diff options
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_gpu.c')
-rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_gpu.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index 97f097ee5c1d..c9469bf7770a 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -60,14 +60,21 @@ int panfrost_gpu_soft_reset(struct panfrost_device *pfdev) gpu_write(pfdev, GPU_INT_MASK, 0); gpu_write(pfdev, GPU_INT_CLEAR, GPU_IRQ_RESET_COMPLETED); - gpu_write(pfdev, GPU_CMD, GPU_CMD_SOFT_RESET); + gpu_write(pfdev, GPU_CMD, GPU_CMD_SOFT_RESET); ret = readl_relaxed_poll_timeout(pfdev->iomem + GPU_INT_RAWSTAT, val, val & GPU_IRQ_RESET_COMPLETED, 100, 10000); if (ret) { - dev_err(pfdev->dev, "gpu soft reset timed out\n"); - return ret; + dev_err(pfdev->dev, "gpu soft reset timed out, attempting hard reset\n"); + + gpu_write(pfdev, GPU_CMD, GPU_CMD_HARD_RESET); + ret = readl_relaxed_poll_timeout(pfdev->iomem + GPU_INT_RAWSTAT, val, + val & GPU_IRQ_RESET_COMPLETED, 100, 10000); + if (ret) { + dev_err(pfdev->dev, "gpu hard reset timed out\n"); + return ret; + } } gpu_write(pfdev, GPU_INT_CLEAR, GPU_IRQ_MASK_ALL); |