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Merge pull request #1286 from emersion/drm-no-crtc
backend/drm: better handle GPUs without CRTCs
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commit
fb5572db5a
1 changed files with 9 additions and 4 deletions
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@ -156,6 +156,11 @@ bool init_drm_resources(struct wlr_drm_backend *drm) {
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wlr_log(WLR_INFO, "Found %d DRM CRTCs", res->count_crtcs);
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drm->num_crtcs = res->count_crtcs;
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if (drm->num_crtcs == 0) {
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drmModeFreeResources(res);
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return true;
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}
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drm->crtcs = calloc(drm->num_crtcs, sizeof(drm->crtcs[0]));
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if (!drm->crtcs) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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@ -433,9 +438,9 @@ static void realloc_planes(struct wlr_drm_backend *drm, const uint32_t *crtc_in,
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continue;
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}
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uint32_t possible[drm->num_type_planes[type]];
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uint32_t crtc[drm->num_crtcs];
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uint32_t crtc_res[drm->num_crtcs];
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uint32_t possible[drm->num_type_planes[type] + 1];
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uint32_t crtc[drm->num_crtcs + 1];
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uint32_t crtc_res[drm->num_crtcs + 1];
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for (size_t i = 0; i < drm->num_type_planes[type]; ++i) {
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possible[i] = drm->type_planes[type][i].possible_crtcs;
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@ -1160,7 +1165,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
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}
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}
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bool changed_outputs[wl_list_length(&drm->outputs)];
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bool changed_outputs[wl_list_length(&drm->outputs) + 1];
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memset(changed_outputs, false, sizeof(changed_outputs));
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for (size_t i = 0; i < new_outputs_len; ++i) {
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struct wlr_drm_connector *conn = new_outputs[i];
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