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amdgpu: fix missing mutex unlock before return
[android-x86/external-libdrm.git] / xf86drmMode.c
index 9ea8fe7..d3bc20e 100644 (file)
  */
 
 /*
- * TODO the types we are after are defined in diffrent headers on diffrent
+ * TODO the types we are after are defined in different headers on different
  * platforms find which headers to include to get uint32_t
  */
-#include <stdint.h>
-#include <sys/ioctl.h>
-#include <stdio.h>
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#ifdef HAVE_SYS_SYSCTL_H
+#include <sys/sysctl.h>
+#endif
+#include <stdio.h>
+#include <stdbool.h>
+
 #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))
@@ -76,7 +75,7 @@ static inline int DRM_IOCTL(int fd, unsigned long cmd, void *arg)
  * 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;
@@ -115,7 +114,6 @@ void drmModeFreeResources(drmModeResPtr ptr)
        drmFree(ptr->connectors);
        drmFree(ptr->encoders);
        drmFree(ptr);
-
 }
 
 void drmModeFreeFB(drmModeFBPtr ptr)
@@ -133,7 +131,6 @@ void drmModeFreeCrtc(drmModeCrtcPtr ptr)
                return;
 
        drmFree(ptr);
-
 }
 
 void drmModeFreeConnector(drmModeConnectorPtr ptr)
@@ -146,7 +143,6 @@ void drmModeFreeConnector(drmModeConnectorPtr ptr)
        drmFree(ptr->props);
        drmFree(ptr->modes);
        drmFree(ptr);
-
 }
 
 void drmModeFreeEncoder(drmModeEncoderPtr ptr)
@@ -253,7 +249,7 @@ err_allocs:
 }
 
 int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
-                 uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
+                uint8_t bpp, uint32_t pitch, uint32_t bo_handle,
                 uint32_t *buf_id)
 {
        struct drm_mode_fb_cmd f;
@@ -274,10 +270,10 @@ int drmModeAddFB(int fd, uint32_t width, uint32_t height, uint8_t depth,
        return 0;
 }
 
-int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
-                 uint32_t pixel_format, uint32_t bo_handles[4],
-                 uint32_t pitches[4], uint32_t offsets[4],
-                 uint32_t *buf_id, uint32_t flags)
+int drmModeAddFB2WithModifiers(int fd, uint32_t width, uint32_t height,
+                               uint32_t pixel_format, uint32_t bo_handles[4],
+                               uint32_t pitches[4], uint32_t offsets[4],
+                               uint64_t modifier[4], uint32_t *buf_id, uint32_t flags)
 {
        struct drm_mode_fb_cmd2 f;
        int ret;
@@ -290,6 +286,8 @@ int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
        memcpy(f.handles, bo_handles, 4 * sizeof(bo_handles[0]));
        memcpy(f.pitches, pitches, 4 * sizeof(pitches[0]));
        memcpy(f.offsets, offsets, 4 * sizeof(offsets[0]));
+       if (modifier)
+               memcpy(f.modifier, modifier, 4 * sizeof(modifier[0]));
 
        if ((ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ADDFB2, &f)))
                return ret;
@@ -298,6 +296,17 @@ int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
        return 0;
 }
 
+int drmModeAddFB2(int fd, uint32_t width, uint32_t height,
+                  uint32_t pixel_format, uint32_t bo_handles[4],
+                  uint32_t pitches[4], uint32_t offsets[4],
+                  uint32_t *buf_id, uint32_t flags)
+{
+       return drmModeAddFB2WithModifiers(fd, width, height,
+                                         pixel_format, bo_handles,
+                                         pitches, offsets, NULL,
+                                         buf_id, flags);
+}
+
 int drmModeRmFB(int fd, uint32_t bufferId)
 {
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_RMFB, &bufferId);
@@ -341,7 +350,6 @@ int drmModeDirtyFB(int fd, uint32_t bufferId,
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_DIRTYFB, &dirty);
 }
 
-
 /*
  * Crtc functions
  */
@@ -378,9 +386,8 @@ drmModeCrtcPtr drmModeGetCrtc(int fd, uint32_t crtcId)
        return r;
 }
 
-
 int drmModeSetCrtc(int fd, uint32_t crtcId, uint32_t bufferId,
-                   uint32_t x, uint32_t y, uint32_t *connectors, int count,
+                  uint32_t x, uint32_t y, uint32_t *connectors, int count,
                   drmModeModeInfoPtr mode)
 {
        struct drm_mode_crtc crtc;
@@ -476,19 +483,24 @@ drmModeEncoderPtr drmModeGetEncoder(int fd, uint32_t encoder_id)
 /*
  * 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;
+       struct drm_mode_modeinfo stack_mode;
 
-retry:
        memclear(conn);
        conn.connector_id = connector_id;
+       if (!probe) {
+               conn.count_modes = 1;
+               conn.modes_ptr = VOID2U64(&stack_mode);
+       }
 
        if (drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn))
                return 0;
 
+retry:
        counts = conn;
 
        if (conn.count_props) {
@@ -504,6 +516,9 @@ retry:
                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(&stack_mode);
        }
 
        if (conn.count_encoders) {
@@ -524,7 +539,8 @@ retry:
            counts.count_encoders < conn.count_encoders) {
                drmFree(U642VOID(conn.props_ptr));
                drmFree(U642VOID(conn.prop_values_ptr));
-               drmFree(U642VOID(conn.modes_ptr));
+               if (U642VOID(conn.modes_ptr) != &stack_mode)
+                       drmFree(U642VOID(conn.modes_ptr));
                drmFree(U642VOID(conn.encoders_ptr));
 
                goto retry;
@@ -566,12 +582,23 @@ retry:
 err_allocs:
        drmFree(U642VOID(conn.prop_values_ptr));
        drmFree(U642VOID(conn.props_ptr));
-       drmFree(U642VOID(conn.modes_ptr));
+       if (U642VOID(conn.modes_ptr) != &stack_mode)
+               drmFree(U642VOID(conn.modes_ptr));
        drmFree(U642VOID(conn.encoders_ptr));
 
        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;
@@ -594,7 +621,6 @@ int drmModeDetachMode(int fd, uint32_t connector_id, drmModeModeInfoPtr mode_inf
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_DETACHMODE, &res);
 }
 
-
 drmModePropertyPtr drmModeGetProperty(int fd, uint32_t property_id)
 {
        struct drm_mode_get_property prop;
@@ -806,8 +832,25 @@ int drmCheckModesettingSupported(const char *busid)
 #elif defined(__DragonFly__)
        return 0;
 #endif
-       return -ENOSYS;
+#ifdef __OpenBSD__
+       int     fd;
+       struct drm_mode_card_res res;
+       drmModeResPtr r = 0;
+
+       if ((fd = drmOpen(NULL, busid)) < 0)
+               return -EINVAL;
+
+       memset(&res, 0, sizeof(struct drm_mode_card_res));
+
+       if (drmIoctl(fd, DRM_IOCTL_MODE_GETRESOURCES, &res)) {
+               drmClose(fd);
+               return -errno;
+       }
 
+       drmClose(fd);
+       return 0;
+#endif
+       return -ENOSYS;
 }
 
 int drmModeCrtcGetGamma(int fd, uint32_t crtc_id, uint32_t size,
@@ -846,7 +889,8 @@ int drmHandleEvent(int fd, drmEventContextPtr evctx)
        int len, i;
        struct drm_event *e;
        struct drm_event_vblank *vblank;
-       
+       void *user_data;
+
        /* The DRM read semantics guarantees that we always get only
         * complete events. */
 
@@ -858,7 +902,7 @@ int drmHandleEvent(int fd, drmEventContextPtr evctx)
 
        i = 0;
        while (i < len) {
-               e = (struct drm_event *) &buffer[i];
+               e = (struct drm_event *)(buffer + i);
                switch (e->type) {
                case DRM_EVENT_VBLANK:
                        if (evctx->version < 1 ||
@@ -866,21 +910,28 @@ int drmHandleEvent(int fd, drmEventContextPtr evctx)
                                break;
                        vblank = (struct drm_event_vblank *) e;
                        evctx->vblank_handler(fd,
-                                             vblank->sequence, 
+                                             vblank->sequence,
                                              vblank->tv_sec,
                                              vblank->tv_usec,
                                              U642VOID (vblank->user_data));
                        break;
                case DRM_EVENT_FLIP_COMPLETE:
-                       if (evctx->version < 2 ||
-                           evctx->page_flip_handler == NULL)
-                               break;
                        vblank = (struct drm_event_vblank *) e;
-                       evctx->page_flip_handler(fd,
-                                                vblank->sequence,
-                                                vblank->tv_sec,
-                                                vblank->tv_usec,
-                                                U642VOID (vblank->user_data));
+                       user_data = U642VOID (vblank->user_data);
+
+                       if (evctx->version >= 3 && evctx->page_flip_handler2)
+                               evctx->page_flip_handler2(fd,
+                                                        vblank->sequence,
+                                                        vblank->tv_sec,
+                                                        vblank->tv_usec,
+                                                        vblank->crtc_id,
+                                                        user_data);
+                       else if (evctx->version >= 2 && evctx->page_flip_handler)
+                               evctx->page_flip_handler(fd,
+                                                        vblank->sequence,
+                                                        vblank->tv_sec,
+                                                        vblank->tv_usec,
+                                                        user_data);
                        break;
                default:
                        break;
@@ -905,13 +956,28 @@ int drmModePageFlip(int fd, uint32_t crtc_id, uint32_t fb_id,
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip);
 }
 
+int drmModePageFlipTarget(int fd, uint32_t crtc_id, uint32_t fb_id,
+                         uint32_t flags, void *user_data,
+                         uint32_t target_vblank)
+{
+       struct drm_mode_crtc_page_flip_target flip_target;
+
+       memclear(flip_target);
+       flip_target.fb_id = fb_id;
+       flip_target.crtc_id = crtc_id;
+       flip_target.user_data = VOID2U64(user_data);
+       flip_target.flags = flags;
+       flip_target.sequence = target_vblank;
+
+       return DRM_IOCTL(fd, DRM_IOCTL_MODE_PAGE_FLIP, &flip_target);
+}
+
 int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
                    uint32_t fb_id, uint32_t flags,
                    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;
 
@@ -932,7 +998,6 @@ int drmModeSetPlane(int fd, uint32_t plane_id, uint32_t crtc_id,
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_SETPLANE, &s);
 }
 
-
 drmModePlanePtr drmModeGetPlane(int fd, uint32_t plane_id)
 {
        struct drm_mode_get_plane ovr, counts;
@@ -1130,3 +1195,293 @@ int drmModeObjectSetProperty(int fd, uint32_t object_id, uint32_t object_type,
 
        return DRM_IOCTL(fd, DRM_IOCTL_MODE_OBJ_SETPROPERTY, &prop);
 }
+
+typedef struct _drmModeAtomicReqItem drmModeAtomicReqItem, *drmModeAtomicReqItemPtr;
+
+struct _drmModeAtomicReqItem {
+       uint32_t object_id;
+       uint32_t property_id;
+       uint64_t value;
+};
+
+struct _drmModeAtomicReq {
+       uint32_t cursor;
+       uint32_t size_items;
+       drmModeAtomicReqItemPtr items;
+};
+
+drmModeAtomicReqPtr drmModeAtomicAlloc(void)
+{
+       drmModeAtomicReqPtr req;
+
+       req = drmMalloc(sizeof *req);
+       if (!req)
+               return NULL;
+
+       req->items = NULL;
+       req->cursor = 0;
+       req->size_items = 0;
+
+       return req;
+}
+
+drmModeAtomicReqPtr drmModeAtomicDuplicate(drmModeAtomicReqPtr old)
+{
+       drmModeAtomicReqPtr new;
+
+       if (!old)
+               return NULL;
+
+       new = drmMalloc(sizeof *new);
+       if (!new)
+               return NULL;
+
+       new->cursor = old->cursor;
+       new->size_items = old->size_items;
+
+       if (old->size_items) {
+               new->items = drmMalloc(old->size_items * sizeof(*new->items));
+               if (!new->items) {
+                       free(new);
+                       return NULL;
+               }
+               memcpy(new->items, old->items,
+                      old->size_items * sizeof(*new->items));
+       } else {
+               new->items = NULL;
+       }
+
+       return new;
+}
+
+int drmModeAtomicMerge(drmModeAtomicReqPtr base, drmModeAtomicReqPtr augment)
+{
+       if (!base)
+               return -EINVAL;
+
+       if (!augment || augment->cursor == 0)
+               return 0;
+
+       if (base->cursor + augment->cursor >= base->size_items) {
+               drmModeAtomicReqItemPtr new;
+               int saved_size = base->size_items;
+
+               base->size_items = base->cursor + augment->cursor;
+               new = realloc(base->items,
+                             base->size_items * sizeof(*base->items));
+               if (!new) {
+                       base->size_items = saved_size;
+                       return -ENOMEM;
+               }
+               base->items = new;
+       }
+
+       memcpy(&base->items[base->cursor], augment->items,
+              augment->cursor * sizeof(*augment->items));
+       base->cursor += augment->cursor;
+
+       return 0;
+}
+
+int drmModeAtomicGetCursor(drmModeAtomicReqPtr req)
+{
+       if (!req)
+               return -EINVAL;
+       return req->cursor;
+}
+
+void drmModeAtomicSetCursor(drmModeAtomicReqPtr req, int cursor)
+{
+       if (req)
+               req->cursor = cursor;
+}
+
+int drmModeAtomicAddProperty(drmModeAtomicReqPtr req,
+                            uint32_t object_id,
+                            uint32_t property_id,
+                            uint64_t value)
+{
+       if (!req)
+               return -EINVAL;
+
+       if (req->cursor >= req->size_items) {
+               drmModeAtomicReqItemPtr new;
+
+               req->size_items += 16;
+               new = realloc(req->items, req->size_items * sizeof(*req->items));
+               if (!new) {
+                       req->size_items -= 16;
+                       return -ENOMEM;
+               }
+               req->items = new;
+       }
+
+       req->items[req->cursor].object_id = object_id;
+       req->items[req->cursor].property_id = property_id;
+       req->items[req->cursor].value = value;
+       req->cursor++;
+
+       return req->cursor;
+}
+
+void drmModeAtomicFree(drmModeAtomicReqPtr req)
+{
+       if (!req)
+               return;
+
+       if (req->items)
+               drmFree(req->items);
+       drmFree(req);
+}
+
+static int sort_req_list(const void *misc, const void *other)
+{
+       const drmModeAtomicReqItem *first = misc;
+       const drmModeAtomicReqItem *second = other;
+
+       if (first->object_id < second->object_id)
+               return -1;
+       else if (first->object_id > second->object_id)
+               return 1;
+       else
+               return second->property_id - first->property_id;
+}
+
+int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req, uint32_t flags,
+                       void *user_data)
+{
+       drmModeAtomicReqPtr sorted;
+       struct drm_mode_atomic atomic;
+       uint32_t *objs_ptr = NULL;
+       uint32_t *count_props_ptr = NULL;
+       uint32_t *props_ptr = NULL;
+       uint64_t *prop_values_ptr = NULL;
+       uint32_t last_obj_id = 0;
+       uint32_t i;
+       int obj_idx = -1;
+       int ret = -1;
+
+       if (!req)
+               return -EINVAL;
+
+       if (req->cursor == 0)
+               return 0;
+
+       sorted = drmModeAtomicDuplicate(req);
+       if (sorted == NULL)
+               return -ENOMEM;
+
+       memclear(atomic);
+
+       /* Sort the list by object ID, then by property ID. */
+       qsort(sorted->items, sorted->cursor, sizeof(*sorted->items),
+             sort_req_list);
+
+       /* Now the list is sorted, eliminate duplicate property sets. */
+       for (i = 0; i < sorted->cursor; i++) {
+               if (sorted->items[i].object_id != last_obj_id) {
+                       atomic.count_objs++;
+                       last_obj_id = sorted->items[i].object_id;
+               }
+
+               if (i == sorted->cursor - 1)
+                       continue;
+
+               if (sorted->items[i].object_id != sorted->items[i + 1].object_id ||
+                   sorted->items[i].property_id != sorted->items[i + 1].property_id)
+                       continue;
+
+               memmove(&sorted->items[i], &sorted->items[i + 1],
+                       (sorted->cursor - i - 1) * sizeof(*sorted->items));
+               sorted->cursor--;
+       }
+
+       objs_ptr = drmMalloc(atomic.count_objs * sizeof objs_ptr[0]);
+       if (!objs_ptr) {
+               errno = ENOMEM;
+               goto out;
+       }
+
+       count_props_ptr = drmMalloc(atomic.count_objs * sizeof count_props_ptr[0]);
+       if (!count_props_ptr) {
+               errno = ENOMEM;
+               goto out;
+       }
+
+       props_ptr = drmMalloc(sorted->cursor * sizeof props_ptr[0]);
+       if (!props_ptr) {
+               errno = ENOMEM;
+               goto out;
+       }
+
+       prop_values_ptr = drmMalloc(sorted->cursor * sizeof prop_values_ptr[0]);
+       if (!prop_values_ptr) {
+               errno = ENOMEM;
+               goto out;
+       }
+
+       for (i = 0, last_obj_id = 0; i < sorted->cursor; i++) {
+               if (sorted->items[i].object_id != last_obj_id) {
+                       obj_idx++;
+                       objs_ptr[obj_idx] = sorted->items[i].object_id;
+                       last_obj_id = objs_ptr[obj_idx];
+               }
+
+               count_props_ptr[obj_idx]++;
+               props_ptr[i] = sorted->items[i].property_id;
+               prop_values_ptr[i] = sorted->items[i].value;
+
+       }
+
+       atomic.flags = flags;
+       atomic.objs_ptr = VOID2U64(objs_ptr);
+       atomic.count_props_ptr = VOID2U64(count_props_ptr);
+       atomic.props_ptr = VOID2U64(props_ptr);
+       atomic.prop_values_ptr = VOID2U64(prop_values_ptr);
+       atomic.user_data = VOID2U64(user_data);
+
+       ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic);
+
+out:
+       drmFree(objs_ptr);
+       drmFree(count_props_ptr);
+       drmFree(props_ptr);
+       drmFree(prop_values_ptr);
+       drmModeAtomicFree(sorted);
+
+       return ret;
+}
+
+int
+drmModeCreatePropertyBlob(int fd, const void *data, size_t length, uint32_t *id)
+{
+       struct drm_mode_create_blob create;
+       int ret;
+
+       if (length >= 0xffffffff)
+               return -ERANGE;
+
+       memclear(create);
+
+       create.length = length;
+       create.data = (uintptr_t) data;
+       create.blob_id = 0;
+       *id = 0;
+
+       ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create);
+       if (ret != 0)
+               return ret;
+
+       *id = create.blob_id;
+       return 0;
+}
+
+int
+drmModeDestroyPropertyBlob(int fd, uint32_t id)
+{
+       struct drm_mode_destroy_blob destroy;
+
+       memclear(destroy);
+       destroy.blob_id = id;
+       return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy);
+}