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backend/drm: retry without modifiers for the primary plane

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On some Intel cards using modifiers can fill the FIFO and prevent
hotplugged outputs from being properly enabled.

Add a fallback without modifiers.

Fixes: 2bdd1d0896 ("backend/drm: use modifiers for our GBM buffers")
References: https://github.com/swaywm/wlroots/issues/1840
Closes: https://github.com/swaywm/wlroots/issues/1852
This commit is contained in:
Simon Ser 2019-10-22 18:41:47 +02:00 • committed by Scott Anderson
parent 51416738ea
commit e97c2c3639
3 changed files with 83 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

9
backend/drm/renderer.c
View file

@ -287,10 +287,13 @@ struct gbm_bo *copy_drm_surface_mgpu(struct wlr_drm_surface *dest,
bool init_drm_plane_surfaces(struct wlr_drm_plane *plane,
struct wlr_drm_backend *drm, int32_t width, uint32_t height,
uint32_t format) {
uint32_t format, bool with_modifiers) {
struct wlr_drm_format_set *format_set =
with_modifiers ? &plane->formats : NULL;
if (!drm->parent) {
return init_drm_surface(&plane->surf, &drm->renderer, width, height,
format, &plane->formats, GBM_BO_USE_SCANOUT);
format, format_set, GBM_BO_USE_SCANOUT);
}
if (!init_drm_surface(&plane->surf, &drm->parent->renderer,
@ -299,7 +302,7 @@ bool init_drm_plane_surfaces(struct wlr_drm_plane *plane,
}
if (!init_drm_surface(&plane->mgpu_surf, &drm->renderer,
width, height, format, &plane->formats, GBM_BO_USE_SCANOUT)) {
width, height, format, format_set, GBM_BO_USE_SCANOUT)) {
finish_drm_surface(&plane->surf);
return false;
}