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Commit 95f0de3a authored by Ben Skeggs's avatar Ben Skeggs
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drm/nv50/gr: insert set/clr of a ctxprog flag at start/end of ctxprog 



The set will be replaced with a wait on the same flag by a subsequent
commit in order to halt a ctxprog's execution temporarily.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent cec2a270

drivers/gpu/drm/nouveau/nv50_grctx.c

+6 −0
Original line number Diff line number Diff line
@@ -40,6 +40,9 @@ 
#define CP_FLAG_UNK0B                 ((0 * 32) + 0xb)

#define CP_FLAG_UNK0B_CLEAR           0

#define CP_FLAG_UNK0B_SET             1

#define CP_FLAG_STATE                 ((0 * 32) + 0x1c)

#define CP_FLAG_STATE_STOPPED         0

#define CP_FLAG_STATE_RUNNING         1

#define CP_FLAG_UNK1D                 ((0 * 32) + 0x1d)

#define CP_FLAG_UNK1D_CLEAR           0

#define CP_FLAG_UNK1D_SET             1
@@ -194,6 +197,8 @@ nv50_grctx_init(struct nouveau_grctx *ctx) 
				   "the devs.\n");

		return -ENOSYS;

	}



	cp_set (ctx, STATE, RUNNING);

	/* decide whether we're loading/unloading the context */

	cp_bra (ctx, AUTO_SAVE, PENDING, cp_setup_save);

	cp_bra (ctx, USER_SAVE, PENDING, cp_setup_save);
@@ -260,6 +265,7 @@ nv50_grctx_init(struct nouveau_grctx *ctx) 
	cp_name(ctx, cp_exit);

	cp_set (ctx, USER_SAVE, NOT_PENDING);

	cp_set (ctx, USER_LOAD, NOT_PENDING);

	cp_set (ctx, STATE, STOPPED);

	cp_out (ctx, CP_END);

	ctx->ctxvals_pos += 0x400; /* padding... no idea why you need it */