#include #include #include #include #include #include #include #include #define DRM_DEBUG //---------------------------------------------------------------------------- // DRM //---------------------------------------------------------------------------- struct _Drm_Render_ { int fd_drm; drmModeModeInfo mode; drmModeCrtc *saved_crtc; // drmEventContext ev; int bpp; uint32_t connector_id, crtc_id, video_plane; uint32_t hdr_metadata; uint32_t mmWidth,mmHeight; // Size in mm uint32_t hdr_blob_id; }; typedef struct _Drm_Render_ VideoRender; struct { struct gbm_device *dev; struct gbm_surface *surface; } gbm; VideoRender *render; //---------------------------------------------------------------------------- // Helper functions //---------------------------------------------------------------------------- #ifndef ARRAY_SIZE #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) #endif struct type_name { unsigned int type; const char *name; }; static const char *util_lookup_type_name(unsigned int type, const struct type_name *table, unsigned int count) { unsigned int i; for (i = 0; i < count; i++) if (table[i].type == type) return table[i].name; return NULL; } static const struct type_name connector_type_names[] = { { DRM_MODE_CONNECTOR_Unknown, "unknown" }, { DRM_MODE_CONNECTOR_VGA, "VGA" }, { DRM_MODE_CONNECTOR_DVII, "DVI-I" }, { DRM_MODE_CONNECTOR_DVID, "DVI-D" }, { DRM_MODE_CONNECTOR_DVIA, "DVI-A" }, { DRM_MODE_CONNECTOR_Composite, "composite" }, { DRM_MODE_CONNECTOR_SVIDEO, "s-video" }, { DRM_MODE_CONNECTOR_LVDS, "LVDS" }, { DRM_MODE_CONNECTOR_Component, "component" }, { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" }, { DRM_MODE_CONNECTOR_DisplayPort, "DP" }, { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" }, { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" }, { DRM_MODE_CONNECTOR_TV, "TV" }, { DRM_MODE_CONNECTOR_eDP, "eDP" }, { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" }, { DRM_MODE_CONNECTOR_DSI, "DSI" }, { DRM_MODE_CONNECTOR_DPI, "DPI" }, }; const char *util_lookup_connector_type_name(unsigned int type) { return util_lookup_type_name(type, connector_type_names, ARRAY_SIZE(connector_type_names)); } static uint64_t GetPropertyValue(int fd_drm, uint32_t objectID, uint32_t objectType, const char *propName) { uint32_t i; int found = 0; uint64_t value = 0; drmModePropertyPtr Prop; drmModeObjectPropertiesPtr objectProps = drmModeObjectGetProperties(fd_drm, objectID, objectType); for (i = 0; i < objectProps->count_props; i++) { if ((Prop = drmModeGetProperty(fd_drm, objectProps->props[i])) == NULL) fprintf(stderr, "GetPropertyValue: Unable to query property.\n"); if (strcmp(propName, Prop->name) == 0) { value = objectProps->prop_values[i]; found = 1; } drmModeFreeProperty(Prop); if (found) break; } drmModeFreeObjectProperties(objectProps); #ifdef DRM_DEBUG if (!found) fprintf(stderr, "GetPropertyValue: Unable to find value for property \'%s\'.\n", propName); #endif return value; } static uint32_t GetPropertyID(int fd_drm, uint32_t objectID, uint32_t objectType, const char *propName) { uint32_t i; int found = 0; uint32_t value = -1; drmModePropertyPtr Prop; drmModeObjectPropertiesPtr objectProps = drmModeObjectGetProperties(fd_drm, objectID, objectType); for (i = 0; i < objectProps->count_props; i++) { if ((Prop = drmModeGetProperty(fd_drm, objectProps->props[i])) == NULL) fprintf(stderr, "GetPropertyValue: Unable to query property.\n"); if (strcmp(propName, Prop->name) == 0) { value = objectProps->props[i]; found = 1; } drmModeFreeProperty(Prop); if (found) break; } drmModeFreeObjectProperties(objectProps); #ifdef DRM_DEBUG if (!found) Debug(3,"GetPropertyValue: Unable to find ID for property \'%s\'.\n",propName); #endif return value; } static int SetPropertyRequest(drmModeAtomicReqPtr ModeReq, int fd_drm, uint32_t objectID, uint32_t objectType, const char *propName, uint64_t value) { uint32_t i; uint64_t id = 0; drmModePropertyPtr Prop; drmModeObjectPropertiesPtr objectProps = drmModeObjectGetProperties(fd_drm, objectID, objectType); for (i = 0; i < objectProps->count_props; i++) { if ((Prop = drmModeGetProperty(fd_drm, objectProps->props[i])) == NULL) printf( "SetPropertyRequest: Unable to query property.\n"); if (strcmp(propName, Prop->name) == 0) { id = Prop->prop_id; drmModeFreeProperty(Prop); break; } drmModeFreeProperty(Prop); } drmModeFreeObjectProperties(objectProps); if (id == 0) printf( "SetPropertyRequest: Unable to find value for property \'%s\'.\n", propName); return drmModeAtomicAddProperty(ModeReq, objectID, id, value); } static int FindDevice(VideoRender * render) { drmVersion *version; drmModeRes *resources; drmModeConnector *connector; drmModeEncoder *encoder = 0; drmModeModeInfo *mode; drmModePlane *plane; drmModePlaneRes *plane_res; drmModeObjectPropertiesPtr props; uint32_t j, k; uint64_t has_dumb; uint64_t has_prime; int i,ii=0; char connectorstr[10]; int found = 0; #ifdef RASPI render->fd_drm = open("/dev/dri/card1", O_RDWR); #else render->fd_drm = open("/dev/dri/card0", O_RDWR); #endif if (render->fd_drm < 0) { fprintf(stderr, "FindDevice: cannot open /dev/dri/card0: %m\n"); return -errno; } drmSetMaster(render->fd_drm); version = drmGetVersion(render->fd_drm); fprintf(stderr, "FindDevice: open /dev/dri/card0: %s\n", version->name); // check capability if (drmGetCap(render->fd_drm, DRM_CAP_DUMB_BUFFER, &has_dumb) < 0 || has_dumb == 0) fprintf(stderr, "FindDevice: drmGetCap DRM_CAP_DUMB_BUFFER failed or doesn't have dumb buffer\n"); if (drmSetClientCap(render->fd_drm, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1) != 0) fprintf(stderr, "FindDevice: DRM_CLIENT_CAP_UNIVERSAL_PLANES not available.\n"); if (drmSetClientCap(render->fd_drm, DRM_CLIENT_CAP_ATOMIC, 1) != 0) fprintf(stderr, "FindDevice: DRM_CLIENT_CAP_ATOMIC not available.\n"); if (drmGetCap(render->fd_drm, DRM_CAP_PRIME, &has_prime) < 0) fprintf(stderr, "FindDevice: DRM_CAP_PRIME not available.\n"); if (drmGetCap(render->fd_drm, DRM_PRIME_CAP_EXPORT, &has_prime) < 0) fprintf(stderr, "FindDevice: DRM_PRIME_CAP_EXPORT not available.\n"); if (drmGetCap(render->fd_drm, DRM_PRIME_CAP_IMPORT, &has_prime) < 0) fprintf(stderr, "FindDevice: DRM_PRIME_CAP_IMPORT not available.\n"); if ((resources = drmModeGetResources(render->fd_drm)) == NULL){ fprintf(stderr, "FindDevice: cannot retrieve DRM resources (%d): %m\n", errno); return -errno; } #ifdef DEBUG Debug(3,"[FindDevice] DRM have %i connectors, %i crtcs, %i encoders\n", resources->count_connectors, resources->count_crtcs, resources->count_encoders); #endif // find all available connectors for (i = 0; i < resources->count_connectors; i++) { connector = drmModeGetConnector(render->fd_drm, resources->connectors[i]); if (!connector) { fprintf(stderr, "FindDevice: cannot retrieve DRM connector (%d): %m\n", errno); return -errno; } sprintf(connectorstr,"%s-%u",util_lookup_connector_type_name(connector->connector_type),connector->connector_type_id); printf("Connector >%s< is %sconnected\n",connectorstr,connector->connection == DRM_MODE_CONNECTED?"":"not "); if (DRMConnector && strcmp(DRMConnector,connectorstr)) continue; if (connector->connection == DRM_MODE_CONNECTED && connector->count_modes > 0) { render->connector_id = connector->connector_id; render->mmHeight = connector->mmHeight; render->mmWidth = connector->mmWidth; // FIXME: use default encoder/crtc pair if ((encoder = drmModeGetEncoder(render->fd_drm, connector->encoder_id)) == NULL){ fprintf(stderr, "FindDevice: cannot retrieve encoder (%d): %m\n", errno); return -errno; } render->crtc_id = encoder->crtc_id; render->hdr_metadata = GetPropertyID(render->fd_drm, connector->connector_id, DRM_MODE_OBJECT_CONNECTOR, "HDR_OUTPUT_METADATA"); printf("ID %d of METADATA in Connector %d connected %d\n",render->hdr_metadata,connector->connector_id,connector->connection); memcpy(&render->mode, &connector->modes[0], sizeof(drmModeModeInfo)); // set fallback // search Modes for Connector for (ii = 0; ii < connector->count_modes; ii++) { mode = &connector->modes[ii]; printf("Mode %d %dx%d Rate %d\n",ii,mode->hdisplay,mode->vdisplay,mode->vrefresh); if (VideoWindowWidth && VideoWindowHeight) { // preset by command line if (VideoWindowWidth == mode->hdisplay && VideoWindowHeight == mode->vdisplay && mode->vrefresh == DRMRefresh && !(mode->flags & DRM_MODE_FLAG_INTERLACE)) { memcpy(&render->mode, mode, sizeof(drmModeModeInfo)); break; } } else { if (!(mode->flags & DRM_MODE_FLAG_INTERLACE)) { memcpy(&render->mode, mode, sizeof(drmModeModeInfo)); VideoWindowWidth = mode->hdisplay; VideoWindowHeight = mode->vdisplay; break; } } } found = 1; i = resources->count_connectors; // uuuuhh } VideoWindowWidth = render->mode.hdisplay; VideoWindowHeight = render->mode.vdisplay; if (found) printf("Use Mode %d %dx%d Rate %d\n",ii,render->mode.hdisplay,render->mode.vdisplay,render->mode.vrefresh); drmModeFreeConnector(connector); } if (!found) { Debug(3,"Requested Connector not found or not connected\n"); printf("Requested Connector not found or not connected\n"); return -1; } // find first plane if ((plane_res = drmModeGetPlaneResources(render->fd_drm)) == NULL) fprintf(stderr, "FindDevice: cannot retrieve PlaneResources (%d): %m\n", errno); for (j = 0; j < plane_res->count_planes; j++) { plane = drmModeGetPlane(render->fd_drm, plane_res->planes[j]); if (plane == NULL) fprintf(stderr, "FindDevice: cannot query DRM-KMS plane %d\n", j); for (i = 0; i < resources->count_crtcs; i++) { if (plane->possible_crtcs & (1 << i)) break; } uint64_t type = GetPropertyValue(render->fd_drm, plane_res->planes[j], DRM_MODE_OBJECT_PLANE, "type"); uint64_t zpos = 0; #ifdef DRM_DEBUG // If more then 2 crtcs this must rewriten!!! printf("[FindDevice] Plane id %i crtc_id %i possible_crtcs %i possible CRTC %i type %s\n", plane->plane_id, plane->crtc_id, plane->possible_crtcs, resources->crtcs[i], (type == DRM_PLANE_TYPE_PRIMARY) ? "primary plane" : (type == DRM_PLANE_TYPE_OVERLAY) ? "overlay plane" : (type == DRM_PLANE_TYPE_CURSOR) ? "cursor plane" : "No plane type"); #endif // test pixel format and plane caps for (k = 0; k < plane->count_formats; k++) { if (encoder->possible_crtcs & plane->possible_crtcs) { switch (plane->formats[k]) { #ifdef RASPI case DRM_FORMAT_ARGB8888: #else case DRM_FORMAT_XRGB2101010: #endif if (!render->video_plane) { render->video_plane = plane->plane_id; } break; default: break; } } } drmModeFreePlane(plane); } drmModeFreePlaneResources(plane_res); drmModeFreeEncoder(encoder); drmModeFreeResources(resources); #ifdef DRM_DEBUG printf("[FindDevice] DRM setup CRTC: %i video_plane: %i \n", render->crtc_id, render->video_plane); #endif // save actual modesetting render->saved_crtc = drmModeGetCrtc(render->fd_drm, render->crtc_id); return 0; } /// /// Initialize video output module. /// void VideoInitDrm() { int i; if (!(render = calloc(1, sizeof(*render)))) { Fatal(_("video/DRM: out of memory\n")); return; } if (FindDevice(render)){ Fatal(_( "VideoInit: FindDevice() failed\n")); } gbm.dev = gbm_create_device (render->fd_drm); assert (gbm.dev != NULL); PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display = NULL; get_platform_display = (void *) eglGetProcAddress("eglGetPlatformDisplay"); assert(get_platform_display != NULL); eglDisplay = get_platform_display(EGL_PLATFORM_GBM_KHR, gbm.dev, NULL); assert (eglDisplay != NULL); // return; drmModeAtomicReqPtr ModeReq; const uint32_t flags = DRM_MODE_ATOMIC_ALLOW_MODESET; uint32_t modeID = 0; if (drmModeCreatePropertyBlob(render->fd_drm, &render->mode, sizeof(render->mode), &modeID) != 0) { fprintf(stderr, "Failed to create mode property.\n"); return; } if (!(ModeReq = drmModeAtomicAlloc())) { fprintf(stderr, "cannot allocate atomic request (%d): %m\n", errno); return; } printf("set CRTC %d of Connector %d aktiv\n",render->crtc_id,render->connector_id); SetPropertyRequest(ModeReq, render->fd_drm, render->crtc_id, DRM_MODE_OBJECT_CRTC, "MODE_ID", modeID); SetPropertyRequest(ModeReq, render->fd_drm, render->connector_id, DRM_MODE_OBJECT_CONNECTOR, "CRTC_ID", render->crtc_id); SetPropertyRequest(ModeReq, render->fd_drm, render->crtc_id, DRM_MODE_OBJECT_CRTC, "ACTIVE", 1); if (drmModeAtomicCommit(render->fd_drm, ModeReq, flags, NULL) != 0) fprintf(stderr, "cannot set atomic mode (%d): %m\n", errno); if (drmModeDestroyPropertyBlob(render->fd_drm, modeID) != 0) fprintf(stderr, "cannot destroy property blob (%d): %m\n", errno); drmModeAtomicFree(ModeReq); } void get_drm_aspect(int *num,int *den) { Debug(3,"mmHeight %d mmWidth %d VideoHeight %d VideoWidth %d\n",render->mmHeight,render->mmWidth,VideoWindowHeight,VideoWindowWidth); *num = VideoWindowWidth * render->mmHeight; *den = VideoWindowHeight * render->mmWidth; } struct gbm_bo *bo = NULL, *next_bo=NULL; struct drm_fb *fb; static int m_need_modeset = 0; static int old_color=-1,old_trc=-1; void InitBo(int bpp) { // create the GBM and EGL surface render->bpp = bpp; gbm.surface = gbm_surface_create (gbm.dev, VideoWindowWidth,VideoWindowHeight, bpp==10?GBM_FORMAT_XRGB2101010:GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT|GBM_BO_USE_RENDERING); assert(gbm.surface != NULL); eglSurface = eglCreateWindowSurface (eglDisplay, eglConfig, gbm.surface, NULL); assert(eglSurface != NULL); } static struct gbm_bo *previous_bo = NULL; static uint32_t previous_fb; static void drm_swap_buffers () { uint32_t fb; eglSwapBuffers (eglDisplay, eglSurface); struct gbm_bo *bo = gbm_surface_lock_front_buffer (gbm.surface); #if 1 if (bo == NULL) bo = gbm_surface_lock_front_buffer (gbm.surface); #endif assert (bo != NULL); uint32_t handle = gbm_bo_get_handle (bo).u32; uint32_t pitch = gbm_bo_get_stride (bo); drmModeAddFB (render->fd_drm, VideoWindowWidth,VideoWindowHeight,render->bpp==10? 30:24, 32, pitch, handle, &fb); // drmModeSetCrtc (render->fd_drm, render->crtc_id, fb, 0, 0, &render->connector_id, 1, &render->mode); if (m_need_modeset) { drmModeAtomicReqPtr ModeReq; const uint32_t flags = DRM_MODE_ATOMIC_ALLOW_MODESET; uint32_t modeID = 0; if (drmModeCreatePropertyBlob(render->fd_drm, &render->mode, sizeof(render->mode), &modeID) != 0) { fprintf(stderr, "Failed to create mode property.\n"); return; } if (!(ModeReq = drmModeAtomicAlloc())) { fprintf(stderr, "cannot allocate atomic request (%d): %m\n", errno); return; } // Need to disable the CRTC in order to submit the HDR data.... SetPropertyRequest(ModeReq, render->fd_drm, render->crtc_id, DRM_MODE_OBJECT_CRTC, "ACTIVE", 0); if (drmModeAtomicCommit(render->fd_drm, ModeReq, flags, NULL) != 0) fprintf(stderr, "cannot set atomic mode (%d): %m\n", errno); sleep(2); SetPropertyRequest(ModeReq, render->fd_drm, render->connector_id, DRM_MODE_OBJECT_CONNECTOR, "Colorspace",old_color==AVCOL_PRI_BT2020?9:2 ); SetPropertyRequest(ModeReq, render->fd_drm, render->crtc_id, DRM_MODE_OBJECT_CRTC, "MODE_ID", modeID); SetPropertyRequest(ModeReq, render->fd_drm, render->connector_id, DRM_MODE_OBJECT_CONNECTOR, "CRTC_ID", render->crtc_id); SetPropertyRequest(ModeReq, render->fd_drm, render->crtc_id, DRM_MODE_OBJECT_CRTC, "ACTIVE", 1); if (drmModeAtomicCommit(render->fd_drm, ModeReq, flags, NULL) != 0) fprintf(stderr, "cannot set atomic mode (%d): %m\n", errno); if (drmModeDestroyPropertyBlob(render->fd_drm, modeID) != 0) fprintf(stderr, "cannot destroy prperty blob (%d): %m\n", errno); drmModeAtomicFree(ModeReq); m_need_modeset = 0; } drmModeSetCrtc (render->fd_drm, render->crtc_id, fb, 0, 0, &render->connector_id, 1, &render->mode); if (previous_bo) { drmModeRmFB (render->fd_drm, previous_fb); gbm_surface_release_buffer (gbm.surface, previous_bo); } previous_bo = bo; previous_fb = fb; } static void drm_clean_up () { // set the previous crtc if (!render) return; Debug(3,"drm clean up\n"); if (previous_bo) { drmModeRmFB (render->fd_drm, previous_fb); gbm_surface_release_buffer (gbm.surface, previous_bo); } drmModeSetCrtc (render->fd_drm, render->saved_crtc->crtc_id, render->saved_crtc->buffer_id, render->saved_crtc->x, render->saved_crtc->y, &render->connector_id, 1, &render->saved_crtc->mode); drmModeFreeCrtc (render->saved_crtc); if (render->hdr_blob_id) drmModeDestroyPropertyBlob(render->fd_drm, render->hdr_blob_id); render->hdr_blob_id = 0; eglDestroySurface (eglDisplay, eglSurface); EglCheck(); gbm_surface_destroy (gbm.surface); eglDestroyContext (eglDisplay, eglContext); EglCheck(); eglDestroyContext (eglDisplay, eglSharedContext); EglCheck(); eglSharedContext = NULL; eglTerminate (eglDisplay); EglCheck(); gbm_device_destroy (gbm.dev); drmDropMaster(render->fd_drm); close (render->fd_drm); eglDisplay = NULL; free(render); }