[PATCH 18/19] drm/radeon: remove r600 blit mutex v2
Christian König
deathsimple at vodafone.de
Wed May 9 06:35:01 PDT 2012
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 at 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 478b51e..00b2238 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);
/*
--
1.7.9.5
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