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    <div class="moz-cite-prefix">On 10/15/2024 8:22 PM, Santhosh Reddy
      Guddati wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:20241015145240.141244-2-santhosh.reddy.guddati@intel.com">
      <pre wrap="" class="moz-quote-pre">subtest to validate async flips with atomic commit

v2: refactor repeated code to function (Karthik)
explicitly set atomic_path to false in legacy tests (Karthik)

v3: fix test_crc and test_invalid subtests

Signed-off-by: Santhosh Reddy Guddati <a class="moz-txt-link-rfc2396E" href="mailto:santhosh.reddy.guddati@intel.com"><santhosh.reddy.guddati@intel.com></a>
---
 tests/kms_async_flips.c | 170 ++++++++++++++++++++++++++++++++++------
 1 file changed, 144 insertions(+), 26 deletions(-)

diff --git a/tests/kms_async_flips.c b/tests/kms_async_flips.c
index 5dec71291..b5961028a 100644
--- a/tests/kms_async_flips.c
+++ b/tests/kms_async_flips.c
@@ -67,6 +67,26 @@
  * SUBTEST: invalid-async-flip
  * Description: Negative case to verify if changes in fb are rejected from kernel as expected
  *
+ * SUBTEST: alternate-sync-async-flip-atomic
+ * Description: Verify the async flip functionality and the fps during async flips using atomic path
+ *
+ * SUBTEST: async-flip-with-page-flip-events-atomic
+ * Description: Wait for page flip events in between successive asynchronous flips using atomic path
+ *
+ * SUBTEST: test-time-stamp-atomic
+ * Description: Verify that the async flip timestamp does not coincide with either previous
+ *              or next vblank when async flip is done using atomic path
+ *
+ * SUBTEST: test-cursor-atomic
+ * Description: Verify that the DRM_IOCTL_MODE_CURSOR passes after async flip with atomic commit
+ *
+ * SUBTEST: invalid-async-flip-atomic
+ * Description: Negative case to verify if changes in fb are rejected from kernel
+ *              as expected when async flip is done using atomic path
+ *
+ * SUBTEST: crc-atomic
+ * Description: Use CRC to verify async flip scans out the correct framebuffer with atomic commit
+ *
  * SUBTEST: async-flip-suspend-resume
  * Description: Verify the async flip functionality with suspend and resume cycle
  */
@@ -105,6 +125,7 @@ typedef struct {
        bool suspend_resume;
        bool allow_fail;
        struct buf_ops *bops;
+       bool atomic_path;
 } data_t;
 
 static void flip_handler(int fd_, unsigned int sequence, unsigned int tv_sec,
@@ -259,6 +280,21 @@ static bool async_flip_needs_extra_frame(data_t *data)
        return intel_display_ver(devid) >= 9 || IS_BROADWELL(devid);
 }
 
+static int perform_flip(data_t *data, int frame, int flags)
+{
+       int ret;
+
+       if (!data->atomic_path) {
+               ret = drmModePageFlip(data->drm_fd, data->crtc_id,
+                                     data->bufs[frame % NUM_FBS].fb_id, flags, data);
+       } else {
+               igt_plane_set_fb(data->plane, &data->bufs[frame % NUM_FBS]);</pre>
    </blockquote>
    Hi Santhosh,<span style="white-space: pre-wrap">
</span>
    <blockquote type="cite" cite="mid:20241015145240.141244-2-santhosh.reddy.guddati@intel.com">
      <pre wrap="" class="moz-quote-pre">+            ret = igt_display_try_commit_atomic(&data->display, flags, data);</pre>
    </blockquote>
    Can we use commit here instead of try commit so that the assert
    check later can also be avoided?<br>
    <blockquote type="cite" cite="mid:20241015145240.141244-2-santhosh.reddy.guddati@intel.com">
      <pre wrap="" class="moz-quote-pre">
+       }
+
+       return ret;
+}
+
 static void test_async_flip(data_t *data)
 {
        int ret, frame;
@@ -276,9 +312,7 @@ static void test_async_flip(data_t *data)
                if (data->alternate_sync_async) {
                        flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
 
-                       ret = drmModePageFlip(data->drm_fd, data->crtc_id,
-                                             data->bufs[frame % NUM_FBS].fb_id,
-                                             flags, data);
+                       ret = perform_flip(data, frame, flags);
 
                        igt_assert_eq(ret, 0);
 
@@ -287,19 +321,16 @@ static void test_async_flip(data_t *data)
                        flags |= DRM_MODE_PAGE_FLIP_ASYNC;
 
                        if (async_flip_needs_extra_frame(data)) {
-                               ret = drmModePageFlip(data->drm_fd, data->crtc_id,
-                                                     data->bufs[frame % NUM_FBS].fb_id,
-                                                     flags, data);
 
+                               ret = perform_flip(data, frame, flags);
                                igt_assert_eq(ret, 0);
 
                                wait_flip_event(data);
                        }
                }
 
-               ret = drmModePageFlip(data->drm_fd, data->crtc_id,
-                                     data->bufs[frame % NUM_FBS].fb_id,
-                                     flags, data);
+               ret = perform_flip(data, frame, flags);
+
                if (frame == 1 && data->allow_fail)
                        igt_skip_on(ret == -EINVAL);
                else
@@ -428,9 +459,7 @@ static void test_cursor(data_t *data)
 
        do_ioctl(data->drm_fd, DRM_IOCTL_MODE_CURSOR, &cur);
 
-       ret = drmModePageFlip(data->drm_fd, data->crtc_id,
-                             data->bufs[0].fb_id,
-                             flags, data);
+       ret = perform_flip(data, 0, flags);
 
        igt_assert_eq(ret, 0);
 
@@ -450,6 +479,7 @@ static void test_invalid(data_t *data)
        int ret, width, height;
        struct igt_fb fb[2];
        drmModeModeInfo *mode;
+       int flags;
 
        igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
 
@@ -457,6 +487,8 @@ static void test_invalid(data_t *data)
        width = mode->hdisplay;
        height = mode->vdisplay;
 
+       flags = DRM_MODE_PAGE_FLIP_ASYNC | DRM_MODE_PAGE_FLIP_EVENT;
+
        igt_create_fb(data->drm_fd, width, height, DRM_FORMAT_XRGB8888,
                      I915_FORMAT_MOD_X_TILED, &fb[0]);
        igt_create_fb(data->drm_fd, width, height, DRM_FORMAT_XRGB8888,
@@ -465,16 +497,27 @@ static void test_invalid(data_t *data)
        igt_plane_set_fb(data->plane, &fb[0]);
        igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
 
-       /* first async flip is expected to allow modifier changes */
-       ret = drmModePageFlip(data->drm_fd, data->crtc_id, fb[1].fb_id,
-                             DRM_MODE_PAGE_FLIP_ASYNC | DRM_MODE_PAGE_FLIP_EVENT, data);
-       igt_assert_eq(ret, 0);
-       wait_flip_event(data);
+       if (!data->atomic_path) {
+               /* first async flip is expected to allow modifier changes */
+               ret = drmModePageFlip(data->drm_fd, data->crtc_id, fb[1].fb_id, flags, data);
+               igt_assert_eq(ret, 0);
 
-       /* subsequent async flips should reject modifier changes */
-       ret = drmModePageFlip(data->drm_fd, data->crtc_id, fb[0].fb_id,
-                             DRM_MODE_PAGE_FLIP_ASYNC | DRM_MODE_PAGE_FLIP_EVENT, data);
-       igt_assert(ret == -EINVAL);
+               wait_flip_event(data);
+
+               /* subsequent async flips should reject modifier changes */
+               ret = drmModePageFlip(data->drm_fd, data->crtc_id, fb[0].fb_id, flags, data);
+               igt_assert(ret == -EINVAL);
+       } else {
+               igt_plane_set_fb(data->plane, &fb[1]);
+               ret = igt_display_try_commit_atomic(&data->display, flags, data);
+               igt_assert_eq(ret, 0);
+
+               wait_flip_event(data);
+
+               igt_plane_set_fb(data->plane, &fb[0]);
+               ret = igt_display_try_commit_atomic(&data->display, flags, data);
+               igt_assert(ret == -EINVAL);
+       }</pre>
    </blockquote>
    <p>Please document the reason as to why we are not using
      perform_flip function in the invalid subtest case.</p>
    Regards,<br>
    Karthik.B.S<br>
    <blockquote type="cite" cite="mid:20241015145240.141244-2-santhosh.reddy.guddati@intel.com">
      <pre wrap="" class="moz-quote-pre">
 
        /* TODO: Add verification for changes in stride, pixel format */
 
@@ -588,6 +631,8 @@ static void test_crc(data_t *data)
        int ret, width, height;
        drmModeModeInfoPtr mode;
 
+       igt_display_commit2(&data->display, data->display.is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
+
        /* make things faster by using a smallish mode */
        mode = &data->output->config.connector->modes[0];
        width = mode->hdisplay;
@@ -620,8 +665,9 @@ static void test_crc(data_t *data)
                paint_fb(data, &data->bufs[frame], 1, height, 0xff0000ff);
 
                data->flip_pending = true;
-               ret = drmModePageFlip(data->drm_fd, data->crtc_id, data->bufs[frame].fb_id,
-                                     DRM_MODE_PAGE_FLIP_ASYNC | DRM_MODE_PAGE_FLIP_EVENT, data);
+
+               ret = perform_flip(data, frame, DRM_MODE_PAGE_FLIP_ASYNC |
+                                  DRM_MODE_PAGE_FLIP_EVENT);
                igt_assert_eq(ret, 0);
 
                wait_events_crc(data);
@@ -708,6 +754,18 @@ igt_main
                igt_describe("Wait for page flip events in between successive asynchronous flips");
                igt_subtest_with_dynamic("async-flip-with-page-flip-events") {
                        data.alternate_sync_async = false;
+                       data.atomic_path = false;
+                       if (is_intel_device(data.drm_fd))
+                               run_test_with_modifiers(&data, test_async_flip);
+                       else
+                               run_test(&data, test_async_flip);
+               }
+
+               igt_describe("Wait for page flip events in between successive "
+                            "asynchronous flips using atomic path");
+               igt_subtest_with_dynamic("async-flip-with-page-flip-events-atomic") {
+                       data.alternate_sync_async = false;
+                       data.atomic_path = true;
                        if (is_intel_device(data.drm_fd))
                                run_test_with_modifiers(&data, test_async_flip);
                        else
@@ -717,12 +775,30 @@ igt_main
                igt_describe("Alternate between sync and async flips");
                igt_subtest_with_dynamic("alternate-sync-async-flip") {
                        data.alternate_sync_async = true;
+                       data.atomic_path = false;
+                       run_test(&data, test_async_flip);
+               }
+
+               igt_describe("Alternate between sync and async flips using atomic path");
+               igt_subtest_with_dynamic("alternate-sync-async-flip-atomic") {
+                       data.alternate_sync_async = true;
+                       data.atomic_path = true;
                        run_test(&data, test_async_flip);
                }
 
-               igt_describe("Verify that the async flip timestamp does not coincide with either previous or next vblank");
-               igt_subtest_with_dynamic("test-time-stamp")
+               igt_describe("Verify that the async flip timestamp does not "
+                            "coincide with either previous or next vblank");
+               igt_subtest_with_dynamic("test-time-stamp") {
+                       data.atomic_path = false;
                        run_test(&data, test_timestamp);
+               }
+
+               igt_describe("Verify that the async flip timestamp does not coincide "
+                            "with either previous or next vblank with atomic path");
+               igt_subtest_with_dynamic("test-time-stamp-atomic") {
+                       data.atomic_path = true;
+                       run_test(&data, test_timestamp);
+               }
        }
 
        igt_describe("Verify that the DRM_IOCTL_MODE_CURSOR passes after async flip");
@@ -733,9 +809,25 @@ igt_main
                 * supported in cursor plane.
                 */
                igt_skip_on_f(i915_psr2_selective_fetch_check(data.drm_fd, NULL),
-                             "PSR2 sel fetch causes cursor to be added to primary plane " \
+                             "PSR2 sel fetch causes cursor to be added to primary plane "
                              "pages flips and async flip is not supported in cursor\n");
 
+               data.atomic_path = false;
+               run_test(&data, test_cursor);
+       }
+
+       igt_describe("Verify that the DRM_IOCTL_MODE_CURSOR passes after "
+                    "async flip with atomic commit");
+       igt_subtest_with_dynamic("test-cursor-atomic") {
+               /*
+                * Intel's PSR2 selective fetch adds other planes to state when
+                * necessary, causing the async flip to fail because async flip is not
+                * supported in cursor plane.
+                */
+               igt_skip_on_f(i915_psr2_selective_fetch_check(data.drm_fd, NULL),
+                             "PSR2 sel fetch causes cursor to be added to primary plane "
+                             "pages flips and async flip is not supported in cursor\n");
+               data.atomic_path = true;
                run_test(&data, test_cursor);
        }
 
@@ -748,6 +840,21 @@ igt_main
                igt_require(igt_display_has_format_mod(&data.display, DRM_FORMAT_XRGB8888,
                                                       I915_FORMAT_MOD_Y_TILED));
 
+               data.atomic_path = false;
+               run_test(&data, test_invalid);
+       }
+
+       igt_describe("Negative case to verify if changes in fb are rejected "
+                    "from kernel as expected when async flip is done using atomic path");
+       igt_subtest_with_dynamic("invalid-async-flip-atomic") {
+               data.atomic_path = true;
+               /* TODO: support more vendors */
+               igt_require(is_intel_device(data.drm_fd));
+               igt_require(igt_display_has_format_mod(&data.display, DRM_FORMAT_XRGB8888,
+                                                      I915_FORMAT_MOD_X_TILED));
+               igt_require(igt_display_has_format_mod(&data.display, DRM_FORMAT_XRGB8888,
+                                                      I915_FORMAT_MOD_Y_TILED));
+
                run_test(&data, test_invalid);
        }
 
@@ -756,6 +863,17 @@ igt_main
                /* Devices without CRC can't run this test */
                igt_require_pipe_crc(data.drm_fd);
 
+               data.atomic_path = false;
+               run_test(&data, test_crc);
+       }
+
+       igt_describe("Use CRC to verify async flip scans out the correct framebuffer "
+                    "with atomic commit");
+       igt_subtest_with_dynamic("crc-atomic") {
+               /* Devices without CRC can't run this test */
+               igt_require_pipe_crc(data.drm_fd);
+
+               data.atomic_path = true;
                run_test(&data, test_crc);
        }
 
</pre>
    </blockquote>
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