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kms_frontbuffer_tracking: add scaledprimary subtest
It's not testing a lot since we lack the Kernel Stolen Memory Checker, but some day this will be useful. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
This commit is contained in:
Paulo Zanoni
parent
bb2ebe92ef
commit
c1daf330e9
@ -2496,6 +2496,125 @@ static void fullscreen_plane_subtest(const struct test_mode *t)
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igt_remove_fb(drm.fd, &fullscreen_fb);
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}
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/*
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* scaledprimary - try different primary plane scaling strategies
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*
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* METHOD
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* Enable the primary plane, use drmModeSetPlane to force scaling in
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* different ways.
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*
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* EXPECTED RESULTS
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* SKIP on platforms that don't support primary plane scaling. Success on all
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* others.
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*
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* FAILURES
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* TODO: although we're exercising the code here, we're not really doing
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* assertions in order to check if things are working properly. The biggest
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* issue this code would be able to find would be an incorrectly calculated
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* CFB size, and today we don't have means to assert this. One day we might
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* implement some sort of stolen memory checking mechanism, then we'll be able
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* to force it to run after every drmModeSetPlane call here, so we'll be
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* checking if the expected CFB size is actually what we think it is.
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*/
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static void scaledprimary_subtest(const struct test_mode *t)
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{
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struct igt_fb new_fb, *old_fb;
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struct modeset_params *params = pick_params(t);
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int i, rc;
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uint32_t plane_id;
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igt_require_f(intel_gen(intel_get_drm_devid(drm.fd)) >= 9,
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"Can't test primary plane scaling before gen 9\n");
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prepare_subtest(t, NULL);
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old_fb = params->fb.fb;
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create_fb(t->format, params->fb.fb->width, params->fb.fb->height,
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LOCAL_I915_FORMAT_MOD_X_TILED,
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t->plane, &new_fb);
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fill_fb(&new_fb, COLOR_BLUE);
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igt_draw_rect_fb(drm.fd, drm.bufmgr, NULL, &new_fb, t->method,
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params->fb.x, params->fb.y,
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params->fb.w / 2, params->fb.h / 2,
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pick_color(&new_fb, COLOR_GREEN));
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igt_draw_rect_fb(drm.fd, drm.bufmgr, NULL, &new_fb, t->method,
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params->fb.x + params->fb.w / 2,
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params->fb.y + params->fb.h / 2,
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params->fb.w / 2, params->fb.h / 2,
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pick_color(&new_fb, COLOR_RED));
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igt_draw_rect_fb(drm.fd, drm.bufmgr, NULL, &new_fb, t->method,
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params->fb.x + params->fb.w / 2,
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params->fb.y + params->fb.h / 2,
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params->fb.w / 4, params->fb.h / 4,
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pick_color(&new_fb, COLOR_MAGENTA));
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for (i = 0; i < drm.plane_res->count_planes; i++)
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if ((drm.planes[i]->possible_crtcs & 1) &&
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drm.plane_types[i] == DRM_PLANE_TYPE_PRIMARY)
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plane_id = drm.planes[i]->plane_id;
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/* No scaling. */
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rc = drmModeSetPlane(drm.fd, plane_id, params->crtc_id,
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new_fb.fb_id, 0,
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0, 0,
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params->mode->hdisplay, params->mode->vdisplay,
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params->fb.x << 16, params->fb.y << 16,
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params->fb.w << 16, params->fb.h << 16);
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igt_assert(rc == 0);
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do_assertions(DONT_ASSERT_CRC);
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/* Source upscaling. */
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rc = drmModeSetPlane(drm.fd, plane_id, params->crtc_id,
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new_fb.fb_id, 0,
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0, 0,
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params->mode->hdisplay, params->mode->vdisplay,
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params->fb.x << 16, params->fb.y << 16,
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(params->fb.w / 2) << 16,
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(params->fb.h / 2) << 16);
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igt_assert(rc == 0);
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do_assertions(DONT_ASSERT_CRC);
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/* Destination doesn't fill the entire CRTC, no scaling. */
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rc = drmModeSetPlane(drm.fd, plane_id, params->crtc_id,
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new_fb.fb_id, 0,
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params->mode->hdisplay / 4,
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params->mode->vdisplay / 4,
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params->mode->hdisplay / 2,
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params->mode->vdisplay / 2,
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params->fb.x << 16, params->fb.y << 16,
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(params->fb.w / 2) << 16,
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(params->fb.h / 2) << 16);
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igt_assert(rc == 0);
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do_assertions(DONT_ASSERT_CRC);
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/* Destination doesn't fill the entire CRTC, upscaling. */
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rc = drmModeSetPlane(drm.fd, plane_id, params->crtc_id,
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new_fb.fb_id, 0,
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params->mode->hdisplay / 4,
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params->mode->vdisplay / 4,
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params->mode->hdisplay / 2,
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params->mode->vdisplay / 2,
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(params->fb.x + params->fb.w / 2) << 16,
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(params->fb.y + params->fb.h / 2) << 16,
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(params->fb.w / 4) << 16,
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(params->fb.h / 4) << 16);
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igt_assert(rc == 0);
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do_assertions(DONT_ASSERT_CRC);
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/* Back to the good and old blue fb. */
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rc = drmModeSetPlane(drm.fd, plane_id, params->crtc_id,
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old_fb->fb_id, 0,
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0, 0,
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params->mode->hdisplay, params->mode->vdisplay,
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params->fb.x << 16, params->fb.y << 16,
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params->fb.w << 16, params->fb.h << 16);
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igt_assert(rc == 0);
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do_assertions(0);
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igt_remove_fb(drm.fd, &new_fb);
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}
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/**
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* modesetfrombusy - modeset from a busy buffer to a non-busy buffer
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*
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@ -3067,6 +3186,18 @@ int main(int argc, char *argv[])
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}
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TEST_MODE_ITER_END
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TEST_MODE_ITER_BEGIN(t)
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if (t.pipes != PIPE_SINGLE ||
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t.screen != SCREEN_PRIM ||
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t.plane != PLANE_PRI ||
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t.method != IGT_DRAW_MMAP_CPU)
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continue;
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igt_subtest_f("%s-%s-scaledprimary",
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feature_str(t.feature),
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fbs_str(t.fbs))
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scaledprimary_subtest(&t);
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TEST_MODE_ITER_END
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TEST_MODE_ITER_BEGIN(t)
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if (t.pipes != PIPE_SINGLE ||
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t.screen != SCREEN_PRIM ||
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