From 1cec61e441ad5b4b1ac8d1abcaa7535bc1827eb3 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <skeggsb@gmail.com>
Date: Thu, 13 Mar 2008 18:08:22 +1100
Subject: nouveau: NV9X is basically a G80, fix issue with NV6X being detected
 as G80.

---
 src/gallium/drivers/nv50/nv50_screen.c           | 29 +++++++++++-----
 src/gallium/winsys/dri/nouveau/nouveau_context.c | 42 ++++++++++++++++++++----
 src/gallium/winsys/dri/nouveau/nouveau_winsys.c  |  1 +
 3 files changed, 57 insertions(+), 15 deletions(-)

diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index 62c23c790c..721c6421d1 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -6,8 +6,9 @@
 
 #include "nouveau/nouveau_stateobj.h"
 
-#define GRCLASS5097_CHIPSETS 0x00000000
-#define GRCLASS8297_CHIPSETS 0x00000010
+#define NV5X_GRCLASS5097_CHIPSETS 0x00000001
+#define NV8X_GRCLASS8297_CHIPSETS 0x00000010
+#define NV9X_GRCLASS8297_CHIPSETS 0x00000004
 
 static boolean
 nv50_screen_is_format_supported(struct pipe_screen *pscreen,
@@ -117,12 +118,24 @@ nv50_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws,
 		return NULL;
 	}
 
-	if (GRCLASS5097_CHIPSETS & (1 << (chipset & 0x0f))) {
-		tesla_class = 0x5097;
-	} else
-	if (GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f))) {
-		tesla_class = 0x8297;
-	} else {
+	switch (chipset & 0xf0) {
+	case 0x50:
+		if (NV5X_GRCLASS5097_CHIPSETS & (1 << (chipset & 0x0f)))
+			tesla_class = 0x5097;
+		break;
+	case 0x80:
+		if (NV8X_GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f)))
+			tesla_class = 0x8297;
+		break;
+	case 0x90:
+		if (NV9X_GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f)))
+			tesla_class = 0x8297;
+		break;
+	default:
+		break;
+	}
+
+	if (tesla_class == 0) {
 		NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset);
 		nv50_screen_destroy(&screen->pipe);
 		return NULL;
diff --git a/src/gallium/winsys/dri/nouveau/nouveau_context.c b/src/gallium/winsys/dri/nouveau/nouveau_context.c
index 8dac08a5d2..8b20b3689c 100644
--- a/src/gallium/winsys/dri/nouveau/nouveau_context.c
+++ b/src/gallium/winsys/dri/nouveau/nouveau_context.c
@@ -75,6 +75,7 @@ nouveau_channel_context_create(struct nouveau_device *nvdev, unsigned chipset)
 	switch (chipset & 0xf0) {
 	case 0x50:
 	case 0x80:
+	case 0x90:
 		ret = nouveau_surface_channel_create_nv50(nvc);
 		break;
 	default:
@@ -109,6 +110,7 @@ nouveau_context_create(const __GLcontextModes *glVis,
 		st_share = ((struct nouveau_context *)sharedContextPrivate)->st;
 	}
 
+	/* Check for supported arch */
 	if ((ret = nouveau_device_get_param(nv_screen->device,
 					    NOUVEAU_GETPARAM_CHIPSET_ID,
 					    &nv->chipset))) {
@@ -116,6 +118,22 @@ nouveau_context_create(const __GLcontextModes *glVis,
 		return GL_FALSE;
 	}
 
+	switch (nv->chipset & 0xf0) {
+	case 0x30:
+		/* NV30 */
+	case 0x40:
+	case 0x60:
+		/* NV40 */
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		/* G80 */
+		break;
+	default:
+		NOUVEAU_ERR("Unsupported chipset: NV%02x\n", nv->chipset);
+		return GL_FALSE;
+	}
+
 	driContextPriv->driverPrivate = (void *)nv;
 	nv->nv_screen  = nv_screen;
 	nv->dri_screen = driScrnPriv;
@@ -176,10 +194,15 @@ nouveau_context_create(const __GLcontextModes *glVis,
 		}
 	}
 
-	/*XXX: temporary - disable multi-context/single-channel on non-NV4x */
+	/*XXX: temporary - disable multi-context/single-channel on pre-NV4x */
 	switch (nv->chipset & 0xf0) {
 	case 0x40:
 	case 0x60:
+		/* NV40 class */
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		/* G80 class */
 		break;
 	default:
 		nvc = NULL;
@@ -215,12 +238,17 @@ nouveau_context_create(const __GLcontextModes *glVis,
 	}
 
 	/* Create pipe */
-	if (nv->chipset < 0x50)
-		ret = nouveau_surface_init_nv04(nv);
-	else
-		ret = nouveau_surface_init_nv50(nv);
-	if (ret) {
-		return GL_FALSE;
+	switch (nv->chipset & 0xf0) {
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		if (nouveau_surface_init_nv50(nv))
+			return GL_FALSE;
+		break;
+	default:
+		if (nouveau_surface_init_nv04(nv))
+			return GL_FALSE;
+		break;
 	}
 
 	if (!getenv("NOUVEAU_FORCE_SOFTPIPE")) {
diff --git a/src/gallium/winsys/dri/nouveau/nouveau_winsys.c b/src/gallium/winsys/dri/nouveau/nouveau_winsys.c
index dc7c4c3d71..64e84fb68e 100644
--- a/src/gallium/winsys/dri/nouveau/nouveau_winsys.c
+++ b/src/gallium/winsys/dri/nouveau/nouveau_winsys.c
@@ -93,6 +93,7 @@ nouveau_pipe_create(struct nouveau_context *nv)
 		break;
 	case 0x50:
 	case 0x80:
+	case 0x90:
 		hws_create = nv50_screen_create;
 		hw_create = nv50_create;
 		break;
-- 
cgit v1.2.3