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drm/nouveau/gr/gf100-: move fecs discover_zcull_image_size into a function

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Makes the code somewhat less magic.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2019-02-12 22:28:13 +10:00
parent 0b89ca0dc3
commit 7d3f06881d
2 changed files with 21 additions and 8 deletions
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28
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
View File

@ -715,6 +715,22 @@ gf100_gr_pack_mmio[] = {
* PGRAPH engine/subdev functions
******************************************************************************/
static int
gf100_gr_fecs_discover_zcull_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, 0x00000016);
nvkm_msec(device, 2000,
if ((*psize = nvkm_rd32(device, 0x409800)))
return 0;
);
return -ETIMEDOUT;
}
static int
gf100_gr_fecs_discover_image_size(struct gf100_gr *gr, u32 *psize)
{
@ -1558,14 +1574,10 @@ 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, 0x00000016);
if (nvkm_msec(device, 2000,
if (nvkm_rd32(device, 0x409800))
break;
) < 0)
return -EBUSY;
/* Determine how much memory is required to store ZCULL image. */
ret = gf100_gr_fecs_discover_zcull_image_size(gr, &gr->size_zcull);
if (ret)
return ret;
nvkm_wr32(device, 0x409840, 0xffffffff);
nvkm_wr32(device, 0x409500, 0x00000000);

1
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
View File

@ -128,6 +128,7 @@ struct gf100_gr {
struct gf100_gr_mmio mmio_list[4096/8];
u32 size;
u32 *data;
u32 size_zcull;
};
int gf100_gr_ctor(const struct gf100_gr_func *, struct nvkm_device *,