diff options
Diffstat (limited to 'lib/intel_batchbuffer.h')
| -rw-r--r-- | lib/intel_batchbuffer.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/intel_batchbuffer.h b/lib/intel_batchbuffer.h index fa8875b3..62c8396c 100644 --- a/lib/intel_batchbuffer.h +++ b/lib/intel_batchbuffer.h @@ -300,4 +300,26 @@ typedef void (*igt_fillfunc_t)(struct intel_batchbuffer *batch, igt_fillfunc_t igt_get_media_fillfunc(int devid); igt_fillfunc_t igt_get_gpgpu_fillfunc(int devid); +/** + * igt_media_spinfunc_t: + * @batch: batchbuffer object + * @dst: destination i-g-t buffer object + * @spins: number of loops to execute + * + * This is the type of the per-platform media spin functions. The + * platform-specific implementation can be obtained by calling + * igt_get_media_spinfunc(). + * + * The media spin function emits a batchbuffer for the render engine with + * the media pipeline selected. The workload consists of a single thread + * which spins in a tight loop the requested number of times. Each spin + * increments a counter whose final 32-bit value is written to the + * destination buffer on completion. This utility provides a simple way + * to keep the render engine busy for a set time for various tests. + */ +typedef void (*igt_media_spinfunc_t)(struct intel_batchbuffer *batch, + struct igt_buf *dst, uint32_t spins); + +igt_media_spinfunc_t igt_get_media_spinfunc(int devid); + #endif |