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Report the maximum number of IBs that can be pushed with a single DRM_IOCTL_NOUVEAU_EXEC through DRM_IOCTL_NOUVEAU_GETPARAM. While the maximum number of IBs per ring might vary between chipsets, the kernel will make sure that userspace can only push a fraction of the maximum number of IBs per ring per job, such that we avoid a situation where there's only a single job occupying the ring, which could potentially lead to the ring run dry. Using DRM_IOCTL_NOUVEAU_GETPARAM to report the maximum number of IBs that can be pushed with a single DRM_IOCTL_NOUVEAU_EXEC implies that all channels of a given device have the same ring size. Reviewed-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Acked-by: Faith Ekstrand <faith.ekstrand@collabora.com> Signed-off-by: Danilo Krummrich <dakr@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231002135008.10651-3-dakr@redhat.com |
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| .. | ||
| amdgpu_drm.h | ||
| armada_drm.h | ||
| drm_fourcc.h | ||
| drm_mode.h | ||
| drm_sarea.h | ||
| drm.h | ||
| etnaviv_drm.h | ||
| exynos_drm.h | ||
| habanalabs_accel.h | ||
| i915_drm.h | ||
| ivpu_accel.h | ||
| lima_drm.h | ||
| msm_drm.h | ||
| nouveau_drm.h | ||
| omap_drm.h | ||
| panfrost_drm.h | ||
| qaic_accel.h | ||
| qxl_drm.h | ||
| radeon_drm.h | ||
| tegra_drm.h | ||
| v3d_drm.h | ||
| vc4_drm.h | ||
| vgem_drm.h | ||
| virtgpu_drm.h | ||
| vmwgfx_drm.h | ||