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| author | Erico Nunes <nunes.erico@gmail.com> | 2023-03-13 00:30:51 +0100 |
|---|---|---|
| committer | Qiang Yu <yuq825@gmail.com> | 2023-04-02 18:18:37 +0800 |
| commit | 87767de835edf527b879a363d518c33da68adb81 (patch) | |
| tree | c7d61f1bfae323a0907b19b2b3e26797ddce2ea5 /drivers/gpu/drm/lima/lima_drv.c | |
| parent | bccafec957a5c4b22ac29e53a39e82d0a0008348 (diff) | |
| download | linux-87767de835edf527b879a363d518c33da68adb81.tar.gz linux-87767de835edf527b879a363d518c33da68adb81.tar.bz2 linux-87767de835edf527b879a363d518c33da68adb81.zip | |
drm/lima: allocate unique id per drm_file
To track if fds are pointing to the same execution context and export
the expected information to fdinfo, similar to what is done in other
drivers.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230312233052.21095-3-nunes.erico@gmail.com
Diffstat (limited to 'drivers/gpu/drm/lima/lima_drv.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_drv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c index 39cab4a55f57..f456a471216b 100644 --- a/drivers/gpu/drm/lima/lima_drv.c +++ b/drivers/gpu/drm/lima/lima_drv.c @@ -218,6 +218,11 @@ static int lima_drm_driver_open(struct drm_device *dev, struct drm_file *file) if (!priv) return -ENOMEM; + err = xa_alloc_cyclic(&ldev->active_contexts, &priv->id, priv, + xa_limit_32b, &ldev->next_context_id, GFP_KERNEL); + if (err < 0) + goto err_out0; + priv->vm = lima_vm_create(ldev); if (!priv->vm) { err = -ENOMEM; @@ -237,6 +242,9 @@ err_out0: static void lima_drm_driver_postclose(struct drm_device *dev, struct drm_file *file) { struct lima_drm_priv *priv = file->driver_priv; + struct lima_device *ldev = to_lima_dev(dev); + + xa_erase(&ldev->active_contexts, priv->id); lima_ctx_mgr_fini(&priv->ctx_mgr); lima_vm_put(priv->vm); @@ -388,6 +396,8 @@ static int lima_pdev_probe(struct platform_device *pdev) ldev->dev = &pdev->dev; ldev->id = (enum lima_gpu_id)of_device_get_match_data(&pdev->dev); + xa_init_flags(&ldev->active_contexts, XA_FLAGS_ALLOC); + platform_set_drvdata(pdev, ldev); /* Allocate and initialize the DRM device. */ @@ -446,6 +456,8 @@ static int lima_pdev_remove(struct platform_device *pdev) struct lima_device *ldev = platform_get_drvdata(pdev); struct drm_device *ddev = ldev->ddev; + xa_destroy(&ldev->active_contexts); + sysfs_remove_bin_file(&ldev->dev->kobj, &lima_error_state_attr); drm_dev_unregister(ddev); |