[igt-dev] [PATCH i-g-t v27 26/30] tests/gem_render_tiled_blits: remove libdrm dependency

["Zbigniew Kempczyński" <zbigniew.kempczynski@intel.com>]

Use intel_bb / intel_buf to remove libdrm dependency.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/gem_render_tiled_blits.c | 93 +++++++++++++++--------------
 1 file changed, 47 insertions(+), 46 deletions(-)

diff --git a/tests/i915/gem_render_tiled_blits.c b/tests/i915/gem_render_tiled_blits.c
index bd76066a..0d83a43e 100644
--- a/tests/i915/gem_render_tiled_blits.c
+++ b/tests/i915/gem_render_tiled_blits.c
@@ -42,12 +42,12 @@
 #include <errno.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <sys/mman.h>
 
 #include <drm.h>
 
 #include "i915/gem.h"
 #include "igt.h"
-#include "intel_bufmgr.h"
 
 #define WIDTH 512
 #define STRIDE (WIDTH*4)
@@ -55,29 +55,26 @@
 #define SIZE (HEIGHT*STRIDE)
 
 static igt_render_copyfunc_t render_copy;
-static drm_intel_bo *linear;
+static struct intel_buf linear;
 static uint32_t data[WIDTH*HEIGHT];
 static int snoop;
 
 static void
-check_bo(struct intel_batchbuffer *batch, struct igt_buf *buf, uint32_t val)
+check_buf(struct intel_bb *ibb, struct intel_buf *buf, uint32_t val)
 {
-	struct igt_buf tmp = {};
+	int i915 = buf_ops_get_fd(linear.bops);
 	uint32_t *ptr;
 	int i;
 
-	tmp.bo = linear;
-	tmp.surface[0].stride = STRIDE;
-	tmp.tiling = I915_TILING_NONE;
-	tmp.surface[0].size = SIZE;
-	tmp.bpp = 32;
+	render_copy(ibb, 0, buf, 0, 0, WIDTH, HEIGHT, &linear, 0, 0);
+	intel_bb_sync(ibb);
 
-	render_copy(batch, NULL, buf, 0, 0, WIDTH, HEIGHT, &tmp, 0, 0);
 	if (snoop) {
-		do_or_die(drm_intel_bo_map(linear, 0));
-		ptr = linear->virtual;
+		ptr = gem_mmap__cpu_coherent(i915, linear.handle, 0,
+					     linear.surface[0].size, PROT_READ);
+		gem_set_domain(i915, linear.handle, I915_GEM_DOMAIN_CPU, 0);
 	} else {
-		do_or_die(drm_intel_bo_get_subdata(linear, 0, sizeof(data), data));
+		gem_read(i915, linear.handle, 0, data, sizeof(data));
 		ptr = data;
 	}
 	for (i = 0; i < WIDTH*HEIGHT; i++) {
@@ -88,15 +85,15 @@ check_bo(struct intel_batchbuffer *batch, struct igt_buf *buf, uint32_t val)
 		val++;
 	}
 	if (ptr != data)
-		drm_intel_bo_unmap(linear);
+		munmap(ptr, linear.surface[0].size);
 }
 
 static void run_test (int fd, int count)
 {
-	drm_intel_bufmgr *bufmgr;
-	struct intel_batchbuffer *batch;
+	struct buf_ops *bops;
+	struct intel_bb *ibb;
 	uint32_t *start_val;
-	struct igt_buf *buf;
+	struct intel_buf *bufs;
 	uint32_t start = 0;
 	int i, j;
 	uint32_t devid;
@@ -112,66 +109,67 @@ static void run_test (int fd, int count)
 	if (IS_BROADWATER(devid) || IS_CRESTLINE(devid)) /* snafu */
 		snoop = 0;
 
-	bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
-	drm_intel_bufmgr_gem_set_vma_cache_size(bufmgr, 32);
-	batch = intel_batchbuffer_alloc(bufmgr, devid);
+	bops = buf_ops_create(fd);
+	ibb = intel_bb_create(fd, 4096);
 
-	linear = drm_intel_bo_alloc(bufmgr, "linear", WIDTH*HEIGHT*4, 0);
+	intel_buf_init(bops, &linear, WIDTH, HEIGHT, 32, 0,
+		       I915_TILING_NONE, I915_COMPRESSION_NONE);
 	if (snoop) {
-		gem_set_caching(fd, linear->handle, 1);
+		gem_set_caching(fd, linear.handle, 1);
 		igt_info("Using a snoop linear buffer for comparisons\n");
 	}
 
-	buf = calloc(sizeof(*buf), count);
+	bufs = calloc(sizeof(*bufs), count);
 	start_val = malloc(sizeof(*start_val)*count);
 
 	for (i = 0; i < count; i++) {
 		uint32_t tiling = I915_TILING_X + (random() & 1);
-		unsigned long pitch = STRIDE;
 		uint32_t *ptr;
 
-		buf[i].bo = drm_intel_bo_alloc_tiled(bufmgr, "",
-						     WIDTH, HEIGHT, 4,
-						     &tiling, &pitch, 0);
-		buf[i].surface[0].stride = pitch;
-		buf[i].tiling = tiling;
-		buf[i].surface[0].size = SIZE;
-		buf[i].bpp = 32;
-
+		intel_buf_init(bops, &bufs[i], WIDTH, HEIGHT, 32, 0,
+			       tiling, I915_COMPRESSION_NONE);
 		start_val[i] = start;
 
-		do_or_die(drm_intel_gem_bo_map_gtt(buf[i].bo));
-		ptr = buf[i].bo->virtual;
+		ptr = gem_mmap__gtt(fd, bufs[i].handle,
+				    bufs[i].surface[0].size, PROT_WRITE);
+		gem_set_domain(fd, bufs[i].handle,
+			       I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
 		for (j = 0; j < WIDTH*HEIGHT; j++)
 			ptr[j] = start++;
-		drm_intel_gem_bo_unmap_gtt(buf[i].bo);
+
+		munmap(ptr, bufs[i].surface[0].size);
 	}
 
 	igt_info("Verifying initialisation...\n");
 	for (i = 0; i < count; i++)
-		check_bo(batch, &buf[i], start_val[i]);
+		check_buf(ibb, &bufs[i], start_val[i]);
 
 	igt_info("Cyclic blits, forward...\n");
 	for (i = 0; i < count * 4; i++) {
 		int src = i % count;
 		int dst = (i + 1) % count;
 
-		render_copy(batch, NULL, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
+		render_copy(ibb, 0, &bufs[src], 0, 0, WIDTH, HEIGHT,
+			    &bufs[dst], 0, 0);
 		start_val[dst] = start_val[src];
 	}
+	intel_bb_sync(ibb);
+
 	for (i = 0; i < count; i++)
-		check_bo(batch, &buf[i], start_val[i]);
+		check_buf(ibb, &bufs[i], start_val[i]);
 
 	igt_info("Cyclic blits, backward...\n");
 	for (i = 0; i < count * 4; i++) {
 		int src = (i + 1) % count;
 		int dst = i % count;
 
-		render_copy(batch, NULL, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
+		render_copy(ibb, 0, &bufs[src], 0, 0, WIDTH, HEIGHT,
+			    &bufs[dst], 0, 0);
 		start_val[dst] = start_val[src];
 	}
+	intel_bb_sync(ibb);
 	for (i = 0; i < count; i++)
-		check_bo(batch, &buf[i], start_val[i]);
+		check_buf(ibb, &bufs[i], start_val[i]);
 
 	igt_info("Random blits...\n");
 	for (i = 0; i < count * 4; i++) {
@@ -181,19 +179,22 @@ static void run_test (int fd, int count)
 		if (src == dst)
 			continue;
 
-		render_copy(batch, NULL, buf+src, 0, 0, WIDTH, HEIGHT, buf+dst, 0, 0);
+		render_copy(ibb, 0, &bufs[src], 0, 0, WIDTH, HEIGHT,
+			    &bufs[dst], 0, 0);
 		start_val[dst] = start_val[src];
 	}
+	intel_bb_sync(ibb);
+
 	for (i = 0; i < count; i++)
-		check_bo(batch, &buf[i], start_val[i]);
+		check_buf(ibb, &bufs[i], start_val[i]);
 
 	/* release resources */
-	drm_intel_bo_unreference(linear);
+	intel_buf_close(bops, &linear);
 	for (i = 0; i < count; i++) {
-		drm_intel_bo_unreference(buf[i].bo);
+		intel_buf_close(bops, &bufs[i]);
 	}
-	intel_batchbuffer_free(batch);
-	drm_intel_bufmgr_destroy(bufmgr);
+	intel_bb_destroy(ibb);
+	buf_ops_destroy(bops);
 }
 
 
-- 
2.26.0

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