struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
struct msm_gpu *gpu = NULL;
int ret;
if (pdev)
gpu = platform_get_drvdata(pdev);
if (!gpu) {
dev_err_once(dev->dev, "no GPU device was found\n");
return NULL;
}
pm_runtime_get_sync(&pdev->dev);
mutex_lock(&dev->struct_mutex);
ret = msm_gpu_hw_init(gpu);
mutex_unlock(&dev->struct_mutex);
pm_runtime_put_sync(&pdev->dev);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
return NULL;
}
return gpu;
}
struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev = priv->gpu_pdev;
struct adreno_platform_config *config;
struct adreno_rev rev;
const struct adreno_info *info;
struct msm_gpu *gpu = NULL;
if (!pdev) {
dev_err(dev->dev, "no adreno device\n");
return NULL;
}
config = pdev->dev.platform_data;
rev = config->rev;
info = adreno_info(config->rev);
if (!info) {
dev_warn(dev->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
rev.core, rev.major, rev.minor, rev.patchid);
return NULL;
}
DBG("Found GPU: %u.%u.%u.%u", rev.core, rev.major,
rev.minor, rev.patchid);
gpu = info->init(dev);
if (IS_ERR(gpu)) {
dev_warn(dev->dev, "failed to load adreno gpu\n");
gpu = NULL;
/* not fatal */
}
if (gpu) {
int ret;
pm_runtime_get_sync(&pdev->dev);
mutex_lock(&dev->struct_mutex);
ret = msm_gpu_hw_init(gpu);
mutex_unlock(&dev->struct_mutex);
pm_runtime_put_sync(&pdev->dev);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
gpu->funcs->destroy(gpu);
gpu = NULL;
}
}
return gpu;
}
void adreno_recover(struct msm_gpu *gpu)
{
struct drm_device *dev = gpu->dev;
int ret;
// XXX pm-runtime?? we *need* the device to be off after this
// so maybe continuing to call ->pm_suspend/resume() is better?
gpu->funcs->pm_suspend(gpu);
gpu->funcs->pm_resume(gpu);
ret = msm_gpu_hw_init(gpu);
if (ret) {
dev_err(dev->dev, "gpu hw init failed: %d\n", ret);
/* hmm, oh well? */
}
}