Add I915_EXEC_NUMBER_BB_* to drm_i915_gem_execbuffer2.flags which allows submitting N BBs per IOCTL.
Cc: Tvrtko Ursulin tvrtko.ursulin@intel.com Cc: Tony Ye tony.ye@intel.com CC: Carl Zhang carl.zhang@intel.com Cc: Daniel Vetter daniel.vetter@intel.com Cc: Jason Ekstrand jason@jlekstrand.net Signed-off-by: Matthew Brost matthew.brost@intel.com --- include/uapi/drm/i915_drm.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 0175b12b33b8..d3072cad4a7e 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1291,7 +1291,26 @@ struct drm_i915_gem_execbuffer2 { */ #define I915_EXEC_USE_EXTENSIONS (1 << 21)
-#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_USE_EXTENSIONS << 1)) +/* + * Number of BB in execbuf2 IOCTL - 1, used to submit more than BB in a single + * execbuf2 IOCTL. + * + * Return -EINVAL if more than 1 BB (value 0) is specified if + * I915_CONTEXT_ENGINES_EXT_PARALLEL_SUBMIT hasn't been called on the gem + * context first. Also returns -EINVAL if gem context has been setup with + * I915_PARALLEL_NO_PREEMPT_MID_BATCH and the number BBs not equal to the total + * number hardware contexts in the gem context. + */ +#define I915_EXEC_NUMBER_BB_LSB (22) +#define I915_EXEC_NUMBER_BB_MASK (0x3f << I915_EXEC_NUMBER_BB_LSB) +#define I915_EXEC_NUMBER_BB_MSB (27) +#define i915_execbuffer2_set_number_bb(eb2, num_bb) \ + (eb2).flags = ((eb2).flags & ~I915_EXEC_NUMBER_BB_MASK) | \ + (((num_bb - 1) << I915_EXEC_NUMBER_BB_LSB) & I915_EXEC_NUMBER_BB_MASK) +#define i915_execbuffer2_get_number_bb(eb2) \ + ((((eb2).flags & I915_EXEC_NUMBER_BB_MASK) >> I915_EXEC_NUMBER_BB_LSB) + 1) + +#define __I915_EXEC_UNKNOWN_FLAGS (-(1 << (I915_EXEC_NUMBER_BB_MSB + 1)))
#define I915_EXEC_CONTEXT_ID_MASK (0xffffffff) #define i915_execbuffer2_set_context_id(eb2, context) \