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SubjectRe: [PATCH v2 3/4] drm/format-helper: Support multiple target formats results
On Sat, Jul 9, 2022 at 7:58 PM José Expósito <jose.exposito89@gmail.com> wrote:
>
> In order to support multiple destination format conversions, store the
> destination pitch and the expected result in its own structure.
>
> Tested-by: Tales L. Aparecida <tales.aparecida@gmail.com>
> Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> Signed-off-by: José Expósito <jose.exposito89@gmail.com>
> ---

Looks good to me. You could probably merge this with the previous
patch if you wanted to, IMO, but it's also fine like this.

Reviewed-by: David Gow <davidgow@google.com>

Cheers,
-- David


> .../gpu/drm/tests/drm_format_helper_test.c | 53 ++++++++++++-------
> 1 file changed, 33 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
> index f66aaa0e52c9..0a490ad4fd32 100644
> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
> @@ -16,34 +16,42 @@
>
> #define TEST_BUF_SIZE 50
>
> +struct convert_to_rgb332_result {
> + unsigned int dst_pitch;
> + const u8 expected[TEST_BUF_SIZE];
> +};
> +
> struct convert_xrgb8888_case {
> const char *name;
> unsigned int pitch;
> - unsigned int dst_pitch;
> struct drm_rect clip;
> const u32 xrgb8888[TEST_BUF_SIZE];
> - const u8 expected[4 * TEST_BUF_SIZE];
> + struct convert_to_rgb332_result rgb332_result;
> };
>
> static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> {
> .name = "single_pixel_source_buffer",
> .pitch = 1 * 4,
> - .dst_pitch = 0,
> .clip = DRM_RECT_INIT(0, 0, 1, 1),
> .xrgb8888 = { 0x01FF0000 },
> - .expected = { 0xE0 },
> + .rgb332_result = {
> + .dst_pitch = 0,
> + .expected = { 0xE0 },
> + },
> },
> {
> .name = "single_pixel_clip_rectangle",
> .pitch = 2 * 4,
> - .dst_pitch = 0,
> .clip = DRM_RECT_INIT(1, 1, 1, 1),
> .xrgb8888 = {
> 0x00000000, 0x00000000,
> 0x00000000, 0x10FF0000,
> },
> - .expected = { 0xE0 },
> + .rgb332_result = {
> + .dst_pitch = 0,
> + .expected = { 0xE0 },
> + },
> },
> {
> /* Well known colors: White, black, red, green, blue, magenta,
> @@ -52,7 +60,6 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> */
> .name = "well_known_colors",
> .pitch = 4 * 4,
> - .dst_pitch = 0,
> .clip = DRM_RECT_INIT(1, 1, 2, 4),
> .xrgb8888 = {
> 0x00000000, 0x00000000, 0x00000000, 0x00000000,
> @@ -61,28 +68,33 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> 0x00000000, 0x550000FF, 0x66FF00FF, 0x00000000,
> 0x00000000, 0x77FFFF00, 0x8800FFFF, 0x00000000,
> },
> - .expected = {
> - 0xFF, 0x00,
> - 0xE0, 0x1C,
> - 0x03, 0xE3,
> - 0xFC, 0x1F,
> + .rgb332_result = {
> + .dst_pitch = 0,
> + .expected = {
> + 0xFF, 0x00,
> + 0xE0, 0x1C,
> + 0x03, 0xE3,
> + 0xFC, 0x1F,
> + },
> },
> },
> {
> /* Randomly picked colors. Full buffer within the clip area. */
> .name = "destination_pitch",
> .pitch = 3 * 4,
> - .dst_pitch = 5,
> .clip = DRM_RECT_INIT(0, 0, 3, 3),
> .xrgb8888 = {
> 0xA10E449C, 0xB1114D05, 0xC1A80303,
> 0xD16C7073, 0xA20E449C, 0xB2114D05,
> 0xC2A80303, 0xD26C7073, 0xA30E449C,
> },
> - .expected = {
> - 0x0A, 0x08, 0xA0, 0x00, 0x00,
> - 0x6D, 0x0A, 0x08, 0x00, 0x00,
> - 0xA0, 0x6D, 0x0A, 0x00, 0x00,
> + .rgb332_result = {
> + .dst_pitch = 5,
> + .expected = {
> + 0x0A, 0x08, 0xA0, 0x00, 0x00,
> + 0x6D, 0x0A, 0x08, 0x00, 0x00,
> + 0xA0, 0x6D, 0x0A, 0x00, 0x00,
> + },
> },
> },
> };
> @@ -138,6 +150,7 @@ KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
> static void xrgb8888_to_rgb332_test(struct kunit *test)
> {
> const struct convert_xrgb8888_case *params = test->param_value;
> + const struct convert_to_rgb332_result *result = &params->rgb332_result;
> size_t dst_size;
> __u8 *dst = NULL;
> __u32 *src = NULL;
> @@ -147,7 +160,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
> .pitches = { params->pitch, 0, 0 },
> };
>
> - dst_size = conversion_buf_size(DRM_FORMAT_RGB332, params->dst_pitch,
> + dst_size = conversion_buf_size(DRM_FORMAT_RGB332, result->dst_pitch,
> &params->clip);
> KUNIT_ASSERT_GT(test, dst_size, 0);
>
> @@ -157,9 +170,9 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
> src = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
> KUNIT_ASSERT_NOT_ERR_OR_NULL(test, src);
>
> - drm_fb_xrgb8888_to_rgb332(dst, params->dst_pitch, src, &fb,
> + drm_fb_xrgb8888_to_rgb332(dst, result->dst_pitch, src, &fb,
> &params->clip);
> - KUNIT_EXPECT_EQ(test, memcmp(dst, params->expected, dst_size), 0);
> + KUNIT_EXPECT_EQ(test, memcmp(dst, result->expected, dst_size), 0);
> }
>
> static struct kunit_case drm_format_helper_test_cases[] = {
> --
> 2.25.1
>
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