diff options
| author | Ashutosh Dixit <ashutosh.dixit@intel.com> | 2024-12-12 14:49:03 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-21 14:11:12 +0100 |
| commit | 0dff667e348f3f1b754774a8b11f59fbe25c3131 (patch) | |
| tree | 40b3bfd97673733c8d5da3103bb7683a1fdd3f4a /include | |
| parent | 1ef935b0c3456daadfa07f51aa6b5b4f82e9bb9e (diff) | |
| download | linux-0dff667e348f3f1b754774a8b11f59fbe25c3131.tar.gz linux-0dff667e348f3f1b754774a8b11f59fbe25c3131.tar.bz2 linux-0dff667e348f3f1b754774a8b11f59fbe25c3131.zip | |
drm/xe/oa/uapi: Expose an unblock after N reports OA property
[ Upstream commit 5637797add2af632a5d037044ab1b0b35643902e ]
Expose an "unblock after N reports" OA property, to allow userspace threads
to be woken up less frequently.
Co-developed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241212224903.1853862-1-ashutosh.dixit@intel.com
Stable-dep-of: 990d35edc5d3 ("drm/xe/oa: Set stream->pollin in xe_oa_buffer_check_unlocked")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 0383b52cbd86..f62689ca861a 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -1487,6 +1487,7 @@ struct drm_xe_oa_unit { #define DRM_XE_OA_CAPS_BASE (1 << 0) #define DRM_XE_OA_CAPS_SYNCS (1 << 1) #define DRM_XE_OA_CAPS_OA_BUFFER_SIZE (1 << 2) +#define DRM_XE_OA_CAPS_WAIT_NUM_REPORTS (1 << 3) /** @oa_timestamp_freq: OA timestamp freq */ __u64 oa_timestamp_freq; @@ -1660,6 +1661,12 @@ enum drm_xe_oa_property_id { * buffer is allocated by default. */ DRM_XE_OA_PROPERTY_OA_BUFFER_SIZE, + + /** + * @DRM_XE_OA_PROPERTY_WAIT_NUM_REPORTS: Number of reports to wait + * for before unblocking poll or read + */ + DRM_XE_OA_PROPERTY_WAIT_NUM_REPORTS, }; /** |