#include <sys/ioctl.h>
#include <stdio.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include "xf86drmMode.h"
#include "xf86drm.h"
#include <drm.h>
#include <unistd.h>
#include <errno.h>
+#ifdef HAVE_VALGRIND
+#include <valgrind.h>
+#include <memcheck.h>
+#define VG(x) x
+#else
+#define VG(x)
+#endif
+
+#define memclear(s) memset(&s, 0, sizeof(s))
+
#define U642VOID(x) ((void *)(unsigned long)(x))
#define VOID2U64(x) ((uint64_t)(unsigned long)(x))
* Util functions
*/
-void* drmAllocCpy(void *array, int count, int entry_size)
+static void* drmAllocCpy(char *array, int count, int entry_size)
{
char *r;
int i;
drmModeResPtr r = 0;
retry:
- memset(&res, 0, sizeof(struct drm_mode_card_res));
+ memclear(res);
if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res))
return 0;
struct drm_mode_fb_cmd f;
int ret;
+ memclear(f);
f.width = width;
f.height = height;
f.pitch = pitch;
struct drm_mode_fb_cmd2 f;
int ret;
+ memclear(f);
f.width = width;
f.height = height;
f.pixel_format = pixel_format;
int drmModeRmFB(int fd, uint32_t bufferId)
{
return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);
-
-
}
drmModeFBPtr drmModeGetFB(int fd, uint32_t buf)
struct drm_mode_fb_cmd info;
drmModeFBPtr r;
+ memclear(info);
info.fb_id = buf;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETFB, &info))
int drmModeDirtyFB(int fd, uint32_t bufferId,
drmModeClipPtr clips, uint32_t num_clips)
{
- struct drm_mode_fb_dirty_cmd dirty = { 0 };
+ struct drm_mode_fb_dirty_cmd dirty;
+ memclear(dirty);
dirty.fb_id = bufferId;
dirty.clips_ptr = VOID2U64(clips);
dirty.num_clips = num_clips;
struct drm_mode_crtc crtc;
drmModeCrtcPtr r;
+ memclear(crtc);
crtc.crtc_id = crtcId;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETCRTC, &crtc))
{
struct drm_mode_crtc crtc;
+ memclear(crtc);
crtc.x = x;
crtc.y = y;
crtc.crtc_id = crtcId;
if (mode) {
memcpy(&crtc.mode, mode, sizeof(struct drm_mode_modeinfo));
crtc.mode_valid = 1;
- } else
- crtc.mode_valid = 0;
+ }
return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETCRTC, &crtc);
}
{
struct drm_mode_cursor arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_BO;
arg.crtc_id = crtcId;
arg.width = width;
{
struct drm_mode_cursor2 arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_BO;
arg.crtc_id = crtcId;
arg.width = width;
{
struct drm_mode_cursor arg;
+ memclear(arg);
arg.flags = DRM_MODE_CURSOR_MOVE;
arg.crtc_id = crtcId;
arg.x = x;
struct drm_mode_get_encoder enc;
drmModeEncoderPtr r = NULL;
+ memclear(enc);
enc.encoder_id = encoder_id;
- enc.encoder_type = 0;
- enc.possible_crtcs = 0;
- enc.possible_clones = 0;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc))
return 0;
/*
* Connector manipulation
*/
-
-drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+static drmModeConnectorPtr
+_drmModeGetConnector(int fd, uint32_t connector_id, int probe)
{
struct drm_mode_get_connector conn, counts;
drmModeConnectorPtr r = NULL;
-retry:
- memset(&conn, 0, sizeof(struct drm_mode_get_connector));
+ memclear(conn);
conn.connector_id = connector_id;
+ if (!probe) {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(drmMalloc(sizeof(struct drm_mode_modeinfo)));
+ }
if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
return 0;
+retry:
counts = conn;
if (conn.count_props) {
conn.modes_ptr = VOID2U64(drmMalloc(conn.count_modes*sizeof(struct drm_mode_modeinfo)));
if (!conn.modes_ptr)
goto err_allocs;
+ } else {
+ conn.count_modes = 1;
+ conn.modes_ptr = VOID2U64(drmMalloc(sizeof(struct drm_mode_modeinfo)));
}
if (conn.count_encoders) {
return r;
}
+drmModeConnectorPtr drmModeGetConnector(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 1);
+}
+
+drmModeConnectorPtr drmModeGetConnectorCurrent(int fd, uint32_t connector_id)
+{
+ return _drmModeGetConnector(fd, connector_id, 0);
+}
+
int drmModeAttachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_info)
{
struct drm_mode_mode_cmd res;
+ memclear(res);
memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo));
res.connector_id = connector_id;
{
struct drm_mode_mode_cmd res;
+ memclear(res);
memcpy(&res.mode, mode_info, sizeof(struct drm_mode_modeinfo));
res.connector_id = connector_id;
struct drm_mode_get_property prop;
drmModePropertyPtr r;
+ memclear(prop);
prop.prop_id = property_id;
- prop.count_enum_blobs = 0;
- prop.count_values = 0;
- prop.flags = 0;
- prop.enum_blob_ptr = 0;
- prop.values_ptr = 0;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPERTY, &prop))
return 0;
struct drm_mode_get_blob blob;
drmModePropertyBlobPtr r;
- blob.length = 0;
- blob.data = 0;
+ memclear(blob);
blob.blob_id = blob_id;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPROPBLOB, &blob))
{
struct drm_mode_connector_set_property osp;
+ memclear(osp);
osp.connector_id = connector_id;
osp.prop_id = property_id;
osp.value = value;
*/
int drmCheckModesettingSupported(const char *busid)
{
-#ifdef __linux__
+#if defined (__linux__)
char pci_dev_dir[1024];
int domain, bus, dev, func;
DIR *sysdir;
closedir(sysdir);
if (found)
return 0;
+#elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
+ char kbusid[1024], sbusid[1024];
+ char oid[128];
+ int domain, bus, dev, func;
+ int i, modesetting, ret;
+ size_t len;
+
+ ret = sscanf(busid, "pci:%04x:%02x:%02x.%d", &domain, &bus, &dev,
+ &func);
+ if (ret != 4)
+ return -EINVAL;
+ snprintf(kbusid, sizeof(kbusid), "pci:%04x:%02x:%02x.%d", domain, bus,
+ dev, func);
+
+ /* How many GPUs do we expect in the machine ? */
+ for (i = 0; i < 16; i++) {
+ snprintf(oid, sizeof(oid), "hw.dri.%d.busid", i);
+ len = sizeof(sbusid);
+ ret = sysctlbyname(oid, sbusid, &len, NULL, 0);
+ if (ret == -1) {
+ if (errno == ENOENT)
+ continue;
+ return -EINVAL;
+ }
+ if (strcmp(sbusid, kbusid) != 0)
+ continue;
+ snprintf(oid, sizeof(oid), "hw.dri.%d.modesetting", i);
+ len = sizeof(modesetting);
+ ret = sysctlbyname(oid, &modesetting, &len, NULL, 0);
+ if (ret == -1 || len != sizeof(modesetting))
+ return -EINVAL;
+ return (modesetting ? 0 : -ENOSYS);
+ }
+#elif defined(__DragonFly__)
+ return 0;
#endif
return -ENOSYS;
{
struct drm_mode_crtc_lut l;
+ memclear(l);
l.crtc_id = crtc_id;
l.gamma_size = size;
l.red = VOID2U64(red);
{
struct drm_mode_crtc_lut l;
+ memclear(l);
l.crtc_id = crtc_id;
l.gamma_size = size;
l.red = VOID2U64(red);
len = read(fd, buffer, sizeof buffer);
if (len == 0)
return 0;
- if (len < sizeof *e)
+ if (len < (int)sizeof *e)
return -1;
i = 0;
{
struct drm_mode_crtc_page_flip flip;
+ memclear(flip);
flip.fb_id = fb_id;
flip.crtc_id = crtc_id;
flip.user_data = VOID2U64(user_data);
flip.flags = flags;
- flip.reserved = 0;
return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip);
}
int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
uint32_t fb_id, uint32_t flags,
- uint32_t crtc_x, uint32_t crtc_y,
+ int32_t crtc_x, int32_t crtc_y,
uint32_t crtc_w, uint32_t crtc_h,
uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
struct drm_mode_set_plane s;
+ memclear(s);
s.plane_id = plane_id;
s.crtc_id = crtc_id;
s.fb_id = fb_id;
drmModePlanePtr r = 0;
retry:
- memset(&ovr, 0, sizeof(struct drm_mode_get_plane));
+ memclear(ovr);
ovr.plane_id = plane_id;
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANE, &ovr))
return 0;
drmModePlaneResPtr r = 0;
retry:
- memset(&res, 0, sizeof(struct drm_mode_get_plane_res));
+ memclear(res);
if (drmIoctl(fd, DRM_IOCTL_MODE_GETPLANERESOURCES, &res))
return 0;
uint32_t count;
retry:
- memset(&properties, 0, sizeof(struct drm_mode_obj_get_properties));
+ memclear(properties);
properties.obj_id = object_id;
properties.obj_type = object_type;
{
struct drm_mode_obj_set_property prop;
+ memclear(prop);
prop.value = value;
prop.prop_id = property_id;
prop.obj_id = object_id;
OSDN Git Service
