diff --git a/extlibs/headers/drm/drm-common.c b/extlibs/headers/drm/drm-common.c index 7fdd422b0..9a870054a 100644 --- a/extlibs/headers/drm/drm-common.c +++ b/extlibs/headers/drm/drm-common.c @@ -309,34 +309,6 @@ int init_drm(struct drm *drm, const char *device, const char *mode_str, printf("requested mode not found, using default mode!\n"); } - /* find preferred mode or the highest resolution mode: */ - if (!drm->mode) - { - for (i = 0, area = 0; i < connector->count_modes; i++) - { - drmModeModeInfo *current_mode = &connector->modes[i]; - - if (current_mode->type & DRM_MODE_TYPE_PREFERRED) - { - drm->mode = current_mode; - break; - } - - int current_area = current_mode->hdisplay * current_mode->vdisplay; - if (current_area > area) - { - drm->mode = current_mode; - area = current_area; - } - } - } - - if (!drm->mode) - { - printf("could not find mode!\n"); - return -1; - } - /* find encoder: */ for (i = 0; i < resources->count_encoders; i++) { @@ -373,7 +345,17 @@ int init_drm(struct drm *drm, const char *device, const char *mode_str, // get original display mode so we can restore display mode after program exits drm->original_crtc = drmModeGetCrtc(drm->fd, drm->crtc_id); - if(getenv("SFML_DRM_DEBUG")) + /* Let's use the current mode rather than the preferred one if the user didn't + * specify a mode with env vars + */ + if (!drm->mode) + { + if(getenv("SFML_DRM_DEBUG")) + printf("DRM using the current mode\n"); + drm->mode = &(drm->original_crtc->mode); + } + + if (getenv("SFML_DRM_DEBUG")) { printf("DRM Mode used: %s@%d\n", drm->mode->name, drm->mode->vrefresh); } diff --git a/src/SFML/Window/DRM/DRMContext.cpp b/src/SFML/Window/DRM/DRMContext.cpp index d73409413..d92a10a4e 100644 --- a/src/SFML/Window/DRM/DRMContext.cpp +++ b/src/SFML/Window/DRM/DRMContext.cpp @@ -94,14 +94,18 @@ namespace if (!initialized) return; - drmModeSetCrtc(drmNode.fd, - drmNode.original_crtc->crtc_id, - drmNode.original_crtc->buffer_id, - drmNode.original_crtc->x, - drmNode.original_crtc->y, - &drmNode.connector_id, - 1, - &drmNode.original_crtc->mode); + /* Avoid a modeswitch if possible */ + if (drmNode.mode != &drmNode.original_crtc->mode) + drmModeSetCrtc(drmNode.fd, + drmNode.original_crtc->crtc_id, + drmNode.original_crtc->buffer_id, + drmNode.original_crtc->x, + drmNode.original_crtc->y, + &drmNode.connector_id, + 1, + &drmNode.original_crtc->mode); + else if (getenv("SFML_DRM_DEBUG")) + printf("DRM keeping the same mode since using the original one\n"); drmModeFreeConnector(drmNode.saved_connector); drmModeFreeEncoder(drmNode.saved_encoder);