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backend-drm: Don't try to use planes without GBM

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GBM is how we import all our client content into DRM FBs, so don't try
anything other than renderer-only without it.

Signed-off-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Daniel Stone 2021-12-16 16:16:42 +00:00
parent af42fc1e33
commit 075c4ac286
1 changed files with 7 additions and 1 deletions
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8
libweston/backend-drm/state-propose.c
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@ -940,6 +940,12 @@ drm_output_propose_state(struct weston_output *output_base,
force_renderer = true;
}
if (!b->gbm) {
drm_debug(b, "\t\t\t\t[view] not assigning view %p to plane "
"(GBM not available)\n", ev);
force_renderer = true;
}
if (!weston_view_has_valid_buffer(ev)) {
drm_debug(b, "\t\t\t\t[view] not assigning view %p to plane "
"(no buffer available)\n", ev);
@ -1085,7 +1091,7 @@ drm_assign_planes(struct weston_output *output_base, void *repaint_data)
drm_debug(b, "\t[repaint] preparing state for output %s (%lu)\n",
output_base->name, (unsigned long) output_base->id);
if (!b->sprites_are_broken && !output->virtual) {
if (!b->sprites_are_broken && !output->virtual && b->gbm) {
drm_debug(b, "\t[repaint] trying planes-only build state\n");
state = drm_output_propose_state(output_base, pending_state, mode);
if (!state) {