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backend/drm: stop tracking overlay planes 

We don't do anything with them. Once we do, we can easily add this back.
This commit is contained in:
Simon Ser 2020-12-06 17:06:48 +01:00
parent 29da97c185
commit 863acb26c0
2 changed files with 7 additions and 24 deletions
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24
backend/drm/drm.c
View File

@ -197,6 +197,13 @@ static bool init_planes(struct wlr_drm_backend *drm) {
goto error;
}
// We don't really care about overlay planes, as we don't support them
// yet.
if (type == DRM_PLANE_TYPE_OVERLAY) {
drmModeFreePlane(plane);
continue;
}
/*
* This is a very naive implementation of the plane matching
* logic. Primary and cursor planes should only work on a
@ -204,10 +211,6 @@ static bool init_planes(struct wlr_drm_backend *drm) {
* overlay planes can potentially work with multiple CRTCs,
* meaning this could return inefficient/skewed results.
*
* However, we don't really care about overlay planes, as we
* don't support them yet. We only bother to keep basic
* tracking of them for DRM lease clients.
*
* possible_crtcs is a bitmask of crtcs, where each bit is an
* index into drmModeRes.crtcs. So if bit 0 is set (ffs starts
* counting from 1), crtc 0 is possible.
@ -218,18 +221,6 @@ static bool init_planes(struct wlr_drm_backend *drm) {
assert(crtc_bit >= 0 && (size_t)crtc_bit < drm->num_crtcs);
struct wlr_drm_crtc *crtc = &drm->crtcs[crtc_bit];
if (type == DRM_PLANE_TYPE_OVERLAY) {
uint32_t *tmp = realloc(crtc->overlays,
sizeof(*crtc->overlays) * (crtc->num_overlays + 1));
if (tmp) {
crtc->overlays = tmp;
crtc->overlays[crtc->num_overlays++] = id;
}
drmModeFreePlane(plane);
continue;
}
if (!add_plane(drm, crtc, plane, type, &props)) {
drmModeFreePlane(plane);
goto error;
@ -314,7 +305,6 @@ void finish_drm_resources(struct wlr_drm_backend *drm) {
wlr_drm_format_set_finish(&crtc->cursor->formats);
free(crtc->cursor);
}
free(crtc->overlays);
}
free(drm->crtcs);

7
include/backend/drm/drm.h
View File

@ -63,13 +63,6 @@ struct wlr_drm_crtc {
struct wlr_drm_plane *primary;
struct wlr_drm_plane *cursor;
/*
* We don't support overlay planes yet, but we keep track of them to
* give to DRM lease clients.
*/
size_t num_overlays;
uint32_t *overlays;
union wlr_drm_crtc_props props;
};