diff options
| author | Jerome Glisse <jglisse@redhat.com> | 2011-12-21 12:13:46 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-01-05 10:03:33 +0000 |
| commit | 69e130a6a42270f94e6ee0bce34c3480a6b9da61 (patch) | |
| tree | 025e3a3d94400eb3f6dd15535544d569cc57b5ad /drivers/gpu/drm/radeon/r600_blit_kms.c | |
| parent | 1f2e124df90cfc1347fd301409570fa9b0aed2c9 (diff) | |
drm/radeon: make ib size variable
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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_blit_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_blit_kms.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c index 02a757470291..d996f4381130 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; |