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https://github.com/hyprwm/wlroots-hyprland.git
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96e9c0f9c8
The DRM subsystem needs a NULL modeset for connectors which disappear from the system to disable the hardware pipes, otherwise the pixels get rendered but are sent nowhere. The atomic backend does the equivalent by removing the properties and issuing a commit. Fixes #1706
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
#include <gbm.h>
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#include <wlr/util/log.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include "backend/drm/drm.h"
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#include "backend/drm/iface.h"
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#include "backend/drm/util.h"
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static bool legacy_crtc_pageflip(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, struct wlr_drm_crtc *crtc,
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uint32_t fb_id, drmModeModeInfo *mode) {
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if (mode) {
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if (drmModeSetCrtc(drm->fd, crtc->id, fb_id, 0, 0,
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&conn->id, 1, mode)) {
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wlr_log_errno(WLR_ERROR, "%s: Failed to set CRTC", conn->output.name);
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return false;
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}
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}
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if (drmModePageFlip(drm->fd, crtc->id, fb_id, DRM_MODE_PAGE_FLIP_EVENT, conn)) {
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wlr_log_errno(WLR_ERROR, "%s: Failed to page flip", conn->output.name);
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return false;
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}
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return true;
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}
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static bool legacy_conn_enable(struct wlr_drm_backend *drm,
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struct wlr_drm_connector *conn, bool enable) {
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int ret = drmModeConnectorSetProperty(drm->fd, conn->id, conn->props.dpms,
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enable ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF);
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if (!enable) {
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drmModeSetCrtc(drm->fd, conn->crtc->id, 0, 0, 0, NULL, 0,
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NULL);
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}
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return ret >= 0;
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}
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bool legacy_crtc_set_cursor(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc, struct gbm_bo *bo) {
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if (!crtc || !crtc->cursor) {
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return true;
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}
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if (!bo) {
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if (drmModeSetCursor(drm->fd, crtc->id, 0, 0, 0)) {
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wlr_log_errno(WLR_DEBUG, "Failed to clear hardware cursor");
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return false;
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}
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return true;
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}
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struct wlr_drm_plane *plane = crtc->cursor;
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if (drmModeSetCursor(drm->fd, crtc->id, gbm_bo_get_handle(bo).u32,
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plane->surf.width, plane->surf.height)) {
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wlr_log_errno(WLR_DEBUG, "Failed to set hardware cursor");
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return false;
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}
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return true;
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}
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bool legacy_crtc_move_cursor(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc, int x, int y) {
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return !drmModeMoveCursor(drm->fd, crtc->id, x, y);
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}
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bool legacy_crtc_set_gamma(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc, size_t size,
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uint16_t *r, uint16_t *g, uint16_t *b) {
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return !drmModeCrtcSetGamma(drm->fd, crtc->id, (uint32_t)size, r, g, b);
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}
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size_t legacy_crtc_get_gamma_size(struct wlr_drm_backend *drm,
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struct wlr_drm_crtc *crtc) {
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return (size_t)crtc->legacy_crtc->gamma_size;
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}
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const struct wlr_drm_interface legacy_iface = {
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.conn_enable = legacy_conn_enable,
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.crtc_pageflip = legacy_crtc_pageflip,
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.crtc_set_cursor = legacy_crtc_set_cursor,
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.crtc_move_cursor = legacy_crtc_move_cursor,
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.crtc_set_gamma = legacy_crtc_set_gamma,
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.crtc_get_gamma_size = legacy_crtc_get_gamma_size,
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};
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