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apply_output_config: dpms on before modeset

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On the DRM backend, if an output is dpms'd off and a different output is
hotplugged, the CRTC for the output is reclaimed. When modesetting an
output without a CRTC, a CRTC will not be given to an output that is not
desired to be enabled. This splits setting the dpms state in
apply_output_config. If the output should be dpms on, the it is enabled
before attempting to modeset. Otherwise, it is dpms'd off after setting
everything else.

This also adds DPMS_ON to the default output configs.
This commit is contained in:
Brian Ashworth 2019-02-15 03:01:19 -05:00 committed by emersion
parent e8c472aee9
commit 96de2b539c
1 changed files with 9 additions and 13 deletions
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22
sway/config/output.c
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@ -199,6 +199,11 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
return true;
}
if (oc && oc->dpms_state == DPMS_ON) {
sway_log(SWAY_DEBUG, "Turning on screen");
wlr_output_enable(wlr_output, true);
}
bool modeset_success;
if (oc && oc->width > 0 && oc->height > 0) {
sway_log(SWAY_DEBUG, "Set %s mode to %dx%d (%f GHz)", oc->name, oc->width,
@ -263,19 +268,9 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
}
}
if (oc) {
switch (oc->dpms_state) {
case DPMS_ON:
sway_log(SWAY_DEBUG, "Turning on screen");
wlr_output_enable(wlr_output, true);
break;
case DPMS_OFF:
sway_log(SWAY_DEBUG, "Turning off screen");
wlr_output_enable(wlr_output, false);
break;
case DPMS_IGNORE:
break;
}
if (oc && oc->dpms_state == DPMS_OFF) {
sway_log(SWAY_DEBUG, "Turning off screen");
wlr_output_enable(wlr_output, false);
}
return true;
@ -294,6 +289,7 @@ static void default_output_config(struct output_config *oc,
oc->x = oc->y = -1;
oc->scale = 1;
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
oc->dpms_state = DPMS_ON;
}
static struct output_config *get_output_config(char *identifier,