[PATCH v3 1/2] drm/plane_helper: Print actual/expected values on failure
Maíra Canal
mairacanal at riseup.net
Wed Sep 7 20:16:44 UTC 2022
On 9/5/22 15:32, Michał Winiarski wrote:
> Currently the values are printed with debug log level.
> Adjust the log level and link the output with the test by using kunit_err.
>
> Example output:
> foo: dst: 20x20+10+10, expected: 10x10+0+0
> foo: EXPECTATION FAILED at drivers/gpu/drm/tests/drm_plane_helper_test.c:85
>
> Signed-off-by: Michał Winiarski <michal.winiarski at intel.com>
Reviewed-by: Maíra Canal <mairacanal at riseup.net>
Best Regards,
- Maíra Canal
> ---
> drivers/gpu/drm/tests/drm_plane_helper_test.c | 78 +++++++++++--------
> 1 file changed, 44 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> index be6cff0020ed..0bbd42d2d37b 100644
> --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> @@ -10,6 +10,7 @@
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_framebuffer.h>
> #include <drm/drm_modes.h>
> +#include <drm/drm_rect.h>
>
> static void set_src(struct drm_plane_state *plane_state,
> unsigned int src_x, unsigned int src_y,
> @@ -21,26 +22,32 @@ static void set_src(struct drm_plane_state *plane_state,
> plane_state->src_h = src_h;
> }
>
> -static bool check_src_eq(struct drm_plane_state *plane_state,
> +static bool check_src_eq(struct kunit *test, struct drm_plane_state *plane_state,
> unsigned int src_x, unsigned int src_y,
> unsigned int src_w, unsigned int src_h)
> {
> + struct drm_rect expected = DRM_RECT_INIT(src_x, src_y, src_w, src_h);
> +
> if (plane_state->src.x1 < 0) {
> - pr_err("src x coordinate %x should never be below 0.\n", plane_state->src.x1);
> - drm_rect_debug_print("src: ", &plane_state->src, true);
> + kunit_err(test,
> + "src x coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT,
> + plane_state->src.x1, DRM_RECT_FP_ARG(&plane_state->src));
> return false;
> }
> if (plane_state->src.y1 < 0) {
> - pr_err("src y coordinate %x should never be below 0.\n", plane_state->src.y1);
> - drm_rect_debug_print("src: ", &plane_state->src, true);
> + kunit_err(test,
> + "src y coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT,
> + plane_state->src.y1, DRM_RECT_FP_ARG(&plane_state->src));
> return false;
> }
>
> - if (plane_state->src.x1 != src_x ||
> - plane_state->src.y1 != src_y ||
> - drm_rect_width(&plane_state->src) != src_w ||
> - drm_rect_height(&plane_state->src) != src_h) {
> - drm_rect_debug_print("src: ", &plane_state->src, true);
> + if (plane_state->src.x1 != expected.x1 ||
> + plane_state->src.y1 != expected.y1 ||
> + drm_rect_width(&plane_state->src) != drm_rect_width(&expected) ||
> + drm_rect_height(&plane_state->src) != drm_rect_height(&expected)) {
> + kunit_err(test, "src: " DRM_RECT_FP_FMT ", expected: " DRM_RECT_FP_FMT,
> + DRM_RECT_FP_ARG(&plane_state->src), DRM_RECT_FP_ARG(&expected));
> +
> return false;
> }
>
> @@ -57,15 +64,18 @@ static void set_crtc(struct drm_plane_state *plane_state,
> plane_state->crtc_h = crtc_h;
> }
>
> -static bool check_crtc_eq(struct drm_plane_state *plane_state,
> +static bool check_crtc_eq(struct kunit *test, struct drm_plane_state *plane_state,
> int crtc_x, int crtc_y,
> unsigned int crtc_w, unsigned int crtc_h)
> {
> - if (plane_state->dst.x1 != crtc_x ||
> - plane_state->dst.y1 != crtc_y ||
> - drm_rect_width(&plane_state->dst) != crtc_w ||
> - drm_rect_height(&plane_state->dst) != crtc_h) {
> - drm_rect_debug_print("dst: ", &plane_state->dst, false);
> + struct drm_rect expected = DRM_RECT_INIT(crtc_x, crtc_y, crtc_w, crtc_h);
> +
> + if (plane_state->dst.x1 != expected.x1 ||
> + plane_state->dst.y1 != expected.y1 ||
> + drm_rect_width(&plane_state->dst) != drm_rect_width(&expected) ||
> + drm_rect_height(&plane_state->dst) != drm_rect_height(&expected)) {
> + kunit_err(test, "dst: " DRM_RECT_FMT ", expected: " DRM_RECT_FMT,
> + DRM_RECT_ARG(&plane_state->dst), DRM_RECT_ARG(&expected));
>
> return false;
> }
> @@ -109,8 +119,8 @@ static void igt_check_plane_state(struct kunit *test)
> false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple clipping check should pass\n");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1024 << 16, 768 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 1024 << 16, 768 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
>
> /* Rotated clipping + reflection, no scaling. */
> plane_state.rotation = DRM_MODE_ROTATE_90 | DRM_MODE_REFLECT_X;
> @@ -120,8 +130,8 @@ static void igt_check_plane_state(struct kunit *test)
> false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Rotated clipping check should pass\n");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 768 << 16, 1024 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 768 << 16, 1024 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
> plane_state.rotation = DRM_MODE_ROTATE_0;
>
> /* Check whether positioning works correctly. */
> @@ -140,8 +150,8 @@ static void igt_check_plane_state(struct kunit *test)
> true, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple positioning should work\n");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1023 << 16, 767 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1023, 767));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 1023 << 16, 767 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1023, 767));
>
> /* Simple scaling tests. */
> set_src(&plane_state, 0, 0, 512 << 16, 384 << 16);
> @@ -157,8 +167,8 @@ static void igt_check_plane_state(struct kunit *test)
> false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Upscaling exactly 2x should work\n");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 512 << 16, 384 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 512 << 16, 384 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
>
> set_src(&plane_state, 0, 0, 2048 << 16, 1536 << 16);
> ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
> @@ -170,8 +180,8 @@ static void igt_check_plane_state(struct kunit *test)
> 0x20000, false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed with exact scaling limit\n");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2048 << 16, 1536 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 2048 << 16, 1536 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
>
> /* Testing rounding errors. */
> set_src(&plane_state, 0, 0, 0x40001, 0x40001);
> @@ -182,8 +192,8 @@ static void igt_check_plane_state(struct kunit *test)
> true, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 2 << 16, 2 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 1022, 766, 2, 2));
>
> set_src(&plane_state, 0x20001, 0x20001, 0x4040001, 0x3040001);
> set_crtc(&plane_state, -2, -2, 1028, 772);
> @@ -193,9 +203,9 @@ static void igt_check_plane_state(struct kunit *test)
> false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x40002, 0x40002,
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0x40002, 0x40002,
> 1024 << 16, 768 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
>
> set_src(&plane_state, 0, 0, 0x3ffff, 0x3ffff);
> set_crtc(&plane_state, 1022, 766, 4, 4);
> @@ -206,8 +216,8 @@ static void igt_check_plane_state(struct kunit *test)
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> /* Should not be rounded to 0x20001, which would be upscaling. */
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2));
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 2 << 16, 2 << 16));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 1022, 766, 2, 2));
>
> set_src(&plane_state, 0x1ffff, 0x1ffff, 0x403ffff, 0x303ffff);
> set_crtc(&plane_state, -2, -2, 1028, 772);
> @@ -217,9 +227,9 @@ static void igt_check_plane_state(struct kunit *test)
> false, false);
> KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
> KUNIT_EXPECT_TRUE(test, plane_state.visible);
> - KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x3fffe, 0x3fffe,
> + KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0x3fffe, 0x3fffe,
> 1024 << 16, 768 << 16));
> - KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
> + KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768));
> }
>
> static struct kunit_case drm_plane_helper_test[] = {
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