From a990defab30a49cf615cef9347d95a3fff729cea Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ma=C3=ADra=20Canal?= Date: Tue, 25 Jul 2023 17:38:02 -0300 Subject: [PATCH] drm-uapi: extend interface for copy timestamp results CPU job MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Extend the UAPI to support the copy timestamp results user extension for the CPU job. This user extension will allow the creation of a CPU job that copies the results of a timestamp query to a BO with the possibility to indicate the timestamp availability with a availability bit. Signed-off-by: Maíra Canal Reviewed-by: Iago Toral Quiroga Part-of: --- include/drm-uapi/v3d_drm.h | 45 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/include/drm-uapi/v3d_drm.h b/include/drm-uapi/v3d_drm.h index 930f8d07f08..f7defbf3d04 100644 --- a/include/drm-uapi/v3d_drm.h +++ b/include/drm-uapi/v3d_drm.h @@ -75,6 +75,7 @@ struct drm_v3d_extension { #define DRM_V3D_EXT_ID_CPU_INDIRECT_CSD 0x02 #define DRM_V3D_EXT_ID_CPU_TIMESTAMP_QUERY 0x03 #define DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY 0x04 +#define DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY 0x05 __u32 flags; /* mbz */ }; @@ -451,6 +452,46 @@ struct drm_v3d_reset_timestamp_query { __u32 count; }; +/** + * struct drm_v3d_copy_timestamp_query - ioctl extension for the CPU job to copy + * query results to a buffer + * + * When an extension DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY is defined, it + * points to this extension to define a copy timestamp query submission. This + * CPU job will copy the timestamp queries results to a BO with the offset + * and stride defined in the extension. + */ +struct drm_v3d_copy_timestamp_query { + struct drm_v3d_extension base; + + /* Define if should write to buffer using 64 or 32 bits */ + __u8 do_64bit; + + /* Define if it can write to buffer even if the query is not available */ + __u8 do_partial; + + /* Define if it should write availability bit to buffer */ + __u8 availability_bit; + + /* mbz */ + __u8 pad; + + /* Offset of the buffer in the BO */ + __u32 offset; + + /* Stride of the buffer in the BO */ + __u32 stride; + + /* Number of queries */ + __u32 count; + + /* Array of queries' offsets within the timestamp BO for their value */ + __u64 offsets; + + /* Array of timestamp's syncobjs to indicate its availability */ + __u64 syncs; +}; + struct drm_v3d_submit_cpu { /* Pointer to a u32 array of the BOs that are referenced by the job. * @@ -462,6 +503,10 @@ struct drm_v3d_submit_cpu { * * For DRM_V3D_EXT_ID_CPU_RESET_TIMESTAMP_QUERY, it must contain only * one BO, that contains the timestamp. + * + * For DRM_V3D_EXT_ID_CPU_COPY_TIMESTAMP_QUERY, it must contain two + * BOs. The first is the BO where the timestamp queries will be written + * to. The second is the BO that contains the timestamp. */ __u64 bo_handles;