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frontend: Enable VRR from the config file

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Allow weston.ini to enable game VRR.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-02-03 12:29:01 -06:00 • committed by Marius Vlad
parent 8e26bf1ce9
commit c7cf87fe85
2 changed files with 66 additions and 0 deletions
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53
frontend/main.c
View file

@ -1361,6 +1361,56 @@ wet_output_set_transform(struct weston_output *output,
return 0;
}
static int
wet_output_set_vrr_mode(struct weston_output *output,
struct weston_config_section *section)
{
static const struct {
const char *name;
enum weston_vrr_mode vrr_mode;
} vrr_modes[] = {
{ "none", WESTON_VRR_MODE_NONE },
{ "game", WESTON_VRR_MODE_GAME },
};
enum weston_vrr_mode vrr_mode = WESTON_VRR_MODE_NONE;
char *vrr_str = NULL;
unsigned int i;
weston_config_section_get_string(section, "vrr-mode", &vrr_str, NULL);
if (!vrr_str)
return vrr_mode;
for (i = 0; i < ARRAY_LENGTH(vrr_modes); i++)
if (strcmp(vrr_str, vrr_modes[i].name) == 0)
break;
if (i == ARRAY_LENGTH(vrr_modes)) {
weston_log("Error in config for output '%s': '%s' is not a valid vrr mode. Try one of:",
output->name, vrr_str);
for (i = 0; i < ARRAY_LENGTH(vrr_modes); i++)
weston_log_continue(" %s", vrr_modes[i].name);
weston_log_continue("\n");
free(vrr_str);
return -1;
}
vrr_mode = vrr_modes[i].vrr_mode;
if (vrr_mode && (weston_output_get_supported_vrr_modes(output) & vrr_mode) == 0) {
weston_log("Error: output '%s' does not support output format %s.\n",
output->name, vrr_str);
free(vrr_str);
return -1;
}
free(vrr_str);
if (weston_output_set_vrr_mode(output, vrr_mode) < 0)
return -1;
return 0;
}
static int
wet_output_set_color_profile(struct weston_output *output,
struct weston_config_section *section,
@ -2423,6 +2473,9 @@ drm_backend_output_configure(struct weston_output *output,
wet->config, section) < 0)
return -1;
if (wet_output_set_vrr_mode(output, section) < 0)
return -1;
return 0;
}

13
man/weston.ini.man
View file

@ -669,6 +669,19 @@ only for remote outputs.
NOTE: The native outputs created by the DRM backend using the 'clone-of'
are for cloning the outputs, and not sharing or mirroring. See also
.BR weston-drm(7).
.TP 7
.BI "vrr-mode=" mode
Sets the variable refresh rate mode of the display.
The mode can be one of the following strings:
.PP
.RS 10
.nf
.BR "none " "variable refresh rate is disabled"
.BR "game " "game variable refresh rate"
.fi
.RE
.IP
Defaults to "none".
.\"---------------------------------------------------------------------
.SH "INPUT-METHOD SECTION"
.TP 7