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Hence the actual async flip > will happen from the subsequent flips. > For alternate sync async test, a dummy async flip has to be done to > allow the KMD to perform the watermark related updates before writing to > the surface base address. > > Signed-off-by: Arun R Murthy Reviewed-by: Karthik B S > --- > tests/kms_async_flips.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/tests/kms_async_flips.c b/tests/kms_async_flips.c > index 4a0527dc..695aea74 100644 > --- a/tests/kms_async_flips.c > +++ b/tests/kms_async_flips.c > @@ -211,11 +211,14 @@ static void test_async_flip(data_t *data) > * In older platforms (<= Gen10), async address update bit is double buffered. > * So flip timestamp can be verified only from the second flip. > * The first async flip just enables the async address update. > + * In platforms greater than DISPLAY13 the first async flip will be discarded > + * in order to change the watermark levels as per the optimization. Hence the > + * subsequent async flips will actually do the asynchronous flips. > */ > if (is_i915_device(data->drm_fd)) { > uint32_t devid = intel_get_drm_devid(data->drm_fd); > > - if (IS_GEN9(devid) || IS_GEN10(devid)) { > + if (IS_GEN9(devid) || IS_GEN10(devid) || AT_LEAST_GEN(devid, 12)) { > ret = drmModePageFlip(data->drm_fd, data->crtc_id, > data->bufs[frame % 4].fb_id, > flags, data);