From: Jerome Glisse <jgli...@redhat.com>
This avoid to waste ib pool size and avoid a bunch of wait for
previous ib to finish.
Signed-off-by: Jerome Glisse <jgli...@redhat.com>
---
drivers/gpu/drm/radeon/r100.c | 2 +-
drivers/gpu/drm/radeon/r600.c | 2 +-
drivers/gpu/drm/radeon/r600_blit_kms.c | 16 +++++++++-------
drivers/gpu/drm/radeon/radeon.h | 3 ++-
drivers/gpu/drm/radeon/radeon_cs.c | 6 ++++--
drivers/gpu/drm/radeon/radeon_ring.c | 7 +++++--
6 files changed, 22 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 657040b..947ba22 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3708,7 +3708,7 @@ int r100_ib_test(struct radeon_device *rdev)
return r;
}
WREG32(scratch, 0xCAFEDEAD);
- r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib);
+ r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, 256);
if (r) {
return r;
}
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 951566f..4f08e5e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2711,7 +2711,7 @@ int r600_ib_test(struct radeon_device *rdev, int ring)
return r;
}
WREG32(scratch, 0xCAFEDEAD);
- r = radeon_ib_get(rdev, ring, &ib);
+ r = radeon_ib_get(rdev, ring, &ib, 256);
if (r) {
DRM_ERROR("radeon: failed to get ib (%d).\n", r);
return r;
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c
b/drivers/gpu/drm/radeon/r600_blit_kms.c
index 02a7574..d996f43 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -619,16 +619,17 @@ void r600_blit_fini(struct radeon_device *rdev)
radeon_bo_unref(&rdev->r600_blit.shader_obj);
}
-static int r600_vb_ib_get(struct radeon_device *rdev)
+static int r600_vb_ib_get(struct radeon_device *rdev, unsigned size)
{
int r;
- r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX,
&rdev->r600_blit.vb_ib);
+ r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX,
+ &rdev->r600_blit.vb_ib, size);
if (r) {
DRM_ERROR("failed to get IB for vertex buffer\n");
return r;
}
- rdev->r600_blit.vb_total = 64*1024;
+ rdev->r600_blit.vb_total = size;
rdev->r600_blit.vb_used = 0;
return 0;
}
@@ -693,10 +694,6 @@ int r600_blit_prepare_copy(struct radeon_device *rdev,
unsigned num_gpu_pages)
int num_loops = 0;
int dwords_per_loop = rdev->r600_blit.ring_size_per_loop;
- r = r600_vb_ib_get(rdev);
- if (r)
- return r;
-
/* num loops */
while (num_gpu_pages) {
num_gpu_pages -=
@@ -705,6 +702,11 @@ int r600_blit_prepare_copy(struct radeon_device *rdev,
unsigned num_gpu_pages)
num_loops++;
}
+ /* 48 bytes for vertex per loop */
+ r = r600_vb_ib_get(rdev, (num_loops*48)+256);
+ if (r)
+ return r;
+
/* calculate number of loops correctly */
ring_size = num_loops * dwords_per_loop;
ring_size += rdev->r600_blit.ring_size_common;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 6673f19..8cb6a58 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -713,7 +713,8 @@ struct r600_blit {
void r600_blit_suspend(struct radeon_device *rdev);
-int radeon_ib_get(struct radeon_device *rdev, int ring, struct radeon_ib **ib);
+int radeon_ib_get(struct radeon_device *rdev, int ring,
+ struct radeon_ib **ib, unsigned size);
void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib);
int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib);
int radeon_ib_pool_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c
b/drivers/gpu/drm/radeon/radeon_cs.c
index b3bbf37..fdfc31b 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -288,7 +288,8 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
* input memory (cached) and write to the IB (which can be
* uncached).
*/
- r = radeon_ib_get(rdev, parser->ring, &parser->ib);
+ r = radeon_ib_get(rdev, parser->ring, &parser->ib,
+ ib_chunk->length_dw * 4);
if (r) {
DRM_ERROR("Failed to get ib !\n");
return r;
@@ -348,7 +349,8 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
DRM_ERROR("cs IB too big: %d\n", ib_chunk->length_dw);
return -EINVAL;
}
- r = radeon_ib_get(rdev, parser->ring, &parser->ib);
+ r = radeon_ib_get(rdev, parser->ring, &parser->ib,
+ ib_chunk->length_dw * 4);
if (r) {
DRM_ERROR("Failed to get ib !\n");
return r;
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c
b/drivers/gpu/drm/radeon/radeon_ring.c
index db05c4c..5f9edea 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -93,13 +93,16 @@ static bool radeon_ib_try_free(struct radeon_device *rdev,
return done;
}
-int radeon_ib_get(struct radeon_device *rdev, int ring, struct radeon_ib **ib)
+int radeon_ib_get(struct radeon_device *rdev, int ring,
+ struct radeon_ib **ib, unsigned size)
{
struct radeon_fence *fence;
unsigned cretry = 0;
int r = 0, i, idx;
*ib = NULL;
+ /* align size on 256 bytes */
+ size = ALIGN(size, 256);
r = radeon_fence_create(rdev, &fence, ring);
if (r) {
@@ -121,7 +124,7 @@ retry:
if (rdev->ib_pool.ibs[idx].fence == NULL) {
r = radeon_sa_bo_new(rdev, &rdev->ib_pool.sa_manager,
&rdev->ib_pool.ibs[idx].sa_bo,
- 64*1024, 64);
+ size, 256);
if (!r) {
*ib = &rdev->ib_pool.ibs[idx];
(*ib)->ptr = rdev->ib_pool.sa_manager.cpu_ptr;
--
1.7.7.1
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