nv50: simplify tesla object selection

GeForce 8/9 are a bit more consistent than nv40 so far, so this was
overkill before.

diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index d0348ec..2980564 100644 (file)
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -29,10 +29,6 @@
 
 #include "nouveau/nouveau_stateobj.h"
 
-#define NV5X_GRCLASS5097_CHIPSETS 0x00000001
-#define NV8X_GRCLASS8297_CHIPSETS 0x00000050
-#define NV9X_GRCLASS8297_CHIPSETS 0x00000014
-
 static boolean
 nv50_screen_is_format_supported(struct pipe_screen *pscreen,
                                enum pipe_format format,
@@ -190,27 +186,21 @@ nv50_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
        }
 
        /* 3D object */
-       if ((chipset & 0xf0) != 0x50 && (chipset & 0xf0) != 0x80) {
-               NOUVEAU_ERR("Not a G8x chipset\n");
-               nv50_screen_destroy(&screen->pipe);
-               return NULL;
-       }
-
        switch (chipset & 0xf0) {
        case 0x50:
-               if (NV5X_GRCLASS5097_CHIPSETS & (1 << (chipset & 0x0f)))
-                       tesla_class = 0x5097;
+               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;
+               tesla_class = 0x8297;
                break;
-       default:
+       case 0xa0:
+               tesla_class = 0x8397;
                break;
+       default:
+               NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", chipset);
+               nv50_screen_destroy(&screen->pipe);
+               return NULL;
        }
 
        if (tesla_class == 0) {