[igt-dev] [PATCH i-g-t v2] test/amdgpu: Add DP mst test
Petri Latvala
petri.latvala at intel.com
Tue Aug 2 12:45:00 UTC 2022
On Tue, Aug 02, 2022 at 02:16:42PM +0300, Petri Latvala wrote:
> On Tue, Aug 02, 2022 at 06:56:34PM +0800, Wayne Lin wrote:
> > [Why & How]
> > Add new igt test amd_mst for DP mst feature.
> >
> > MST (Multi-Stream Transport) is the feature introduced from DP 1.2.
> > By mst, source can transport multiple streams to different stream
> > sinks through the same DP Tx.
> >
> > This new igt test "amd_mst" validate mst feature from two perspectives:
> >
> > * Trigger hotplug via debugfs to see whether all mst end sinks
> > successfully go through mst light up procedure
> > * Check if all mst end sinks successfully go through mst light up
> > procedure after suspend-resume
> >
> > This tool is developed under the setup below:
> > * 2xFHD monitors connected after the 3D club mst hub (model CSV-7300).
> > Upstream port of 3D club hub is connected directly to ASIC DP port.
> >
> > v2:
> > - Revise the commit message to describe the hardware setup while
> > developing this tool.
> > - Rename is_mst_connector to mst_roles
> > - Remove unnecessary variable/space/brackets
> > - Add more descriptions for MST progress status
> > - Add option to specify the delay before checking MST progress status
> >
> > Signed-off-by: Wayne Lin <Wayne.Lin at amd.com>
> > ---
> > lib/igt_amd.c | 157 +++++++++++++++++++
> > lib/igt_amd.h | 47 ++++++
> > tests/amdgpu/amd_mst.c | 316 +++++++++++++++++++++++++++++++++++++++
> > tests/amdgpu/meson.build | 1 +
> > 4 files changed, 521 insertions(+)
> > create mode 100644 tests/amdgpu/amd_mst.c
> >
> > diff --git a/lib/igt_amd.c b/lib/igt_amd.c
> > index bef9c193..7ad70dc8 100644
> > --- a/lib/igt_amd.c
> > +++ b/lib/igt_amd.c
> > @@ -1175,3 +1175,160 @@ bool igt_amd_set_visual_confirm(int drm_fd, enum amdgpu_debug_visual_confirm opt
> >
> > return res;
> > }
> > +
> > +/**
> > + * igt_amd_output_has_mst: check if connector has MST debugfs entries
> > + * @drm_fd: DRM file descriptor
> > + * @connector_name: The connector's name, on which we're reading the status
> > + */
> > +static bool igt_amd_output_has_mst(int drm_fd, char *connector_name)
> > +{
> > + return igt_amd_output_has_debugfs(drm_fd, connector_name, DEBUGFS_MST_IS_MST_CONNECTOR) &
> > + igt_amd_output_has_debugfs(drm_fd, connector_name, DEBUGFS_MST_PROGRESS_STATUS);
> > +}
> > +
> > +/**
> > + * igt_amd_require_mst: Checks if connectors have mst debugfs entries
> > + * @display: A pointer to an #igt_display_t structure
> > + * @drm_fd: DRM file descriptor
> > + *
> > + * Checks if the AMDGPU driver supports the 'is_mst_connector'
> > + * and 'mst_progress_status' entry for mst. Skip test if there
> > + * are no relevant debugfs entries.
> > + */
> > +void igt_amd_require_mst(igt_display_t *display, int drm_fd)
> > +{
> > + igt_output_t *output;
> > +
> > + for_each_connected_output(display, output)
> > + if (igt_amd_output_has_mst(drm_fd, output->name))
> > + return;
> > +
> > + igt_skip("No MST relevant debugfs support.\n");
> > +}
> > +
> > +/**
> > + * igt_amd_get_mst_role: Get the mst role of this output
> > + * @drm_fd: DRM file descriptor
> > + * @output: the output to be checked
> > + *
> > + * DRM enumerates a drm connector to each MST output port. This is used to
> > + * determine the mst role of this specific output. The mst role in the
> > + * mst topology shoule be 'no', 'root', 'branch' and 'end'
> > + */
> > +enum dp_mst_role igt_amd_get_mst_role(int drm_fd, igt_output_t *output)
> > +{
> > + int fd, ret;
> > + char buf[256] = {'\0'};
> > + int i = 0;
> > + enum dp_mst_role role = MST_NONE;
> > +
> > + fd = igt_debugfs_connector_dir(drm_fd, output->name, O_RDONLY);
> > + if (fd < 0) {
> > + igt_info("Could not open connector %s debugfs directory\n",
> > + output->name);
> > + return MST_NONE;
> > + }
> > +
> > + if (output->config.connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
> > + return MST_NONE;
> > +
> > + ret = igt_debugfs_simple_read(fd, DEBUGFS_MST_IS_MST_CONNECTOR, buf, sizeof(buf));
> > + igt_assert_f(ret >= 0, "Reading %s for connector %s failed.\n",
> > + DEBUGFS_MST_IS_MST_CONNECTOR, output->name);
> > +
> > + close(fd);
> > +
> > + for (i = 0; i < sizeof(mst_roles)/sizeof(char *); i++) {
> > + if (strstr(buf, mst_roles[i])) {
> > + role = i;
> > + break;
> > + }
> > + }
> > +
> > + if (role != MST_NONE)
> > + igt_info("Connector %s: is a mst %s", output->name, buf);
>
> You're missing a newline from this print.
>
>
> --
> Petri Latvala
>
>
> > + else
> > + igt_info("Connector %s: is not a mst device\n", output->name);
> > +
> > + return role;
> > +}
> > +
> > +/**
> > + * igt_amd_get_mst_progress_status: Get the mst progress status of a mst device
> > + * @drm_fd: DRM file descriptor
> > + * @output: the output to be checked
> > + *
> > + * Get the mst progress status of this specific output. The mst progress status
> > + * is indicated by:
> > + * MST_PROBE - drm connector got detected by LINK_ADDRESS sideband msg.
> > + * MST_REMOTE_EDID - successfully read out edid by REMOTE_I2C_READ sideband msg.
> > + * MST_ALLOCATE_NEW_PAYLOAD - suuccessfully allocate time slots for the stream.
> > + * MST_CLEAR_ALLOCATED_PAYLOAD - successfully clean out allocated time slots.
> > + */
> > +uint8_t igt_amd_get_mst_progress_status(int drm_fd, igt_output_t *output)
> > +{
> > + int fd, ret;
> > + char buf[256] = {'\0'};
> > + int idx = 0;
> > + char *token_end;
> > + uint8_t status = MST_STATUS_DEFAULT;
> > +
> > + fd = igt_debugfs_connector_dir(drm_fd, output->name, O_RDONLY);
> > + if (fd < 0) {
> > + igt_info("Could not open connector %s debugfs directory\n",
> > + output->name);
> > + return MST_STATUS_DEFAULT;
> > + }
> > +
> > + if (output->config.connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
> > + return MST_STATUS_DEFAULT;
> > +
> > + ret = igt_debugfs_simple_read(fd, DEBUGFS_MST_PROGRESS_STATUS, buf, sizeof(buf));
> > + igt_assert_f(ret >= 0, "Reading %s for connector %s failed.\n",
> > + DEBUGFS_MST_PROGRESS_STATUS, output->name);
> > +
> > + close(fd);
> > +
> > + /* Parse values read from file. */
> > + for (char *token = strtok_r(buf, "\n", &token_end);
> > + token != NULL;
> > + token = strtok_r(NULL, "\n", &token_end), idx++)
> > + {
> > + if (strstr(token, "not") == NULL)
> > + status |= BIT(idx);
> > + }
> > +
> > + return status;
> > +}
> > +
> > +/**
> > + * mst_trigger_hotplug: Trigger mst hotplug
> > + * @drm_fd: DRM file descriptor
> > + * @output: #igt_output_t to check.
> > + *
> > + * Trigger soft hotplug on mst connector. Caller should make sure the
> > + * passed output is mst root by igt_amd_get_mst_role(). We can't generate
> > + * soft hotplug on mst end device.
> > + */
> > +void mst_trigger_hotplug(int drm_fd, igt_output_t *output)
> > +{
> > + int fd, hpd_fd;
> > + int wr_len;
> > + const char *enable_hpd = "1", *disable_hpd = "0";
> > +
> > + fd = igt_debugfs_connector_dir(drm_fd, output->name, O_RDONLY);
> > + igt_assert(fd >= 0);
> > + hpd_fd = openat(fd, DEBUGFS_HPD_TRIGGER, O_WRONLY);
> > + close(fd);
> > + igt_assert(hpd_fd >= 0);
> > +
> > + wr_len = write(hpd_fd, disable_hpd, strlen(disable_hpd));
> > + igt_assert_eq(wr_len, strlen(disable_hpd));
> > +
> > + sleep(3);
> > +
> > + wr_len = write(hpd_fd, enable_hpd, strlen(enable_hpd));
> > + igt_assert_eq(wr_len, strlen(enable_hpd));
> > + close(hpd_fd);
> > +}
> > \ No newline at end of file
> > diff --git a/lib/igt_amd.h b/lib/igt_amd.h
> > index 428bfe6f..2d54ddc3 100644
> > --- a/lib/igt_amd.h
> > +++ b/lib/igt_amd.h
> > @@ -52,6 +52,12 @@
> > /* amdgpu DM interface entries */
> > #define DEBUGFS_DM_VISUAL_CONFIRM "amdgpu_dm_visual_confirm"
> >
> > +/* mst related read only status*/
> > +#define DEBUGFS_MST_IS_MST_CONNECTOR "is_mst_connector"
> > +#define DEBUGFS_MST_PROGRESS_STATUS "mst_progress_status"
> > +
> > +#define BIT(x) (1ul <<(x))
> > +
> > enum amd_dsc_clock_force {
> > DSC_AUTOMATIC = 0,
> > DSC_FORCE_ON,
> > @@ -131,6 +137,41 @@ enum amdgpu_debug_visual_confirm {
> > VISUAL_CONFIRM_SWIZZLE = 9
> > };
> >
> > +/*
> > + * Enumeration of the role in MST topology:
> > + * MST_NONE - drm connector is not in a MST topology
> > + * MST_ROOT - the output DP port locates at stream source.
> > + * MST_BRANCH - the intermdediate node of a path from root to leaf within a mst topology
> > + * MST_END - the leaf node of a mst topology
> > + */
> > +enum dp_mst_role {
> > + MST_NONE = 0,
> > + MST_ROOT,
> > + MST_BRANCH,
> > + MST_END,
> > +};
> > +
> > +static const char *const mst_roles[] = {
> > + "no",
> > + "root",
> > + "branch",
> > + "end",
> > +};
> > +
> > +/*
> > + * Enumeration of MST progress state. The bit order should align
> > + * with the 'enum mst_progress_statusto' in amdgpu_dm.h of
> > + * upstreamed amdgpu kernel driver
> > + */
> > +enum mst_progress_status {
> > + MST_STATUS_DEFAULT = 0,
> > + MST_PROBE = BIT(0),
> > + MST_REMOTE_EDID = BIT(1),
> > + MST_ALLOCATE_NEW_PAYLOAD = BIT(2),
> > + MST_CLEAR_ALLOCATED_PAYLOAD = BIT(3),
> > + NUM_MST_STATUS = 4,
> > +};
> > +
> > uint32_t igt_amd_create_bo(int fd, uint64_t size);
> > void *igt_amd_mmap_bo(int fd, uint32_t handle, uint64_t size, int prot);
> > unsigned int igt_amd_compute_offset(unsigned int* swizzle_pattern,
> > @@ -192,4 +233,10 @@ int igt_amd_read_psr_state(int drm_fd, char *connector_name);
> > bool igt_amd_has_visual_confirm(int drm_fd);
> > int igt_amd_get_visual_confirm(int drm_fd);
> > bool igt_amd_set_visual_confirm(int drm_fd, enum amdgpu_debug_visual_confirm option);
> > +
> > +/* DP MST debugfs helpers*/
> > +void igt_amd_require_mst(igt_display_t *display, int drm_fd);
> > +enum dp_mst_role igt_amd_get_mst_role(int drm_fd, igt_output_t *output);
> > +uint8_t igt_amd_get_mst_progress_status(int drm_fd, igt_output_t *output);
> > +void mst_trigger_hotplug(int drm_fd, igt_output_t *output);
> > #endif /* IGT_AMD_H */
> > diff --git a/tests/amdgpu/amd_mst.c b/tests/amdgpu/amd_mst.c
> > new file mode 100644
> > index 00000000..def4edbc
> > --- /dev/null
> > +++ b/tests/amdgpu/amd_mst.c
> > @@ -0,0 +1,316 @@
> > +/*
> > + * Copyright 2022 Advanced Micro Devices, Inc.
> > + *
> > + * Permission is hereby granted, free of charge, to any person obtaining a
> > + * copy of this software and associated documentation files (the "Software"),
> > + * to deal in the Software without restriction, including without limitation
> > + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> > + * and/or sell copies of the Software, and to permit persons to whom the
> > + * Software is furnished to do so, subject to the following conditions:
> > + *
> > + * The above copyright notice and this permission notice shall be included in
> > + * all copies or substantial portions of the Software.
> > + *
> > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> > + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
> > + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
> > + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> > + * OTHER DEALINGS IN THE SOFTWARE.
> > + */
> > +
> > +#include "igt.h"
> > +#include "igt_amd.h"
> > +
> > +IGT_TEST_DESCRIPTION("This igt test validates DP MST feature by:"
> > + "1. Check each mst end sink successfully go through mst light up procedure"
> > + "after hotplug root branch."
> > + "2. Check each mst end sink successfully go through mst light up procedure"
> > + "after suspend-resume");
> > +
> > +/* Maximum pipes on any AMD ASIC. */
> > +#define MAX_PIPES 6
> > +
> > +typedef struct data {
> > + igt_display_t display;
> > + igt_plane_t *primary[MAX_PIPES];
> > + igt_output_t *output_mst_end[MAX_PIPES];
> > + igt_output_t *output_mst_root[MAX_PIPES];
> > + igt_pipe_t *pipe[MAX_PIPES];
> > + igt_fb_t ref_fb[MAX_PIPES];
> > + drmModeModeInfo mode[MAX_PIPES];
> > + enum pipe pipe_id[MAX_PIPES];
> > + int w[MAX_PIPES];
> > + int h[MAX_PIPES];
> > + int fd;
> > + int num_mst_end;
> > + int usr_num_mst_end;
> > + int delay_for_progress;
> > +} data_t;
> > +
> > +static void test_init(data_t *data)
> > +{
> > + igt_display_t *display = &data->display;
> > + int i, m, n, max_pipes = display->n_pipes;
> > + enum dp_mst_role role;
> > + drmModeConnector *conn;
> > +
> > + for_each_pipe(display, i) {
> > + data->pipe_id[i] = PIPE_A + i;
> > + data->pipe[i] = &data->display.pipes[data->pipe_id[i]];
> > + data->primary[i] = igt_pipe_get_plane_type(
> > + data->pipe[i], DRM_PLANE_TYPE_PRIMARY);
> > + }
> > +
> > + /* Find mst connected root/end connector*/
> > + for (i = 0, n = 0, m = 0, data->num_mst_end = 0;
> > + i < display->n_outputs && n < max_pipes && m < max_pipes; i++) {
> > + igt_output_t *output = &display->outputs[i];
> > +
> > + conn = output->config.connector;
> > + if (conn->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
> > + continue;
> > +
> > + role = igt_amd_get_mst_role(data->fd, output);
> > +
> > + switch(role) {
> > + case MST_ROOT:
> > + data->output_mst_root[n++] = output;
> > + break;
> > + case MST_END:
> > + if (!igt_output_is_connected(output))
> > + continue;
> > + data->output_mst_end[m] = output;
> > + igt_assert(kmstest_get_connector_default_mode(
> > + data->fd, output->config.connector, &data->mode[m]));
> > +
> > + data->w[m] = data->mode[m].hdisplay;
> > + data->h[m] = data->mode[m].vdisplay;
> > + m++;
> > + data->num_mst_end++;
> > + break;
> > + default:
> > + continue;
> > + break;
> > + }
> > + }
> > +
> > + igt_require(data->output_mst_root[0]);
> > + igt_require(data->output_mst_end[0]);
> > + if (data->usr_num_mst_end)
> > + igt_assert_eq(data->usr_num_mst_end, data->num_mst_end);
> > + igt_display_reset(display);
> > +}
> > +
> > +static void test_fini(data_t *data)
> > +{
> > + igt_display_t *display = &data->display;
> > +
> > + igt_display_reset(display);
> > + igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
> > +}
> > +
> > +static bool show_mst_status_result(igt_output_t *output, uint8_t status)
> > +{
> > + uint8_t bit_idx = 0;
> > + bool result = true;
> > +
> > + igt_info("Connector:%s mst progress status:\n", output->name);
> > +
> > + for (bit_idx = 0; bit_idx < NUM_MST_STATUS; bit_idx++) {
> > + switch(BIT(bit_idx)) {
> > + case MST_PROBE:
> > + if ((status & MST_PROBE) == MST_STATUS_DEFAULT)
> > + result = false;
> > + igt_info("Probe:%s\n", (status & MST_PROBE) ? "PASS" : "FAIL");
> > + break;
> > + case MST_REMOTE_EDID:
> > + if ((status & MST_REMOTE_EDID) == MST_STATUS_DEFAULT)
> > + result = false;
> > + igt_info("Remote EDID:%s\n", (status & MST_REMOTE_EDID) ? "PASS" : "FAIL");
> > + break;
> > + case MST_ALLOCATE_NEW_PAYLOAD:
> > + if ((status & MST_ALLOCATE_NEW_PAYLOAD) == MST_STATUS_DEFAULT)
> > + result = false;
> > + igt_info("Allocate new payload:%s\n",
> > + (status & MST_ALLOCATE_NEW_PAYLOAD) ? "PASS" : "FAIL");
> > + break;
> > + default:
> > + break;
> > + }
> > + }
> > +
> > + return result;
> > +}
> > +
> > +static void reset_resource(data_t *data)
> > +{
> > + igt_display_reset(&data->display);
> > + igt_display_fini(&data->display);
> > + close(data->fd);
> > +
> > + memset(data->primary, 0, sizeof(igt_plane_t *)*MAX_PIPES);
> > + memset(data->output_mst_end, 0, sizeof(igt_output_t *)*MAX_PIPES);
> > + memset(data->output_mst_root, 0, sizeof(igt_output_t *)*MAX_PIPES);
> > + memset(data->pipe, 0, sizeof(igt_pipe_t *)*MAX_PIPES);
> > + memset(data->mode, 0, sizeof(drmModeModeInfo)*MAX_PIPES);
> > + memset(data->pipe_id, 0, sizeof(enum pipe)*MAX_PIPES);
> > + memset(data->w, 0, sizeof(int)*MAX_PIPES);
> > + memset(data->h, 0, sizeof(int)*MAX_PIPES);
> > +
> > + data->fd = drm_open_driver_master(DRIVER_AMDGPU);
> > + igt_display_require(&data->display, data->fd);
> > +}
> > +
> > +static void set_up_streams(data_t *data)
> > +{
> > + igt_output_t *output;
> > + int i;
> > +
> > + for (i = 0; i < MAX_PIPES; i++) {
> > + output = data->output_mst_end[i];
> > + if (!output || !igt_output_is_connected(output))
> > + continue;
> > +
> > + igt_create_pattern_fb(data->fd, data->w[i], data->h[i],
> > + DRM_FORMAT_XRGB8888, 0, &data->ref_fb[i]);
> > + igt_output_set_pipe(output, data->pipe_id[i]);
> > + igt_plane_set_fb(data->primary[i], &data->ref_fb[i]);
> > + }
> > + igt_display_commit_atomic(&data->display, DRM_MODE_ATOMIC_ALLOW_MODESET, 0);
> > + sleep(5);
> > +}
> > +
> > +static void validate_mst_progress_result(data_t *data)
> > +{
> > + int i = 0;
> > + uint8_t status = 0;
> > + igt_output_t *output;
> > +
> > + for (i = 0; i < data->num_mst_end; i++) {
> > + output = data->output_mst_end[i];
> > +
> > + if (!output)
> > + continue;
> > +
> > + status = igt_amd_get_mst_progress_status(data->fd, output);
> > +
> > + /* make sure all mst end device get lit up correctly*/
> > + igt_assert(show_mst_status_result(output, status));
> > + }
> > +}
> > +
> > +static void test_mst_hotplug_basic(data_t *data)
> > +{
> > + igt_output_t *output;
> > + int i = 0;
> > +
> > + test_init(data);
> > +
> > + /* Setup all end mst output */
> > + set_up_streams(data);
> > +
> > + /*confirm mst progress is done*/
> > + validate_mst_progress_result(data);
> > +
> > + /* Trigger hotplug*/
> > + for (i = 0; i < MAX_PIPES; i++) {
> > + output = data->output_mst_root[i];
> > +
> > + if (!output)
> > + continue;
> > +
> > + mst_trigger_hotplug(data->fd, output);
> > + }
> > +
> > + /* mst connectors are dynamically created/destroyed. Need
> > + * to free and reallocate resources then commit streams again
> > + */
> > + reset_resource(data);
> > +
> > + test_init(data);
> > +
> > + set_up_streams(data);
> > +
> > + if (data->delay_for_progress)
> > + sleep(data->delay_for_progress);
> > + else
> > + sleep(5);
> > + /*confirm mst progress status again*/
> > + validate_mst_progress_result(data);
> > +
> > + /*do suspend resume*/
> > + igt_system_suspend_autoresume(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE);
> > +
> > + if (data->delay_for_progress)
> > + sleep(data->delay_for_progress);
> > + else
> > + sleep(5);
> > +
> > + /*confirm mst progress status again*/
> > + validate_mst_progress_result(data);
> > +
> > + for (i = 0; i < MAX_PIPES; i++) {
> > + output = data->output_mst_end[i];
> > +
> > + if (!output)
> > + continue;
> > +
> > + igt_remove_fb(data->fd, &data->ref_fb[i]);
> > + }
> > +
> > + test_fini(data);
> > +}
> > +
> > +const char *optstr = "hn:d:";
> > +static void usage(const char *name)
> > +{
> > + igt_info("Usage: %s options\n", name);
> > + igt_info("-h Show help\n");
> > + igt_info("-n mst_num Set how many monitors connected in the mst topology\n");
> > + igt_info("-d delay Set delay before checking the mst progress status\n");
> > + igt_info("NOTE: if -n is not specified, number of monitors will be detected automatically"
> > + "by current connection status\n");
> > + igt_info("NOTE: if -d is not specified, delay before checking the mst progress status"
> > + "will be set as 5s\n");
> > +}
> > +
> > +int main(int argc, char **argv)
In addition to the earlier comment, no custom main functions in tests
please. Use igt_main_args for this. Or igt_simple_main_args if you
don't plan to have subtests.
--
Petri Latvala
> > +{
> > + data_t data;
> > + int c;
> > +
> > + igt_skip_on_simulation();
> > +
> > + memset(&data, 0, sizeof(data));
> > +
> > + data.fd = drm_open_driver_master(DRIVER_AMDGPU);
> > + kmstest_set_vt_graphics_mode();
> > +
> > + igt_display_require(&data.display, data.fd);
> > + igt_require(data.display.is_atomic);
> > + igt_display_require_output(&data.display);
> > +
> > + igt_amd_require_hpd(&data.display, data.fd);
> > + igt_amd_require_mst(&data.display, data.fd);
> > +
> > + while((c = getopt(argc, argv, optstr)) != -1) {
> > + switch(c) {
> > + case 'n':
> > + data.usr_num_mst_end = atoi(optarg);
> > + break;
> > + case 'd':
> > + data.delay_for_progress = atoi(optarg);
> > + break;
> > + case 'h':
> > + default:
> > + usage(argv[0]);
> > + exit(EXIT_SUCCESS);
> > + }
> > + }
> > +
> > + test_mst_hotplug_basic(&data);
> > +
> > + igt_display_fini(&data.display);
> > +}
> > diff --git a/tests/amdgpu/meson.build b/tests/amdgpu/meson.build
> > index f4a0b9fd..5964c080 100644
> > --- a/tests/amdgpu/meson.build
> > +++ b/tests/amdgpu/meson.build
> > @@ -21,6 +21,7 @@ if libdrm_amdgpu.found()
> > 'amd_psr',
> > 'amd_plane',
> > 'amd_ilr',
> > + 'amd_mst',
> > ]
> > amdgpu_deps += libdrm_amdgpu
> > endif
> > --
> > 2.25.1
> >
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