From f7ddbf5581b474fe4a0a29244acaa1bf72234675 Mon Sep 17 00:00:00 2001 From: Rob Clark Date: Thu, 3 Mar 2022 16:52:15 -0800 Subject: drm/msm: Add SET_PARAM ioctl It was always expected to have a use for this some day, so we left a placeholder. Now we do. (And I expect another use in the not too distant future when we start allowing userspace to allocate GPU iova.) Signed-off-by: Rob Clark Link: https://lore.kernel.org/r/20220304005317.776110-3-robdclark@gmail.com --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c') diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 15c8997b7251..6a37d409653b 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -283,6 +283,16 @@ int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx, } } +int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx, + uint32_t param, uint64_t value) +{ + switch (param) { + default: + DBG("%s: invalid param: %u", gpu->name, param); + return -EINVAL; + } +} + const struct firmware * adreno_request_fw(struct adreno_gpu *adreno_gpu, const char *fwname) { -- cgit