If we don't store local data into global variables it isn't necessary to lock anything.
v2: rebased on new SA interface
Signed-off-by: Christian König deathsimple@vodafone.de --- drivers/gpu/drm/radeon/evergreen_blit_kms.c | 1 - drivers/gpu/drm/radeon/r600.c | 13 +--- drivers/gpu/drm/radeon/r600_blit_kms.c | 99 +++++++++++---------------- drivers/gpu/drm/radeon/radeon.h | 3 - drivers/gpu/drm/radeon/radeon_asic.h | 9 ++- 5 files changed, 50 insertions(+), 75 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index 222acd2..30f0480 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -637,7 +637,6 @@ int evergreen_blit_init(struct radeon_device *rdev) if (rdev->r600_blit.shader_obj) goto done;
- mutex_init(&rdev->r600_blit.mutex); rdev->r600_blit.state_offset = 0;
if (rdev->family < CHIP_CAYMAN) diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 0ae2d2d..9d6009a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2363,20 +2363,15 @@ int r600_copy_blit(struct radeon_device *rdev, unsigned num_gpu_pages, struct radeon_fence *fence) { + struct radeon_sa_bo *vb = NULL; int r;
- mutex_lock(&rdev->r600_blit.mutex); - rdev->r600_blit.vb_ib = NULL; - r = r600_blit_prepare_copy(rdev, num_gpu_pages); + r = r600_blit_prepare_copy(rdev, num_gpu_pages, &vb); if (r) { - if (rdev->r600_blit.vb_ib) - radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); - mutex_unlock(&rdev->r600_blit.mutex); return r; } - r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages); - r600_blit_done_copy(rdev, fence); - mutex_unlock(&rdev->r600_blit.mutex); + r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages, vb); + r600_blit_done_copy(rdev, fence, vb); return 0; }
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c index db38f58..ef20822 100644 --- a/drivers/gpu/drm/radeon/r600_blit_kms.c +++ b/drivers/gpu/drm/radeon/r600_blit_kms.c @@ -513,7 +513,6 @@ int r600_blit_init(struct radeon_device *rdev) rdev->r600_blit.primitives.set_default_state = set_default_state;
rdev->r600_blit.ring_size_common = 40; /* shaders + def state */ - rdev->r600_blit.ring_size_common += 16; /* fence emit for VB IB */ rdev->r600_blit.ring_size_common += 5; /* done copy */ rdev->r600_blit.ring_size_common += 16; /* fence emit for done copy */
@@ -528,7 +527,6 @@ int r600_blit_init(struct radeon_device *rdev) if (rdev->r600_blit.shader_obj) goto done;
- mutex_init(&rdev->r600_blit.mutex); rdev->r600_blit.state_offset = 0;
if (rdev->family >= CHIP_RV770) @@ -621,27 +619,6 @@ 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, unsigned size) -{ - int r; - 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 = size; - rdev->r600_blit.vb_used = 0; - return 0; -} - -static void r600_vb_ib_put(struct radeon_device *rdev) -{ - radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence); - radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); -} - static unsigned r600_blit_create_rect(unsigned num_gpu_pages, int *width, int *height, int max_dim) { @@ -688,7 +665,8 @@ static unsigned r600_blit_create_rect(unsigned num_gpu_pages, }
-int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages) +int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages, + struct radeon_sa_bo **vb) { struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r; @@ -705,46 +683,54 @@ int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages) }
/* 48 bytes for vertex per loop */ - r = r600_vb_ib_get(rdev, (num_loops*48)+256); - if (r) + r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, vb, + (num_loops*48)+256, 256, true); + if (r) { return r; + }
/* calculate number of loops correctly */ ring_size = num_loops * dwords_per_loop; ring_size += rdev->r600_blit.ring_size_common; r = radeon_ring_lock(rdev, ring, ring_size); - if (r) + if (r) { + radeon_sa_bo_free(rdev, vb, NULL); return r; + }
rdev->r600_blit.primitives.set_default_state(rdev); rdev->r600_blit.primitives.set_shaders(rdev); return 0; }
-void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence) +void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence, + struct radeon_sa_bo *vb) { + struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; int r;
- if (rdev->r600_blit.vb_ib) - r600_vb_ib_put(rdev); - - if (fence) - r = radeon_fence_emit(rdev, fence); + r = radeon_fence_emit(rdev, fence); + if (r) { + radeon_ring_unlock_undo(rdev, ring); + return; + }
- radeon_ring_unlock_commit(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]); + radeon_ring_unlock_commit(rdev, ring); + radeon_sa_bo_free(rdev, &vb, fence); }
void r600_kms_blit_copy(struct radeon_device *rdev, u64 src_gpu_addr, u64 dst_gpu_addr, - unsigned num_gpu_pages) + unsigned num_gpu_pages, + struct radeon_sa_bo *vb) { u64 vb_gpu_addr; - u32 *vb; + u32 *vb_cpu_addr;
- DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", - src_gpu_addr, dst_gpu_addr, - num_gpu_pages, rdev->r600_blit.vb_used); - vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used); + DRM_DEBUG("emitting copy %16llx %16llx %d\n", + src_gpu_addr, dst_gpu_addr, num_gpu_pages); + vb_cpu_addr = (u32 *)radeon_sa_bo_cpu_addr(vb); + vb_gpu_addr = radeon_sa_bo_gpu_addr(vb);
while (num_gpu_pages) { int w, h; @@ -756,39 +742,34 @@ void r600_kms_blit_copy(struct radeon_device *rdev, size_in_bytes = pages_per_loop * RADEON_GPU_PAGE_SIZE; DRM_DEBUG("rectangle w=%d h=%d\n", w, h);
- if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) { - WARN_ON(1); - } - - vb[0] = 0; - vb[1] = 0; - vb[2] = 0; - vb[3] = 0; + vb_cpu_addr[0] = 0; + vb_cpu_addr[1] = 0; + vb_cpu_addr[2] = 0; + vb_cpu_addr[3] = 0;
- vb[4] = 0; - vb[5] = i2f(h); - vb[6] = 0; - vb[7] = i2f(h); + vb_cpu_addr[4] = 0; + vb_cpu_addr[5] = i2f(h); + vb_cpu_addr[6] = 0; + vb_cpu_addr[7] = i2f(h);
- vb[8] = i2f(w); - vb[9] = i2f(h); - vb[10] = i2f(w); - vb[11] = i2f(h); + vb_cpu_addr[8] = i2f(w); + vb_cpu_addr[9] = i2f(h); + vb_cpu_addr[10] = i2f(w); + vb_cpu_addr[11] = i2f(h);
rdev->r600_blit.primitives.set_tex_resource(rdev, FMT_8_8_8_8, w, h, w, src_gpu_addr, size_in_bytes); rdev->r600_blit.primitives.set_render_target(rdev, COLOR_8_8_8_8, w, h, dst_gpu_addr); rdev->r600_blit.primitives.set_scissors(rdev, 0, 0, w, h); - vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used; rdev->r600_blit.primitives.set_vtx_resource(rdev, vb_gpu_addr); rdev->r600_blit.primitives.draw_auto(rdev); rdev->r600_blit.primitives.cp_set_surface_sync(rdev, PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA, size_in_bytes, dst_gpu_addr);
- vb += 12; - rdev->r600_blit.vb_used += 4*12; + vb_cpu_addr += 12; + vb_gpu_addr += 4*12; src_gpu_addr += size_in_bytes; dst_gpu_addr += size_in_bytes; num_gpu_pages -= pages_per_loop; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 9507be0..659855a 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -743,7 +743,6 @@ struct r600_blit_cp_primitives { };
struct r600_blit { - struct mutex mutex; struct radeon_bo *shader_obj; struct r600_blit_cp_primitives primitives; int max_dim; @@ -753,8 +752,6 @@ struct r600_blit { u32 vs_offset, ps_offset; u32 state_offset; u32 state_len; - u32 vb_used, vb_total; - struct radeon_ib *vb_ib; };
void r600_blit_suspend(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 7830931..05a4e15 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -368,11 +368,14 @@ void r600_hdmi_init(struct drm_encoder *encoder); int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder); void r600_hdmi_update_audio_settings(struct drm_encoder *encoder); /* r600 blit */ -int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages); -void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence); +int r600_blit_prepare_copy(struct radeon_device *rdev, unsigned num_gpu_pages, + struct radeon_sa_bo **vb); +void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence, + struct radeon_sa_bo *vb); void r600_kms_blit_copy(struct radeon_device *rdev, u64 src_gpu_addr, u64 dst_gpu_addr, - unsigned num_gpu_pages); + unsigned num_gpu_pages, + struct radeon_sa_bo *vb); int r600_mc_wait_for_idle(struct radeon_device *rdev);
/*