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freedreno: small refactor for get_param 

Will simplify next commit.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
main
Rob Clark 2016-02-10 12:26:55 -05:00
parent c47385ccda
commit bc5497d061
1 changed files with 30 additions and 13 deletions
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43
freedreno/msm/msm_pipe.c
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@ -32,6 +32,25 @@
#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)
@ -87,21 +106,15 @@ static const struct fd_pipe_funcs funcs = {
.destroy = msm_pipe_destroy,
};
static uint64_t get_param(struct fd_device *dev, uint32_t pipe, uint32_t param)
static uint64_t get_param(struct fd_pipe *pipe, uint32_t param)
{
struct drm_msm_param req = {
.pipe = pipe,
.param = param,
};
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_MSM_GET_PARAM, &req, sizeof(req));
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 req.value;
return value;
}
drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev,
@ -123,10 +136,14 @@ drm_private struct fd_pipe * msm_pipe_new(struct fd_device *dev,
pipe = &msm_pipe->base;
pipe->funcs = &funcs;
/* initialize before get_param(): */
pipe->dev = dev;
msm_pipe->pipe = pipe_id[id];
msm_pipe->gpu_id = get_param(dev, pipe_id[id], MSM_PARAM_GPU_ID);
msm_pipe->gmem = get_param(dev, pipe_id[id], MSM_PARAM_GMEM_SIZE);
msm_pipe->chip_id = get_param(dev, pipe_id[id], MSM_PARAM_CHIP_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;