nouveau/ws: set GPU object class

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>

src/nouveau/winsys/nouveau_device.c

@@ -10,62 +10,109 @@
 #include "util/os_misc.h"
 
 static uint8_t
-sm_for_chipset(uint16_t chipset)
+cls_for_chipset(uint16_t chipset)
 {
    if (chipset >= 0x180)
-      return 0x90;
+      assert(!"unknown chipset");
    else if (chipset == 0x17b)
-      return 0x87;
+      return 0xc7;
    else if (chipset >= 0x172)
-      return 0x86;
+      return 0xc6;
    else if (chipset >= 0x170)
-      return 0x80;
+      return 0xc5;
    else if (chipset >= 0x160)
-      return 0x75;
-   else if (chipset >= 0x14b)
-      return 0x72;
+      return 0xc4;
    else if (chipset >= 0x140)
-      return 0x70;
-   else if (chipset >= 0x13b)
-      return 0x62;
+      return 0xc3;
    else if (chipset >= 0x132)
-      return 0x61;
+      return 0xc1;
    else if (chipset >= 0x130)
-      return 0x60;
-   else if (chipset >= 0x12b)
-      return 0x53;
+      return 0xc0;
    else if (chipset >= 0x120)
-      return 0x52;
+      return 0xb1;
    else if (chipset >= 0x110)
-      return 0x50;
-   // TODO: 0x37
+      return 0xb0;
    else if (chipset >= 0x0f0)
-      return 0x35;
+      return 0xa2;
    else if (chipset >= 0x0ea)
-      return 0x32;
+      return 0xa1;
    else if (chipset >= 0x0e0)
-      return 0x30;
-   // GF110 is SM20
+      return 0xa0;
+   // GF110 is like GF100
    else if (chipset == 0x0c8)
-      return 0x20;
+      return 0x90;
    else if (chipset >= 0x0c1)
-      return 0x21;
+      return 0x91;
    else if (chipset >= 0x0c0)
-      return 0x20;
+      return 0x90;
    else if (chipset >= 0x0a3)
-      return 0x12;
-   // GT200 is SM13
+      return 0x85;
+   // GT200 is special
    else if (chipset >= 0x0a0)
-      return 0x13;
-   else if (chipset >= 0x080)
-      return 0x11;
-   // this has to be == because 0x63 is older than 0x50 and has no compute
+      return 0x86;
+   else if (chipset >= 0x082)
+      return 0x82;
+   // this has to be == because 0x63 is older than 0x50
    else if (chipset == 0x050)
-      return 0x10;
-   // no compute
+      return 0x50;
+   else if (chipset >= 0x044)
+      return 0x44;
+   else if (chipset >= 0x040)
+      return 0x40;
+   else if (chipset >= 0x036)
+      return 0x36;
+   else if (chipset >= 0x020)
+      return 0x20;
    return 0x00;
 }
 
+static uint8_t
+sm_for_cls(uint8_t cls, uint16_t chipset)
+{
+   switch (cls) {
+   case 0xc7:
+      return 0x87;
+   case 0xc6:
+      return 0x86;
+   case 0xc5:
+      return 0x80;
+   case 0xc4:
+      return 0x75;
+   case 0xc3:
+      return chipset >= 0x14b ? 0x72 : 0x70;
+   case 0xc1:
+      // TODO maybe that's 0xc2?
+      return chipset >= 0x13b ? 0x62 : 0x61;
+   case 0xc0:
+      return 0x60;
+   case 0xb1:
+      // TODO is there a 0xb2?
+      return chipset >= 0x12b ? 0x53 : 0x52;
+   case 0xb0:
+      return 0x50;
+   case 0xa2:
+      return 0x35;
+   case 0xa1:
+      return 0x31;
+   case 0xa0:
+      return 0x30;
+   case 0x91:
+      return 0x21;
+   case 0x90:
+      return 0x20;
+   case 0x86:
+      return 0x13;
+   case 0x85:
+      return 0x12;
+   case 0x82:
+      return 0x11;
+   case 0x50:
+      return 0x10;
+   default:
+      return 0;
+   }
+}
+
 struct nouveau_ws_device *
 nouveau_ws_device_new(int fd)
 {
@@ -94,7 +141,8 @@ nouveau_ws_device_new(int fd)
    device->base.vendor_id = 0x10de;
    device->base.device_id = device_id;
    device->base.chipset = dev->chipset;
-   device->base.sm = sm_for_chipset(dev->chipset);
+   device->base.cls = cls_for_chipset(dev->chipset);
+   device->base.cm = sm_for_cls(device->base.cls, dev->chipset);
    device->base.vram_size = dev->vram_size;
    os_get_available_system_memory(&device->base.gart_size);
    device->base.gart_size = MIN2(device->base.gart_size, dev->gart_size);

src/nouveau/winsys/nouveau_device.h

@@ -9,8 +9,10 @@ struct nouveau_ws_device {
    uint16_t vendor_id;
    uint16_t device_id;
    uint32_t chipset;
+   /* first byte of class id */
+   uint8_t cls;
    /* maps to CUDAs Compute capability version */
-   uint8_t sm;
+   uint8_t cm;
    uint64_t vram_size;
    uint64_t gart_size;
    bool is_integrated;