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libdrm: modetest: Allow selecting modes by index 

Often there are many similar modes, which cannot be selected
via modetest due to its simple string matching.

This change adds a mode index in the display output, which can
then be used to specify a specific modeline to be set.

Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Rob Clark <robdclark@chromium.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: John Stultz <john.stultz@linaro.org>
[emil: rebase]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
main
John Stultz 2019-06-27 21:37:07 +00:00 committed by Emil Velikov
parent c9d4540bf6
commit 899da0f486
1 changed files with 17 additions and 6 deletions
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23
tests/modetest/modetest.c
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@ -214,9 +214,10 @@ static void dump_encoders(struct device *dev)
printf("\n");
}
static void dump_mode(drmModeModeInfo *mode)
static void dump_mode(drmModeModeInfo *mode, int index)
{
printf(" %s %.2f %d %d %d %d %d %d %d %d %d",
printf(" #%i %s %.2f %d %d %d %d %d %d %d %d %d",
index,
mode->name,
mode_vrefresh(mode),
mode->hdisplay,
@ -453,10 +454,10 @@ static void dump_connectors(struct device *dev)
if (connector->count_modes) {
printf(" modes:\n");
printf("\tname refresh (Hz) hdisp hss hse htot vdisp "
printf("\tindex name refresh (Hz) hdisp hss hse htot vdisp "
"vss vse vtot)\n");
for (j = 0; j < connector->count_modes; j++)
dump_mode(&connector->modes[j]);
dump_mode(&connector->modes[j], j);
}
if (_connector->props) {
@ -488,7 +489,7 @@ static void dump_crtcs(struct device *dev)
crtc->buffer_id,
crtc->x, crtc->y,
crtc->width, crtc->height);
dump_mode(&crtc->mode);
dump_mode(&crtc->mode, 0);
if (_crtc->props) {
printf(" props:\n");
@ -839,6 +840,16 @@ connector_find_mode(struct device *dev, uint32_t con_id, const char *mode_str,
if (!connector || !connector->count_modes)
return NULL;
/* Pick by Index */
if (mode_str[0] == '#') {
int index = atoi(mode_str + 1);
if (index >= connector->count_modes || index < 0)
return NULL;
return &connector->modes[index];
}
/* Pick by Name */
for (i = 0; i < connector->count_modes; i++) {
mode = &connector->modes[i];
if (!strcmp(mode->name, mode_str)) {
@ -1836,7 +1847,7 @@ static void usage(char *name)
fprintf(stderr, "\n Test options:\n\n");
fprintf(stderr, "\t-P <plane_id>@<crtc_id>:<w>x<h>[+<x>+<y>][*<scale>][@<format>]\tset a plane\n");
fprintf(stderr, "\t-s <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[-<vrefresh>][@<format>]\tset a mode\n");
fprintf(stderr, "\t-s <connector_id>[,<connector_id>][@<crtc_id>]:[#<mode index>]<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-w <obj_id>:<prop_name>:<value>\tset property\n");