Nyaaori/gamescope
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drm: stop trying to use previous encoder/CRTC

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Just pick one, simplifies our logic. Now that we disable all CRTCs
on startup, we don't risk stepping over another connector's.
This commit is contained in:
Simon Ser 2021-07-20 20:42:15 +02:00
parent c9af23c750
commit 70d3dda4d4
1 changed files with 4 additions and 20 deletions
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20
src/drm.cpp
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@ -441,7 +441,6 @@ int init_drm(struct drm_t *drm, const char *device)
{
drmModeRes *resources;
drmModeConnector *connector = NULL;
drmModeEncoder *encoder = NULL;
int i, ret;
if (device) {
@ -529,27 +528,12 @@ int init_drm(struct drm_t *drm, const char *device)
return -1;
}
/* find encoder: */
for (i = 0; i < resources->count_encoders; i++) {
encoder = drmModeGetEncoder(drm->fd, resources->encoders[i]);
if (encoder->encoder_id == connector->encoder_id)
break;
drmModeFreeEncoder(encoder);
encoder = NULL;
}
if (encoder) {
drm->crtc_id = encoder->crtc_id;
} else {
uint32_t crtc_id = find_crtc_for_connector(drm, resources, connector);
if (crtc_id == 0) {
drm->crtc_id = find_crtc_for_connector(drm, resources, connector);
if (drm->crtc_id == 0) {
fprintf(stderr, "no crtc found!\n");
return -1;
}
drm->crtc_id = crtc_id;
}
for (i = 0; i < resources->count_crtcs; i++) {
if (resources->crtcs[i] == drm->crtc_id) {
drm->crtc_index = i;