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drm/tests: Add test cases for drm_rect_calc_vscale()

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Insert parameterized test for the drm_rect_calc_vscale() to ensure
correctness and prevent future regressions. Besides the test for the
usual case, tests the exceptions.

It uses the same struct from drm_rect_calc_hscale().

Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net>
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418230146.461129-4-arthurgrillo@riseup.net
This commit is contained in:
Arthur Grillo
2023-04-18 20:01:44 -03:00
committed by Maíra Canal
parent 1f01f2247e
commit 881e2a9cc1
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/tests/drm_rect_test.c
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@@ -414,6 +414,17 @@ static void drm_test_rect_calc_hscale(struct kunit *test)
KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);
}
static void drm_test_rect_calc_vscale(struct kunit *test)
{
const struct drm_rect_scale_case *params = test->param_value;
int scaling_factor;
scaling_factor = drm_rect_calc_vscale(&params->src, &params->dst,
params->min_range, params->max_range);
KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor);
}
static struct kunit_case drm_rect_tests[] = {
KUNIT_CASE(drm_test_rect_clip_scaled_div_by_zero),
KUNIT_CASE(drm_test_rect_clip_scaled_not_clipped),
@@ -421,6 +432,7 @@ static struct kunit_case drm_rect_tests[] = {
KUNIT_CASE(drm_test_rect_clip_scaled_signed_vs_unsigned),
KUNIT_CASE_PARAM(drm_test_rect_intersect, drm_rect_intersect_gen_params),
KUNIT_CASE_PARAM(drm_test_rect_calc_hscale, drm_rect_scale_gen_params),
KUNIT_CASE_PARAM(drm_test_rect_calc_vscale, drm_rect_scale_gen_params),
{ }
};