[PATCH 2/2] tests/pm_rpm: add planes subtests

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From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

Just like the cursor subtests, these also trigger WARNs on the current
Kernel.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
 tests/pm_rpm.c | 212 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 211 insertions(+), 1 deletion(-)

diff --git a/tests/pm_rpm.c b/tests/pm_rpm.c
index f720f86..048d9ad 100644
--- a/tests/pm_rpm.c
+++ b/tests/pm_rpm.c
@@ -51,6 +51,9 @@
 #include "igt_kms.h"
 #include "igt_debugfs.h"
 
+/* One day, this will be on your libdrm. */
+#define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2
+
 #define MSR_PC8_RES	0x630
 #define MSR_PC9_RES	0x631
 #define MSR_PC10_RES	0x632
@@ -72,6 +75,12 @@ enum screen_type {
 	SCREEN_TYPE_ANY,
 };
 
+enum plane_type {
+	PLANE_OVERLAY,
+	PLANE_PRIMARY,
+	PLANE_CURSOR,
+};
+
 /* Wait flags */
 #define DONT_WAIT	0
 #define WAIT_STATUS	1
@@ -1504,6 +1513,199 @@ static void cursor_subtest(bool dpms)
 	igt_assert(wait_for_suspended());
 }
 
+static enum plane_type get_plane_type(uint32_t plane_id)
+{
+	drmModeObjectPropertiesPtr props;
+	int i, j;
+	enum plane_type type;
+	bool found = false;
+
+	props = drmModeObjectGetProperties(drm_fd, plane_id,
+					   DRM_MODE_OBJECT_PLANE);
+	igt_assert(props);
+
+	for (i = 0; i < props->count_props && !found; i++) {
+		drmModePropertyPtr prop;
+		const char *enum_name = NULL;
+
+		prop = drmModeGetProperty(drm_fd, props->props[i]);
+		igt_assert(prop);
+
+		if (strcmp(prop->name, "type") == 0) {
+			igt_assert(prop->flags & DRM_MODE_PROP_ENUM);
+			igt_assert(props->prop_values[i] < prop->count_enums);
+
+			for (j = 0; j < prop->count_enums; j++) {
+				if (prop->enums[j].value ==
+				    props->prop_values[i]) {
+					enum_name = prop->enums[j].name;
+					break;
+				}
+			}
+			igt_assert(enum_name);
+
+			if (strcmp(enum_name, "Overlay") == 0)
+				type = PLANE_OVERLAY;
+			else if (strcmp(enum_name, "Primary") == 0)
+				type = PLANE_PRIMARY;
+			else if (strcmp(enum_name, "Cursor") == 0)
+				type = PLANE_CURSOR;
+			else
+				igt_assert(0);
+
+			found = true;
+		}
+
+		drmModeFreeProperty(prop);
+	}
+	igt_assert(found);
+
+	drmModeFreeObjectProperties(props);
+	return type;
+}
+
+static void test_one_plane(bool dpms, uint32_t plane_id,
+			   enum plane_type plane_type)
+{
+	int rc;
+	uint32_t plane_format, plane_w, plane_h;
+	uint32_t crtc_id, connector_id;
+	struct igt_fb scanout_fb, plane_fb1, plane_fb2;
+	drmModeModeInfoPtr mode;
+	int32_t crtc_x = 0, crtc_y = 0;
+
+	disable_all_screens(&ms_data);
+	igt_assert(wait_for_suspended());
+
+	igt_require(find_connector_for_modeset(&ms_data, SCREEN_TYPE_ANY,
+					       &connector_id, &mode));
+
+	crtc_id = ms_data.res->crtcs[0];
+	igt_assert(crtc_id);
+
+	igt_create_fb(drm_fd, mode->hdisplay, mode->vdisplay,
+		      DRM_FORMAT_XRGB8888, false, &scanout_fb);
+
+	fill_igt_fb(&scanout_fb, 0xFF);
+
+	switch (plane_type) {
+	case PLANE_OVERLAY:
+		plane_format = DRM_FORMAT_XRGB8888;
+		plane_w = 64;
+		plane_h = 64;
+		break;
+	case PLANE_PRIMARY:
+		plane_format = DRM_FORMAT_XRGB8888;
+		plane_w = mode->hdisplay;
+		plane_h = mode->vdisplay;
+		break;
+	case PLANE_CURSOR:
+		plane_format = DRM_FORMAT_ARGB8888;
+		plane_w = 64;
+		plane_h = 64;
+		break;
+	default:
+		igt_assert(0);
+		break;
+	}
+
+	igt_create_fb(drm_fd, plane_w, plane_h, plane_format, false,
+		      &plane_fb1);
+	igt_create_fb(drm_fd, plane_w, plane_h, plane_format, false,
+		      &plane_fb2);
+	fill_igt_fb(&plane_fb1, 0xFF00FFFF);
+	fill_igt_fb(&plane_fb2, 0xFF00FF00);
+
+	rc = drmModeSetCrtc(drm_fd, crtc_id, scanout_fb.fb_id, 0, 0,
+			    &connector_id, 1, mode);
+	igt_assert(rc == 0);
+	igt_assert(wait_for_active());
+
+	rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0,
+			     0, 0, plane_fb1.width, plane_fb1.height,
+			     0 << 16, 0 << 16, plane_fb1.width << 16,
+			     plane_fb1.height << 16);
+	igt_assert(rc == 0);
+
+	if (dpms)
+		disable_all_screens_dpms(&ms_data);
+	else
+		disable_all_screens(&ms_data);
+	igt_assert(wait_for_suspended());
+
+	/* Just move the plane around. */
+	if (plane_type != PLANE_PRIMARY) {
+		crtc_x++;
+		crtc_y++;
+	}
+	rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0,
+			     crtc_x, crtc_y, plane_fb1.width, plane_fb1.height,
+			     0 << 16, 0 << 16, plane_fb1.width << 16,
+			     plane_fb1.height << 16);
+	igt_assert(rc == 0);
+
+	/* Unset, then change the plane. */
+	rc = drmModeSetPlane(drm_fd, plane_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+	igt_assert(rc == 0);
+
+	rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb2.fb_id, 0,
+			     crtc_x, crtc_y, plane_fb2.width, plane_fb2.height,
+			     0 << 16, 0 << 16, plane_fb2.width << 16,
+			     plane_fb2.height << 16);
+	igt_assert(rc == 0);
+
+	/* Now change the plane without unsetting first. */
+	rc = drmModeSetPlane(drm_fd, plane_id, crtc_id, plane_fb1.fb_id, 0,
+			     crtc_x, crtc_y, plane_fb1.width, plane_fb1.height,
+			     0 << 16, 0 << 16, plane_fb1.width << 16,
+			     plane_fb1.height << 16);
+	igt_assert(rc == 0);
+
+	/* Make sure nothing remains for the other tests. */
+	rc = drmModeSetPlane(drm_fd, plane_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+	igt_assert(rc == 0);
+}
+
+/* This one also triggered WARNs on our driver at some point in time. */
+static void planes_subtest(bool universal, bool dpms)
+{
+	int i, rc, planes_tested = 0;
+	drmModePlaneResPtr planes;
+
+	rc = drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES,
+			     universal);
+	igt_require(rc == 0);
+
+	planes = drmModeGetPlaneResources(drm_fd);
+	for (i = 0; i < planes->count_planes; i++) {
+		drmModePlanePtr plane;
+
+		plane = drmModeGetPlane(drm_fd, planes->planes[i]);
+		igt_assert(plane);
+
+		/* We just pick the first CRTC on the list, so we can test for
+		 * 0x1 as the index. */
+		if (plane->possible_crtcs & 0x1) {
+			enum plane_type type;
+
+			type = universal ? get_plane_type(plane->plane_id) :
+					   PLANE_OVERLAY;
+			test_one_plane(dpms, plane->plane_id, type);
+			planes_tested++;
+		}
+		drmModeFreePlane(plane);
+	}
+	drmModeFreePlaneResources(planes);
+
+	rc = drmSetClientCap(drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 0);
+	igt_assert(rc == 0);
+
+	if (universal)
+		igt_assert(planes_tested >= 3);
+	else
+		igt_assert(planes_tested >= 1);
+}
+
 int rounds = 50;
 bool stay = false;
 
@@ -1577,11 +1779,19 @@ int main(int argc, char *argv[])
 	igt_subtest("gem-idle")
 		gem_idle_subtest();
 
-	/* Cursors */
+	/* Planes and cursors */
 	igt_subtest("cursor")
 		cursor_subtest(false);
 	igt_subtest("cursor-dpms")
 		cursor_subtest(true);
+	igt_subtest("legacy-planes")
+		planes_subtest(false, false);
+	igt_subtest("legacy-planes-dpms")
+		planes_subtest(false, true);
+	igt_subtest("universal-planes")
+		planes_subtest(true, false);
+	igt_subtest("universal-planes-dpms")
+		planes_subtest(true, true);
 
 	/* Misc */
 	igt_subtest("reg-read-ioctl")
-- 
2.0.1

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