On Monday, 22 July 2019 18:08:23 CEST Ezequiel Garcia wrote:
> This option finds the first connected connector and then
> sets its preferred mode on it.
>
> Set this option to be set when no mode or plane is set
> explicitily. This allows to quickly test, in cases where
> one just needs something displayed.
>
> Signed-off-by: Ezequiel Garcia <ezequ...@collabora.com>
> ---
> tests/modetest/modetest.c | 81 ++++++++++++++++++++++++++++++++++++---
> 1 file changed, 75 insertions(+), 6 deletions(-)
>
> diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
> index 5e628127a130..6042aaae7cca 100644
> --- a/tests/modetest/modetest.c
> +++ b/tests/modetest/modetest.c
> @@ -901,7 +901,9 @@ static int pipe_find_crtc_and_mode(struct device *dev,
> struct pipe_arg *pipe) drmModeModeInfo *mode = NULL;
> int i;
>
> - pipe->mode = NULL;
> + /* If set_preferred is used, a mode is already set. */
> + if (pipe->mode)
> + goto find_crtc;
>
> for (i = 0; i < (int)pipe->num_cons; i++) {
> mode = connector_find_mode(dev, pipe->con_ids[i],
> @@ -913,7 +915,9 @@ static int pipe_find_crtc_and_mode(struct device *dev,
> struct pipe_arg *pipe) return -EINVAL;
> }
> }
> + pipe->mode = mode;
>
> +find_crtc:
> /* If the CRTC ID was specified, get the corresponding CRTC.
Otherwise
> * locate a CRTC that can be attached to all the connectors.
> */
> @@ -935,7 +939,6 @@ static int pipe_find_crtc_and_mode(struct device *dev,
> struct pipe_arg *pipe) return -EINVAL;
> }
>
> - pipe->mode = mode;
> pipe->crtc->mode = mode;
>
> return 0;
> @@ -1813,7 +1816,7 @@ static void parse_fill_patterns(char *arg)
>
> static void usage(char *name)
> {
> - fprintf(stderr, "usage: %s [-acDdefMPpsCvw]\n", name);
> + fprintf(stderr, "usage: %s [-acDdefMPpsCvrw]\n", name);
>
> fprintf(stderr, "\n Query options:\n\n");
> fprintf(stderr, "\t-c\tlist connectors\n");
> @@ -1826,6 +1829,7 @@ static void usage(char *name)
> fprintf(stderr, "\t-s
> <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[-<vrefresh>][@<format>]\
> tset a mode\n"); fprintf(stderr, "\t-C\ttest hw cursor\n");
> fprintf(stderr, "\t-v\ttest vsynced page flipping\n");
> + fprintf(stderr, "\t-r\tset the preferred mode\n");
> fprintf(stderr, "\t-w <obj_id>:<prop_name>:<value>\tset
property\n");
> fprintf(stderr, "\t-a \tuse atomic API\n");
> fprintf(stderr, "\t-F pattern1,pattern2\tspecify fill
patterns\n");
> @@ -1874,6 +1878,9 @@ static int pipe_resolve_connectors(struct device *dev,
> struct pipe_arg *pipe) char *endp;
>
> for (i = 0; i < pipe->num_cons; i++) {
> + /* If set_preferred is used, the connector is already
resolved. */
> + if (pipe->con_ids[i])
> + continue;
> id = strtoul(pipe->cons[i], &endp, 10);
> if (endp == pipe->cons[i]) {
> connector = get_connector_by_name(dev, pipe-
>cons[i]);
> @@ -1885,14 +1892,62 @@ static int pipe_resolve_connectors(struct device
> *dev, struct pipe_arg *pipe)
>
> id = connector->connector_id;
> }
> -
> pipe->con_ids[i] = id;
> }
>
> return 0;
> }
>
> -static char optstr[] = "acdD:efF:M:P:ps:Cvw:";
> +static char optstr[] = "acdD:efF:M:P:ps:Cvrw:";
> +
> +static int pipe_find_preferred(struct device *dev, struct pipe_arg *pipe)
> +{
> + drmModeRes *res = dev->resources->res;
> + drmModeConnector *con = NULL;
> + char *con_str;
> + int i;
> +
> + for (i = 0; i < res->count_connectors; i++) {
> + con = drmModeGetConnector(dev->fd, res->connectors[i]);
> + if (con->connection == DRM_MODE_CONNECTED)
> + break;
> + drmModeFreeConnector(con);
> + con = NULL;
> + }
> +
> + if (!con) {
> + printf("no connected connector!\n");
> + return -1;
> + }
> +
> + con_str = malloc(8);
> + sprintf(con_str, "%d", con->connector_id);
> + strcpy(pipe->format_str, "XR24");
> + pipe->fourcc = util_format_fourcc(pipe->format_str);
> + pipe->num_cons = 1;
> + pipe->con_ids = calloc(1, sizeof(*pipe->con_ids));
> + pipe->cons = calloc(1, sizeof(*pipe->cons));
> + pipe->con_ids[0] = con->connector_id;
> + pipe->cons[0] = (const char*)con_str;
> +
> + /* A CRTC possible will be chosen by pipe_find_crtc_and_mode. */
> + pipe->crtc_id = (uint32_t)-1;
> +
> + /* Return the first mode if no preferred. */
> + pipe->mode = &con->modes[0];
> + for (i = 0; i < con->count_modes; i++) {
> + drmModeModeInfo *current_mode = &con->modes[i];
> +
> + if (current_mode->type & DRM_MODE_TYPE_PREFERRED) {
> + pipe->mode = current_mode;
> + break;
> + }
> + }
> +
> + sprintf(pipe->mode_str, "%dx%d", pipe->mode->hdisplay,
> pipe->mode->vdisplay); +
> + return 0;
> +}
>
> int main(int argc, char **argv)
> {
> @@ -1903,6 +1958,7 @@ int main(int argc, char **argv)
> int drop_master = 0;
> int test_vsync = 0;
> int test_cursor = 0;
> + int set_preferred = 0;
> int use_atomic = 0;
> char *device = NULL;
> char *module = NULL;
> @@ -1987,6 +2043,9 @@ int main(int argc, char **argv)
> case 'v':
> test_vsync = 1;
> break;
> + case 'r':
> + set_preferred = 1;
> + break;
> case 'w':
> prop_args = realloc(prop_args,
> (prop_count + 1) *
sizeof *prop_args);
> @@ -2008,7 +2067,7 @@ int main(int argc, char **argv)
> }
>
> if (!args || (args == 1 && use_atomic))
> - encoders = connectors = crtcs = planes = framebuffers =
1;
> + set_preferred = encoders = connectors = crtcs = planes =
framebuffers =
> 1;
>
> dev.fd = util_open(device, module);
> if (dev.fd < 0)
> @@ -2044,6 +2103,16 @@ int main(int argc, char **argv)
> return 1;
> }
>
> + if (set_preferred) {
> + count = 1;
> + pipe_args = calloc(1, sizeof(*pipe_args));
> + ret = pipe_find_preferred(&dev, &pipe_args[0]);
> + if (ret) {
> + fprintf(stderr, "can't get preferred
connector and mode: %s\n",
> strerror(errno)); + return 1;
> + }
> + }
> +
> for (i = 0; i < count; i++) {
> if (pipe_resolve_connectors(&dev, &pipe_args[i]) < 0) {
> free_resources(dev.resources);Reviewed-by: Rohan Garg <rohan.g...@collabora.com>
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