Re: [PATCH i-g-t] igt/kms_rotation_crc: Add horizontal flip subtest.

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On Thu, Nov 23, 2017 at 12:05 AM, Anusha Srivatsa
<anusha.srivatsa@xxxxxxxxx> wrote:
> From: Joseph Garvey <joseph1.garvey@xxxxxxxxx>
>
> Test that horizontal flip works with supported rotations. Includes
> a fix for the unrotated fb which was not being positioned correctly
> with portrait and landscape rectangles.
>
> v2:(from Anusha)
> - Change 180 degree rotation to follow the rest, use
> igt_swap(), make flip variable a bool. Format the
> patch correctly (Ville, Petri Latvala)
>
> v3: (From Anusha)
> - Correct the name of subtests in order to avoid duplication
> of names (Arek)
>
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> Signed-off-by: Joseph Garvey <joseph1.garvey@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Petri Latvala <petri.latvala@xxxxxxxxx>
> Cc: Arkadiusz Hiler <arkadiusz.hiler@xxxxxxxxx>

I didn't see this patch fly by originally, but now Marta pointed out
that this skips everywhere. We need to rework it.

General principle is that in kms tests we should _not_ have any
platform/feature checks encoded in the test. Instead, the testcase
should check properties to figure out whether something should work or
not.


> ---
>  lib/igt_kms.c            |   2 +-
>  lib/igt_kms.h            |   5 ++
>  tests/kms_rotation_crc.c | 198 +++++++++++++++++++++++++++++++++++++----------
>  3 files changed, 164 insertions(+), 41 deletions(-)
>
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index a572fc6..3034e44 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -3050,7 +3050,7 @@ void igt_fb_set_size(struct igt_fb *fb, igt_plane_t *plane,
>
>  static const char *rotation_name(igt_rotation_t rotation)
>  {
> -       switch (rotation) {
> +       switch (rotation & IGT_ROTATION_MASK) {
>         case IGT_ROTATION_0:
>                 return "0°";
>         case IGT_ROTATION_90:
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 8dc118c..b83a828 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -281,8 +281,13 @@ typedef enum {
>         IGT_ROTATION_90  = 1 << 1,
>         IGT_ROTATION_180 = 1 << 2,
>         IGT_ROTATION_270 = 1 << 3,
> +       IGT_REFLECT_X    = 1 << 4,
> +       IGT_REFLECT_Y    = 1 << 5,
>  } igt_rotation_t;
>
> +#define IGT_ROTATION_MASK \
> +       (IGT_ROTATION_0 | IGT_ROTATION_90 | IGT_ROTATION_180 | IGT_ROTATION_270)
> +
>  typedef struct {
>         /*< private >*/
>         igt_pipe_t *pipe;
> diff --git a/tests/kms_rotation_crc.c b/tests/kms_rotation_crc.c
> index 5aec8fa..9e13667 100644
> --- a/tests/kms_rotation_crc.c
> +++ b/tests/kms_rotation_crc.c
> @@ -32,6 +32,7 @@ typedef struct {
>         igt_display_t display;
>         struct igt_fb fb;
>         struct igt_fb fb_reference;
> +       struct igt_fb fb_unrotated;
>         struct igt_fb fb_modeset;
>         struct igt_fb fb_flip;
>         igt_crc_t ref_crc;
> @@ -43,8 +44,59 @@ typedef struct {
>         uint32_t override_fmt;
>         uint64_t override_tiling;
>         bool flips;
> +       int devid;
>  } data_t;
>
> +typedef struct {
> +       float r;
> +       float g;
> +       float b;
> +} rgb_color_t;
> +
> +static void set_color(rgb_color_t *color, float r, float g, float b)
> +{
> +       color->r = r;
> +       color->g = g;
> +       color->b = b;
> +}
> +
> +static void rotate_colors(rgb_color_t *tl, rgb_color_t *tr, rgb_color_t *br,
> +                         rgb_color_t *bl, igt_rotation_t rotation)
> +{
> +       rgb_color_t bl_tmp, br_tmp, tl_tmp, tr_tmp;
> +
> +       if (rotation & IGT_REFLECT_X) {
> +               igt_swap(*tl, *tr);
> +               igt_swap(*bl, *br);
> +       }
> +
> +       if (rotation & IGT_ROTATION_90) {
> +               bl_tmp = *bl;
> +               br_tmp = *br;
> +               tl_tmp = *tl;
> +               tr_tmp = *tr;
> +               *tl = tr_tmp;
> +               *bl = tl_tmp;
> +               *tr = br_tmp;
> +               *br = bl_tmp;
> +       } else if (rotation & IGT_ROTATION_180) {
> +               igt_swap(*tl, *br);
> +               igt_swap(*tr, *bl);
> +       } else if (rotation & IGT_ROTATION_270) {
> +               bl_tmp = *bl;
> +               br_tmp = *br;
> +               tl_tmp = *tl;
> +               tr_tmp = *tr;
> +               *tl = bl_tmp;
> +               *bl = br_tmp;
> +               *tr = tl_tmp;
> +               *br = tr_tmp;
> +       }
> +}
> +
> +#define RGB_COLOR(color) \
> +       color.r, color.g, color.b
> +
>  static void
>  paint_squares(data_t *data, igt_rotation_t rotation,
>               struct igt_fb *fb, float o)
> @@ -52,35 +104,21 @@ paint_squares(data_t *data, igt_rotation_t rotation,
>         cairo_t *cr;
>         unsigned int w = fb->width;
>         unsigned int h = fb->height;
> +       rgb_color_t tl, tr, bl, br;
>
>         cr = igt_get_cairo_ctx(data->gfx_fd, fb);
>
> -       if (rotation == IGT_ROTATION_180) {
> -               cairo_translate(cr, w, h);
> -               cairo_rotate(cr, M_PI);
> -       }
> +       set_color(&tl, o, 0.0f, 0.0f);
> +       set_color(&tr, 0.0f, o, 0.0f);
> +       set_color(&br, o, o, o);
> +       set_color(&bl, 0.0f, 0.0f, o);
>
> -       if (rotation == IGT_ROTATION_90) {
> -               /* Paint 4 squares with width == height in Green, White,
> -               Blue, Red Clockwise order to look like 270 degree rotated*/
> -               igt_paint_color(cr, 0, 0, w / 2, h / 2, 0.0, o, 0.0);
> -               igt_paint_color(cr, w / 2, 0, w / 2, h / 2, o, o, o);
> -               igt_paint_color(cr, 0, h / 2, w / 2, h / 2, o, 0.0, 0.0);
> -               igt_paint_color(cr, w / 2, h / 2, w / 2, h / 2, 0.0, 0.0, o);
> -       } else if (rotation == IGT_ROTATION_270) {
> -               /* Paint 4 squares with width == height in Blue, Red,
> -               Green, White Clockwise order to look like 90 degree rotated*/
> -               igt_paint_color(cr, 0, 0, w / 2, h / 2, 0.0, 0.0, o);
> -               igt_paint_color(cr, w / 2, 0, w / 2, h / 2, o, 0.0, 0.0);
> -               igt_paint_color(cr, 0, h / 2, w / 2, h / 2, o, o, o);
> -               igt_paint_color(cr, w / 2, h / 2, w / 2, h / 2, 0.0, o, 0.0);
> -       } else {
> -               /* Paint with 4 squares of Red, Green, White, Blue Clockwise */
> -               igt_paint_color(cr, 0, 0, w / 2, h / 2, o, 0.0, 0.0);
> -               igt_paint_color(cr, w / 2, 0, w / 2, h / 2, 0.0, o, 0.0);
> -               igt_paint_color(cr, 0, h / 2, w / 2, h / 2, 0.0, 0.0, o);
> -               igt_paint_color(cr, w / 2, h / 2, w / 2, h / 2, o, o, o);
> -       }
> +       rotate_colors(&tl, &tr, &br, &bl, rotation);
> +
> +       igt_paint_color(cr, 0, 0, w / 2, h / 2, RGB_COLOR(tl));
> +       igt_paint_color(cr, w / 2, 0, w / 2, h / 2, RGB_COLOR(tr));
> +       igt_paint_color(cr, 0, h / 2, w / 2, h / 2, RGB_COLOR(bl));
> +       igt_paint_color(cr, w / 2, h / 2, w / 2, h / 2, RGB_COLOR(br));
>
>         cairo_destroy(cr);
>  }
> @@ -141,6 +179,7 @@ static void remove_fbs(data_t *data)
>
>         igt_remove_fb(data->gfx_fd, &data->fb);
>         igt_remove_fb(data->gfx_fd, &data->fb_reference);
> +       igt_remove_fb(data->gfx_fd, &data->fb_unrotated);
>
>         if (data->fb_flip.fb_id)
>                 igt_remove_fb(data->gfx_fd, &data->fb_flip);
> @@ -212,17 +251,12 @@ static void prepare_fbs(data_t *data, igt_output_t *output,
>          * For 90/270, we will use create smaller fb so that the rotated
>          * frame can fit in
>          */
> -       if (data->rotation == IGT_ROTATION_90 ||
> -           data->rotation == IGT_ROTATION_270) {
> +       if (data->rotation & (IGT_ROTATION_90 | IGT_ROTATION_270)) {
>                 tiling = data->override_tiling ?: LOCAL_I915_FORMAT_MOD_Y_TILED;
>
>                 igt_swap(w, h);
>         }
>
> -       igt_create_fb(data->gfx_fd, w, h, pixel_format, tiling, &data->fb);
> -
> -       igt_plane_set_rotation(plane, IGT_ROTATION_0);
> -
>         /*
>          * Create a reference software rotated flip framebuffer.
>          */
> @@ -255,8 +289,20 @@ static void prepare_fbs(data_t *data, igt_output_t *output,
>         igt_pipe_crc_collect_crc(data->pipe_crc, &data->ref_crc);
>
>         /*
> +        * Prepare the non-rotated reference fb.
> +        */
> +       igt_create_fb(data->gfx_fd, ref_w, ref_h, pixel_format, tiling, &data->fb_unrotated);
> +       paint_squares(data, IGT_ROTATION_0, &data->fb_unrotated, 1.0);
> +       igt_plane_set_fb(plane, &data->fb_unrotated);
> +       igt_plane_set_rotation(plane, IGT_ROTATION_0);
> +       if (plane->type != DRM_PLANE_TYPE_CURSOR)
> +               igt_plane_set_position(plane, data->pos_x, data->pos_y);
> +       igt_display_commit2(display, display->is_atomic ? COMMIT_ATOMIC : COMMIT_UNIVERSAL);
> +
> +       /*
>          * Prepare the plane with an non-rotated fb let the hw rotate it.
>          */
> +       igt_create_fb(data->gfx_fd, w, h, pixel_format, tiling, &data->fb);
>         paint_squares(data, IGT_ROTATION_0, &data->fb, 1.0);
>         igt_plane_set_fb(plane, &data->fb);
>
> @@ -322,7 +368,7 @@ static void wait_for_pageflip(int fd)
>         igt_assert(drmHandleEvent(fd, &evctx) == 0);
>  }
>
> -static void test_plane_rotation(data_t *data, int plane_type)
> +static void __test_plane_rotation(data_t *data, int plane_type, bool test_bad_format)
>  {
>         igt_display_t *display = &data->display;
>         igt_output_t *output;
> @@ -348,6 +394,9 @@ static void test_plane_rotation(data_t *data, int plane_type)
>                 igt_plane_t *plane;
>                 int i;
>
> +               if (IS_CHERRYVIEW(data->devid) && pipe != PIPE_B)
> +                       continue;

This check here must be removed.

> +
>                 igt_output_set_pipe(output, pipe);
>
>                 plane = igt_output_get_plane_type(output, plane_type);
> @@ -369,14 +418,12 @@ static void test_plane_rotation(data_t *data, int plane_type)
>                         igt_debug("Testing case %i on pipe %s\n", i, kmstest_pipe_name(pipe));
>                         prepare_fbs(data, output, plane, i);
>
> -                       igt_display_commit2(display, commit);
> -
>                         igt_plane_set_rotation(plane, data->rotation);
> -                       if (data->rotation == IGT_ROTATION_90 || data->rotation == IGT_ROTATION_270)
> +                       if (data->rotation & (IGT_ROTATION_90 | IGT_ROTATION_270))
>                                 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) {
> +                       if (test_bad_format && (data->override_fmt || data->override_tiling)) {
>                                 igt_assert_eq(ret, -EINVAL);
>                                 continue;
>                         }
> @@ -421,6 +468,16 @@ static void test_plane_rotation(data_t *data, int plane_type)
>         igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
>  }
>
> +static inline void test_bad_plane_rotation(data_t *data, int plane_type)
> +{
> +       __test_plane_rotation(data, plane_type, true);
> +}
> +
> +static inline void test_plane_rotation(data_t *data, int plane_type)
> +{
> +       __test_plane_rotation(data, plane_type, false);
> +}
> +
>  static void test_plane_rotation_ytiled_obj(data_t *data,
>                                            igt_output_t *output,
>                                            int plane_type)
> @@ -613,6 +670,8 @@ static const char *plane_test_str(unsigned plane)
>  static const char *rot_test_str(igt_rotation_t rot)
>  {
>         switch (rot) {
> +       case IGT_ROTATION_0:
> +               return "0";
>         case IGT_ROTATION_90:
>                 return "90";
>         case IGT_ROTATION_180:
> @@ -624,6 +683,20 @@ static const char *rot_test_str(igt_rotation_t rot)
>         }
>  }
>
> +static const char *tiling_test_str(uint64_t tiling)
> +{
> +       switch (tiling) {
> +       case LOCAL_I915_FORMAT_MOD_X_TILED:
> +               return "x-tiled";
> +       case LOCAL_I915_FORMAT_MOD_Y_TILED:
> +               return "y-tiled";
> +       case LOCAL_I915_FORMAT_MOD_Yf_TILED:
> +               return "yf-tiled";
> +       default:
> +               igt_assert(0);
> +       }
> +}
> +
>  static const char *flip_test_str(unsigned flips)
>  {
>         if (flips)
> @@ -637,7 +710,7 @@ igt_main
>         struct rot_subtest {
>                 unsigned plane;
>                 igt_rotation_t rot;
> -               unsigned flips;
> +               bool flips;
>         } *subtest, subtests[] = {
>                 { DRM_PLANE_TYPE_PRIMARY, IGT_ROTATION_90, 0 },
>                 { DRM_PLANE_TYPE_PRIMARY, IGT_ROTATION_180, 0 },
> @@ -654,6 +727,35 @@ igt_main
>                 { DRM_PLANE_TYPE_CURSOR, IGT_ROTATION_180, 0 },
>                 { 0, 0, 0}
>         };
> +
> +       struct reflect_x {
> +               uint64_t tiling;
> +               igt_rotation_t rot;
> +               bool flips;
> +       } *reflect_x, reflect_x_subtests[] = {
> +               { LOCAL_I915_FORMAT_MOD_X_TILED, IGT_ROTATION_0, 0 },
> +               { LOCAL_I915_FORMAT_MOD_X_TILED, IGT_ROTATION_180, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_0, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_90, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_180, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_270, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_0, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_90, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_180, 0 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_270, 0 },
> +               { LOCAL_I915_FORMAT_MOD_X_TILED, IGT_ROTATION_0, 1 },
> +               { LOCAL_I915_FORMAT_MOD_X_TILED, IGT_ROTATION_180, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_0, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_90, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_180, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Y_TILED, IGT_ROTATION_270, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_0, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_90, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_180, 1 },
> +               { LOCAL_I915_FORMAT_MOD_Yf_TILED, IGT_ROTATION_270, 1 },
> +               { 0, 0, 0 }
> +       };
> +
>         data_t data = {};
>         int gen = 0;
>
> @@ -661,7 +763,8 @@ igt_main
>
>         igt_fixture {
>                 data.gfx_fd = drm_open_driver_master(DRIVER_INTEL);
> -               gen = intel_gen(intel_get_drm_devid(data.gfx_fd));
> +               data.devid = intel_get_drm_devid(data.gfx_fd);
> +               gen = intel_gen(data.devid);
>
>                 kmstest_set_vt_graphics_mode();
>
> @@ -698,7 +801,7 @@ igt_main
>                 data.pos_y = 0;
>                 data.rotation = IGT_ROTATION_90;
>                 data.override_fmt = DRM_FORMAT_RGB565;
> -               test_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
> +               test_bad_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
>         }
>
>         igt_subtest_f("bad-tiling") {
> @@ -706,7 +809,7 @@ igt_main
>                 data.override_fmt = 0;
>                 data.rotation = IGT_ROTATION_90;
>                 data.override_tiling = LOCAL_DRM_FORMAT_MOD_NONE;
> -               test_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
> +               test_bad_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
>         }
>
>         igt_subtest_f("primary-rotation-90-Y-tiled") {
> @@ -729,6 +832,21 @@ igt_main
>                 igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
>         }
>
> +       for (reflect_x = reflect_x_subtests; reflect_x->tiling; reflect_x++) {
> +               igt_subtest_f("primary-%s-reflect-x-%s%s",
> +                             tiling_test_str(reflect_x->tiling),
> +                             rot_test_str(reflect_x->rot),
> +                             flip_test_str(reflect_x->flips)) {
> +                       igt_require(gen >= 10 ||
> +                                   (IS_CHERRYVIEW(data.devid) && reflect_x->rot == IGT_ROTATION_0
> +                                    && reflect_x->tiling == LOCAL_I915_FORMAT_MOD_X_TILED));

This check here also must be removed and instead we need to check
whether the rotation property supports the combination of
rotation/flipping that we want to test.

Anusha, can you pls follow up with this?

Cc'ing Luis too to keep track of this.

Thanks, Daniel

> +                       data.rotation = (IGT_REFLECT_X | reflect_x->rot);
> +                       data.override_tiling = reflect_x->tiling;
> +                       data.flips = reflect_x->flips;
> +                       test_plane_rotation(&data, DRM_PLANE_TYPE_PRIMARY);
> +               }
> +       }
> +
>         igt_subtest_f("exhaust-fences") {
>                 enum pipe pipe;
>                 igt_output_t *output;
> --
> 2.7.4
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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