif
-}
1.9.1