From: Danilo Krummrich <dakr@kernel.org>
To: Mel Henning <mhenning@darkrefraction.com>
Cc: Karol Herbst <kherbst@redhat.com>, Lyude Paul <lyude@redhat.com>,
Faith Ekstrand <faith.ekstrand@collabora.com>,
dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/nouveau: DRM_NOUVEAU_SET_ZCULL_CTXSW_BUFFER
Date: Thu, 20 Mar 2025 19:34:09 +0100 [thread overview]
Message-ID: <Z9xfoS89yimS1Sb3@pollux> (raw)
In-Reply-To: <20250312213746.228042-3-mhenning@darkrefraction.com>
On Wed, Mar 12, 2025 at 05:36:15PM -0400, Mel Henning wrote:
> diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h
Same here, please split the uAPI change in a separate commit.
> index 33361784eb4e..e9638f4dd7e6 100644
> --- a/include/uapi/drm/nouveau_drm.h
> +++ b/include/uapi/drm/nouveau_drm.h
> @@ -448,6 +448,20 @@ struct drm_nouveau_get_zcull_info {
> __u32 ctxsw_align;
> };
>
> +struct drm_nouveau_set_zcull_ctxsw_buffer {
> + /**
> + * @ptr: The virtual address for the buffer, or null to bind nothing
> + */
> + __u64 addr;
What is this buffer? Is this a GEM object backed buffer? How is it mapped?
> +
> + /**
> + * @channel: the channel to set the buffer on
> + */
> + __u32 channel;
> +
> + __u32 pad;
> +};
> +
> #define DRM_NOUVEAU_GETPARAM 0x00
> #define DRM_NOUVEAU_SETPARAM 0x01 /* deprecated */
> #define DRM_NOUVEAU_CHANNEL_ALLOC 0x02
> @@ -462,6 +476,7 @@ struct drm_nouveau_get_zcull_info {
> #define DRM_NOUVEAU_VM_BIND 0x11
> #define DRM_NOUVEAU_EXEC 0x12
> #define DRM_NOUVEAU_GET_ZCULL_INFO 0x13
> +#define DRM_NOUVEAU_SET_ZCULL_CTXSW_BUFFER 0x14
> #define DRM_NOUVEAU_GEM_NEW 0x40
> #define DRM_NOUVEAU_GEM_PUSHBUF 0x41
> #define DRM_NOUVEAU_GEM_CPU_PREP 0x42
> @@ -532,6 +547,7 @@ struct drm_nouveau_svm_bind {
> #define DRM_IOCTL_NOUVEAU_EXEC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_EXEC, struct drm_nouveau_exec)
>
> #define DRM_IOCTL_NOUVEAU_GET_ZCULL_INFO DRM_IOR (DRM_COMMAND_BASE + DRM_NOUVEAU_GET_ZCULL_INFO, struct drm_nouveau_get_zcull_info)
> +#define DRM_IOCTL_NOUVEAU_SET_ZCULL_CTXSW_BUFFER DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_SET_ZCULL_CTXSW_BUFFER, struct drm_nouveau_set_zcull_ctxsw_buffer)
> #if defined(__cplusplus)
> }
> #endif
> --
> 2.48.1
>
next prev parent reply other threads:[~2025-03-20 18:34 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-12 21:36 [PATCH 0/2] drm/nouveau: ZCULL support Mel Henning
2025-03-12 21:36 ` [PATCH 1/2] drm/nouveau: Add DRM_IOCTL_NOUVEAU_GET_ZCULL_INFO Mel Henning
2025-03-20 18:18 ` Danilo Krummrich
2025-03-20 18:37 ` Danilo Krummrich
2025-03-20 19:57 ` Ben Skeggs
2025-03-20 20:01 ` Danilo Krummrich
2025-03-25 23:40 ` M Henning
2025-03-27 12:56 ` Danilo Krummrich
2025-03-27 18:26 ` M Henning
2025-03-28 11:04 ` Danilo Krummrich
2026-02-05 0:43 ` Dave Airlie
2026-02-05 0:43 ` Dave Airlie
2026-02-05 10:58 ` Danilo Krummrich
2026-02-05 10:58 ` Danilo Krummrich
2025-03-21 22:06 ` M Henning
2025-03-27 13:51 ` Danilo Krummrich
2025-03-27 18:03 ` M Henning
2025-03-28 11:09 ` Danilo Krummrich
2026-02-05 1:16 ` Dave Airlie
2026-02-05 1:16 ` Dave Airlie
2026-02-05 2:13 ` John Hubbard
2026-02-05 2:13 ` John Hubbard
2026-02-05 10:46 ` Danilo Krummrich
2026-02-05 10:46 ` Danilo Krummrich
2025-03-12 21:36 ` [PATCH 2/2] drm/nouveau: DRM_NOUVEAU_SET_ZCULL_CTXSW_BUFFER Mel Henning
2025-03-20 18:34 ` Danilo Krummrich [this message]
2025-03-21 23:00 ` M Henning
2025-03-27 13:58 ` Danilo Krummrich
2025-03-27 19:01 ` M Henning
2025-03-28 11:48 ` Danilo Krummrich
2025-08-01 2:15 ` M Henning
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