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freedreno/drm: update for robustness

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Update UABI header and add FD_PP_PGTABLE and FD_NR_FAULTS params.

Robustness can be supported by a kernel which provides the new ABI if it
also indicates that per-process pagetables are in use.

Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Rob Clark 2019-04-16 10:10:05 -07:00
parent 77d091d0c5
commit 6503918689
3 changed files with 44 additions and 0 deletions
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4
src/freedreno/drm/freedreno_drmif.h
View file

@ -52,6 +52,9 @@ enum fd_param_id {
FD_MAX_FREQ,
FD_TIMESTAMP,
FD_NR_RINGS, /* # of rings == # of distinct priority levels */
FD_PP_PGTABLE, /* are per-process pagetables used for the pipe/ctx */
FD_CTX_FAULTS, /* # of per context faults */
FD_GLOBAL_FAULTS, /* # of global (all context) faults */
};
/* bo flags: */
@ -88,6 +91,7 @@ enum fd_version {
FD_VERSION_SUBMIT_QUEUES = 3, /* submit queues and multiple priority levels */
FD_VERSION_BO_IOVA = 3, /* supports fd_bo_get/put_iova() */
FD_VERSION_SOFTPIN = 4, /* adds softpin, bo name, and dump flag */
FD_VERSION_ROBUSTNESS = 5, /* adds FD_NR_FAULTS and FD_PP_PGTABLE */
};
enum fd_version fd_device_version(struct fd_device *dev);

14
src/freedreno/drm/msm_drm.h
View file

@ -74,6 +74,8 @@ struct drm_msm_timespec {
#define MSM_PARAM_TIMESTAMP 0x05
#define MSM_PARAM_GMEM_BASE 0x06
#define MSM_PARAM_NR_RINGS 0x07
#define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */
#define MSM_PARAM_FAULTS 0x09
struct drm_msm_param {
__u32 pipe; /* in, MSM_PIPE_x */
@ -286,6 +288,16 @@ struct drm_msm_submitqueue {
__u32 id; /* out, identifier */
};
#define MSM_SUBMITQUEUE_PARAM_FAULTS 0
struct drm_msm_submitqueue_query {
__u64 data;
__u32 id;
__u32 param;
__u32 len;
__u32 pad;
};
#define DRM_MSM_GET_PARAM 0x00
/* placeholder:
#define DRM_MSM_SET_PARAM 0x01
@ -302,6 +314,7 @@ struct drm_msm_submitqueue {
*/
#define DRM_MSM_SUBMITQUEUE_NEW 0x0A
#define DRM_MSM_SUBMITQUEUE_CLOSE 0x0B
#define DRM_MSM_SUBMITQUEUE_QUERY 0x0C
#define DRM_IOCTL_MSM_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GET_PARAM, struct drm_msm_param)
#define DRM_IOCTL_MSM_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_NEW, struct drm_msm_gem_new)
@ -313,6 +326,7 @@ struct drm_msm_submitqueue {
#define DRM_IOCTL_MSM_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_MADVISE, struct drm_msm_gem_madvise)
#define DRM_IOCTL_MSM_SUBMITQUEUE_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_NEW, struct drm_msm_submitqueue)
#define DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_CLOSE, __u32)
#define DRM_IOCTL_MSM_SUBMITQUEUE_QUERY DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_QUERY, struct drm_msm_submitqueue_query)
#if defined(__cplusplus)
}

26
src/freedreno/drm/msm_pipe.c
View file

@ -48,6 +48,26 @@ static int query_param(struct fd_pipe *pipe, uint32_t param,
return 0;
}
static int query_queue_param(struct fd_pipe *pipe, uint32_t param,
uint64_t *value)
{
struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
struct drm_msm_submitqueue_query req = {
.data = value,
.id = msm_pipe->queue_id,
.param = param,
.len = sizeof(*value),
};
int ret;
ret = drmCommandWriteRead(pipe->dev->fd, DRM_MSM_SUBMITQUEUE_QUERY,
&req, sizeof(req));
if (ret)
return ret;
return 0;
}
static int msm_pipe_get_param(struct fd_pipe *pipe,
enum fd_param_id param, uint64_t *value)
{
@ -69,6 +89,12 @@ static int msm_pipe_get_param(struct fd_pipe *pipe,
return query_param(pipe, MSM_PARAM_TIMESTAMP, value);
case FD_NR_RINGS:
return query_param(pipe, MSM_PARAM_NR_RINGS, value);
case FD_PP_PGTABLE:
return query_param(pipe, MSM_PARAM_PP_PGTABLE, value);
case FD_CTX_FAULTS:
return query_queue_param(pipe, MSM_SUBMITQUEUE_PARAM_FAULTS, value);
case FD_GLOBAL_FAULTS:
return query_param(pipe, MSM_PARAM_FAULTS, value);
default:
ERROR_MSG("invalid param id: %d", param);
return -1;