diff options
Diffstat (limited to 'src/sna/sna_display.c')
| -rw-r--r-- | src/sna/sna_display.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c index a5d69dd5..ecfe6702 100644 --- a/src/sna/sna_display.c +++ b/src/sna/sna_display.c @@ -60,6 +60,7 @@ struct sna_crtc { int num; int id; int pipe; + int plane; int active; struct list link; }; @@ -144,6 +145,12 @@ int sna_crtc_to_pipe(xf86CrtcPtr crtc) return sna_crtc->pipe; } +int sna_crtc_to_plane(xf86CrtcPtr crtc) +{ + struct sna_crtc *sna_crtc = crtc->driver_private; + return sna_crtc->plane; +} + static uint32_t gem_create(int fd, int size) { struct drm_i915_gem_create create; @@ -852,6 +859,37 @@ static const xf86CrtcFuncsRec sna_crtc_funcs = { .destroy = sna_crtc_destroy, }; +static uint32_t +sna_crtc_find_plane(struct sna *sna, int pipe) +{ + drmModePlaneRes *resources; + uint32_t id = 0; + int i; + + resources = drmModeGetPlaneResources(sna->kgem.fd); + if (!resources) { + xf86DrvMsg(sna->scrn->scrnIndex, X_ERROR, + "failed to get plane resources: %s\n", + strerror(errno)); + return 0; + } + + for (i = 0; id == 0 && i < resources->count_planes; i++) { + drmModePlane *p; + + p = drmModeGetPlane(sna->kgem.fd, resources->planes[i]); + if (p) { + if (p->possible_crtcs & (1 << pipe)) + id = p->plane_id; + + drmModeFreePlane(p); + } + } + + free(resources); + return id; +} + static void sna_crtc_init(ScrnInfoPtr scrn, struct sna_mode *mode, int num) { @@ -878,6 +916,7 @@ sna_crtc_init(ScrnInfoPtr scrn, struct sna_mode *mode, int num) DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID, &get_pipe); sna_crtc->pipe = get_pipe.pipe; + sna_crtc->plane = sna_crtc_find_plane(sna, sna_crtc->pipe); if (xf86IsEntityShared(scrn->entityList[0]) && scrn->confScreen->device->screen != sna_crtc->pipe) { |