[Mesa-dev] [PATCH] winsys/radeon: enable IB submission to compute rings
Christian König
deathsimple at vodafone.de
Mon May 21 08:51:52 PDT 2012
This allows to submit things to the compute only
rings on cayman+
Signed-off-by: Christian König <deathsimple at vodafone.de>
---
src/gallium/winsys/radeon/drm/radeon_drm_cs.c | 15 +++++++++++----
src/gallium/winsys/radeon/drm/radeon_drm_cs.h | 2 +-
src/gallium/winsys/radeon/drm/radeon_winsys.h | 5 +++--
3 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index 10f9338..7f3c6ff 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -81,6 +81,8 @@
/* The first dword of RADEON_CHUNK_ID_FLAGS is a uint32 of these flags: */
#define RADEON_CS_KEEP_TILING_FLAGS 0x01
+
+
#endif
#ifndef RADEON_CS_USE_VM
@@ -118,7 +120,7 @@ static boolean radeon_init_cs_context(struct radeon_cs_context *csc,
csc->chunks[1].length_dw = 0;
csc->chunks[1].chunk_data = (uint64_t)(uintptr_t)csc->relocs;
csc->chunks[2].chunk_id = RADEON_CHUNK_ID_FLAGS;
- csc->chunks[2].length_dw = 1;
+ csc->chunks[2].length_dw = 2;
csc->chunks[2].chunk_data = (uint64_t)(uintptr_t)&csc->flags;
csc->chunk_array[0] = (uint64_t)(uintptr_t)&csc->chunks[0];
@@ -454,15 +456,20 @@ static void radeon_drm_cs_flush(struct radeon_winsys_cs *rcs, unsigned flags)
p_atomic_inc(&cs->cst->relocs_bo[i]->num_active_ioctls);
}
- cs->cst->flags = 0;
+ cs->cst->flags[0] = 0;
+ cs->cst->flags[1] = RADEON_CS_RING_GFX;
cs->cst->cs.num_chunks = 2;
if (flags & RADEON_FLUSH_KEEP_TILING_FLAGS) {
- cs->cst->flags |= RADEON_CS_KEEP_TILING_FLAGS;
+ cs->cst->flags[0] |= RADEON_CS_KEEP_TILING_FLAGS;
cs->cst->cs.num_chunks = 3;
}
if (cs->ws->info.r600_virtual_address) {
+ cs->cst->flags[0] |= RADEON_CS_USE_VM;
+ cs->cst->cs.num_chunks = 3;
+ }
+ if (flags & RADEON_FLUSH_COMPUTE) {
+ cs->cst->flags[1] = RADEON_CS_RING_COMPUTE;
cs->cst->cs.num_chunks = 3;
- cs->cst->flags |= RADEON_CS_USE_VM;
}
if (cs->thread &&
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.h b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
index 05b9a48..5ce0002 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.h
@@ -37,7 +37,7 @@ struct radeon_cs_context {
struct drm_radeon_cs cs;
struct drm_radeon_cs_chunk chunks[3];
uint64_t chunk_array[3];
- uint32_t flags;
+ uint32_t flags[2];
/* Relocs. */
unsigned nrelocs;
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 73160b6..4aa7cfc 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -45,8 +45,9 @@
#define RADEON_MAX_CMDBUF_DWORDS (16 * 1024)
-#define RADEON_FLUSH_ASYNC (1 << 0)
-#define RADEON_FLUSH_KEEP_TILING_FLAGS (1 << 1) /* needs DRM 2.12.0 */
+#define RADEON_FLUSH_ASYNC (1 << 0)
+#define RADEON_FLUSH_KEEP_TILING_FLAGS (1 << 1) /* needs DRM 2.12.0 */
+#define RADEON_FLUSH_COMPUTE (1 << 2)
/* Tiling flags. */
enum radeon_bo_layout {
--
1.7.9.5
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