diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2019-02-12 13:28:13 +0100 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2019-02-20 00:00:00 +0100 |
| commit | 8bf2d348bd549b7ebbcd894aa8afa0a407beb081 (patch) | |
| tree | 336f7ed485a63bf8038b57a7d15b07bd0e6d0f72 /drivers/gpu/drm/nouveau/nvkm/engine/gr | |
| parent | drm/nouveau/gr/gf100-: move fecs discover_zcull_image_size into a function (diff) | |
| download | linux-8bf2d348bd549b7ebbcd894aa8afa0a407beb081.tar.xz linux-8bf2d348bd549b7ebbcd894aa8afa0a407beb081.zip | |
drm/nouveau/gr/gf100-: move fecs discover_pm_image_size into a function
Makes the code somewhat less magic.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h | 1 |
2 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 b5eecc6707b4..28dae3bf5f0f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -716,6 +716,22 @@ gf100_gr_pack_mmio[] = { ******************************************************************************/ static int +gf100_gr_fecs_discover_pm_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, 0x00000025); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + +static int gf100_gr_fecs_discover_zcull_image_size(struct gf100_gr *gr, u32 *psize) { struct nvkm_device *device = gr->base.engine.subdev.device; @@ -1579,14 +1595,10 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) if (ret) return ret; - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x00000000); - nvkm_wr32(device, 0x409504, 0x00000025); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; + /* Determine how much memory is required to store PerfMon image. */ + ret = gf100_gr_fecs_discover_pm_image_size(gr, &gr->size_pm); + if (ret) + return ret; if (device->chipset >= 0xe0) { nvkm_wr32(device, 0x409800, 0x00000000); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h index 81bdf658b5cd..8fda19073614 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h @@ -129,6 +129,7 @@ struct gf100_gr { u32 size; u32 *data; u32 size_zcull; + u32 size_pm; }; int gf100_gr_ctor(const struct gf100_gr_func *, struct nvkm_device *, |