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authorBen Skeggs <bskeggs@redhat.com>2011-06-18 16:08:22 +1000
committerBen Skeggs <bskeggs@redhat.com>2011-09-20 16:02:46 +1000
commit95f0de3a0ae52bbe11f285ae46b5319bb2a2360d (patch)
treeca0139a3ad6804fb97c2bb79d561aed54c79d85d /drivers/gpu/drm/nouveau/nv50_grctx.c
parentcec2a270dbaafba7e2340e9489a5658c67960962 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_grctx.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_grctx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
index de9abff12b9..e04fb4483c5 100644
--- a/drivers/gpu/drm/nouveau/nv50_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -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 */