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Commit 96854823 authored by Christoph Bumiller's avatar Christoph Bumiller Committed by Ben Skeggs
Browse files

drm/nvc0/gr: add software methods to control some MP regs 



Signed-off-by: default avatarChristoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 7e22e71e

drivers/gpu/drm/nouveau/core/engine/software/nvc0.c

+29 −0
Original line number Diff line number Diff line
@@ -94,6 +94,32 @@ nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd, 
	return -EINVAL;

}



static int

nvc0_software_mthd_mp_control(struct nouveau_object *object, u32 mthd,

                              void *args, u32 size)

{

	struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);

	struct nvc0_software_priv *priv = (void *)nv_object(chan)->engine;

	u32 data = *(u32 *)args;



	switch (mthd) {

	case 0x600:

		nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */

		break;

	case 0x644:

		if (data & ~0x1ffffe)

			return -EINVAL;

		nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */

		break;

	case 0x6ac:

		nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */

		break;

	default:

		return -EINVAL;

	}

	return 0;

}



static struct nouveau_omthds

nvc0_software_omthds[] = {

	{ 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
@@ -101,6 +127,9 @@ nvc0_software_omthds[] = { 
	{ 0x0408, 0x0408, nvc0_software_mthd_vblsem_value },

	{ 0x040c, 0x040c, nvc0_software_mthd_vblsem_release },

	{ 0x0500, 0x0500, nvc0_software_mthd_flip },

	{ 0x0600, 0x0600, nvc0_software_mthd_mp_control },

	{ 0x0644, 0x0644, nvc0_software_mthd_mp_control },

	{ 0x06ac, 0x06ac, nvc0_software_mthd_mp_control },

	{}

};