[igt-dev] [PATCH i-g-t 05/17] Perform a regular 3d copy as a control checkpoint

[Alan Previn <alan.previn.teres.alexis@intel.com>]

As a control checkpoint, allocate buffers to be used
as texture and render target in the 3d engine for a
regular src to dest copy blit and verify buffer pixels.

Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
---
 tests/i915/gem_pxp.c | 168 ++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 158 insertions(+), 10 deletions(-)

diff --git a/tests/i915/gem_pxp.c b/tests/i915/gem_pxp.c
index be7b2749..339d4347 100644
--- a/tests/i915/gem_pxp.c
+++ b/tests/i915/gem_pxp.c
@@ -250,6 +250,24 @@ static void test_ctx_alloc_recover_on_protect_on(int i915)
 	igt_assert_eq(ret, -EPERM);
 }
 
+static void test_ctx_mod_regular_to_all_valid(int i915)
+{
+	int ret;
+	uint32_t ctx;
+
+	ret = create_ctx_with_params(i915, false, false, false, false, &ctx);
+	igt_assert_eq(ret, 0);
+	igt_assert_eq(get_ctx_protected_param(i915, ctx), 0);
+	igt_assert_eq(get_ctx_recovery_param(i915, ctx), 1);
+	ret = modify_ctx_param(i915, ctx, CHANGE_PARAM_RECOVERY, false);
+	igt_assert_eq(ret, 0);
+	ret = modify_ctx_param(i915, ctx, CHANGE_PARAM_PROTECTED, true);
+	igt_assert_eq(ret, -EPERM);
+	igt_assert_eq(get_ctx_protected_param(i915, ctx), 0);
+	igt_assert_eq(get_ctx_recovery_param(i915, ctx), 0);
+	gem_context_destroy(i915, ctx);
+}
+
 static void test_ctx_mod_recover_off_to_on(int i915)
 {
 	int ret;
@@ -299,28 +317,145 @@ static void test_ctx_mod_protected_to_all_invalid(int i915)
 	gem_context_destroy(i915, ctx);
 }
 
-static void test_ctx_mod_regular_to_all_valid(int i915)
+static void fill_bo_content(int i915, uint32_t bo, uint32_t size, uint32_t initcolor)
+{
+	uint32_t *ptr, *ptrtmp;
+	int loop = 0;
+
+	ptr = gem_mmap__device_coherent(i915, bo, 0, size, PROT_WRITE);
+	ptrtmp = ptr;
+
+	/* read and count all dword matches till size */
+	while (loop++ < (size/4)) {
+		*ptrtmp = initcolor;
+		++ptrtmp;
+	}
+
+	igt_assert(gem_munmap(ptr, size) == 0);
+}
+
+#define COMPARE_COLOR_READIBLE     1
+#define COMPARE_COLOR_UNREADIBLE   2
+#define COMPARE_N_PIXELS_VERBOSELY 0
+
+static void assert_bo_content_check(int i915, uint32_t bo, int compare_op,
+				    uint32_t size, uint32_t color)
+{
+	uint32_t *ptr, *ptrtmp;
+	int loop = 0, num_matches = 0;
+	uint32_t value;
+	bool op_readible = (compare_op == COMPARE_COLOR_READIBLE);
+
+	ptr = gem_mmap__device_coherent(i915, bo, 0, size, PROT_READ);
+	ptrtmp = ptr;
+
+	if (COMPARE_N_PIXELS_VERBOSELY) {
+		igt_info("--------->>>\n");
+		while (loop < COMPARE_N_PIXELS_VERBOSELY && loop < (size/4)) {
+			value = *ptrtmp;
+			igt_info("Color read = 0x%08x ", value);
+			igt_info("expected %c= 0x%08x)\n", op_readible?'=':'!', color);
+			++ptrtmp;
+			++loop;
+		}
+		igt_info("<<<---------\n");
+		ptrtmp = ptr;
+		loop = 0;
+	}
+
+	/* count all pixels for matches */
+	while (loop++ < (size/4)) {
+		value = *ptrtmp;
+		if (value == color)
+			++num_matches;
+		++ptrtmp;
+	}
+
+	if (op_readible)
+		igt_assert_eq(num_matches, (size/4));
+	else
+		igt_assert_eq(num_matches, 0);
+
+	igt_assert(gem_munmap(ptr, size) == 0);
+}
+
+static uint32_t alloc_and_fill_dest_buff(int i915, bool protected, uint32_t size,
+					 uint32_t init_color)
 {
+	uint32_t bo;
 	int ret;
-	uint32_t ctx;
 
-	ret = create_ctx_with_params(i915, false, false, false, false, &ctx);
+	ret = create_bo_ext(i915, size, protected, &bo);
 	igt_assert_eq(ret, 0);
-	igt_assert_eq(get_ctx_protected_param(i915, ctx), 0);
-	igt_assert_eq(get_ctx_recovery_param(i915, ctx), 1);
-	ret = modify_ctx_param(i915, ctx, CHANGE_PARAM_RECOVERY, false);
+	igt_assert(bo);
+	fill_bo_content(i915, bo, size, init_color);
+	assert_bo_content_check(i915, bo, COMPARE_COLOR_READIBLE, size, init_color);
+
+	return bo;
+}
+
+/*
+ * Rendering tests surface attributes, keep it simple:
+ * page aligned width==stride, thus, and size
+ */
+#define TSTSURF_WIDTH       1024
+#define TSTSURF_HEIGHT      128
+#define TSTSURF_BYTESPP     4
+#define TSTSURF_STRIDE      (TSTSURF_WIDTH*TSTSURF_BYTESPP)
+#define TSTSURF_SIZE        (TSTSURF_STRIDE*TSTSURF_HEIGHT)
+#define TSTSURF_FILLCOLOR1  0xfaceface
+#define TSTSURF_INITCOLOR1  0x12341234
+
+static void test_render_baseline(int i915)
+{
+	uint32_t ctx, srcbo, dstbo;
+	struct intel_buf *srcbuf, *dstbuf;
+	struct buf_ops *bops;
+	struct intel_bb *ibb;
+	uint32_t devid;
+	int ret;
+
+	devid = intel_get_drm_devid(i915);
+	igt_assert(devid);
+
+	bops = buf_ops_create(i915);
+	igt_assert(bops);
+
+	/* Perform a regular 3d copy as a control checkpoint */
+	ret = create_ctx_with_params(i915, false, false, false, false, &ctx);
 	igt_assert_eq(ret, 0);
-	ret = modify_ctx_param(i915, ctx, CHANGE_PARAM_PROTECTED, true);
-	igt_assert_eq(ret, -EPERM);
-	igt_assert_eq(get_ctx_protected_param(i915, ctx), 0);
-	igt_assert_eq(get_ctx_recovery_param(i915, ctx), 0);
+	ibb = intel_bb_create_with_context(i915, ctx, 4096);
+	igt_assert(ibb);
+
+	dstbo = alloc_and_fill_dest_buff(i915, false, TSTSURF_SIZE, TSTSURF_INITCOLOR1);
+	dstbuf = intel_buf_create_using_handle(bops, dstbo, TSTSURF_WIDTH, TSTSURF_HEIGHT,
+					       TSTSURF_BYTESPP*8, 0, I915_TILING_NONE, 0);
+
+	srcbo = alloc_and_fill_dest_buff(i915, false, TSTSURF_SIZE, TSTSURF_FILLCOLOR1);
+	srcbuf = intel_buf_create_using_handle(bops, srcbo, TSTSURF_WIDTH, TSTSURF_HEIGHT,
+					       TSTSURF_BYTESPP*8, 0, I915_TILING_NONE, 0);
+
+	gen12_render_copyfunc(ibb, srcbuf, 0, 0, TSTSURF_WIDTH, TSTSURF_HEIGHT, dstbuf, 0, 0);
+	gem_sync(i915, dstbo);
+
+	assert_bo_content_check(i915, dstbo, COMPARE_COLOR_READIBLE,
+				TSTSURF_SIZE, TSTSURF_FILLCOLOR1);
+
+	intel_bb_destroy(ibb);
+	intel_buf_destroy(srcbuf);
+	gem_close(i915, srcbo);
+	intel_buf_destroy(dstbuf);
+	gem_close(i915, dstbo);
 	gem_context_destroy(i915, ctx);
+	buf_ops_destroy(bops);
 }
 
 igt_main
 {
 	int i915 = -1;
 	bool pxp_supported = false;
+	igt_render_copyfunc_t rendercopy = NULL;
+	uint32_t devid = 0;
 
 	igt_fixture
 	{
@@ -374,6 +509,19 @@ igt_main
 		igt_subtest("reject-modify-context-protection-off-3")
 			test_ctx_mod_protected_to_all_invalid(i915);
 	}
+	igt_subtest_group {
+		igt_fixture {
+			igt_require(pxp_supported);
+			devid = intel_get_drm_devid(i915);
+			igt_assert(devid);
+			rendercopy = igt_get_render_copyfunc(devid);
+			igt_require(rendercopy);
+		}
+
+		igt_describe("Verify protected render operations:");
+		igt_subtest("regular-baseline-src-copy-readible")
+			test_render_baseline(i915);
+	}
 
 	igt_fixture {
 		close(i915);
-- 
2.25.1

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