Commit 7d3f0688 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

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



Makes the code somewhat less magic.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 0b89ca0d

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c

+20 −8
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h

+1 −0
Original line number Diff line number Diff line
@@ -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 *,