From: Jerome Glisse jglisse@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 jglisse@redhat.com Signed-off-by: Alex Deucher alexander.deucher@amd.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 | 5 +++-- drivers/gpu/drm/radeon/radeon_ring.c | 7 +++++-- 6 files changed, 21 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 f29edbf..0301896 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -638,7 +638,8 @@ 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 09ef486..6559cc4 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -246,7 +246,9 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) radeon_mutex_unlock(&rdev->cs_mutex); return r; } - r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &parser.ib); + ib_chunk = &parser.chunks[parser.chunk_ib_idx]; + r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &parser.ib, + ib_chunk->length_dw * 4); if (r) { DRM_ERROR("Failed to get ib !\n"); radeon_cs_parser_fini(&parser, r); @@ -264,7 +266,6 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) /* Copy the packet into the IB, the parser will read from the * input memory (cached) and write to the IB (which can be * uncached). */ - ib_chunk = &parser.chunks[parser.chunk_ib_idx]; parser.ib->length_dw = ib_chunk->length_dw; r = radeon_cs_parse(&parser); if (r || parser.parser_error) { diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index f6a4fbd..bc844fe 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) { @@ -122,7 +125,7 @@ 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;