diff options
| author | Rob Clark <robclark@freedesktop.org> | 2016-06-01 14:35:44 -0400 |
|---|---|---|
| committer | Rob Clark <robclark@freedesktop.org> | 2016-07-20 19:42:21 -0400 |
| commit | 904f1361ae11d53ee4d0cf297d38f4c243ee8d69 (patch) | |
| tree | ea27244f8f77c4a66b95c2b33da26699840c9adb | |
| parent | fe07584e050db55d0e41ed52c0c42f5e8ae84315 (diff) | |
| download | drm-904f1361ae11d53ee4d0cf297d38f4c243ee8d69.tar.gz | |
freedreno: expose kernel driver version
gallium needs to know if the kernel is new enough to support explicit
fencing, dynamically grown ringbuffers, etc.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
| -rw-r--r-- | freedreno/freedreno_device.c | 5 | ||||
| -rw-r--r-- | freedreno/freedreno_drmif.h | 5 | ||||
| -rw-r--r-- | freedreno/freedreno_priv.h | 2 | ||||
| -rw-r--r-- | freedreno/msm/msm_bo.c | 2 |
4 files changed, 12 insertions, 2 deletions
diff --git a/freedreno/freedreno_device.c b/freedreno/freedreno_device.c index 3da5c7c1..b99bce2f 100644 --- a/freedreno/freedreno_device.c +++ b/freedreno/freedreno_device.c @@ -140,3 +140,8 @@ int fd_device_fd(struct fd_device *dev) { return dev->fd; } + +enum fd_version fd_device_version(struct fd_device *dev) +{ + return dev->version; +} diff --git a/freedreno/freedreno_drmif.h b/freedreno/freedreno_drmif.h index 15ae0756..af5e1dac 100644 --- a/freedreno/freedreno_drmif.h +++ b/freedreno/freedreno_drmif.h @@ -89,6 +89,11 @@ struct fd_device * fd_device_ref(struct fd_device *dev); void fd_device_del(struct fd_device *dev); int fd_device_fd(struct fd_device *dev); +enum fd_version { + FD_VERSION_MADVISE = 1, /* kernel supports madvise */ + FD_VERSION_UNLIMITED_CMDS = 1, /* submits w/ >4 cmd buffers (growable ringbuffer) */ +}; +enum fd_version fd_device_version(struct fd_device *dev); /* pipe functions: */ diff --git a/freedreno/freedreno_priv.h b/freedreno/freedreno_priv.h index f3ddd77d..5e8f03d4 100644 --- a/freedreno/freedreno_priv.h +++ b/freedreno/freedreno_priv.h @@ -83,7 +83,7 @@ struct fd_bo_cache { struct fd_device { int fd; - int version; + enum fd_version version; atomic_t refcnt; /* tables to keep track of bo's, to avoid "evil-twin" fd_bo objects: diff --git a/freedreno/msm/msm_bo.c b/freedreno/msm/msm_bo.c index cfaec827..72471df6 100644 --- a/freedreno/msm/msm_bo.c +++ b/freedreno/msm/msm_bo.c @@ -98,7 +98,7 @@ static int msm_bo_madvise(struct fd_bo *bo, int willneed) int ret; /* older kernels do not support this: */ - if (bo->dev->version < 1) + if (bo->dev->version < FD_VERSION_MADVISE) return willneed; ret = drmCommandWriteRead(bo->dev->fd, DRM_MSM_GEM_MADVISE, &req, sizeof(req)); |