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panfrost: Add quirks for blend shader types

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Every hardware has its own set of what it can and can't do... let's
document it all as quirks so the lowering code is GPU-agnostic.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5265>
This commit is contained in:
Alyssa Rosenzweig 2020-05-13 12:15:28 -04:00 • committed by Marge Bot
parent 60d647f9de
commit e53d27de61
1 changed files with 24 additions and 3 deletions
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27
src/panfrost/include/panfrost-quirks.h
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@ -55,11 +55,26 @@
#define MIDGARD_SHADERLESS (1 << 5)
/* Whether this GPU lacks support for any typed stores in blend shader,
* requiring packing instead */
#define MIDGARD_NO_TYPED_BLEND_STORES (1 << 6)
/* Whether this GPU lacks support for any typed loads, requiring packing */
#define MIDGARD_NO_TYPED_BLEND_LOADS (1 << 7)
/* Lack support for colour pack/unpack opcodes */
#define NO_BLEND_PACKS (1 << 8)
/* Has some missing formats for typed loads */
#define MIDGARD_MISSING_LOADS (1 << 9)
/* Quirk collections common to particular uarchs */
#define MIDGARD_QUIRKS (MIDGARD_BROKEN_FP16 | HAS_SWIZZLES)
#define MIDGARD_QUIRKS (MIDGARD_BROKEN_FP16 | HAS_SWIZZLES \
| MIDGARD_NO_TYPED_BLEND_STORES \
| MIDGARD_MISSING_LOADS)
#define BIFROST_QUIRKS (IS_BIFROST)
#define BIFROST_QUIRKS (IS_BIFROST | NO_BLEND_PACKS)
static inline unsigned
panfrost_get_quirks(unsigned gpu_id)
@ -67,7 +82,9 @@ panfrost_get_quirks(unsigned gpu_id)
switch (gpu_id) {
case 0x600:
case 0x620:
return MIDGARD_QUIRKS | MIDGARD_SFBD;
return MIDGARD_QUIRKS | MIDGARD_SFBD
| MIDGARD_NO_TYPED_BLEND_LOADS
| NO_BLEND_PACKS;
case 0x720:
return MIDGARD_QUIRKS | MIDGARD_SFBD | MIDGARD_NO_HIER_TILING;
@ -77,6 +94,10 @@ panfrost_get_quirks(unsigned gpu_id)
return MIDGARD_QUIRKS | MIDGARD_NO_HIER_TILING;
case 0x750:
/* Someone should investigate the broken loads? */
return MIDGARD_QUIRKS | MIDGARD_NO_TYPED_BLEND_LOADS
| NO_BLEND_PACKS;
case 0x860:
case 0x880:
return MIDGARD_QUIRKS | MIDGARD_SHADERLESS;