From c65e092d27a0b82b6e295493a0fb5f4bca9ccba5 Mon Sep 17 00:00:00 2001 From: Vito Caputo Date: Sat, 31 Dec 2016 21:48:43 -0800 Subject: drmsetup: add mode selection Rather than using whatever the existing drm_crtc->mode is, present all modes on the chosen connector and let the user pick. --- drmsetup.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drmsetup.c b/drmsetup.c index 5ec832b..3670974 100644 --- a/drmsetup.c +++ b/drmsetup.c @@ -83,7 +83,7 @@ void drm_setup(int *res_drm_fd, uint32_t *res_crtc_id, uint32_t *res_connector_i drmModeEncoderPtr drm_enc; drmModeCrtcPtr drm_crtc; char dev[256]; - int connector_num; + int connector_num, mode_num; pexit_if(!drmAvailable(), "drm unavailable"); @@ -110,6 +110,7 @@ void drm_setup(int *res_drm_fd, uint32_t *res_crtc_id, uint32_t *res_connector_i pexit_if(!(drm_res = drmModeGetResources(drm_fd)), "unable to get drm resources"); + printf("\nConnectors\n"); connected = 0; for (i = 0; i < drm_res->count_connectors; i++) { @@ -125,9 +126,8 @@ void drm_setup(int *res_drm_fd, uint32_t *res_crtc_id, uint32_t *res_connector_i connected++; - printf("%i: Connector [%x]: %s [%s%s%s]\n", - i, (int)drm_res->connectors[i], - connector_type_name(drm_con->connector_type), + printf(" %i: %s (%s%s%s)\n", + i, connector_type_name(drm_con->connector_type), connection_type_name(drm_con->connection), drm_con->encoder_id ? " via " : "", drm_con->encoder_id ? encoder_type_name(drm_enc->encoder_type) : ""); @@ -136,7 +136,7 @@ void drm_setup(int *res_drm_fd, uint32_t *res_crtc_id, uint32_t *res_connector_i exit_if(!connected, "No connectors available, try different card or my bug?"); - ask_num(&connector_num, drm_res->count_connectors, "Connector", 0); // TODO default? + ask_num(&connector_num, drm_res->count_connectors, "Select connector", 0); // TODO default? pexit_if(!(drm_con = drmModeGetConnector(drm_fd, drm_res->connectors[connector_num])), "unable to get connector %x", (int)drm_res->connectors[connector_num]); @@ -149,5 +149,14 @@ void drm_setup(int *res_drm_fd, uint32_t *res_crtc_id, uint32_t *res_connector_i *res_drm_fd = drm_fd; *res_crtc_id = drm_crtc->crtc_id; *res_connector_id = drm_con->connector_id; - *res_mode = &drm_crtc->mode; + + printf("\nModes\n"); + for (i = 0; i < drm_con->count_modes; i++) { + printf(" %i: %s @ %"PRIu32"Hz\n", + i, drm_con->modes[i].name, + drm_con->modes[i].vrefresh); + } + ask_num(&mode_num, drm_con->count_modes, "Select mode", 0); // TODO default to &drm_crtc->mode? + + *res_mode = &drm_con->modes[mode_num]; } -- cgit v1.2.3