From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6750C10E31E for ; Tue, 18 Jul 2023 11:09:18 +0000 (UTC) From: Anshuman Gupta To: igt-dev@lists.freedesktop.org Date: Tue, 18 Jul 2023 16:38:52 +0530 Message-Id: <20230718110852.2965553-4-anshuman.gupta@intel.com> In-Reply-To: <20230718110852.2965553-1-anshuman.gupta@intel.com> References: <20230718110852.2965553-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t v3 3/3] test/xe_pm: Add vram_d3cold_threshold subtest List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: badal.nilawar@intel.com, rodrigo.vivi@intel.com Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Adding a vram_d3cold_threshold subtest, which creates a Xe bo and set the vram_d3cold_threshold according to vram used and bo size. Test setups the d3cold and expect card to be limited to d3hot. v2: - Add subtest doc. v3: - skip the test on igfx. [Riana] - Test doc enhancement. [Riana] - Create the bo before vram query. [Riana] - Use xe_bo_map insead of xe_bo_mmap_offset and mmap. [Riana] - Close the bo handle. [Riana] Signed-off-by: Anshuman Gupta --- tests/xe/xe_pm.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) diff --git a/tests/xe/xe_pm.c b/tests/xe/xe_pm.c index 11a4c3705..a8257b13c 100644 --- a/tests/xe/xe_pm.c +++ b/tests/xe/xe_pm.c @@ -20,6 +20,7 @@ #include "lib/igt_device.h" #include "lib/igt_kms.h" #include "lib/igt_pm.h" +#include "lib/igt_sysfs.h" #include "lib/igt_syncobj.h" #include "lib/intel_reg.h" @@ -31,6 +32,8 @@ #define NO_SUSPEND -1 #define NO_RPM -1 +#define SIZE (4096 * 1024) + typedef struct { int fd_xe; struct pci_device *pci_xe; @@ -77,6 +80,22 @@ static void set_d3cold_allowed(struct pci_device *pci, close(fd); } +static void set_vram_d3cold_threshold(int sysfs, uint64_t threshold) +{ + char path[64]; + int ret; + + sprintf(path, "device/vram_d3cold_threshold"); + + if (!faccessat(sysfs, path, R_OK | W_OK, 0)) + ret = igt_sysfs_printf(sysfs, path, "%lu", threshold); + else + igt_warn("vram_d3cold_threshold is not present\n"); + + igt_info("ret value %d", ret); + igt_assert(ret > 0); +} + static bool setup_d3(device_t device, enum igt_acpi_d_state state) { igt_dpms_turn_off_display(device.fd_xe); @@ -349,6 +368,64 @@ NULL)); igt_assert(in_d3(device, d_state)); } +/** + * SUBTEST: vram-d3cold-threshold + * Description: + * Validate whether card is limited to d3hot while vram used + * is greater than vram_d3cold_threshold. + * Run type: FULL + */ +static void test_vram_d3cold_threshold(device_t device) +{ + struct drm_xe_query_mem_usage *mem_usage; + struct drm_xe_device_query query = { + .extensions = 0, + .query = DRM_XE_DEVICE_QUERY_MEM_USAGE, + .size = 0, + .data = 0, + }; + uint64_t vram_used_mb = 0, vram_total_mb = 0, threshold; + uint32_t bo, flags; + void *map; + int i, sysfs_fd; + + flags = vram_memory(device.fd_xe, 0); + igt_require_f(flags, "Device doesn't support vram memory region\n"); + + igt_assert_eq(igt_ioctl(device.fd_xe, DRM_IOCTL_XE_DEVICE_QUERY, &query), 0); + igt_assert_neq(query.size, 0); + + mem_usage = malloc(query.size); + igt_assert(mem_usage); + + query.data = to_user_pointer(mem_usage); + igt_assert_eq(igt_ioctl(device.fd_xe, DRM_IOCTL_XE_DEVICE_QUERY, &query), 0); + + for (i = 0; i < mem_usage->num_regions; i++) { + if (mem_usage->regions[i].mem_class == XE_MEM_REGION_CLASS_VRAM) { + vram_used_mb += (mem_usage->regions[i].used / (1024 * 1024)); + vram_total_mb += (mem_usage->regions[i].total_size / (1024 * 1024)); + } + } + + threshold = vram_used_mb; + igt_require(threshold < vram_total_mb); + + bo = xe_bo_create_flags(device.fd_xe, 0, SIZE, flags); + map = xe_bo_map(device.fd_xe, bo, SIZE); + memset(map, 0, SIZE); + munmap(map, SIZE); + sysfs_fd = igt_sysfs_open(device.fd_xe); + set_vram_d3cold_threshold(sysfs_fd, threshold); + close(sysfs_fd); + + /* Setup D3Cold but card should be in D3hot */ + igt_assert(setup_d3(device, IGT_ACPI_D3Cold)); + igt_assert(in_d3(device, IGT_ACPI_D3Hot)); + igt_assert(out_of_d3(device, IGT_ACPI_D3Cold)); + gem_close(device.fd_xe, bo); +} + igt_main { struct drm_xe_engine_class_instance *hwe; @@ -449,6 +526,11 @@ igt_main } } + igt_describe("Validate whether card is limited to d3hot, if vram used > vram threshold"); + igt_subtest("vram-d3cold-threshold") { + test_vram_d3cold_threshold(device); + } + igt_fixture { set_d3cold_allowed(device.pci_xe, d3cold_allowed); igt_restore_runtime_pm(); -- 2.25.1