diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-06-28 09:55:10 -0600 |
|---|---|---|
| committer | Jordan Crouse <jcrouse@codeaurora.org> | 2017-07-03 13:40:27 -0600 |
| commit | 9d7874731a1df1bda90575174e2c1821e80b269a (patch) | |
| tree | 31b02722bb5987e21756a36ee955801458b94ccb /drivers/gpu | |
| parent | 48db6e4716499d2d995fce9d396892e8f5313cff (diff) | |
drm/msm: Add a parameter query for the number of ringbuffers
In order to manage ringbuffer priority to its fullest userspace
should know how many ringbuffers it has to work with. Add a
parameter to return the number of active rings.
Change-Id: Ic0dedbada6010dd5122e8409141fd23b414d73e4
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 9f3d957499d3..2a5683e3034b 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -51,6 +51,9 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) if (adreno_gpu->funcs->get_timestamp) return adreno_gpu->funcs->get_timestamp(gpu, value); return -EINVAL; + case MSM_PARAM_NR_RINGS: + *value = gpu->nr_rings; + return 0; default: DBG("%s: invalid param: %u", gpu->name, param); return -EINVAL; |