From 95f0de3a0ae52bbe11f285ae46b5319bb2a2360d Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sat, 18 Jun 2011 16:08:22 +1000 Subject: [PATCH] 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 --- drivers/gpu/drm/nouveau/nv50_grctx.c | 6 ++++++ 1 file changed, 6 insertions(+) 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 */ -- 2.46.0