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Diffstat (limited to 'libdrm/xf86drm.c')
-rw-r--r--libdrm/xf86drm.c111
1 files changed, 66 insertions, 45 deletions
diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 7001a0ef..e3550de7 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2432,7 +2432,7 @@ int drmFenceFlush(int fd, drmFence *fence, unsigned flush_type)
fence->fence_class = arg.fence_class;
fence->type = arg.type;
fence->signaled = arg.signaled;
- return 0;
+ return arg.error;
}
int drmFenceUpdate(int fd, drmFence *fence)
@@ -2487,6 +2487,7 @@ int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type)
fence->fence_class = arg.fence_class;
fence->type = arg.type;
fence->signaled = arg.signaled;
+ fence->sequence = arg.sequence;
return 0;
}
@@ -2495,7 +2496,50 @@ int drmFenceEmit(int fd, unsigned flags, drmFence *fence, unsigned emit_type)
* DRM_FENCE_FLAG_WAIT_LAZY
* DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS
*/
+
+#define DRM_IOCTL_TIMEOUT_USEC 3000000UL
+
+static unsigned long
+drmTimeDiff(struct timeval *now, struct timeval *then)
+{
+ uint64_t val;
+
+ val = now->tv_sec - then->tv_sec;
+ val *= 1000000LL;
+ val += now->tv_usec;
+ val -= then->tv_usec;
+
+ return (unsigned long) val;
+}
+
+static int
+drmIoctlTimeout(int fd, unsigned long request, void *argp)
+{
+ int haveThen = 0;
+ struct timeval then, now;
+ int ret;
+
+ do {
+ ret = ioctl(fd, request, argp);
+ if (ret != 0 && errno == EAGAIN) {
+ if (!haveThen) {
+ gettimeofday(&then, NULL);
+ haveThen = 1;
+ }
+ gettimeofday(&now, NULL);
+ }
+ } while (ret != 0 && errno == EAGAIN &&
+ drmTimeDiff(&now, &then) < DRM_IOCTL_TIMEOUT_USEC);
+
+ if (ret != 0)
+ return ((errno == EAGAIN) ? -EBUSY : -errno);
+
+ return 0;
+}
+
+
+
int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
{
drm_fence_arg_t arg;
@@ -2516,17 +2560,15 @@ int drmFenceWait(int fd, unsigned flags, drmFence *fence, unsigned flush_type)
arg.type = flush_type;
arg.flags = flags;
- do {
- ret = ioctl(fd, DRM_IOCTL_FENCE_WAIT, &arg);
- } while (ret != 0 && errno == EAGAIN);
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_FENCE_WAIT, &arg);
if (ret)
- return -errno;
+ return ret;
fence->fence_class = arg.fence_class;
fence->type = arg.type;
fence->signaled = arg.signaled;
- return 0;
+ return arg.error;
}
static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
@@ -2536,7 +2578,7 @@ static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
buf->size = rep->size;
buf->offset = rep->offset;
buf->mapHandle = rep->arg_handle;
- buf->mask = rep->mask;
+ buf->proposedFlags = rep->proposed_flags;
buf->start = rep->buffer_start;
buf->fenceFlags = rep->fence_flags;
buf->replyFlags = rep->rep_flags;
@@ -2550,7 +2592,7 @@ static void drmBOCopyReply(const struct drm_bo_info_rep *rep, drmBO *buf)
int drmBOCreate(int fd, unsigned long size,
unsigned pageAlignment, void *user_buffer,
- uint64_t mask,
+ uint64_t flags,
unsigned hint, drmBO *buf)
{
struct drm_bo_create_arg arg;
@@ -2560,7 +2602,7 @@ int drmBOCreate(int fd, unsigned long size,
memset(buf, 0, sizeof(*buf));
memset(&arg, 0, sizeof(arg));
- req->mask = mask;
+ req->flags = flags;
req->hint = hint;
req->size = size;
req->page_alignment = pageAlignment;
@@ -2568,15 +2610,12 @@ int drmBOCreate(int fd, unsigned long size,
buf->virtual = NULL;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_CREATE, &arg);
- } while (ret != 0 && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_CREATE, &arg);
if (ret)
- return -errno;
-
+ return ret;
+
drmBOCopyReply(rep, buf);
- buf->mapVirtual = NULL;
+ buf->virtual = user_buffer;
buf->mapCount = 0;
return 0;
@@ -2606,7 +2645,7 @@ int drmBOUnreference(int fd, drmBO *buf)
{
struct drm_bo_handle_arg arg;
- if (buf->mapVirtual) {
+ if (buf->mapVirtual && buf->mapHandle) {
(void) munmap(buf->mapVirtual, buf->start + buf->size);
buf->mapVirtual = NULL;
buf->virtual = NULL;
@@ -2665,12 +2704,9 @@ int drmBOMap(int fd, drmBO *buf, unsigned mapFlags, unsigned mapHint,
* This IOCTL synchronizes the buffer.
*/
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_MAP, &arg);
- } while (ret != 0 && errno == EAGAIN);
-
- if (ret)
- return -errno;
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_MAP, &arg);
+ if (ret)
+ return ret;
drmBOCopyReply(rep, buf);
buf->mapFlags = mapFlags;
@@ -2715,14 +2751,12 @@ int drmBOSetStatus(int fd, drmBO *buf,
req->desired_tile_stride = desired_tile_stride;
req->tile_info = tile_info;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_SETSTATUS, &arg);
- } while (ret && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_SETSTATUS, &arg);
if (ret)
- return -errno;
+ return ret;
drmBOCopyReply(rep, buf);
+ return 0;
}
@@ -2757,12 +2791,9 @@ int drmBOWaitIdle(int fd, drmBO *buf, unsigned hint)
req->handle = buf->handle;
req->hint = hint;
- do {
- ret = ioctl(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg);
- } while (ret && errno == EAGAIN);
-
+ ret = drmIoctlTimeout(fd, DRM_IOCTL_BO_WAIT_IDLE, &arg);
if (ret)
- return -errno;
+ return ret;
drmBOCopyReply(rep, buf);
}
@@ -2824,35 +2855,25 @@ int drmMMTakedown(int fd, unsigned memType)
int drmMMLock(int fd, unsigned memType, int lockBM, int ignoreNoEvict)
{
struct drm_mm_type_arg arg;
- int ret;
memset(&arg, 0, sizeof(arg));
arg.mem_type = memType;
arg.lock_flags |= (lockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
arg.lock_flags |= (ignoreNoEvict) ? DRM_BO_LOCK_IGNORE_NO_EVICT : 0;
- do{
- ret = ioctl(fd, DRM_IOCTL_MM_LOCK, &arg);
- } while (ret && errno == EAGAIN);
-
- return (ret) ? -errno : 0;
+ return drmIoctlTimeout(fd, DRM_IOCTL_MM_LOCK, &arg);
}
int drmMMUnlock(int fd, unsigned memType, int unlockBM)
{
struct drm_mm_type_arg arg;
- int ret;
memset(&arg, 0, sizeof(arg));
arg.mem_type = memType;
arg.lock_flags |= (unlockBM) ? DRM_BO_LOCK_UNLOCK_BM : 0;
- do{
- ret = ioctl(fd, DRM_IOCTL_MM_UNLOCK, &arg);
- } while (ret && errno == EAGAIN);
-
- return (ret) ? -errno : 0;
+ return drmIoctlTimeout(fd, DRM_IOCTL_MM_UNLOCK, &arg);
}
int drmBOVersion(int fd, unsigned int *major,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 05:03:28 +0000