drivers/gpu/drm/nouveau/dispnv50/crcc57d.c

   1 // SPDX-License-Identifier: MIT
   2
   3 #include "crc.h"
   4 #include "crcc37d.h"
   5 #include "core.h"
   6 #include "disp.h"
   7 #include "head.h"
   8
   9 #include <nvif/pushc37b.h>
  10
  11 #include <nvhw/class/clc57d.h>
  12
  13 static int crcc57d_set_src(struct nv50_head *head, int or, enum nv50_crc_source_type source,
  14                            struct nv50_crc_notifier_ctx *ctx)
  15 {
  16         struct nvif_push *push = &nv50_disp(head->base.base.dev)->core->chan.push;
  17         const int i = head->base.index;
  18         u32 crc_args = NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CONTROLLING_CHANNEL, CORE) |
  19                        NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, EXPECT_BUFFER_COLLAPSE, FALSE) |
  20                        NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, SECONDARY_CRC, NONE) |
  21                        NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, CRC_DURING_SNOOZE, DISABLE);
  22         int ret;
  23
  24         switch (source) {
  25         case NV50_CRC_SOURCE_TYPE_SOR:
  26                 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SOR(or));
  27                 break;
  28         case NV50_CRC_SOURCE_TYPE_SF:
  29                 crc_args |= NVDEF(NVC57D, HEAD_SET_CRC_CONTROL, PRIMARY_CRC, SF);
  30                 break;
  31         default:
  32                 break;
  33         }
  34
  35         ret = PUSH_WAIT(push, 4);
  36         if (ret)
  37                 return ret;
  38
  39         if (source) {
  40                 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), ctx->ntfy.handle);
  41                 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), crc_args);
  42         } else {
  43                 PUSH_MTHD(push, NVC57D, HEAD_SET_CRC_CONTROL(i), 0);
  44                 PUSH_MTHD(push, NVC57D, HEAD_SET_CONTEXT_DMA_CRC(i), 0);
  45         }
  46
  47         return 0;
  48 }
  49
  50 const struct nv50_crc_func crcc57d = {
  51         .set_src = crcc57d_set_src,
  52         .set_ctx = crcc37d_set_ctx,
  53         .get_entry = crcc37d_get_entry,
  54         .ctx_finished = crcc37d_ctx_finished,
  55         .flip_threshold = CRCC37D_FLIP_THRESHOLD,
  56         .num_entries = CRCC37D_MAX_ENTRIES,
  57         .notifier_len = sizeof(struct crcc37d_notifier),
  58 };