QT_BEGIN_NAMESPACE
#ifndef DRM_CAP_CURSOR_WIDTH
#define DRM_CAP_CURSOR_WIDTH 0x8
#endif
#ifndef DRM_CAP_CURSOR_HEIGHT
#define DRM_CAP_CURSOR_HEIGHT 0x9
#endif
QKmsCursor::QKmsCursor(QKmsScreen *screen)
: m_screen(screen),
m_graphicsBufferManager(screen->device()->gbmDevice()),
m_cursorImage(new QPlatformCursorImage(0, 0, 0, 0, 0, 0)),
m_moved(false),
m_cursorSize(64, 64)
{
uint64_t value = 0;
if (!drmGetCap(m_screen->device()->fd(), DRM_CAP_CURSOR_WIDTH, &value))
m_cursorSize.setWidth(value);
if (!drmGetCap(m_screen->device()->fd(), DRM_CAP_CURSOR_HEIGHT, &value))
m_cursorSize.setHeight(value);
m_cursorBufferObject = gbm_bo_create(m_graphicsBufferManager, m_cursorSize.width(), m_cursorSize.height(),
GBM_FORMAT_ARGB8888, GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE);
}
int
nouveau_present_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
NVPtr pNv = NVPTR(scrn);
struct nouveau_present *present;
uint64_t value;
int ret;
present = pNv->present = calloc(1, sizeof(*present));
if (!present)
return -ENOMEM;
present->info.version = PRESENT_SCREEN_INFO_VERSION;
present->info.get_crtc = nouveau_present_crtc;
present->info.get_ust_msc = nouveau_present_ust_msc;
present->info.queue_vblank = nouveau_present_vblank_queue;
present->info.abort_vblank = nouveau_present_vblank_abort;
present->info.flush = nouveau_present_flush;
if (pNv->has_pageflip) {
#ifdef DRM_CAP_ASYNC_PAGE_FLIP
ret = drmGetCap(pNv->dev->fd, DRM_CAP_ASYNC_PAGE_FLIP, &value);
if (ret == 0 && value == 1)
present->info.capabilities |= PresentCapabilityAsync;
#endif
present->info.check_flip = nouveau_present_flip_check;
present->info.flip = nouveau_present_flip_next;
present->info.unflip = nouveau_present_flip_stop;
}
return present_screen_init(screen, &present->info);
}
ply_renderer_driver_interface_t *
ply_renderer_generic_driver_get_interface (int device_fd)
{
uint64_t supports_dumb_buffers;
static ply_renderer_driver_interface_t driver_interface =
{
.create_driver = create_driver,
.destroy_driver = destroy_driver,
.create_buffer = create_buffer,
.fetch_buffer = fetch_buffer,
.map_buffer = map_buffer,
.unmap_buffer = unmap_buffer,
.begin_flush = begin_flush,
.end_flush = end_flush,
.destroy_buffer = destroy_buffer,
};
if (drmGetCap (device_fd, DRM_CAP_DUMB_BUFFER, &supports_dumb_buffers) < 0)
return NULL;
if (!supports_dumb_buffers)
return NULL;
return &driver_interface;
}
static char* getCapability(int fd, int cap) {
uint64_t has;
static char buffer[10];
if (drmGetCap(fd, cap, &has) < 0) {
return "unknown";
} else {
sprintf(buffer, "%lu", has);
return buffer;
}
}
// Returns true if device supports dumb buffering, false otherwise.
bool DRM_Device::SuportsDumbBuffer() const
{
uint64_t supportsDumbBuffer;
if (drmGetCap(_fd, DRM_CAP_DUMB_BUFFER, &supportsDumbBuffer) < 0)
{
throw std::runtime_error(Logger::LogError(LOG_ERR, errno,
DrmCantGetCapability));
}
return supportsDumbBuffer != 0;
}
Bool
ms_present_screen_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
modesettingPtr ms = modesettingPTR(scrn);
uint64_t value;
int ret;
ret = drmGetCap(ms->fd, DRM_CAP_ASYNC_PAGE_FLIP, &value);
if (ret == 0 && value == 1)
ms_present_screen_info.capabilities |= PresentCapabilityAsync;
return present_screen_init(screen, &ms_present_screen_info);
}
static gboolean
get_drm_caps (GstKMSSink * self)
{
gint ret;
guint64 has_dumb_buffer;
guint64 has_prime;
guint64 has_async_page_flip;
has_dumb_buffer = 0;
ret = drmGetCap (self->fd, DRM_CAP_DUMB_BUFFER, &has_dumb_buffer);
if (ret)
GST_WARNING_OBJECT (self, "could not get dumb buffer capability");
if (has_dumb_buffer == 0) {
GST_ERROR_OBJECT (self, "driver cannot handle dumb buffers");
return FALSE;
}
has_prime = 0;
ret = drmGetCap (self->fd, DRM_CAP_PRIME, &has_prime);
if (ret)
GST_WARNING_OBJECT (self, "could not get prime capability");
else
self->has_prime_import = (gboolean) (has_prime & DRM_PRIME_CAP_IMPORT);
has_async_page_flip = 0;
ret = drmGetCap (self->fd, DRM_CAP_ASYNC_PAGE_FLIP, &has_async_page_flip);
if (ret)
GST_WARNING_OBJECT (self, "could not get async page flip capability");
else
self->has_async_page_flip = (gboolean) has_async_page_flip;
GST_INFO_OBJECT (self, "prime import (%s) / async page flip (%s)",
self->has_prime_import ? "✓" : "✗",
self->has_async_page_flip ? "✓" : "✗");
return TRUE;
}
static Bool
intel_present_has_async_flip(ScreenPtr screen)
{
#ifdef DRM_CAP_ASYNC_PAGE_FLIP
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
intel_screen_private *intel = intel_get_screen_private(scrn);
int ret;
uint64_t value;
ret = drmGetCap(intel->drmSubFD, DRM_CAP_ASYNC_PAGE_FLIP, &value);
if (ret == 0)
return value == 1;
#endif
return FALSE;
}
static int modeset_open(struct vo *vo, int *out, const char *node)
{
*out = -1;
int fd = open(node, O_RDWR | O_CLOEXEC);
if (fd < 0) {
MP_ERR(vo, "Cannot open \"%s\": %s.\n", node, mp_strerror(errno));
return -errno;
}
uint64_t has_dumb;
if (drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb) < 0) {
MP_ERR(vo, "Device \"%s\" does not support dumb buffers.\n", node);
return -EOPNOTSUPP;
}
*out = fd;
return 0;
}
static int modeset_open(int *out, const char *node)
{
int fd, ret;
uint64_t has_dumb;
fd = open(node, O_RDWR | O_CLOEXEC);
if (fd < 0) {
ret = -errno;
fprintf(stderr, "cannot open '%s': %m\n", node);
return ret;
}
if (drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb) < 0 ||
!has_dumb) {
fprintf(stderr, "drm device '%s' does not support dumb buffers\n",
node);
close(fd);
return -EOPNOTSUPP;
}
*out = fd;
return 0;
}
static int video_init(struct uterm_video *video, const char *node)
{
int ret;
struct dumb_video *dumb = &video->dumb;
uint64_t has_dumb;
log_info("probing %s", node);
dumb->fd = open(node, O_RDWR | O_CLOEXEC);
if (dumb->fd < 0) {
log_err("cannot open drm device %s (%d): %m", node, errno);
return -EFAULT;
}
drmDropMaster(dumb->fd);
if (drmGetCap(dumb->fd, DRM_CAP_DUMB_BUFFER, &has_dumb) < 0 ||
!has_dumb) {
log_err("driver does not support dumb buffers");
ret = -EFAULT;
goto err_close;
}
ret = ev_eloop_new_fd(video->eloop, &dumb->efd, dumb->fd,
EV_READABLE, event, video);
if (ret)
goto err_close;
video->flags |= VIDEO_HOTPLUG;
log_info("new drm device via %s", node);
return 0;
err_close:
close(dumb->fd);
return ret;
}
static Bool
PreInit(ScrnInfoPtr pScrn, int flags)
{
modesettingPtr ms;
rgb defaultWeight = { 0, 0, 0 };
EntityInfoPtr pEnt;
EntPtr msEnt = NULL;
char *BusID = NULL;
const char *devicename;
Bool prefer_shadow = TRUE;
uint64_t value = 0;
int ret;
int bppflags;
int defaultdepth, defaultbpp;
if (pScrn->numEntities != 1)
return FALSE;
pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
if (flags & PROBE_DETECT) {
return FALSE;
}
/* Allocate driverPrivate */
if (!GetRec(pScrn))
return FALSE;
ms = modesettingPTR(pScrn);
ms->SaveGeneration = -1;
ms->pEnt = pEnt;
pScrn->displayWidth = 640; /* default it */
/* Allocate an entity private if necessary */
if (xf86IsEntityShared(pScrn->entityList[0])) {
msEnt = xf86GetEntityPrivate(pScrn->entityList[0],
modesettingEntityIndex)->ptr;
ms->entityPrivate = msEnt;
} else
ms->entityPrivate = NULL;
if (xf86IsEntityShared(pScrn->entityList[0])) {
if (xf86IsPrimInitDone(pScrn->entityList[0])) {
/* do something */
} else {
xf86SetPrimInitDone(pScrn->entityList[0]);
}
}
pScrn->monitor = pScrn->confScreen->monitor;
pScrn->progClock = TRUE;
pScrn->rgbBits = 8;
#if XSERVER_PLATFORM_BUS
if (pEnt->location.type == BUS_PLATFORM) {
#ifdef XF86_PDEV_SERVER_FD
if (pEnt->location.id.plat->flags & XF86_PDEV_SERVER_FD)
ms->fd = xf86_get_platform_device_int_attrib(pEnt->location.id.plat, ODEV_ATTRIB_FD, -1);
else
#endif
{
char *path = xf86_get_platform_device_attrib(pEnt->location.id.plat, ODEV_ATTRIB_PATH);
ms->fd = open_hw(path);
}
}
else
#endif
if (pEnt->location.type == BUS_PCI) {
ms->PciInfo = xf86GetPciInfoForEntity(ms->pEnt->index);
if (ms->PciInfo) {
BusID = malloc(64);
sprintf(BusID, "PCI:%d:%d:%d",
#if XSERVER_LIBPCIACCESS
((ms->PciInfo->domain << 8) | ms->PciInfo->bus),
ms->PciInfo->dev, ms->PciInfo->func
#else
((pciConfigPtr) ms->PciInfo->thisCard)->busnum,
((pciConfigPtr) ms->PciInfo->thisCard)->devnum,
((pciConfigPtr) ms->PciInfo->thisCard)->funcnum
#endif
);
}
ms->fd = drmOpen(NULL, BusID);
} else {
devicename = xf86FindOptionValue(ms->pEnt->device->options, "kmsdev");
ms->fd = open_hw(devicename);
}
if (ms->fd < 0)
return FALSE;
ms->drmmode.fd = ms->fd;
#ifdef MODESETTING_OUTPUT_SLAVE_SUPPORT
pScrn->capabilities = 0;
#ifdef DRM_CAP_PRIME
ret = drmGetCap(ms->fd, DRM_CAP_PRIME, &value);
if (ret == 0) {
if (value & DRM_PRIME_CAP_IMPORT)
pScrn->capabilities |= RR_Capability_SinkOutput;
}
#endif
#endif
drmmode_get_default_bpp(pScrn, &ms->drmmode, &defaultdepth, &defaultbpp);
if (defaultdepth == 24 && defaultbpp == 24)
bppflags = SupportConvert32to24 | Support24bppFb;
else
bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
if (!xf86SetDepthBpp
(pScrn, defaultdepth, defaultdepth, defaultbpp, bppflags))
return FALSE;
switch (pScrn->depth) {
case 15:
case 16:
case 24:
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Given depth (%d) is not supported by the driver\n",
pScrn->depth);
return FALSE;
}
xf86PrintDepthBpp(pScrn);
/* Process the options */
xf86CollectOptions(pScrn, NULL);
if (!(ms->Options = malloc(sizeof(Options))))
return FALSE;
memcpy(ms->Options, Options, sizeof(Options));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, ms->Options);
if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
return FALSE;
if (!xf86SetDefaultVisual(pScrn, -1))
return FALSE;
if (xf86ReturnOptValBool(ms->Options, OPTION_SW_CURSOR, FALSE)) {
ms->drmmode.sw_cursor = TRUE;
}
ret = drmGetCap(ms->fd, DRM_CAP_DUMB_PREFER_SHADOW, &value);
if (!ret) {
prefer_shadow = !!value;
}
ms->cursor_width = 64;
ms->cursor_height = 64;
ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_WIDTH, &value);
if (!ret) {
ms->cursor_width = value;
}
ret = drmGetCap(ms->fd, DRM_CAP_CURSOR_HEIGHT, &value);
if (!ret) {
ms->cursor_height = value;
}
ms->drmmode.shadow_enable = xf86ReturnOptValBool(ms->Options, OPTION_SHADOW_FB, prefer_shadow);
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "ShadowFB: preferred %s, enabled %s\n", prefer_shadow ? "YES" : "NO", ms->drmmode.shadow_enable ? "YES" : "NO");
if (drmmode_pre_init(pScrn, &ms->drmmode, pScrn->bitsPerPixel / 8) == FALSE) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "KMS setup failed\n");
goto fail;
}
/*
* If the driver can do gamma correction, it should call xf86SetGamma() here.
*/
{
Gamma zeros = { 0.0, 0.0, 0.0 };
if (!xf86SetGamma(pScrn, zeros)) {
return FALSE;
}
}
if (pScrn->modes == NULL) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
return FALSE;
}
pScrn->currentMode = pScrn->modes;
/* Set display resolution */
xf86SetDpi(pScrn, 0, 0);
/* Load the required sub modules */
if (!xf86LoadSubModule(pScrn, "fb")) {
return FALSE;
}
if (ms->drmmode.shadow_enable) {
if (!xf86LoadSubModule(pScrn, "shadow")) {
return FALSE;
}
}
return TRUE;
fail:
return FALSE;
}
int main(int argc, char *argv[])
{
uint64_t has_dumb;
int ret, fd, opt, i;
void *map;
struct drm_mode_destroy_dumb dreq;
struct drm_mode_create_dumb creq;
struct drm_mode_map_dumb mreq;
drmModePlaneRes *resources;
drmModePlane *plane = NULL;
uint32_t handle, stride, size;
uint32_t plane_id, crtc_id;
uint32_t width, height;
uint32_t posx, posy;
uint32_t fb;
/* parse command line */
while ((opt = getopt(argc, argv, "x:y:w:v:c:p:h")) != -1) {
switch (opt) {
case 'x':
posx = atoi(optarg);
break;
case 'y':
posy = atoi(optarg);
break;
case 'w':
width = atoi(optarg);
break;
case 'v':
height = atoi(optarg);
break;
case 'p':
plane_id = atoi(optarg);
break;
case 'c':
crtc_id = atoi(optarg);
break;
case 'h':
default:
printf("usage: -h] -c <connector> -e <encoder> -m <mode>\n");
printf("\t-h: this help message\n");
printf("\t-c <crtc> crtc id, default is 0\n");
printf("\t-p <plane> plane id, default is 0\n");
printf("\t-x <posx> plane top left corner xpos, default is 0'\n");
printf("\t-y <posy> plane top left corner ypos, default is 0'\n");
printf("\t-w <width> plane width, default is 0'\n");
printf("\t-v <height> plane height, default is 0'\n");
exit(0);
}
}
/* open drm device */
fd = open(device_name, O_RDWR | O_CLOEXEC);
if (fd < 0) {
perror("cannot open drm device");
exit(-1);
}
drmSetMaster(fd);
/* check dumb buffer support */
if (drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb) < 0) {
perror("DRM_CAP_DUMB_BUFFER ioctl");
ret = -EFAULT;
goto err_close;
}
if (!has_dumb) {
fprintf(stderr, "driver does not support dumb buffers\n");
ret = -EFAULT;
goto err_close;
}
/* get plane */
resources = drmModeGetPlaneResources(fd);
if (!resources || resources->count_planes == 0) {
fprintf(stderr, "drmModeGetPlaneResources failed\n");
ret = -ENODEV;
goto err_close;
}
for (i = 0; i < resources->count_planes; i++) {
drmModePlane *p = drmModeGetPlane(fd, resources->planes[i]);
if (!p)
continue;
if (p->plane_id == plane_id) {
plane = p;
break;
}
drmModeFreePlane(plane);
}
if (!plane) {
fprintf(stderr, "couldn't find specified plane\n");
ret = -ENODEV;
goto err_close;
}
/* create dumb buffer object */
memset(&creq, 0, sizeof(creq));
creq.height = height;
creq.width = width;
creq.bpp = 32;
ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &creq);
if (ret) {
fprintf(stderr, "failed drmIoctl(DRM_IOCTL_MODE_CREATE_DUMB)\n");
goto err_close;
}
handle = creq.handle;
stride = creq.pitch;
size = creq.size;
/* create framebuffer for dumb buffer object */
ret = drmModeAddFB(fd, width, height, 24, 32, stride, handle, &fb);
if (ret) {
fprintf(stderr, "cannot add drm framebuffer for dumb buffer object\n");
goto err_destroy_dumb;
}
/* map dumb buffer object */
memset(&mreq, 0, sizeof(mreq));
mreq.handle = handle;
ret = drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &mreq);
if (ret) {
fprintf(stderr, "failed drmIoctl(DRM_IOCTL_MODE_MAP_DUMB)\n");
goto err_destroy_fb;
}
map = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, mreq.offset);
if (map == MAP_FAILED) {
fprintf(stderr, "cannot mmap dumb buffer\n");
goto err_destroy_fb;
}
/* setup new plane */
ret = drmModeSetPlane(fd, plane_id, crtc_id, fb, 0, posx, posy,
width, height, 0, 0, width << 16, height << 16);
if (ret) {
fprintf(stderr, "cannot set plane\n");
goto err_unmap;
}
/* draw on the screen */
draw_test_image((uint32_t *) map, width, height);
getchar();
draw_fancy_image((uint32_t *) map, width, height);
getchar();
drmModeSetPlane(fd, plane_id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
err_unmap:
if (map)
munmap(map, size);
err_destroy_fb:
drmModeRmFB(fd, fb);
err_destroy_dumb:
memset(&dreq, 0, sizeof(dreq));
dreq.handle = handle;
ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq);
if (ret) {
fprintf(stderr, "cannot destroy dumb buffer\n");
}
err_close:
close(fd);
return ret;
}
static Bool
TegraPreInit(ScrnInfoPtr pScrn, int flags)
{
TegraPtr tegra;
rgb defaultWeight = { 0, 0, 0 };
EntityInfoPtr pEnt;
EntPtr tegraEnt = NULL;
Bool prefer_shadow = TRUE;
uint64_t value = 0;
int ret;
int bppflags;
int defaultdepth, defaultbpp;
Gamma zeros = { 0.0, 0.0, 0.0 };
const char *path;
if (pScrn->numEntities != 1)
return FALSE;
pEnt = xf86GetEntityInfo(pScrn->entityList[0]);
if (flags & PROBE_DETECT)
return FALSE;
/* Allocate driverPrivate */
if (!GetRec(pScrn))
return FALSE;
tegra = TegraPTR(pScrn);
tegra->pEnt = pEnt;
pScrn->displayWidth = 640; /* default it */
/* Allocate an entity private if necessary */
if (xf86IsEntityShared(pScrn->entityList[0])) {
tegraEnt = xf86GetEntityPrivate(pScrn->entityList[0],
tegraEntityIndex)->ptr;
tegra->entityPrivate = tegraEnt;
} else
tegra->entityPrivate = NULL;
if (xf86IsEntityShared(pScrn->entityList[0])) {
if (xf86IsPrimInitDone(pScrn->entityList[0])) {
/* do something */
} else {
xf86SetPrimInitDone(pScrn->entityList[0]);
}
}
pScrn->monitor = pScrn->confScreen->monitor;
pScrn->progClock = TRUE;
pScrn->rgbBits = 8;
switch (pEnt->location.type) {
#ifdef XSERVER_PLATFORM_BUS
case BUS_PLATFORM:
path = xf86_get_platform_device_attrib(pEnt->location.id.plat,
ODEV_ATTRIB_PATH);
break;
#endif
default:
path = xf86GetOptValString(tegra->pEnt->device->options,
OPTION_DEVICE_PATH);
break;
}
tegra->fd = TegraOpenHardware(path);
if (tegra->fd < 0)
return FALSE;
tegra->drmmode.fd = tegra->fd;
#ifdef TEGRA_OUTPUT_SLAVE_SUPPORT
pScrn->capabilities = 0;
#ifdef DRM_CAP_PRIME
ret = drmGetCap(tegra->fd, DRM_CAP_PRIME, &value);
if (ret == 0) {
if (value & DRM_PRIME_CAP_IMPORT)
pScrn->capabilities |= RR_Capability_SinkOutput;
}
#endif
#endif
drmmode_get_default_bpp(pScrn, &tegra->drmmode, &defaultdepth, &defaultbpp);
if (defaultdepth == 24 && defaultbpp == 24)
bppflags = Support24bppFb;
else
bppflags = PreferConvert24to32 | SupportConvert24to32 | Support32bppFb;
if (!xf86SetDepthBpp(pScrn, defaultdepth, defaultdepth, defaultbpp,
bppflags))
return FALSE;
switch (pScrn->depth) {
case 15:
case 16:
case 24:
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Given depth (%d) is not supported by the driver\n",
pScrn->depth);
return FALSE;
}
xf86PrintDepthBpp(pScrn);
/* Process the options */
xf86CollectOptions(pScrn, NULL);
tegra->Options = malloc(sizeof(Options));
if (!tegra->Options)
return FALSE;
memcpy(tegra->Options, Options, sizeof(Options));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, tegra->Options);
if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight))
return FALSE;
if (!xf86SetDefaultVisual(pScrn, -1))
return FALSE;
if (xf86ReturnOptValBool(tegra->Options, OPTION_SW_CURSOR, FALSE))
tegra->drmmode.want_sw_cursor = TRUE;
ret = drmGetCap(tegra->fd, DRM_CAP_DUMB_PREFER_SHADOW, &value);
if (!ret)
prefer_shadow = !!value;
tegra->drmmode.shadow_enable = xf86ReturnOptValBool(tegra->Options,
OPTION_SHADOW_FB,
prefer_shadow);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"ShadowFB: preferred %s, enabled %s\n",
prefer_shadow ? "YES" : "NO",
tegra->drmmode.shadow_enable ? "YES" : "NO");
if (!drmmode_pre_init(pScrn, &tegra->drmmode, pScrn->bitsPerPixel / 8)) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "KMS setup failed\n");
return FALSE;
}
if (tegra->drmmode.need_sw_cursor)
tegra->drmmode.want_sw_cursor = TRUE;
/*
* If the driver can do gamma correction, it should call xf86SetGamma() here.
*/
if (!xf86SetGamma(pScrn, zeros))
return FALSE;
if (pScrn->modes == NULL) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No modes.\n");
return FALSE;
}
pScrn->currentMode = pScrn->modes;
/* Set display resolution */
xf86SetDpi(pScrn, 0, 0);
/* Load the required sub modules */
if (!xf86LoadSubModule(pScrn, "fb"))
return FALSE;
if (tegra->drmmode.shadow_enable) {
if (!xf86LoadSubModule(pScrn, "shadow"))
return FALSE;
}
return TRUE;
}
static void plane_cursor(struct kms_atomic_crtc_state *crtc,
struct kms_atomic_plane_state *plane_old)
{
struct drm_mode_modeinfo *mode = crtc->mode.data;
struct kms_atomic_plane_state plane = *plane_old;
drmModeAtomicReq *req = drmModeAtomicAlloc();
struct igt_fb fb;
uint64_t width, height;
igt_assert(req);
/* Any kernel new enough for atomic, also has the cursor size caps. */
do_or_die(drmGetCap(plane.state->desc->fd,
DRM_CAP_CURSOR_WIDTH, &width));
do_or_die(drmGetCap(plane.state->desc->fd,
DRM_CAP_CURSOR_HEIGHT, &height));
plane.src_x = 0;
plane.src_y = 0;
plane.src_w = width << 16;
plane.src_h = height << 16;
plane.crtc_x = mode->hdisplay / 2;
plane.crtc_y = mode->vdisplay / 2;
plane.crtc_w = width;
plane.crtc_h = height;
plane.crtc_id = crtc->obj;
plane.fb_id = igt_create_color_fb(plane.state->desc->fd,
width, height,
DRM_FORMAT_ARGB8888,
LOCAL_DRM_FORMAT_MOD_NONE,
0.0, 0.0, 0.0,
&fb);
igt_assert_neq_u32(plane.fb_id, 0);
/* Flip the cursor plane using the atomic API, and double-check
* state is what we think it should be. */
plane_commit_atomic(&plane, req, ATOMIC_RELAX_NONE);
/* Restore the cursor plane and check the state matches the old. */
plane_commit_atomic(plane_old, req, ATOMIC_RELAX_NONE);
/* Re-enable the plane through the legacy cursor API, and verify
* through atomic. */
do_or_die(drmModeMoveCursor(plane.state->desc->fd, plane.crtc_id,
plane.crtc_x, plane.crtc_y));
do_or_die(drmModeSetCursor(plane.state->desc->fd, plane.crtc_id,
fb.gem_handle, width, height));
plane_check_current_state(&plane, PLANE_RELAX_FB);
/* Wiggle. */
plane.crtc_x -= 16;
plane.crtc_y -= 16;
do_or_die(drmModeMoveCursor(plane.state->desc->fd, plane.crtc_id,
plane.crtc_x, plane.crtc_y));
plane_check_current_state(&plane, PLANE_RELAX_FB);
/* Restore the plane to its original settings through the legacy cursor
* API, and verify through atomic. */
do_or_die(drmModeSetCursor2(plane.state->desc->fd, plane.crtc_id,
0, 0, 0, 0, 0));
plane_check_current_state(plane_old, ATOMIC_RELAX_NONE);
/* Finally, restore to the original state. */
plane_commit_atomic(plane_old, req, ATOMIC_RELAX_NONE);
drmModeAtomicFree(req);
}
int main(int argc, char **argv)
{
int fd = drmOpen("radeon", NULL);
assert(fd >= 0);
// expose all planes including primary and cursor planes
assert(!drmSetClientCap(fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1));
drmModeResPtr res = drmModeGetResources(fd);
assert(res);
int i, j;
drmModeConnectorPtr connector = NULL;
for (i = 0; i < res->count_connectors; i++) {
connector = drmModeGetConnector(fd, res->connectors[i]);
assert(connector);
if (connector->connection == DRM_MODE_CONNECTED)
break;
drmFree(connector);
}
drmModeEncoderPtr encoder = drmModeGetEncoder(fd, connector->encoder_id);
assert(encoder);
drmModeCrtcPtr crtc = drmModeGetCrtc(fd, encoder->crtc_id);
assert(crtc);
drmModeFBPtr fb = drmModeGetFB(fd, crtc->buffer_id);
assert(fb);
drmModePlaneResPtr plane_res = drmModeGetPlaneResources(fd);
assert(plane_res);
drmModePlanePtr plane = NULL;
for (i = 0; i < plane_res->count_planes; i++) {
plane = drmModeGetPlane(fd, plane_res->planes[i]);
assert(plane);
if (plane->fb_id == fb->fb_id)
break;
drmFree(plane);
}
uint64_t has_dumb;
assert(!drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb));
assert(has_dumb);
struct drm_mode_create_dumb creq;
memset(&creq, 0, sizeof(creq));
creq.width = fb->width;
creq.height = fb->height;
creq.bpp = fb->bpp;
assert(!drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &creq));
printf("width=%d height=%d bpp=%d pitch=%d size=%d\n",
creq.width, creq.height, creq.bpp, creq.pitch, creq.size);
uint32_t my_fb;
assert(!drmModeAddFB(fd, creq.width, creq.height, 24, creq.bpp, creq.pitch, creq.handle, &my_fb));
struct drm_mode_map_dumb mreq;
memset(&mreq, 0, sizeof(mreq));
mreq.handle = creq.handle;
assert(!drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &mreq));
uint32_t *map = mmap(0, creq.size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, mreq.offset);
assert(map != MAP_FAILED);
memset(map, 0, creq.size);
for (i = 100; i < 500; i++)
for (j = 200; j < 460; j++)
map[i * (creq.pitch >> 2) + j] = 0x12345678;
assert(!drmModeSetCrtc(fd, crtc->crtc_id, my_fb, 0, 0, &connector->connector_id, 1, &crtc->mode));
sleep(10);
assert(!drmModeSetCrtc(fd, crtc->crtc_id, fb->fb_id, 0, 0, &connector->connector_id, 1, &crtc->mode));
assert(!drmModeRmFB(fd, my_fb));
struct drm_mode_destroy_dumb dreq;
memset(&dreq, 0, sizeof(dreq));
dreq.handle = creq.handle;
assert(!drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &dreq));
drmFree(plane);
drmFree(plane_res);
drmFree(fb);
drmFree(crtc);
drmFree(encoder);
drmFree(connector);
drmFree(res);
drmClose(fd);
return 0;
}
