[igt-dev] [PATCH i-g-t 11/18] i915/gem_unref_active_buffers.c: Remove libdrm dependency

Dominik Grzegorzek dominik.grzegorzek at intel.com
Tue Sep 29 11:29:03 UTC 2020


Use intel_bb / intel_buf to remove libdrm dependency.

Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/i915/gem_unref_active_buffers.c | 61 +++++++++++++--------------
 1 file changed, 30 insertions(+), 31 deletions(-)

diff --git a/tests/i915/gem_unref_active_buffers.c b/tests/i915/gem_unref_active_buffers.c
index 75394794..55624aa3 100644
--- a/tests/i915/gem_unref_active_buffers.c
+++ b/tests/i915/gem_unref_active_buffers.c
@@ -29,8 +29,7 @@
  * Testcase: Unreferencing of active buffers
  *
  * Execs buffers and immediately unreferences them, hence the kernel active list
- * will be the last one to hold a reference on them. Usually libdrm bo caching
- * prevents that by keeping another reference.
+ * will be the last one to hold a reference on them.
  */
 #include <stdlib.h>
 #include <stdio.h>
@@ -44,55 +43,55 @@
 #include "drm.h"
 #include "i915/gem.h"
 #include "igt.h"
-#include "intel_bufmgr.h"
 
 IGT_TEST_DESCRIPTION("Test unreferencing of active buffers.");
 
-static drm_intel_bufmgr *bufmgr;
-struct intel_batchbuffer *batch;
-static drm_intel_bo *load_bo;
-
 igt_simple_main
 {
+	struct intel_buf *load_bo;
+	struct intel_bb *ibb;
+	struct buf_ops *bops;
 	int fd, i;
 
 	fd = drm_open_driver(DRIVER_INTEL);
 	igt_require_gem(fd);
 	gem_require_blitter(fd);
 
-	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-	igt_assert(bufmgr);
-	/* don't enable buffer reuse!! */
-	//drm_intel_bufmgr_gem_enable_reuse(bufmgr);
-
-	batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
-	igt_assert(batch);
+	bops = buf_ops_create(fd);
+	ibb = intel_bb_create_with_relocs(fd, 4096);
+	intel_bb_set_fencing(ibb, false);
 
 	/* put some load onto the gpu to keep the light buffers active for long
 	 * enough */
 	for (i = 0; i < 1000; i++) {
-		load_bo = drm_intel_bo_alloc(bufmgr, "target bo", 1024*4096, 4096);
-		igt_assert(load_bo);
+		load_bo = intel_buf_create(bops, 2048, 2048, 32, 0,
+					   I915_TILING_NONE,
+					   I915_COMPRESSION_NONE);
 
-		BLIT_COPY_BATCH_START(0);
-		OUT_BATCH((3 << 24) | /* 32 bits */
-			  (0xcc << 16) | /* copy ROP */
-			  4096);
-		OUT_BATCH(0); /* dst x1,y1 */
-		OUT_BATCH((1024 << 16) | 512);
-		OUT_RELOC_FENCED(load_bo, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
-		OUT_BATCH((0 << 16) | 512); /* src x1, y1 */
-		OUT_BATCH(4096);
-		OUT_RELOC_FENCED(load_bo, I915_GEM_DOMAIN_RENDER, 0, 0);
-		ADVANCE_BATCH();
+		intel_bb_add_intel_buf(ibb, load_bo, true);
+		intel_bb_blit_start(ibb, 0);
+		intel_bb_out(ibb, (3 << 24) | /* 32 bits */
+			     (0xcc << 16) | /* copy ROP */
+			     4096);
+		intel_bb_out(ibb, 0); /* dst x1,y1 */
+		intel_bb_out(ibb, (1024 << 16) | 512);
+		intel_bb_emit_reloc_fenced(ibb, load_bo->handle,
+					   I915_GEM_DOMAIN_RENDER,
+					   I915_GEM_DOMAIN_RENDER, 0, 0x0);
+		intel_bb_out(ibb, (0 << 16) | 512); /* src x1, y1 */
+		intel_bb_out(ibb, 4096);
+		intel_bb_emit_reloc_fenced(ibb, load_bo->handle,
+					   I915_GEM_DOMAIN_RENDER,
+					   0, 0, 0x0);
 
-		intel_batchbuffer_flush(batch);
+		intel_bb_flush_blit(ibb);
 
-		drm_intel_bo_disable_reuse(load_bo);
-		drm_intel_bo_unreference(load_bo);
+		intel_buf_destroy(load_bo);
+		intel_bb_reset(ibb, true);
 	}
 
-	drm_intel_bufmgr_destroy(bufmgr);
+	intel_bb_destroy(ibb);
+	buf_ops_destroy(bops);
 
 	close(fd);
 }
-- 
2.20.1



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