Gen10 onwards 90 and 270 degree rotations are supported for RGB565 format.

v2 (Ville Syrjälä):
As a side effect to keep bad-pixel-format test valid on all supported
platforms it need to use DRM_FORMAT_C8 now.

While at it clean up kms_rotation_crc test a bit, take out
test_plane_rotation_ytiled_obj() function as
test_plane_rotation() can basically do the same.

v3 (Ville Syrjälä):
repurpose test_plane_rotation_ytiled_obj() function for
bad pixel testing with DRM_FORMAT_C8 as igt doesn't
support this format.

v4 (Maarten Lankhorst):
Separate inclusion of RGB565 90 degree rotation into its own patch.

Signed-off-by: Juha-Pekka Heikkila <[email protected]>
---
 tests/kms_rotation_crc.c | 50 +++++++++++++++++++++++-------------------------
 1 file changed, 24 insertions(+), 26 deletions(-)

diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
index 27d1f80..f3b9d61 100644
--- a/tests/kms_rotation_crc.c
+++ b/tests/kms_rotation_crc.c
@@ -376,10 +376,6 @@ static void test_plane_rotation(data_t *data, int 
plane_type)
                                igt_plane_set_size(plane, data->fb.height, 
data->fb.width);
 
                        ret = igt_display_try_commit2(display, commit);
-                       if (data->override_fmt || data->override_tiling) {
-                               igt_assert_eq(ret, -EINVAL);
-                               continue;
-                       }
 
                        /* Verify commit was ok. */
                        igt_assert_eq(ret, 0);
@@ -421,14 +417,13 @@ static void test_plane_rotation(data_t *data, int 
plane_type)
        igt_require_f(valid_tests, "no valid crtc/connector combinations 
found\n");
 }
 
-static void test_plane_rotation_ytiled_obj(data_t *data,
+static void test_bad_pixel_format(data_t *data,
                                           igt_output_t *output,
                                           int plane_type)
 {
        igt_display_t *display = &data->display;
        uint64_t tiling = LOCAL_I915_FORMAT_MOD_Y_TILED;
-       uint32_t format = DRM_FORMAT_XRGB8888;
-       int bpp = igt_drm_format_to_bpp(format);
+       uint32_t format = DRM_FORMAT_C8;
        enum igt_commit_style commit = COMMIT_LEGACY;
        int fd = data->gfx_fd;
        igt_plane_t *plane;
@@ -453,7 +448,7 @@ static void test_plane_rotation_ytiled_obj(data_t *data,
        w = mode->hdisplay;
        h = mode->vdisplay;
 
-       for (stride = 512; stride < (w * bpp / 8); stride *= 2)
+       for (stride = 512; stride < w; stride *= 2)
                ;
        for (size = 1024*1024; size < stride * h; size *= 2)
                ;
@@ -482,7 +477,9 @@ static void test_plane_rotation_ytiled_obj(data_t *data,
 
        kmstest_restore_vt_mode();
        igt_remove_fb(fd, &data->fb);
-       igt_assert_eq(ret, 0);
+       data->fb.fb_id = 0;
+
+       igt_assert_eq(ret, -EINVAL);
 }
 
 static void test_plane_rotation_exhaust_fences(data_t *data,
@@ -693,12 +690,25 @@ igt_main
        }
 
        igt_subtest_f("bad-pixel-format") {
+               enum pipe pipe;
+               igt_output_t *output;
+               int valid_tests = 0;
+
                igt_require(gen >= 9);
                data.pos_x = 0,
                data.pos_y = 0;
                data.rotation = IGT_ROTATION_90;
-               data.override_fmt = DRM_FORMAT_RGB565;
-               test_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
+
+               for_each_pipe_with_valid_output(&data.display, pipe, output) {
+                       igt_output_set_pipe(output, pipe);
+
+                       test_bad_pixel_format(&data, output, 
DRM_PLANE_TYPE_PRIMARY);
+
+                       valid_tests++;
+                       break;
+               }
+
+               igt_require_f(valid_tests, "invalid pixel format accepted for 
rotation\n");
        }
 
        igt_subtest_f("bad-tiling") {
@@ -710,23 +720,11 @@ igt_main
        }
 
        igt_subtest_f("primary-rotation-90-Y-tiled") {
-               enum pipe pipe;
-               igt_output_t *output;
-               int valid_tests = 0;
-
                igt_require(gen >= 9);
                data.rotation = IGT_ROTATION_90;
-
-               for_each_pipe_with_valid_output(&data.display, pipe, output) {
-                       igt_output_set_pipe(output, pipe);
-
-                       test_plane_rotation_ytiled_obj(&data, output, 
DRM_PLANE_TYPE_PRIMARY);
-
-                       valid_tests++;
-                       break;
-               }
-
-               igt_require_f(valid_tests, "no valid crtc/connector 
combinations found\n");
+               data.override_fmt = DRM_FORMAT_XRGB8888;
+               data.override_tiling = LOCAL_I915_FORMAT_MOD_Y_TILED;
+               test_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
        }
 
        igt_subtest_f("exhaust-fences") {
-- 
2.7.4

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