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path: root/drivers/gpu/drm/radeon/radeon_ring.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_ring.c143
1 files changed, 25 insertions, 118 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 60d159308b8..747b4bffb84 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -56,10 +56,12 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib)
set_bit(i, rdev->ib_pool.alloc_bm);
rdev->ib_pool.ibs[i].length_dw = 0;
*ib = &rdev->ib_pool.ibs[i];
+ mutex_unlock(&rdev->ib_pool.mutex);
goto out;
}
if (list_empty(&rdev->ib_pool.scheduled_ibs)) {
/* we go do nothings here */
+ mutex_unlock(&rdev->ib_pool.mutex);
DRM_ERROR("all IB allocated none scheduled.\n");
r = -EINVAL;
goto out;
@@ -69,10 +71,13 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib)
struct radeon_ib, list);
if (nib->fence == NULL) {
/* we go do nothings here */
+ mutex_unlock(&rdev->ib_pool.mutex);
DRM_ERROR("IB %lu scheduled without a fence.\n", nib->idx);
r = -EINVAL;
goto out;
}
+ mutex_unlock(&rdev->ib_pool.mutex);
+
r = radeon_fence_wait(nib->fence, false);
if (r) {
DRM_ERROR("radeon: IB(%lu:0x%016lX:%u)\n", nib->idx,
@@ -81,12 +86,17 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib)
goto out;
}
radeon_fence_unref(&nib->fence);
+
nib->length_dw = 0;
+
+ /* scheduled list is accessed here */
+ mutex_lock(&rdev->ib_pool.mutex);
list_del(&nib->list);
INIT_LIST_HEAD(&nib->list);
+ mutex_unlock(&rdev->ib_pool.mutex);
+
*ib = nib;
out:
- mutex_unlock(&rdev->ib_pool.mutex);
if (r) {
radeon_fence_unref(&fence);
} else {
@@ -111,47 +121,36 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib)
}
list_del(&tmp->list);
INIT_LIST_HEAD(&tmp->list);
- if (tmp->fence) {
+ if (tmp->fence)
radeon_fence_unref(&tmp->fence);
- }
+
tmp->length_dw = 0;
clear_bit(tmp->idx, rdev->ib_pool.alloc_bm);
mutex_unlock(&rdev->ib_pool.mutex);
}
-static void radeon_ib_align(struct radeon_device *rdev, struct radeon_ib *ib)
-{
- while ((ib->length_dw & rdev->cp.align_mask)) {
- ib->ptr[ib->length_dw++] = PACKET2(0);
- }
-}
-
int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib)
{
int r = 0;
- mutex_lock(&rdev->ib_pool.mutex);
- radeon_ib_align(rdev, ib);
if (!ib->length_dw || !rdev->cp.ready) {
/* TODO: Nothings in the ib we should report. */
- mutex_unlock(&rdev->ib_pool.mutex);
DRM_ERROR("radeon: couldn't schedule IB(%lu).\n", ib->idx);
return -EINVAL;
}
+
/* 64 dwords should be enough for fence too */
r = radeon_ring_lock(rdev, 64);
if (r) {
DRM_ERROR("radeon: scheduling IB failled (%d).\n", r);
- mutex_unlock(&rdev->ib_pool.mutex);
return r;
}
- radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
- radeon_ring_write(rdev, ib->gpu_addr);
- radeon_ring_write(rdev, ib->length_dw);
+ radeon_ring_ib_execute(rdev, ib);
radeon_fence_emit(rdev, ib->fence);
- radeon_ring_unlock_commit(rdev);
+ mutex_lock(&rdev->ib_pool.mutex);
list_add_tail(&ib->list, &rdev->ib_pool.scheduled_ibs);
mutex_unlock(&rdev->ib_pool.mutex);
+ radeon_ring_unlock_commit(rdev);
return 0;
}
@@ -162,6 +161,8 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
int i;
int r = 0;
+ if (rdev->ib_pool.robj)
+ return 0;
/* Allocate 1M object buffer */
INIT_LIST_HEAD(&rdev->ib_pool.scheduled_ibs);
r = radeon_object_create(rdev, NULL, RADEON_IB_POOL_SIZE*64*1024,
@@ -215,69 +216,16 @@ void radeon_ib_pool_fini(struct radeon_device *rdev)
mutex_unlock(&rdev->ib_pool.mutex);
}
-int radeon_ib_test(struct radeon_device *rdev)
-{
- struct radeon_ib *ib;
- uint32_t scratch;
- uint32_t tmp = 0;
- unsigned i;
- int r;
-
- r = radeon_scratch_get(rdev, &scratch);
- if (r) {
- DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
- return r;
- }
- WREG32(scratch, 0xCAFEDEAD);
- r = radeon_ib_get(rdev, &ib);
- if (r) {
- return r;
- }
- ib->ptr[0] = PACKET0(scratch, 0);
- ib->ptr[1] = 0xDEADBEEF;
- ib->ptr[2] = PACKET2(0);
- ib->ptr[3] = PACKET2(0);
- ib->ptr[4] = PACKET2(0);
- ib->ptr[5] = PACKET2(0);
- ib->ptr[6] = PACKET2(0);
- ib->ptr[7] = PACKET2(0);
- ib->length_dw = 8;
- r = radeon_ib_schedule(rdev, ib);
- if (r) {
- radeon_scratch_free(rdev, scratch);
- radeon_ib_free(rdev, &ib);
- return r;
- }
- r = radeon_fence_wait(ib->fence, false);
- if (r) {
- return r;
- }
- for (i = 0; i < rdev->usec_timeout; i++) {
- tmp = RREG32(scratch);
- if (tmp == 0xDEADBEEF) {
- break;
- }
- DRM_UDELAY(1);
- }
- if (i < rdev->usec_timeout) {
- DRM_INFO("ib test succeeded in %u usecs\n", i);
- } else {
- DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
- scratch, tmp);
- r = -EINVAL;
- }
- radeon_scratch_free(rdev, scratch);
- radeon_ib_free(rdev, &ib);
- return r;
-}
-
/*
* Ring.
*/
void radeon_ring_free_size(struct radeon_device *rdev)
{
- rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
+ if (rdev->family >= CHIP_R600)
+ rdev->cp.rptr = RREG32(R600_CP_RB_RPTR);
+ else
+ rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
/* This works because ring_size is a power of 2 */
rdev->cp.ring_free_dw = (rdev->cp.rptr + (rdev->cp.ring_size / 4));
rdev->cp.ring_free_dw -= rdev->cp.wptr;
@@ -320,11 +268,10 @@ void radeon_ring_unlock_commit(struct radeon_device *rdev)
count_dw_pad = (rdev->cp.align_mask + 1) -
(rdev->cp.wptr & rdev->cp.align_mask);
for (i = 0; i < count_dw_pad; i++) {
- radeon_ring_write(rdev, PACKET2(0));
+ radeon_ring_write(rdev, 2 << 30);
}
DRM_MEMORYBARRIER();
- WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
- (void)RREG32(RADEON_CP_RB_WPTR);
+ radeon_cp_commit(rdev);
mutex_unlock(&rdev->cp.mutex);
}
@@ -334,46 +281,6 @@ void radeon_ring_unlock_undo(struct radeon_device *rdev)
mutex_unlock(&rdev->cp.mutex);
}
-int radeon_ring_test(struct radeon_device *rdev)
-{
- uint32_t scratch;
- uint32_t tmp = 0;
- unsigned i;
- int r;
-
- r = radeon_scratch_get(rdev, &scratch);
- if (r) {
- DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
- return r;
- }
- WREG32(scratch, 0xCAFEDEAD);
- r = radeon_ring_lock(rdev, 2);
- if (r) {
- DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
- radeon_scratch_free(rdev, scratch);
- return r;
- }
- radeon_ring_write(rdev, PACKET0(scratch, 0));
- radeon_ring_write(rdev, 0xDEADBEEF);
- radeon_ring_unlock_commit(rdev);
- for (i = 0; i < rdev->usec_timeout; i++) {
- tmp = RREG32(scratch);
- if (tmp == 0xDEADBEEF) {
- break;
- }
- DRM_UDELAY(1);
- }
- if (i < rdev->usec_timeout) {
- DRM_INFO("ring test succeeded in %d usecs\n", i);
- } else {
- DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
- scratch, tmp);
- r = -EINVAL;
- }
- radeon_scratch_free(rdev, scratch);
- return r;
-}
-
int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size)
{
int r;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-23 13:57:19 +0000