tests/i915_pxp: CRC validation for display tests.

Added subtests to validate pxp using CRC validation.

Signed-off-by: Karthik B S <karthik.b.s@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

1 files changed, 163 insertions, 0 deletions

diff --git a/tests/i915/gem_pxp.c b/tests/i915/gem_pxp.c
index 2848e487..79040165 100644
--- a/tests/i915/gem_pxp.c
+++ b/tests/i915/gem_pxp.c
@@ -437,6 +437,7 @@ static uint32_t alloc_and_fill_dest_buff(int i915, bool protected, uint32_t size
 #define TSTSURF_INITCOLOR1  0x12341234
 #define TSTSURF_INITCOLOR2  0x56785678
 #define TSTSURF_INITCOLOR3  0xabcdabcd
+#define TSTSURF_GREENCOLOR  0xFF00FF00
 
 static void test_render_baseline(int i915)
 {
@@ -1013,6 +1014,152 @@ static void test_pxp_pwrcycle_staleasset_execution(int i915, struct powermgt_dat
 	free_exec_assets(i915, &data[2]);
 }
 
+static void setup_protected_fb(int i915, int width, int height, igt_fb_t *fb, uint32_t ctx)
+{
+	int err;
+	uint32_t srcbo;
+	struct intel_buf *srcbuf, *dstbuf;
+	struct buf_ops *bops;
+	struct intel_bb *ibb;
+	uint32_t devid;
+	igt_render_copyfunc_t rendercopy;
+
+	devid = intel_get_drm_devid(i915);
+	igt_assert(devid);
+
+	rendercopy = igt_get_render_copyfunc(devid);
+	igt_assert(rendercopy);
+
+	bops = buf_ops_create(i915);
+	igt_assert(bops);
+
+	igt_init_fb(fb, i915, width, height, DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE,
+		    IGT_COLOR_YCBCR_BT709, IGT_COLOR_YCBCR_LIMITED_RANGE);
+
+	igt_calc_fb_size(i915, width, height, DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE,
+			 &fb->size, &fb->strides[0]);
+
+	err = create_bo_ext(i915, fb->size, true, &(fb->gem_handle));
+	igt_assert_eq(err, 0);
+	igt_assert(fb->gem_handle);
+
+	err = __gem_set_tiling(i915, fb->gem_handle, igt_fb_mod_to_tiling(fb->modifier),
+			       fb->strides[0]);
+	igt_assert(err == 0 || err == -EOPNOTSUPP);
+
+	do_or_die(__kms_addfb(fb->fd, fb->gem_handle, fb->width, fb->height, fb->drm_format,
+			      fb->modifier, fb->strides, fb->offsets, fb->num_planes,
+			      DRM_MODE_FB_MODIFIERS, &fb->fb_id));
+
+	dstbuf = intel_buf_create_using_handle(bops, fb->gem_handle, fb->width, fb->height,
+					       fb->plane_bpp[0], 0,
+					       igt_fb_mod_to_tiling(fb->modifier), 0);
+	dstbuf->is_protected = true;
+
+	srcbo = alloc_and_fill_dest_buff(i915, false, fb->size, TSTSURF_GREENCOLOR);
+	srcbuf = intel_buf_create_using_handle(bops, srcbo, fb->width, fb->height,
+					       fb->plane_bpp[0], 0,
+					       igt_fb_mod_to_tiling(fb->modifier), 0);
+
+	ibb = intel_bb_create_with_context(i915, ctx, 4096);
+	igt_assert(ibb);
+
+	ibb->pxp.enabled = true;
+	ibb->pxp.apptype = DISPLAY_APPTYPE;
+	ibb->pxp.appid = I915_PROTECTED_CONTENT_DEFAULT_SESSION;
+
+	gen12_render_copyfunc(ibb, srcbuf, 0, 0, fb->width, fb->height, dstbuf, 0, 0);
+
+	gem_sync(i915, fb->gem_handle);
+	assert_bo_content_check(i915, fb->gem_handle, COMPARE_COLOR_UNREADIBLE, fb->size,
+				TSTSURF_GREENCOLOR, NULL, 0);
+
+	intel_bb_destroy(ibb);
+	intel_buf_destroy(srcbuf);
+	gem_close(i915, srcbo);
+}
+
+#define KERNEL_AUTH_TIME_ALLOWED_MSEC		(3 *  6 * 1000)
+#define KERNEL_DISABLE_TIME_ALLOWED_MSEC	(1 * 1000)
+
+static void test_display_protected_crc(int i915, igt_display_t *display)
+{
+	igt_output_t *output;
+	drmModeModeInfo *mode;
+	igt_fb_t ref_fb, protected_fb;
+	igt_plane_t *plane;
+	igt_pipe_t *pipe;
+	igt_pipe_crc_t *pipe_crc;
+	igt_crc_t ref_crc, new_crc;
+	int width = 0, height = 0, i = 0, ret;
+	uint32_t ctx;
+
+	ret = create_ctx_with_params(i915, true, true, true, false, &ctx);
+	igt_assert_eq(ret, 0);
+
+	for_each_connected_output(display, output) {
+		mode = igt_output_get_mode(output);
+
+		width = max(width, mode->hdisplay);
+		height = max(height, mode->vdisplay);
+	}
+
+	igt_create_color_fb(i915, width, height, DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE,
+			    0, 1, 0, &ref_fb);
+
+	/* Do a modeset on all outputs */
+	for_each_connected_output(display, output) {
+		mode = igt_output_get_mode(output);
+		pipe = &display->pipes[i];
+		plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
+		igt_require(igt_pipe_connector_valid(i, output));
+		igt_output_set_pipe(output, i);
+
+		igt_plane_set_fb(plane, &ref_fb);
+		igt_fb_set_size(&ref_fb, plane, mode->hdisplay, mode->vdisplay);
+		igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
+
+		igt_display_commit2(display, COMMIT_ATOMIC);
+		i++;
+	}
+
+	setup_protected_fb(i915, width, height, &protected_fb, ctx);
+
+	for_each_connected_output(display, output) {
+		mode = igt_output_get_mode(output);
+		pipe = &display->pipes[output->pending_pipe];
+		pipe_crc = igt_pipe_crc_new(i915, pipe->pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
+		plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
+		igt_require(igt_pipe_connector_valid(pipe->pipe, output));
+		igt_output_set_pipe(output, pipe->pipe);
+
+		igt_plane_set_fb(plane, &ref_fb);
+		igt_fb_set_size(&ref_fb, plane, mode->hdisplay, mode->vdisplay);
+		igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
+
+		igt_display_commit2(display, COMMIT_ATOMIC);
+		igt_pipe_crc_collect_crc(pipe_crc, &ref_crc);
+
+		igt_plane_set_fb(plane, &protected_fb);
+		igt_fb_set_size(&protected_fb, plane, mode->hdisplay, mode->vdisplay);
+		igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
+
+		igt_display_commit2(display, COMMIT_ATOMIC);
+		igt_pipe_crc_collect_crc(pipe_crc, &new_crc);
+		igt_assert_crc_equal(&ref_crc, &new_crc);
+
+		/*
+		 * Testing with one pipe-output combination is sufficient.
+		 * So break the loop.
+		 */
+		break;
+	}
+
+	gem_context_destroy(i915, ctx);
+	igt_remove_fb(i915, &ref_fb);
+	igt_remove_fb(i915, &protected_fb);
+}
+
 igt_main
 {
 	int i915 = -1;
@@ -1020,6 +1167,7 @@ igt_main
 	struct powermgt_data pm = {0};
 	igt_render_copyfunc_t rendercopy = NULL;
 	uint32_t devid = 0;
+	igt_display_t display;
 
 	igt_fixture
 	{
@@ -1113,6 +1261,21 @@ igt_main
 		igt_subtest("verify-pxp-execution-after-suspend-resume")
 			test_pxp_pwrcycle_staleasset_execution(i915, &pm);
 	}
+	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_require_pipe_crc(i915);
+			igt_display_require(&display, i915);
+		}
+		igt_describe("Test the display CRC");
+		igt_subtest("display-protected-crc")
+			test_display_protected_crc(i915, &display);
+	}
 
 	igt_fixture {
 		close(i915);