diff options
Diffstat (limited to 'freedreno/msm/msm_pipe.c')
| -rw-r--r-- | freedreno/msm/msm_pipe.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/freedreno/msm/msm_pipe.c b/freedreno/msm/msm_pipe.c new file mode 100644 index 0000000..e070b31 --- /dev/null +++ b/freedreno/msm/msm_pipe.c @@ -0,0 +1,212 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Rob Clark <robclark@freedesktop.org> + */ + +#include "msm_priv.h" + +static int query_param(struct fd_pipe *pipe, uint32_t param, + uint64_t *value) +{ + struct msm_pipe *msm_pipe = to_msm_pipe(pipe); + struct drm_msm_param req = { + .pipe = msm_pipe->pipe, + .param = param, + }; + int ret; + + ret = drmCommandWriteRead(pipe->dev->fd, DRM_MSM_GET_PARAM, + &req, sizeof(req)); + if (ret) + return ret; + + *value = req.value; + + return 0; +} + +static int msm_pipe_get_param(struct fd_pipe *pipe, + enum fd_param_id param, uint64_t *value) +{ + struct msm_pipe *msm_pipe = to_msm_pipe(pipe); + switch(param) { + case FD_DEVICE_ID: // XXX probably get rid of this.. + case FD_GPU_ID: + *value = msm_pipe->gpu_id; + return 0; + case FD_GMEM_SIZE: + *value = msm_pipe->gmem; + return 0; + case FD_CHIP_ID: + *value = msm_pipe->chip_id; + return 0; + case FD_MAX_FREQ: + return query_param(pipe, MSM_PARAM_MAX_FREQ, value); + case FD_TIMESTAMP: + return query_param(pipe, MSM_PARAM_TIMESTAMP, value); + case FD_NR_RINGS: + return query_param(pipe, MSM_PARAM_NR_RINGS, value); + default: + ERROR_MSG("invalid param id: %d", param); + return -1; + } +} + +static int msm_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp, + uint64_t timeout) +{ + struct fd_device *dev = pipe->dev; + struct drm_msm_wait_fence req = { + .fence = timestamp, + .queueid = to_msm_pipe(pipe)->queue_id, + }; + int ret; + + get_abs_timeout(&req.timeout, timeout); + + ret = drmCommandWrite(dev->fd, DRM_MSM_WAIT_FENCE, &req, sizeof(req)); + if (ret) { + ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno)); + return ret; + } + + return 0; +} + +static int open_submitqueue(struct fd_pipe *pipe, uint32_t prio) +{ + struct drm_msm_submitqueue req = { + .flags = 0, + .prio = prio, + }; + uint64_t nr_rings = 1; + int ret; + + if (fd_device_version(pipe->dev) < FD_VERSION_SUBMIT_QUEUES) { + to_msm_pipe(pipe)->queue_id = 0; + return 0; + } + + msm_pipe_get_param(pipe, FD_NR_RINGS, &nr_rings); + + req.prio = MIN2(req.prio, MAX2(nr_rings, 1) - 1); + + ret = drmCommandWriteRead(pipe->dev->fd, DRM_MSM_SUBMITQUEUE_NEW, + &req, sizeof(req)); + if (ret) { + ERROR_MSG("could not create submitqueue! %d (%s)", ret, strerror(errno)); + return ret; + } + + to_msm_pipe(pipe)->queue_id = req.id; + return 0; +} + +static void close_submitqueue(struct fd_pipe *pipe, uint32_t queue_id) +{ + if (fd_device_version(pipe->dev) < FD_VERSION_SUBMIT_QUEUES) + return; + + drmCommandWrite(pipe->dev->fd, DRM_MSM_SUBMITQUEUE_CLOSE, + &queue_id, sizeof(queue_id)); +} + +static void msm_pipe_destroy(struct fd_pipe *pipe) +{ + struct msm_pipe *msm_pipe = to_msm_pipe(pipe); + close_submitqueue(pipe, msm_pipe->queue_id); + + if (msm_pipe->suballoc_ring) { + fd_ringbuffer_del(msm_pipe->suballoc_ring); + msm_pipe->suballoc_ring = NULL; + } + + free(msm_pipe); +} + +static const struct fd_pipe_funcs funcs = { + .ringbuffer_new = msm_ringbuffer_new, + .get_param = msm_pipe_get_param, + .wait = msm_pipe_wait, + .destroy = msm_pipe_destroy, +}; + +static uint64_t get_param(struct fd_pipe *pipe, uint32_t param) +{ + uint64_t value; + int ret = query_param(pipe, param, &value); + if (ret) { + ERROR_MSG("get-param failed! %d (%s)", ret, strerror(errno)); + return 0; + } + return value; +} + +drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev, + enum fd_pipe_id id, uint32_t prio) +{ + static const uint32_t pipe_id[] = { + [FD_PIPE_3D] = MSM_PIPE_3D0, + [FD_PIPE_2D] = MSM_PIPE_2D0, + }; + struct msm_pipe *msm_pipe = NULL; + struct fd_pipe *pipe = NULL; + + msm_pipe = calloc(1, sizeof(*msm_pipe)); + if (!msm_pipe) { + ERROR_MSG("allocation failed"); + goto fail; + } + + pipe = &msm_pipe->base; + pipe->funcs = &funcs; + + /* initialize before get_param(): */ + pipe->dev = dev; + msm_pipe->pipe = pipe_id[id]; + + /* these params should be supported since the first version of drm/msm: */ + msm_pipe->gpu_id = get_param(pipe, MSM_PARAM_GPU_ID); + msm_pipe->gmem = get_param(pipe, MSM_PARAM_GMEM_SIZE); + msm_pipe->chip_id = get_param(pipe, MSM_PARAM_CHIP_ID); + + if (! msm_pipe->gpu_id) + goto fail; + + INFO_MSG("Pipe Info:"); + INFO_MSG(" GPU-id: %d", msm_pipe->gpu_id); + INFO_MSG(" Chip-id: 0x%08x", msm_pipe->chip_id); + INFO_MSG(" GMEM size: 0x%08x", msm_pipe->gmem); + + if (open_submitqueue(pipe, prio)) + goto fail; + + return pipe; +fail: + if (pipe) + fd_pipe_del(pipe); + return NULL; +} |