From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0C35B6EA9C for ; Wed, 8 Apr 2020 16:45:27 +0000 (UTC) Date: Wed, 8 Apr 2020 19:41:45 +0300 From: "Lisovskiy, Stanislav" Message-ID: <20200408164145.GA27910@intel.com> References: <20200401065423.29345-1-mika.kahola@intel.com> <20200401065423.29345-3-mika.kahola@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200401065423.29345-3-mika.kahola@intel.com> Subject: Re: [igt-dev] [PATCH i-g-t v2 2/2] tests/kms_concurrent: Use maximum number of planes that display/platform combination supports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Mika Kahola Cc: igt-dev@lists.freedesktop.org, juhapekka.heikkila@intel.com, petri.latvala@intel.com List-ID: On Wed, Apr 01, 2020 at 09:54:23AM +0300, Mika Kahola wrote: > There was an error in > > commit 0ab05a51a059 ("tests/kms_concurrent: Test for maximum number of planes") > > that calculates the maximum number of supported planes. The patch proposes to > test first if an atomic commit is successful with the selected number of planes. > In case of a failure, the number of planes is reduced by one assuming that the > failure was caused by bandwidth limit. The test loops at least as many iterations > as there are planes defined by the platform. > > v2: Fix CI build failure (CI) > > Signed-off-by: Mika Kahola > --- > tests/kms_concurrent.c | 51 ++++++++++-------------------------------- > 1 file changed, 12 insertions(+), 39 deletions(-) > > diff --git a/tests/kms_concurrent.c b/tests/kms_concurrent.c > index c212f6ec..89016563 100644 > --- a/tests/kms_concurrent.c > +++ b/tests/kms_concurrent.c > @@ -204,19 +204,23 @@ test_plane_position_with_output(data_t *data, enum pipe pipe, int max_planes, > igt_output_t *output) > { > int i; > - int iterations = opt.iterations < 1 ? 1 : opt.iterations; > + int iterations = opt.iterations < 1 ? max_planes : opt.iterations; > bool loop_forever = opt.iterations == LOOP_FOREVER ? true : false; > + int ret; > > igt_pipe_refresh(&data->display, pipe, true); > > i = 0; > while (i < iterations || loop_forever) { > prepare_planes(data, pipe, max_planes, output); > - igt_display_try_commit2(&data->display, COMMIT_ATOMIC); > + ret = igt_display_try_commit2(&data->display, COMMIT_ATOMIC); > > for (int c = 0; c < max_planes; c++) > igt_remove_fb(data->drm_fd, &data->fb[c]); > > + if (ret != 0) > + max_planes > 1 ? max_planes-- : 1; That one looks a bit strange, but I guess it does it's job :) Reviewed-by: Stanislav Lisovskiy > + > i++; > } > } > @@ -249,44 +253,17 @@ get_lowres_mode(data_t *data, const drmModeModeInfo *mode_default, > return mode; > } > > -static int > -test_resolution_with_output(data_t *data, enum pipe pipe, igt_output_t *output) > +static void > +test_resolution_with_output(data_t *data, enum pipe pipe, int max_planes, igt_output_t *output) > { > const drmModeModeInfo *mode_hi, *mode_lo; > - int iterations = opt.iterations < 1 ? 1 : opt.iterations; > + int iterations = opt.iterations < 1 ? max_planes : opt.iterations; > bool loop_forever = opt.iterations == LOOP_FOREVER ? true : false; > - int i, c, ret; > - int max_planes = data->display.pipes[pipe].n_planes; > - igt_plane_t *primary; > - drmModeModeInfo *mode; > + int i; > > i = 0; > while (i < iterations || loop_forever) { > igt_output_set_pipe(output, pipe); > - for (c = 0; c < max_planes; c++) { > - igt_plane_t *plane = igt_output_get_plane(output, c); > - > - if (plane->type != DRM_PLANE_TYPE_PRIMARY) > - continue; > - primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY); > - data->plane[primary->index] = primary; > - mode = igt_output_get_mode(output); > - igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, > - DRM_FORMAT_XRGB8888, > - LOCAL_I915_FORMAT_MOD_X_TILED, > - 0.0f, 0.0f, 1.0f, > - &data->fb[primary->index]); > - igt_plane_set_fb(data->plane[primary->index], &data->fb[primary->index]); > - ret = igt_display_try_commit2(&data->display, COMMIT_ATOMIC); > - if (ret) { > - igt_plane_set_fb(data->plane[i], NULL); > - igt_remove_fb(data->drm_fd, &data->fb[i]); > - data->plane[i] = NULL; > - break; > - } > - } > - max_planes = c; > - igt_assert_lt(0, max_planes); > > mode_hi = igt_output_get_mode(output); > mode_lo = get_lowres_mode(data, mode_hi, output); > @@ -301,8 +278,6 @@ test_resolution_with_output(data_t *data, enum pipe pipe, igt_output_t *output) > > i++; > } > - > - return max_planes; > } > > static void > @@ -310,7 +285,6 @@ run_test(data_t *data, enum pipe pipe, igt_output_t *output) > { > int connected_outs; > int n_planes = data->display.pipes[pipe].n_planes; > - int max_planes = n_planes; > > if (!opt.user_seed) > opt.seed = time(NULL); > @@ -321,13 +295,12 @@ run_test(data_t *data, enum pipe pipe, igt_output_t *output) > igt_output_name(output), kmstest_pipe_name(pipe), opt.seed); > > test_init(data, pipe, n_planes, output); > - max_planes = test_resolution_with_output(data, pipe, output); > > igt_fork(child, 1) { > - test_plane_position_with_output(data, pipe, max_planes, output); > + test_plane_position_with_output(data, pipe, n_planes, output); > } > > - test_resolution_with_output(data, pipe, output); > + test_resolution_with_output(data, pipe, n_planes, output); > > igt_waitchildren(); > > -- > 2.20.1 > _______________________________________________ igt-dev mailing list igt-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/igt-dev