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| author | Ben Skeggs <bskeggs@redhat.com> | 2019-02-12 15:28:13 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2019-02-20 01:59:59 +0300 |
| commit | 0b89ca0dc34446b473000f4bc2906a58876d78b0 (patch) | |
| tree | 7b8f007413c1308418097fbabb1d1fe3b8486eea | |
| parent | eb383e629c6f4e771e0d8869348f68de02c4a1a2 (diff) | |
| download | linux-0b89ca0dc34446b473000f4bc2906a58876d78b0.tar.xz | |
drm/nouveau/gr/gf100-: move fecs discover_image_size into a function
Makes the code somewhat less magic.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 05cdfb7d1f85..6c045f26260d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -715,6 +715,22 @@ gf100_gr_pack_mmio[] = { * PGRAPH engine/subdev functions ******************************************************************************/ +static int +gf100_gr_fecs_discover_image_size(struct gf100_gr *gr, u32 *psize) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, 0x00000000); + nvkm_wr32(device, 0x409504, 0x00000010); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + static void gf100_gr_fecs_set_watchdog_timeout(struct gf100_gr *gr, u32 timeout) { @@ -1497,6 +1513,7 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) struct nvkm_device *device = subdev->device; struct nvkm_secboot *sb = device->secboot; u32 secboot_mask = 0; + int ret; /* load fuc microcode */ nvkm_mc_unk260(device, 0); @@ -1536,14 +1553,10 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) gf100_gr_fecs_set_watchdog_timeout(gr, 0x7fffffff); - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x00000000); - nvkm_wr32(device, 0x409504, 0x00000010); - if (nvkm_msec(device, 2000, - if ((gr->size = nvkm_rd32(device, 0x409800))) - break; - ) < 0) - return -EBUSY; + /* Determine how much memory is required to store main context image. */ + ret = gf100_gr_fecs_discover_image_size(gr, &gr->size); + if (ret) + return ret; nvkm_wr32(device, 0x409840, 0xffffffff); nvkm_wr32(device, 0x409500, 0x00000000); |