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d="scan'208";a="159521670" Received: from dut2122ptlh.iind.intel.com (HELO linux-X299-AORUS-Gaming-3-Pro.iind.intel.com) ([10.223.34.115]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2025 00:20:53 -0700 From: Swati Sharma To: igt-dev@lists.freedesktop.org Cc: Swati Sharma , Ankit Nautiyal Subject: [PATCH i-g-t] tests/intel/kms_dsc: Store valid DSC outputs Date: Thu, 8 May 2025 12:56:20 +0530 Message-Id: <20250508072620.1310699-1-swati2.sharma@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Instead of repeatedly checking debugfs to determine if a panel supports DSC, perform the check once and store valid outputs (those that support DSC and meet the required constraints) in an array. v2: - store pipe as well in array Signed-off-by: Swati Sharma Reviewed-by: Ankit Nautiyal --- tests/intel/kms_dsc.c | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-) diff --git a/tests/intel/kms_dsc.c b/tests/intel/kms_dsc.c index 7f0745370..173307d28 100644 --- a/tests/intel/kms_dsc.c +++ b/tests/intel/kms_dsc.c @@ -71,12 +71,15 @@ IGT_TEST_DESCRIPTION("Test to validate display stream compression"); typedef struct { int drm_fd; + int count; uint32_t devid; igt_display_t display; struct igt_fb fb_test_pattern; enum dsc_output_format output_format; unsigned int plane_format; igt_output_t *output; + igt_output_t *valid_output[IGT_MAX_PIPES]; + enum pipe output_pipe[IGT_MAX_PIPES]; int input_bpc; int disp_ver; enum pipe pipe; @@ -248,32 +251,21 @@ static void test_dsc(data_t *data, uint32_t test_type, int bpc, unsigned int plane_format, enum dsc_output_format output_format) { - igt_display_t *display = &data->display; - igt_output_t *output; - enum pipe pipe; char name[3][LEN] = { {0}, {0}, {0}, }; + igt_require_f(data->count > 0, "No dsc output found that meets all constraints\n"); igt_require(check_gen11_bpc_constraint(data->drm_fd, data->input_bpc)); - for_each_pipe_with_valid_output(display, pipe, output) { + for (int i = 0; i < data->count; i++) { data->output_format = output_format; data->plane_format = plane_format; data->input_bpc = bpc; - data->output = output; - data->pipe = pipe; - - if (!is_dsc_supported_by_sink(data->drm_fd, data->output) || - !check_gen11_dp_constraint(data->drm_fd, data->output, data->pipe)) - continue; - - if (igt_get_output_max_bpc(data->drm_fd, output->name) < MIN_DSC_BPC) { - igt_info("Output %s doesn't support min %d-bpc\n", igt_output_name(data->output), MIN_DSC_BPC); - continue; - } + data->output = data->valid_output[i]; + data->pipe = data->output_pipe[i]; if ((test_type & TEST_DSC_OUTPUT_FORMAT) && (!is_dsc_output_format_supported(data->drm_fd, data->disp_ver, @@ -323,15 +315,30 @@ data_t data = {}; igt_main_args("l", NULL, help_str, opt_handler, &data) { + igt_output_t *output; + enum pipe pipe; + igt_fixture { data.drm_fd = drm_open_driver_master(DRIVER_INTEL | DRIVER_XE); data.devid = intel_get_drm_devid(data.drm_fd); data.disp_ver = intel_display_ver(data.devid); + data.count = 0; kmstest_set_vt_graphics_mode(); igt_install_exit_handler(kms_dsc_exit_handler); igt_display_require(&data.display, data.drm_fd); igt_display_require_output(&data.display); igt_require(is_dsc_supported_by_source(data.drm_fd)); + + for_each_pipe(&data.display, pipe) { + for_each_valid_output_on_pipe(&data.display, pipe, output) { + if (is_dsc_supported_by_sink(data.drm_fd, output) && + check_gen11_dp_constraint(data.drm_fd, output, pipe) && + igt_get_output_max_bpc(data.drm_fd, output->name) > MIN_DSC_BPC) { + data.output_pipe[data.count] = pipe; + data.valid_output[data.count++] = output; + } + } + } } igt_describe("Tests basic display stream compression functionality if supported " -- 2.25.1