From f52513b09580c1533e6c48a4162d3d5f61f3b081 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Fri, 5 Mar 2021 18:23:13 +0100 Subject: misc MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libgamma_linux_drm_crtc_initialise.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 libgamma_linux_drm_crtc_initialise.c (limited to 'libgamma_linux_drm_crtc_initialise.c') diff --git a/libgamma_linux_drm_crtc_initialise.c b/libgamma_linux_drm_crtc_initialise.c new file mode 100644 index 0000000..022429b --- /dev/null +++ b/libgamma_linux_drm_crtc_initialise.c @@ -0,0 +1,24 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * Initialise an allocated CRTC state + * + * @param this The CRTC state to initialise + * @param partition The partition state for the partition that the CRTC belongs to + * @param crtc The the index of the CRTC within the site + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int +libgamma_linux_drm_crtc_initialise(libgamma_crtc_state_t *restrict this, + libgamma_partition_state_t *restrict partition, size_t crtc) +{ + libgamma_drm_card_data_t *restrict card = partition->data; + + if (crtc >= partition->crtcs_available) + return LIBGAMMA_NO_SUCH_CRTC; + this->data = (void*)(size_t)card->res->crtcs[crtc]; + return 0; +} -- cgit v1.2.3-70-g09d2