From e88db9a3fb4208776b2a3ef35fdbd5fa344c0905 Mon Sep 17 00:00:00 2001 From: emersion Date: Wed, 3 Oct 2018 10:53:35 +0200 Subject: backend/drm: reset gamma table on VT switch --- backend/drm/drm.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'backend/drm/drm.c') diff --git a/backend/drm/drm.c b/backend/drm/drm.c index ac7fca02..fa9a95ae 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -193,6 +193,7 @@ void finish_drm_resources(struct wlr_drm_backend *drm) { if (crtc->gamma_lut) { drmModeDestroyPropertyBlob(drm->fd, crtc->gamma_lut); } + free(crtc->gamma_table); } for (size_t i = 0; i < drm->num_planes; ++i) { struct wlr_drm_plane *plane = &drm->planes[i]; @@ -270,7 +271,7 @@ static size_t drm_connector_get_gamma_size(struct wlr_output *output) { return 0; } -static bool drm_connector_set_gamma(struct wlr_output *output, size_t size, +bool set_drm_connector_gamma(struct wlr_output *output, size_t size, const uint16_t *r, const uint16_t *g, const uint16_t *b) { struct wlr_drm_connector *conn = get_drm_connector_from_output(output); struct wlr_drm_backend *drm = get_drm_backend_from_backend(output->backend); @@ -308,8 +309,13 @@ static bool drm_connector_set_gamma(struct wlr_output *output, size_t size, bool ok = drm->iface->crtc_set_gamma(drm, conn->crtc, size, _r, _g, _b); if (ok) { wlr_output_update_needs_swap(output); + + free(conn->crtc->gamma_table); + conn->crtc->gamma_table = gamma_table; + conn->crtc->gamma_table_size = size; + } else { + free(gamma_table); } - free(gamma_table); return ok; } @@ -736,7 +742,7 @@ static const struct wlr_output_impl output_impl = { .destroy = drm_connector_destroy, .make_current = drm_connector_make_current, .swap_buffers = drm_connector_swap_buffers, - .set_gamma = drm_connector_set_gamma, + .set_gamma = set_drm_connector_gamma, .get_gamma_size = drm_connector_get_gamma_size, .export_dmabuf = drm_connector_export_dmabuf, }; @@ -771,6 +777,8 @@ static void dealloc_crtc(struct wlr_drm_connector *conn) { wlr_log(WLR_DEBUG, "De-allocating CRTC %zu for output '%s'", conn->crtc - drm->crtcs, conn->output.name); + set_drm_connector_gamma(&conn->output, 0, NULL, NULL, NULL); + for (size_t type = 0; type < 3; ++type) { struct wlr_drm_plane *plane = conn->crtc->planes[type]; if (plane == NULL) { -- cgit v1.2.3