turnip: Implement pipe-less param query.

This commit is contained in:
Bas Nieuwenhuizen 2018-12-21 14:49:30 +01:00 committed by Chia-I Wu
parent b0562e272f
commit 6401ad389e
3 changed files with 31 additions and 15 deletions

View file

@ -149,7 +149,6 @@ tu_physical_device_init(struct tu_physical_device *device,
drmVersionPtr version;
int fd;
int master_fd = -1;
struct fd_pipe *tmp_pipe = NULL;
uint64_t val;
fd = open(path, O_RDWR | O_CLOEXEC);
@ -214,35 +213,31 @@ tu_physical_device_init(struct tu_physical_device *device,
device->drm_device = fd_device_new_dup(fd);
if (!device->drm_device) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not create the libdrm device");
result = vk_errorf(
instance, VK_ERROR_INITIALIZATION_FAILED, "could not create the libdrm device");
goto fail;
}
tmp_pipe = fd_pipe_new(device->drm_device, FD_PIPE_3D);
if (!tmp_pipe) {
result = vk_errorf(
instance, VK_ERROR_INITIALIZATION_FAILED, "could not open the 3D pipe");
goto fail;
}
if (fd_pipe_get_param(tmp_pipe, FD_GPU_ID, &val)) {
if (tu_drm_query_param(device, MSM_PARAM_GPU_ID, &val)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GPU ID");
result = vk_errorf(
instance, VK_ERROR_INITIALIZATION_FAILED, "could not get GPU ID");
goto fail;
}
device->gpu_id = val;
if (fd_pipe_get_param(tmp_pipe, FD_GMEM_SIZE, &val)) {
if (tu_drm_query_param(device, MSM_PARAM_GMEM_SIZE, &val)) {
if (instance->debug_flags & TU_DEBUG_STARTUP)
tu_logi("Could not query the GMEM size");
result = vk_errorf(
instance, VK_ERROR_INITIALIZATION_FAILED, "could not get GMEM size");
goto fail;
}
device->gmem_size = val;
fd_pipe_del(tmp_pipe);
tmp_pipe = NULL;
memset(device->name, 0, sizeof(device->name));
sprintf(device->name, "FD%d", device->gpu_id);
@ -285,8 +280,6 @@ tu_physical_device_init(struct tu_physical_device *device,
return VK_SUCCESS;
fail:
if (tmp_pipe)
fd_pipe_del(tmp_pipe);
if (device->drm_device)
fd_device_del(device->drm_device);
close(fd);

View file

@ -92,3 +92,24 @@ tu_gem_info_iova(struct tu_device *dev, uint32_t gem_handle)
{
return tu_gem_info(dev, gem_handle, MSM_INFO_IOVA);
}
int
tu_drm_query_param(struct tu_physical_device *dev, uint32_t param, uint64_t *value)
{
/* Technically this requires a pipe, but the kernel only supports one pipe anyway
* at the time of writing and most of these are clearly pipe independent. */
struct drm_msm_param req = {
.pipe = MSM_PIPE_3D0,
.param = param,
};
int ret = drmCommandWriteRead(dev->local_fd, DRM_MSM_GET_PARAM,
&req, sizeof(req));
if (ret)
return ret;
*value = req.value;
return 0;
}

View file

@ -1203,6 +1203,8 @@ uint64_t
tu_gem_info_offset(struct tu_device *dev, uint32_t gem_handle);
uint64_t
tu_gem_info_iova(struct tu_device *dev, uint32_t gem_handle);
int
tu_drm_query_param(struct tu_physical_device *dev, uint32_t param, uint64_t *value);
#define TU_DEFINE_HANDLE_CASTS(__tu_type, __VkType) \
\