Nouveau - Jul 2013 - [PATCH 3/3] drm/nv31/mpeg: don't recognize nv3x cards as having nv44 graph class

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 drivers/gpu/drm/nouveau/core/engine/graph/nv40.h   |  3 +++
 drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c | 10 ++--------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
index 7da35a4..ad82093 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
@@ -1,6 +1,9 @@
 #ifndef __NV40_GRAPH_H__
 #define __NV40_GRAPH_H__
 
+#include <core/device.h>
+#include <core/gpuobj.h>
+
 /* returns 1 if device is one of the nv4x using the 0x4497 object class,
  * helpful to determine a number of other hardware features
  */
diff --git a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
index 716bf41..b10a143 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/instmem/nv40.c
@@ -22,15 +22,9 @@
  * Authors: Ben Skeggs
  */
 
-#include "nv04.h"
+#include <engine/graph/nv40.h>
 
-static inline int
-nv44_graph_class(struct nv04_instmem_priv *priv)
-{
-	if ((nv_device(priv)->chipset & 0xf0) == 0x60)
-		return 1;
-	return !(0x0baf & (1 << (nv_device(priv)->chipset & 0x0f)));
-}
+#include "nv04.h"
 
 static int
 nv40_instmem_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
-- 
1.8.1.5

Looks like the rewrite in commit ebb945a94b ("drm/nouveau: port all
engines to new engine module format") missed that one little detail.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
index f7c581a..5d39b5a 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c
@@ -61,6 +61,8 @@ nv40_mpeg_context_ctor(struct nouveau_object *parent,
 	if (ret)
 		return ret;
 
+	nv_wo32(&chan->base.base, 0x78, 0x02001ec1);
+
 	return 0;
 }
 
-- 
1.8.1.5

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
index 9f7c7d5..c190043 100644
--- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
+++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
@@ -284,7 +284,10 @@ nv31_mpeg_init(struct nouveau_object *object)
 	/* PMPEG init */
 	nv_wr32(priv, 0x00b32c, 0x00000000);
 	nv_wr32(priv, 0x00b314, 0x00000100);
-	nv_wr32(priv, 0x00b220, nv44_graph_class(priv) ? 0x00000044 : 0x00000031);
+	if (nv_device(priv)->chipset >= 0x40 && nv44_graph_class(priv))
+		nv_wr32(priv, 0x00b220, 0x00000044);
+	else
+		nv_wr32(priv, 0x00b220, 0x00000031);
 	nv_wr32(priv, 0x00b300, 0x02001ec1);
 	nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
 
-- 
1.8.1.5

On 30/07/13 00:05, Ilia Mirkin wrote:
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
> ---
>  drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
> index 9f7c7d5..c190043 100644
> --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
> +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv31.c
> @@ -284,7 +284,10 @@ nv31_mpeg_init(struct nouveau_object *object)
>  	/* PMPEG init */
>  	nv_wr32(priv, 0x00b32c, 0x00000000);
>  	nv_wr32(priv, 0x00b314, 0x00000100);
> -	nv_wr32(priv, 0x00b220, nv44_graph_class(priv) ? 0x00000044 :
0x00000031);
> +	if (nv_device(priv)->chipset >= 0x40 &&
nv44_graph_class(priv))
> +		nv_wr32(priv, 0x00b220, 0x00000044);
> +	else
> +		nv_wr32(priv, 0x00b220, 0x00000031);
Might be a nitpicking too much, but I believe the check makes more sense
inside nv44_graph_class(), despite that this is the only nv3x context
that uses it

Emil
>  	nv_wr32(priv, 0x00b300, 0x02001ec1);
>  	nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
>  
>