etnaviv: Put HALTI level in specs

The HALTI level is an indication of the gross architecture of the GPU.
It determines for significant part what feature level the GPU has, what
state (especially frontend state) is there, and where it is located.

Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

diff --git a/src/gallium/drivers/etnaviv/etnaviv_internal.h b/src/gallium/drivers/etnaviv/etnaviv_internal.h
index 707a1e0773c49e51649ce5e3ef1529edb78117a2..48dd5bf324aa4fa00b9430eeafae6c1b17d2f7ed 100644 (file)
--- a/src/gallium/drivers/etnaviv/etnaviv_internal.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_internal.h
@@ -60,6 +60,8 @@
 
 /* GPU chip 3D specs */
 struct etna_specs {
+   /* HALTI (gross architecture) level. -1 for pre-HALTI. */
+   int halti : 8;
    /* supports SUPERTILE (64x64) tiling? */
    unsigned can_supertile : 1;
    /* needs z=(z+w)/2, for older GCxxx */

diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index cea59ea4f82d201539c81857643e1e2678a11f38..51cb513c1a7c27648de09d27d206b1896eb777b5 100644 (file)
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -690,6 +690,27 @@ etna_get_specs(struct etna_screen *screen)
    }
    screen->specs.num_constants = val;
 
+   /* Figure out gross GPU architecture. See rnndb/common.xml for a specific
+    * description of the differences. */
+   if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI5))
+      screen->specs.halti = 5; /* New GC7000/GC8x00  */
+   else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI4))
+      screen->specs.halti = 4; /* Old GC7000/GC7400 */
+   else if (VIV_FEATURE(screen, chipMinorFeatures5, HALTI3))
+      screen->specs.halti = 3; /* None? */
+   else if (VIV_FEATURE(screen, chipMinorFeatures4, HALTI2))
+      screen->specs.halti = 2; /* GC2500/GC3000/GC5000/GC6400 */
+   else if (VIV_FEATURE(screen, chipMinorFeatures2, HALTI1))
+      screen->specs.halti = 1; /* GC900/GC4000/GC7000UL */
+   else if (VIV_FEATURE(screen, chipMinorFeatures1, HALTI0))
+      screen->specs.halti = 0; /* GC880/GC2000/GC7000TM */
+   else
+      screen->specs.halti = -1; /* GC7000nanolite / pre-GC2000 except GC880 */
+   if (screen->specs.halti >= 0)
+      DBG("etnaviv: GPU arch: HALTI%d\n", screen->specs.halti);
+   else
+      DBG("etnaviv: GPU arch: pre-HALTI\n");
+
    screen->specs.can_supertile =
       VIV_FEATURE(screen, chipMinorFeatures0, SUPER_TILED);
    screen->specs.bits_per_tile =