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Member "mesa-20.1.8/src/gallium/drivers/v3d/v3dx_job.c" (16 Sep 2020, 3304 Bytes) of package /linux/misc/mesa-20.1.8.tar.xz:


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    1 /*
    2  * Copyright © 2014-2017 Broadcom
    3  *
    4  * Permission is hereby granted, free of charge, to any person obtaining a
    5  * copy of this software and associated documentation files (the "Software"),
    6  * to deal in the Software without restriction, including without limitation
    7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    8  * and/or sell copies of the Software, and to permit persons to whom the
    9  * Software is furnished to do so, subject to the following conditions:
   10  *
   11  * The above copyright notice and this permission notice (including the next
   12  * paragraph) shall be included in all copies or substantial portions of the
   13  * Software.
   14  *
   15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   21  * IN THE SOFTWARE.
   22  */
   23 
   24 /** @file v3dx_job.c
   25  *
   26  * V3D version-specific functions for submitting VC5 render jobs to the
   27  * kernel.
   28  */
   29 
   30 #include "v3d_context.h"
   31 #include "broadcom/cle/v3dx_pack.h"
   32 
   33 void v3dX(bcl_epilogue)(struct v3d_context *v3d, struct v3d_job *job)
   34 {
   35                 v3d_cl_ensure_space_with_branch(&job->bcl,
   36                                                 cl_packet_length(PRIMITIVE_COUNTS_FEEDBACK) +
   37 #if V3D_VERSION >= 41
   38                                                 cl_packet_length(TRANSFORM_FEEDBACK_SPECS) +
   39 #endif
   40                                                 cl_packet_length(FLUSH));
   41 
   42                 if (job->tf_enabled) {
   43                         /* Write primitive counts to memory. */
   44                         assert(v3d->prim_counts);
   45                         struct v3d_resource *rsc =
   46                                 v3d_resource(v3d->prim_counts);
   47                         cl_emit(&job->bcl, PRIMITIVE_COUNTS_FEEDBACK, counter) {
   48                                 counter.address =
   49                                         cl_address(rsc->bo,
   50                                                    v3d->prim_counts_offset);
   51                                 counter.read_write_64byte = false;
   52                                 counter.op = 0;
   53                         }
   54                 }
   55 
   56                 /* Disable TF at the end of the CL, so that the TF block
   57                  * cleans up and finishes before it gets reset by the next
   58                  * frame's tile binning mode cfg packet. (SWVC5-718).
   59                  */
   60 #if V3D_VERSION >= 41
   61                 if (job->tf_enabled) {
   62                         cl_emit(&job->bcl, TRANSFORM_FEEDBACK_SPECS, tfe) {
   63                                 tfe.enable = false;
   64                         };
   65                 }
   66 #endif /* V3D_VERSION >= 41 */
   67 
   68                 /* We just FLUSH here to tell the HW to cap the bin CLs with a
   69                  * return.  Any remaining state changes won't be flushed to
   70                  * the bins first -- you would need FLUSH_ALL for that, but
   71                  * the HW for hasn't been validated
   72                  */
   73                 cl_emit(&job->bcl, FLUSH, flush);
   74 }