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path: root/drivers/gpu/drm/nouveau/nv50_grctx.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_grctx.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_grctx.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
index d105fcd42ca0..546b31949a30 100644
--- a/drivers/gpu/drm/nouveau/nv50_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -64,6 +64,9 @@
#define CP_FLAG_ALWAYS ((2 * 32) + 13)
#define CP_FLAG_ALWAYS_FALSE 0
#define CP_FLAG_ALWAYS_TRUE 1
+#define CP_FLAG_INTR ((2 * 32) + 15)
+#define CP_FLAG_INTR_NOT_PENDING 0
+#define CP_FLAG_INTR_PENDING 1
#define CP_CTX 0x00100000
#define CP_CTX_COUNT 0x000f0000
@@ -214,6 +217,8 @@ nv50_grctx_init(struct nouveau_grctx *ctx)
cp_name(ctx, cp_setup_save);
cp_set (ctx, UNK1D, SET);
cp_wait(ctx, STATUS, BUSY);
+ cp_wait(ctx, INTR, PENDING);
+ cp_bra (ctx, STATUS, BUSY, cp_setup_save);
cp_set (ctx, UNK01, SET);
cp_set (ctx, SWAP_DIRECTION, SAVE);
@@ -269,7 +274,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
int offset, base;
uint32_t units = nv_rd32 (ctx->dev, 0x1540);
- /* 0800 */
+ /* 0800: DISPATCH */
cp_ctx(ctx, 0x400808, 7);
gr_def(ctx, 0x400814, 0x00000030);
cp_ctx(ctx, 0x400834, 0x32);
@@ -300,7 +305,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
gr_def(ctx, 0x400b20, 0x0001629d);
}
- /* 0C00 */
+ /* 0C00: VFETCH */
cp_ctx(ctx, 0x400c08, 0x2);
gr_def(ctx, 0x400c08, 0x0000fe0c);
@@ -326,7 +331,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
cp_ctx(ctx, 0x401540, 0x5);
gr_def(ctx, 0x401550, 0x00001018);
- /* 1800 */
+ /* 1800: STREAMOUT */
cp_ctx(ctx, 0x401814, 0x1);
gr_def(ctx, 0x401814, 0x000000ff);
if (dev_priv->chipset == 0x50) {
@@ -641,7 +646,7 @@ nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
if (dev_priv->chipset == 0x50)
cp_ctx(ctx, 0x4063e0, 0x1);
- /* 6800 */
+ /* 6800: M2MF */
if (dev_priv->chipset < 0x90) {
cp_ctx(ctx, 0x406814, 0x2b);
gr_def(ctx, 0x406818, 0x00000f80);
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