[igt-dev] [i-g-t V3 37/40] tests/kms_prime: Add XE support
Sharma, Swati2
swati2.sharma at intel.com
Wed Apr 26 04:57:28 UTC 2023
On 25-Apr-23 2:44 PM, Bhanuprakash Modem wrote:
> Add XE driver support for kms tests.
>
> V2: - Use rendercopy method for both i915 & xe
> - Minor cleanup
Please, split this patch into 2.
Cleanup followed by xe support.
>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
> tests/kms_prime.c | 228 ++++++++++++++++++++++++++++++++++++----------
> 1 file changed, 179 insertions(+), 49 deletions(-)
>
> diff --git a/tests/kms_prime.c b/tests/kms_prime.c
> index dd5ab993e..ac4078ad2 100644
> --- a/tests/kms_prime.c
> +++ b/tests/kms_prime.c
> @@ -27,9 +27,12 @@
> #include "igt_sysfs.h"
> #include <fcntl.h>
>
> +#include <limits.h>
> #include <sys/ioctl.h>
> #include <sys/poll.h>
> #include <time.h>
> +#include "xe/xe_ioctl.h"
> +#include "xe/xe_query.h"
>
> #define KMS_HELPER "/sys/module/drm_kms_helper/parameters/"
> #define KMS_POLL_DISABLE 0
> @@ -112,7 +115,29 @@ static void prepare_scratch(int exporter_fd, struct dumb_bo *scratch,
> scratch->height = mode->vdisplay;
> scratch->bpp = 32;
>
> - if (!is_i915_device(exporter_fd)) {
> + if (is_intel_device(exporter_fd)) {
> + igt_calc_fb_size(exporter_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888,
> + DRM_FORMAT_MOD_LINEAR, &scratch->size, &scratch->pitch);
> +
> + if (is_i915_device(exporter_fd)) {
> + if (gem_has_lmem(exporter_fd))
> + scratch->handle = gem_create_in_memory_regions(exporter_fd, scratch->size,
> + REGION_LMEM(0), REGION_SMEM);
> + else
> + scratch->handle = gem_create_in_memory_regions(exporter_fd, scratch->size,
> + REGION_SMEM);
> +
> + ptr = gem_mmap__device_coherent(exporter_fd, scratch->handle, 0,
> + scratch->size, PROT_WRITE | PROT_READ);
> + } else {
> + scratch->handle = xe_bo_create_flags(exporter_fd, 0,
> + ALIGN(scratch->size, xe_get_default_alignment(exporter_fd)),
> + vram_if_possible(exporter_fd, 0));
> +
> + ptr = xe_bo_mmap_ext(exporter_fd, scratch->handle,
> + scratch->size, PROT_READ | PROT_WRITE);
> + }
> + } else {
> scratch->handle = kmstest_dumb_create(exporter_fd,
> ALIGN(scratch->width, 256),
> scratch->height, scratch->bpp,
> @@ -120,18 +145,6 @@ static void prepare_scratch(int exporter_fd, struct dumb_bo *scratch,
>
> ptr = kmstest_dumb_map_buffer(exporter_fd, scratch->handle,
> scratch->size, PROT_WRITE);
> - } else {
> - igt_calc_fb_size(exporter_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888,
> - DRM_FORMAT_MOD_LINEAR, &scratch->size, &scratch->pitch);
> - if (gem_has_lmem(exporter_fd))
> - scratch->handle = gem_create_in_memory_regions(exporter_fd, scratch->size,
> - REGION_LMEM(0), REGION_SMEM);
> - else
> - scratch->handle = gem_create_in_memory_regions(exporter_fd, scratch->size,
> - REGION_SMEM);
> -
> - ptr = gem_mmap__device_coherent(exporter_fd, scratch->handle, 0, scratch->size,
> - PROT_WRITE | PROT_READ);
> }
>
> for (size_t idx = 0; idx < scratch->size / sizeof(*ptr); ++idx)
> @@ -150,35 +163,67 @@ static void prepare_fb(int importer_fd, struct dumb_bo *scratch, struct igt_fb *
> color_encoding, color_range);
> }
>
> +static struct intel_buf * create_buf(int fd, struct buf_ops *bops, int width,
> + int height, uint32_t gem_handle)
> +{
> + struct intel_buf *buf;
> + uint32_t name, handle;
> +
> + name = gem_flink(fd,gem_handle);
> + handle = gem_open(fd, name);
> +
> + buf = intel_buf_create_using_handle(bops, handle,
> + width, height, 32, 0,
> + I915_TILING_NONE, 0);
> +
> + /* Make sure we close handle on destroy path */
> + intel_buf_set_ownership(buf, true);
> + return buf;
> +}
> +
> static void import_fb(int importer_fd, struct igt_fb *fb,
> int dmabuf_fd, uint32_t pitch)
> {
> uint32_t offsets[4] = {}, pitches[4] = {}, handles[4] = {}, temp_buf_handle;
> int ret;
> -
> - if (is_i915_device(importer_fd)) {
> - if (gem_has_lmem(importer_fd)) {
> - uint64_t ahnd = get_reloc_ahnd(importer_fd, 0);
> - uint64_t fb_size = 0;
> -
> - igt_info("Importer is dGPU\n");
> - temp_buf_handle = prime_fd_to_handle(importer_fd, dmabuf_fd);
> - igt_assert(temp_buf_handle > 0);
> - fb->gem_handle = igt_create_bo_with_dimensions(importer_fd, fb->width, fb->height,
> - fb->drm_format, fb->modifier, pitch, &fb_size, NULL, NULL);
> - igt_assert(fb->gem_handle > 0);
> -
> - igt_blitter_src_copy(importer_fd, ahnd, 0, NULL, temp_buf_handle,
> - 0, pitch, fb->modifier, 0, 0, fb_size, fb->width,
> - fb->height, 32, fb->gem_handle, 0, pitch, fb->modifier,
> - 0, 0, fb_size);
> -
> - gem_sync(importer_fd, fb->gem_handle);
> - gem_close(importer_fd, temp_buf_handle);
> - put_ahnd(ahnd);
> + uint64_t fb_size = 0;
> +
> + if ((is_i915_device(importer_fd) && gem_has_lmem(importer_fd)) ||
> + (is_xe_device(importer_fd) && xe_has_vram(importer_fd))) {
> + uint32_t devid = intel_get_drm_devid(importer_fd);
> + struct buf_ops *bops = buf_ops_create(importer_fd);
> + igt_render_copyfunc_t rendercopy = igt_get_render_copyfunc(devid);
> + struct intel_bb *ibb = intel_bb_create(importer_fd, 4096);
> + struct intel_buf *src, *dst;
> + uint32_t *ptr;
> +
> + igt_info("Importer is dGPU\n");
> + temp_buf_handle = prime_fd_to_handle(importer_fd, dmabuf_fd);
> + igt_assert(temp_buf_handle > 0);
> + fb->gem_handle = igt_create_bo_with_dimensions(importer_fd, fb->width, fb->height,
> + fb->drm_format, fb->modifier, pitch, &fb_size, NULL, NULL);
> + igt_assert(fb->gem_handle > 0);
> +
> + if (is_i915_device(importer_fd)) {
> + ptr = gem_mmap__device_coherent(importer_fd, temp_buf_handle, 0,
> + ALIGN(fb_size, 4096),
> + PROT_READ | PROT_WRITE);
> } else {
> - fb->gem_handle = prime_fd_to_handle(importer_fd, dmabuf_fd);
> + ptr = xe_bo_mmap_ext(importer_fd, temp_buf_handle,
> + ALIGN(fb_size, xe_get_default_alignment(importer_fd)),
> + PROT_READ | PROT_WRITE);
> }
> +
> + src = create_buf(importer_fd, bops, fb->width, fb->height, temp_buf_handle);
> + dst = create_buf(importer_fd, bops, fb->width, fb->height, fb->gem_handle);
> + rendercopy(ibb, src, 0, 0, fb->width, fb->height, dst, 0, 0);
> +
> + igt_assert(gem_munmap(ptr, fb_size) == 0);
> + intel_bb_destroy(ibb);
> + intel_buf_destroy(src);
> + intel_buf_destroy(dst);
> + buf_ops_destroy(bops);
> + gem_close(importer_fd, temp_buf_handle);
> } else {
> fb->gem_handle = prime_fd_to_handle(importer_fd, dmabuf_fd);
> }
> @@ -330,12 +375,6 @@ static bool has_connected_output(int drm_fd)
> return false;
> }
>
> -static void validate_d3_hot(int drm_fd)
> -{
> - igt_assert(igt_debugfs_search(drm_fd, "i915_runtime_pm_status", "GPU idle: yes"));
> - igt_assert(igt_debugfs_search(drm_fd, "i915_runtime_pm_status", "PCI device power state: D3hot [3]"));
> -}
> -
> static void kms_poll_state_restore(void)
> {
> int sysfs_fd;
> @@ -357,6 +396,88 @@ static void kms_poll_disable(void)
> close(sysfs_fd);
> }
>
> +static bool runtime_usage_available(struct pci_device *pci)
> +{
> + char name[PATH_MAX];
> + snprintf(name, PATH_MAX, "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/runtime_usage",
> + pci->domain, pci->bus, pci->dev, pci->func);
> + return access(name, F_OK) == 0;
> +}
> +
> +static bool in_d3_hot(struct pci_device *pci)
> +{
> + uint16_t val;
> +
> + /* We need to wait for the autosuspend to kick in before we can check */
> + if (!igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED))
> + return false;
> +
> + if (runtime_usage_available(pci) &&
> + igt_pm_get_runtime_usage(pci) != 0)
> + return false;
> +
> + igt_assert_eq(pci_device_cfg_read_u16(pci, &val, 0xd4), 0);
> +
> + return (val & 0x3) == 0x3;
> +}
> +
> +static void validate_d3_hot(int drm_fd, struct pci_device *pci)
> +{
> + if (is_i915_device(drm_fd)) {
> + igt_assert(igt_debugfs_search(drm_fd, "i915_runtime_pm_status", "GPU idle: yes"));
> + igt_assert(igt_debugfs_search(drm_fd, "i915_runtime_pm_status", "PCI device power state: D3hot [3]"));
> + } else {
> + igt_assert(in_d3_hot(pci));
> + }
> +}
> +
> +static int open_d3_allowed(struct pci_device *pci)
> +{
> + char name[PATH_MAX];
> + int fd;
> +
> + snprintf(name, PATH_MAX, "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/d3cold_allowed",
> + pci->domain, pci->bus, pci->dev, pci->func);
> +
> + fd = open(name, O_RDWR);
> + igt_assert_f(fd >= 0, "Can't open %s\n", name);
> +
> + return fd;
> +}
> +
> +static void get_d3_allowed(struct pci_device *pci, char *d3_allowed)
> +{
> + int fd = open_d3_allowed(pci);
> +
> + igt_assert(read(fd, d3_allowed, 2));
> + close(fd);
> +}
> +
> +static void set_d3_allowed(struct pci_device *pci, const char *d3_allowed)
> +{
> + int fd = open_d3_allowed(pci);
> +
> + igt_assert(write(fd, d3_allowed, 2));
> + close(fd);
> +}
> +
> +static void setup_d3_hot(int fd, struct pci_device *pci)
> +{
> + if (is_xe_device(fd)) {
> + igt_assert(igt_setup_runtime_pm(fd));
> +
> + set_d3_allowed(pci, "0\n");
> +
> + igt_assert(in_d3_hot(pci));
> + } else {
> + igt_set_timeout(10, "Wait for dGPU to enter D3hot before starting the subtest");
> + while (!igt_debugfs_search(fd,
> + "i915_runtime_pm_status",
> + "PCI device power state: D3hot [3]"));
> + igt_reset_timeout();
> + }
> +}
> +
> igt_main
> {
> int first_fd = -1;
> @@ -410,21 +531,28 @@ igt_main
>
> igt_describe("Validate pci state of dGPU when dGPU is idle and scanout is on iGPU");
> igt_subtest("D3hot") {
> - igt_require_f(is_i915_device(second_fd_hybrid), "i915 device required\n");
> - igt_require_f(gem_has_lmem(second_fd_hybrid), "Second GPU is not dGPU\n");
> + char d3_allowed[2];
> + struct pci_device *pci;
> +
> + igt_require_f(is_intel_device(second_fd_hybrid), "intel device required\n");
> + if (is_i915_device(second_fd_hybrid))
> + igt_require_f(gem_has_lmem(second_fd_hybrid), "Second GPU is not dGPU\n");
> + else
> + igt_require_f(xe_has_vram(second_fd_hybrid), "Second GPU is not dGPU\n");
> igt_require_f(first_output, "No display connected to iGPU\n");
> igt_require_f(!second_output, "Display connected to dGPU\n");
>
> kms_poll_disable();
>
> - igt_set_timeout(10, "Wait for dGPU to enter D3hot before starting the subtest");
> - while (!igt_debugfs_search(second_fd_hybrid,
> - "i915_runtime_pm_status",
> - "PCI device power state: D3hot [3]"));
> - igt_reset_timeout();
> + pci = igt_device_get_pci_device(second_fd_hybrid);
> + get_d3_allowed(pci, d3_allowed);
> +
> + setup_d3_hot(second_fd_hybrid, pci);
>
> test_basic_modeset(first_fd);
> - validate_d3_hot(second_fd_hybrid);
> + validate_d3_hot(second_fd_hybrid, pci);
> +
> + set_d3_allowed(pci, d3_allowed);
> }
>
> igt_fixture {
> @@ -442,6 +570,8 @@ igt_main
> igt_require(second_fd_vgem >= 0);
> if (is_i915_device(first_fd))
> igt_require(!gem_has_lmem(first_fd));
> + if (is_xe_device(first_fd))
> + igt_require(!xe_has_vram(first_fd));
> }
>
> igt_describe("Make a dumb color buffer, export to another device and"
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