2023-04-04 00:30:33

by yq882255

[permalink] [raw]
Subject: [PATCH 1/3] Revert "drm/lima: add show_fdinfo for drm usage stats"

From: Qiang Yu <[email protected]>

This reverts commit 4a66f3da99dcb4dcbd28544110636b50adfb0f0d.

This is due to the depend commit has been reverted on upstream:
baad10973fdb ("Revert "drm/scheduler: track GPU active time per entity"")

Signed-off-by: Qiang Yu <[email protected]>
---
drivers/gpu/drm/lima/lima_drv.c | 31 +------------------------------
1 file changed, 1 insertion(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c
index 3420875d6fc6..f456a471216b 100644
--- a/drivers/gpu/drm/lima/lima_drv.c
+++ b/drivers/gpu/drm/lima/lima_drv.c
@@ -261,36 +261,7 @@ static const struct drm_ioctl_desc lima_drm_driver_ioctls[] = {
DRM_IOCTL_DEF_DRV(LIMA_CTX_FREE, lima_ioctl_ctx_free, DRM_RENDER_ALLOW),
};

-static void lima_drm_driver_show_fdinfo(struct seq_file *m, struct file *filp)
-{
- struct drm_file *file = filp->private_data;
- struct drm_device *dev = file->minor->dev;
- struct lima_device *ldev = to_lima_dev(dev);
- struct lima_drm_priv *priv = file->driver_priv;
- struct lima_ctx_mgr *ctx_mgr = &priv->ctx_mgr;
- u64 usage[lima_pipe_num];
-
- lima_ctx_mgr_usage(ctx_mgr, usage);
-
- /*
- * For a description of the text output format used here, see
- * Documentation/gpu/drm-usage-stats.rst.
- */
- seq_printf(m, "drm-driver:\t%s\n", dev->driver->name);
- seq_printf(m, "drm-client-id:\t%u\n", priv->id);
- for (int i = 0; i < lima_pipe_num; i++) {
- struct lima_sched_pipe *pipe = &ldev->pipe[i];
- struct drm_gpu_scheduler *sched = &pipe->base;
-
- seq_printf(m, "drm-engine-%s:\t%llu ns\n", sched->name, usage[i]);
- }
-}
-
-static const struct file_operations lima_drm_driver_fops = {
- .owner = THIS_MODULE,
- DRM_GEM_FOPS,
- .show_fdinfo = lima_drm_driver_show_fdinfo,
-};
+DEFINE_DRM_GEM_FOPS(lima_drm_driver_fops);

/*
* Changelog:
--
2.25.1


2023-04-04 19:30:53

by Daniel Vetter

[permalink] [raw]
Subject: Re: [PATCH 1/3] Revert "drm/lima: add show_fdinfo for drm usage stats"

On Tue, Apr 04, 2023 at 08:25:59AM +0800, [email protected] wrote:
> From: Qiang Yu <[email protected]>
>
> This reverts commit 4a66f3da99dcb4dcbd28544110636b50adfb0f0d.
>
> This is due to the depend commit has been reverted on upstream:
> baad10973fdb ("Revert "drm/scheduler: track GPU active time per entity"")
>
> Signed-off-by: Qiang Yu <[email protected]>

A bit an aside, but it feels like a lot more of the fdinfo scheduler code
should be common, and not just the minimal timekeeping? Just a thought for
the next round.
-Daniel

> ---
> drivers/gpu/drm/lima/lima_drv.c | 31 +------------------------------
> 1 file changed, 1 insertion(+), 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c
> index 3420875d6fc6..f456a471216b 100644
> --- a/drivers/gpu/drm/lima/lima_drv.c
> +++ b/drivers/gpu/drm/lima/lima_drv.c
> @@ -261,36 +261,7 @@ static const struct drm_ioctl_desc lima_drm_driver_ioctls[] = {
> DRM_IOCTL_DEF_DRV(LIMA_CTX_FREE, lima_ioctl_ctx_free, DRM_RENDER_ALLOW),
> };
>
> -static void lima_drm_driver_show_fdinfo(struct seq_file *m, struct file *filp)
> -{
> - struct drm_file *file = filp->private_data;
> - struct drm_device *dev = file->minor->dev;
> - struct lima_device *ldev = to_lima_dev(dev);
> - struct lima_drm_priv *priv = file->driver_priv;
> - struct lima_ctx_mgr *ctx_mgr = &priv->ctx_mgr;
> - u64 usage[lima_pipe_num];
> -
> - lima_ctx_mgr_usage(ctx_mgr, usage);
> -
> - /*
> - * For a description of the text output format used here, see
> - * Documentation/gpu/drm-usage-stats.rst.
> - */
> - seq_printf(m, "drm-driver:\t%s\n", dev->driver->name);
> - seq_printf(m, "drm-client-id:\t%u\n", priv->id);
> - for (int i = 0; i < lima_pipe_num; i++) {
> - struct lima_sched_pipe *pipe = &ldev->pipe[i];
> - struct drm_gpu_scheduler *sched = &pipe->base;
> -
> - seq_printf(m, "drm-engine-%s:\t%llu ns\n", sched->name, usage[i]);
> - }
> -}
> -
> -static const struct file_operations lima_drm_driver_fops = {
> - .owner = THIS_MODULE,
> - DRM_GEM_FOPS,
> - .show_fdinfo = lima_drm_driver_show_fdinfo,
> -};
> +DEFINE_DRM_GEM_FOPS(lima_drm_driver_fops);
>
> /*
> * Changelog:
> --
> 2.25.1
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch