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etnaviv: Put HALTI level in specs

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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>
This commit is contained in:
Wladimir J. van der Laan
2017-11-18 10:44:25 +01:00
committed by Lucas Stach
parent 391c958f08
commit 9f162fa107
2 changed files with 23 additions and 0 deletions
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2
src/gallium/drivers/etnaviv/etnaviv_internal.h
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@@ -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 */

21
src/gallium/drivers/etnaviv/etnaviv_screen.c
View File

@@ -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 =