[igt-dev] [PATCH i-g-t 1/2] tests/kms_rotation_crc: reduce executions time on multiplane tests

[Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>]

reduce repetitive work and wait less

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
---
 tests/kms_rotation_crc.c | 153 +++++++++++++++++++++------------------
 1 file changed, 81 insertions(+), 72 deletions(-)

diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
index 6d4e87ed9..107d7e0ee 100644
--- a/tests/kms_rotation_crc.c
+++ b/tests/kms_rotation_crc.c
@@ -31,6 +31,8 @@
 #define TEST_MAX_WIDTH 640
 #define TEST_MAX_HEIGHT 480
 #define MAX_TESTED_MODES 8
+#define MULTIPLANE_REFERENCE 0
+#define MULTIPLANE_ROTATED 1
 
 struct p_struct {
 	igt_plane_t *plane;
@@ -522,26 +524,20 @@ static void test_plane_rotation(data_t *data, int plane_type, bool test_bad_form
 
 typedef struct {
 	int32_t x1, y1;
-	uint64_t width, height, tiling, planetype, format;
+	uint64_t width, height, tiling, format;
+	igt_plane_t *plane;
 	igt_rotation_t rotation_sw, rotation_hw;
 } planeinfos;
 
 static bool get_multiplane_crc(data_t *data, igt_output_t *output,
-			       igt_crc_t *crc_output, planeinfos *planeinfo,
-			       int numplanes)
+			       planeinfos *planeinfo, struct igt_fb *fbleft,
+			       struct igt_fb *fbright)
 {
 	uint32_t w, h;
-	igt_display_t *display = &data->display;
-	struct p_struct *planes, *oldplanes;
-	int c, ret;
-
-	oldplanes = data->multiplaneoldview;
-	planes = calloc(sizeof(*planes), numplanes);
-
-	for (c = 0; c < numplanes; c++) {
-		planes[c].plane = igt_output_get_plane_type(output,
-							    planeinfo[c].planetype);
+	struct igt_fb *planes[2] = {fbleft, fbright};
+	int c;
 
+	for (c = 0; c < ARRAY_SIZE(planes); c++) {
 		/*
 		 * make plane and fb width and height always divisible by 4
 		 * due to NV12 support and Intel hw workarounds.
@@ -552,34 +548,26 @@ static bool get_multiplane_crc(data_t *data, igt_output_t *output,
 		if (planeinfo[c].rotation_sw & (IGT_ROTATION_90 | IGT_ROTATION_270))
 			igt_swap(w, h);
 
-		if (!igt_plane_has_format_mod(planes[c].plane,
+		if (!igt_plane_has_format_mod(planeinfo[c].plane,
 					      planeinfo[c].format,
 					      planeinfo[c].tiling))
 			return false;
 
-		igt_create_fb(data->gfx_fd, w, h, planeinfo[c].format,
-			      planeinfo[c].tiling, &planes[c].fb);
+		if (planes[c]->fb_id == 0) {
+			igt_create_fb(data->gfx_fd, w, h, planeinfo[c].format,
+				      planeinfo[c].tiling, planes[c]);
 
-		paint_squares(data, planeinfo[c].rotation_sw, &planes[c].fb, 1.0f);
-		igt_plane_set_fb(planes[c].plane, &planes[c].fb);
+			paint_squares(data, planeinfo[c].rotation_sw,
+				      planes[c], 1.0f);
+		}
+		igt_plane_set_fb(planeinfo[c].plane, planes[c]);
 
 		if (planeinfo[c].rotation_hw & (IGT_ROTATION_90 | IGT_ROTATION_270))
-			igt_plane_set_size(planes[c].plane, h, w);
+			igt_plane_set_size(planeinfo[c].plane, h, w);
 
-		igt_plane_set_position(planes[c].plane, planeinfo[c].x1, planeinfo[c].y1);
-		igt_plane_set_rotation(planes[c].plane, planeinfo[c].rotation_hw);
+		igt_plane_set_position(planeinfo[c].plane, planeinfo[c].x1, planeinfo[c].y1);
+		igt_plane_set_rotation(planeinfo[c].plane, planeinfo[c].rotation_hw);
 	}
-
-	ret = igt_display_try_commit2(display, COMMIT_ATOMIC);
-	igt_assert_eq(ret, 0);
-
-	igt_pipe_crc_get_current(data->gfx_fd, data->pipe_crc, crc_output);
-
-	for (c = 0; c < numplanes && oldplanes; c++)
-		igt_remove_fb(data->gfx_fd, &oldplanes[c].fb);
-
-	free(oldplanes);
-	data->multiplaneoldview = (void*)planes;
 	return true;
 }
 
@@ -624,30 +612,9 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 	igt_output_t *output;
 	igt_crc_t retcrc_sw, retcrc_hw;
 	planeinfos p[2];
-	int c, used_w, used_h;
-	struct p_struct *oldplanes;
+	int used_w, used_h;
 	drmModeModeInfo *mode;
 
-	static const struct {
-		igt_rotation_t rotation;
-		float_t width;
-		float_t height;
-		uint64_t tiling;
-	} planeconfigs[] = {
-	{IGT_ROTATION_0, .2f, .4f, LOCAL_DRM_FORMAT_MOD_NONE },
-	{IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_X_TILED },
-	{IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED },
-	{IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED },
-	{IGT_ROTATION_90, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED },
-	{IGT_ROTATION_90, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED },
-	{IGT_ROTATION_180, .2f, .4f, LOCAL_DRM_FORMAT_MOD_NONE },
-	{IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_X_TILED },
-	{IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED },
-	{IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED },
-	{IGT_ROTATION_270, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED },
-	{IGT_ROTATION_270, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED },
-	};
-
 	/*
 	* These are those modes which are tested. For testing feel interesting
 	* case with tiling are 2 bpp, 4 bpp and NV12.
@@ -655,8 +622,30 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 	static const uint32_t formatlist[] = {DRM_FORMAT_RGB565,
 		DRM_FORMAT_XRGB8888, DRM_FORMAT_NV12};
 
+	static struct {
+		const char* txt;
+		igt_rotation_t rotation;
+		float_t width;
+		float_t height;
+		uint64_t tiling;
+		struct igt_fb fbs[ARRAY_SIZE(formatlist)][2];
+	} planeconfigs[] = {
+	{"rotation 0 modifier none", IGT_ROTATION_0, .2f, .4f, LOCAL_DRM_FORMAT_MOD_NONE},
+	{"rotation 0 modifier x-tile", IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_X_TILED},
+	{"rotation 0 modifier y-tile", IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED},
+	{"rotation 0 modifier yf-tile", IGT_ROTATION_0, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED},
+	{"rotation 90 modifier y-tile", IGT_ROTATION_90, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED},
+	{"rotation 90 modifier yf-tile", IGT_ROTATION_90, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED},
+	{"rotation 180 modifier none", IGT_ROTATION_180, .2f, .4f, LOCAL_DRM_FORMAT_MOD_NONE},
+	{"rotation 180 modifier x-tile", IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_X_TILED},
+	{"rotation 180 modifier y-tile", IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED},
+	{"rotation 180 modifier yf-tile", IGT_ROTATION_180, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED},
+	{"rotation 270 modifier y-tile", IGT_ROTATION_270, .2f, .4f, LOCAL_I915_FORMAT_MOD_Y_TILED},
+	{"rotation 270 modifier yf-tile", IGT_ROTATION_270, .2f, .4f, LOCAL_I915_FORMAT_MOD_Yf_TILED},
+	};
+
 	for_each_valid_output_on_pipe(display, pipe, output) {
-		int i, j, k, l;
+		int i, j, k, l, flipsw, fliphw;
 		igt_output_set_pipe(output, pipe);
 		mode = igt_output_get_mode(output);
 		igt_display_require_output(display);
@@ -665,12 +654,14 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 		used_w = min(TEST_MAX_WIDTH, mode->hdisplay);
 		used_h = min(TEST_MAX_HEIGHT, mode->vdisplay);
 
+		p[0].plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
+		p[1].plane = igt_output_get_plane_type(output, DRM_PLANE_TYPE_OVERLAY);
+
 		data->pipe_crc = igt_pipe_crc_new(data->gfx_fd, pipe,
 						  INTEL_PIPE_CRC_SOURCE_AUTO);
 		igt_pipe_crc_start(data->pipe_crc);
 
 		for (i = 0; i < ARRAY_SIZE(planeconfigs); i++) {
-			p[0].planetype = DRM_PLANE_TYPE_PRIMARY;
 			p[0].width = (uint64_t)(planeconfigs[i].width * used_w);
 			p[0].height = (uint64_t)(planeconfigs[i].height * used_h);
 			p[0].tiling = planeconfigs[i].tiling;
@@ -680,7 +671,6 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 				p[0].format = formatlist[k];
 
 				for (j = 0; j < ARRAY_SIZE(planeconfigs); j++) {
-					p[1].planetype = DRM_PLANE_TYPE_OVERLAY;
 					p[1].width = (uint64_t)(planeconfigs[j].width * used_w);
 					p[1].height = (uint64_t)(planeconfigs[j].height * used_h);
 					p[1].tiling = planeconfigs[j].tiling;
@@ -704,20 +694,39 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 						     && intel_gen(data->devid) < 11)
 							continue;
 
+						igt_debug("plane1 %s %.4s plane2 %s %.4s\n",
+							  planeconfigs[i].txt,
+							  (char*) &p[0].format,
+							  planeconfigs[j].txt,
+							  (char*) &p[1].format);
+
 						p[0].rotation_sw = planeconfigs[i].rotation;
 						p[0].rotation_hw = IGT_ROTATION_0;
 						p[1].rotation_sw = planeconfigs[j].rotation;
 						p[1].rotation_hw = IGT_ROTATION_0;
-						if (!get_multiplane_crc(data, output, &retcrc_sw,
-								   (planeinfos *)&p, MAXMULTIPLANESAMOUNT))
+						if (!get_multiplane_crc(data, output,
+								   (planeinfos *)&p,
+								   &planeconfigs[i].fbs[k][MULTIPLANE_REFERENCE],
+								   &planeconfigs[j].fbs[l][MULTIPLANE_REFERENCE]))
 							continue;
+						igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
+						flipsw = kmstest_get_vblank(data->gfx_fd, pipe, 0) + 1;
+
 
 						igt_swap(p[0].rotation_sw, p[0].rotation_hw);
 						igt_swap(p[1].rotation_sw, p[1].rotation_hw);
-						if (!get_multiplane_crc(data, output, &retcrc_hw,
-								   (planeinfos *)&p, MAXMULTIPLANESAMOUNT))
+
+						if (!get_multiplane_crc(data, output,
+								   (planeinfos *)&p,
+								   &planeconfigs[i].fbs[k][MULTIPLANE_ROTATED],
+								   &planeconfigs[j].fbs[l][MULTIPLANE_ROTATED]))
 							continue;
 
+						igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
+						fliphw = kmstest_get_vblank(data->gfx_fd, pipe, 0) + 1;
+
+						igt_pipe_crc_get_for_frame(data->gfx_fd, data->pipe_crc, flipsw, &retcrc_sw);
+						igt_pipe_crc_get_for_frame(data->gfx_fd, data->pipe_crc, fliphw, &retcrc_hw);
 						igt_assert_crc_equal(&retcrc_sw, &retcrc_hw);
 					}
 				}
@@ -725,19 +734,19 @@ static void test_multi_plane_rotation(data_t *data, enum pipe pipe)
 		}
 		igt_pipe_crc_stop(data->pipe_crc);
 		igt_pipe_crc_free(data->pipe_crc);
-		igt_output_set_pipe(output, PIPE_ANY);
-	}
 
-	/*
-	* Old fbs are deleted only after new ones are set on planes.
-	* This is done to speed up the test
-	*/
-	oldplanes = data->multiplaneoldview;
-	for (c = 0; c < MAXMULTIPLANESAMOUNT && oldplanes; c++)
-		igt_remove_fb(data->gfx_fd, &oldplanes[c].fb);
+		igt_plane_set_fb(p[0].plane, NULL);
+		igt_plane_set_fb(p[1].plane, NULL);
+		igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
 
-	free(oldplanes);
-	data->multiplaneoldview = NULL;
+		for (i = 0; i < ARRAY_SIZE(planeconfigs); i++) {
+			for  (j = 0; j < ARRAY_SIZE(formatlist); j++) {
+				igt_remove_fb(data->gfx_fd, &planeconfigs[i].fbs[j][0]);
+				igt_remove_fb(data->gfx_fd, &planeconfigs[i].fbs[j][1]);
+			}
+		}
+		igt_output_set_pipe(output, PIPE_NONE);
+	}
 	data->pipe_crc = NULL;
 }
 
-- 
2.28.0

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