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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: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-06-18 16:08:22 +10:00
parent cec2a270db
commit 95f0de3a0a
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/nouveau/nv50_grctx.c
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@ -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 */