diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 9efc84929be0b5cc1a06a5e6a5bbf00d0f3e3445..3d307b34854d2731e69249568e3a9d5d772e1ba5 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -229,10 +229,14 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu,
}
int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
- uint32_t param, uint64_t *value)
+ uint32_t param, uint64_t *value, uint32_t *len)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ /* No pointer params yet */
+ if (*len != 0)
+ return -EINVAL;
+
switch (param) {
case MSM_PARAM_GPU_ID:
*value = adreno_gpu->info->revn;
@@ -284,8 +288,12 @@ 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)
+ uint32_t param, uint64_t value, uint32_t len)
{
+ /* No pointer params yet */
+ if (len != 0)
+ return -EINVAL;
+
switch (param) {
case MSM_PARAM_SYSPROF:
if (!capable(CAP_SYS_ADMIN))
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 0490c5fbb78031ed7eac5f654423a4aef681c506..ab3b5ef80332db2b43af7df354258678851c3202 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -281,9 +281,9 @@ static inline int adreno_is_a650_family(struct adreno_gpu *gpu)
}
int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
- uint32_t param, uint64_t *value);
+ uint32_t param, uint64_t *value, uint32_t *len);
int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
- uint32_t param, uint64_t value);
+ uint32_t param, uint64_t value, uint32_t len);
const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu,
const char *fwname);
struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu,
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index affa95eb05fcda3fe114dfcb24272de6bc22d388..81b40c67e399447fb32703930c8f613e0c765e9f 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -613,7 +613,7 @@ static int msm_ioctl_get_param(struct drm_device *dev, void *data,
/* for now, we just have 3d pipe.. eventually this would need to
* be more clever to dispatch to appropriate gpu module:
*/
- if (args->pipe != MSM_PIPE_3D0)
+ if ((args->pipe != MSM_PIPE_3D0) || (args->pad != 0))
return -EINVAL;
gpu = priv->gpu;
@@ -622,7 +622,7 @@ static int msm_ioctl_get_param(struct drm_device *dev, void *data,
return -ENXIO;
return gpu->funcs->get_param(gpu, file->driver_priv,
- args->param, &args->value);
+ args->param, &args->value, &args->len);
}
static int msm_ioctl_set_param(struct drm_device *dev, void *data,
@@ -632,7 +632,7 @@ static int msm_ioctl_set_param(struct drm_device *dev, void *data,
struct drm_msm_param *args = data;
struct msm_gpu *gpu;
- if (args->pipe != MSM_PIPE_3D0)
+ if ((args->pipe != MSM_PIPE_3D0) || (args->pad != 0))
return -EINVAL;
gpu = priv->gpu;
@@ -641,7 +641,7 @@ static int msm_ioctl_set_param(struct drm_device *dev, void *data,
return -ENXIO;
return gpu->funcs->set_param(gpu, file->driver_priv,
- args->param, args->value);
+ args->param, args->value, args->len);
}
static int msm_ioctl_gem_new(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index cb5340c8af8cb89ae6a815b6476f0e2cc145ee94..ab5d31f5df813faf956e66fa58798bc17163751b 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -44,9 +44,9 @@ struct msm_gpu_config {
*/
struct msm_gpu_funcs {
int (*get_param)(struct msm_gpu *gpu, struct msm_file_private *ctx,
- uint32_t param, uint64_t *value);
+ uint32_t param, uint64_t *value, uint32_t *len);
int (*set_param)(struct msm_gpu *gpu, struct msm_file_private *ctx,
- uint32_t param, uint64_t value);
+ uint32_t param, uint64_t value, uint32_t len);
int (*hw_init)(struct msm_gpu *gpu);
int (*pm_suspend)(struct msm_gpu *gpu);
int (*pm_resume)(struct msm_gpu *gpu);
diff --git a/drivers/gpu/drm/msm/msm_rd.c b/drivers/gpu/drm/msm/msm_rd.c
index 9d835331f21497448510b3ec952f60c172b0e20d..a92ffde53f0b301453342a453c41e0eeee3bc27f 100644
--- a/drivers/gpu/drm/msm/msm_rd.c
+++ b/drivers/gpu/drm/msm/msm_rd.c
@@ -180,6 +180,7 @@ static int rd_open(struct inode *inode, struct file *file)
struct msm_gpu *gpu = priv->gpu;
uint64_t val;
uint32_t gpu_id;
+ uint32_t zero = 0;
int ret = 0;
if (!gpu)
@@ -200,12 +201,12 @@ static int rd_open(struct inode *inode, struct file *file)
*
* Note: These particular params do not require a context
*/
- gpu->funcs->get_param(gpu, NULL, MSM_PARAM_GPU_ID, &val);
+ gpu->funcs->get_param(gpu, NULL, MSM_PARAM_GPU_ID, &val, &zero);
gpu_id = val;
rd_write_section(rd, RD_GPU_ID, &gpu_id, sizeof(gpu_id));
- gpu->funcs->get_param(gpu, NULL, MSM_PARAM_CHIP_ID, &val);
+ gpu->funcs->get_param(gpu, NULL, MSM_PARAM_CHIP_ID, &val, &zero);
rd_write_section(rd, RD_CHIP_ID, &val, sizeof(val));
out:
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h
index 07efc80334924f0edada78177cd9eeffb1353c94..0aa1a8cb4e0df9bd0a82f1a11ef45e1127f3a1f2 100644
--- a/include/uapi/drm/msm_drm.h
+++ b/include/uapi/drm/msm_drm.h
@@ -95,6 +95,8 @@ struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */
__u32 param; /* in, MSM_PARAM_x */
__u64 value; /* out (get_param) or in (set_param) */
+ __u32 len; /* zero for non-pointer params */
+ __u32 pad; /* must be zero */
};
/*