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author | Ben Skeggs <bskeggs@redhat.com> | 2011-06-18 10:08:22 +0400 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2011-09-20 10:02:46 +0400 |
commit | 95f0de3a0ae52bbe11f285ae46b5319bb2a2360d (patch) | |
tree | ca0139a3ad6804fb97c2bb79d561aed54c79d85d /drivers/gpu/drm/nouveau/nv50_grctx.c | |
parent | cec2a270dbaafba7e2340e9489a5658c67960962 (diff) | |
download | linux-95f0de3a0ae52bbe11f285ae46b5319bb2a2360d.tar.xz |
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.c | 6 |
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 de9abff12b90..e04fb4483c5e 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 */ |