diff options
Diffstat (limited to 'drivers/gpu/drm/panthor/panthor_device.c')
| -rw-r--r-- | drivers/gpu/drm/panthor/panthor_device.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panthor/panthor_device.c b/drivers/gpu/drm/panthor/panthor_device.c index e133b1e0ad6d..54fbb1aa07c5 100644 --- a/drivers/gpu/drm/panthor/panthor_device.c +++ b/drivers/gpu/drm/panthor/panthor_device.c @@ -18,6 +18,7 @@ #include "panthor_devfreq.h" #include "panthor_device.h" #include "panthor_fw.h" +#include "panthor_gem.h" #include "panthor_gpu.h" #include "panthor_hw.h" #include "panthor_mmu.h" @@ -27,6 +28,12 @@ static int panthor_gpu_coherency_init(struct panthor_device *ptdev) { + BUILD_BUG_ON(GPU_COHERENCY_NONE != DRM_PANTHOR_GPU_COHERENCY_NONE); + BUILD_BUG_ON(GPU_COHERENCY_ACE_LITE != DRM_PANTHOR_GPU_COHERENCY_ACE_LITE); + BUILD_BUG_ON(GPU_COHERENCY_ACE != DRM_PANTHOR_GPU_COHERENCY_ACE); + + /* Start with no coherency, and update it if the device is flagged coherent. */ + ptdev->gpu_info.selected_coherency = GPU_COHERENCY_NONE; ptdev->coherent = device_get_dma_attr(ptdev->base.dev) == DEV_DMA_COHERENT; if (!ptdev->coherent) @@ -36,8 +43,10 @@ static int panthor_gpu_coherency_init(struct panthor_device *ptdev) * ACE protocol has never been supported for command stream frontend GPUs. */ if ((gpu_read(ptdev, GPU_COHERENCY_FEATURES) & - GPU_COHERENCY_PROT_BIT(ACE_LITE))) + GPU_COHERENCY_PROT_BIT(ACE_LITE))) { + ptdev->gpu_info.selected_coherency = GPU_COHERENCY_ACE_LITE; return 0; + } drm_err(&ptdev->base, "Coherency not supported by the device"); return -ENOTSUPP; @@ -294,6 +303,8 @@ int panthor_device_init(struct panthor_device *ptdev) if (ret) goto err_unplug_fw; + panthor_gem_init(ptdev); + /* ~3 frames */ pm_runtime_set_autosuspend_delay(ptdev->base.dev, 50); pm_runtime_use_autosuspend(ptdev->base.dev); |