diff options
| author | Alyssa Rosenzweig <[email protected]> | 2019-11-19 21:21:19 -0500 |
|---|---|---|
| committer | Tomeu Vizoso <[email protected]> | 2019-11-22 05:07:19 +0000 |
| commit | 68c2c7962a98673a2c589cc88ad19791a8d47cfd (patch) | |
| tree | dcbb63ec383590287b5fd28ac75895787196c7ea /src/panfrost/midgard/midgard_quirks.h | |
| parent | d32d4acf681ba685e770f409b81d34b4ec9f8a62 (diff) | |
pan/midgard: Describe quirk MIDGARD_BROKEN_LOD
Corresponds to errata #10471, applies to T6xx and T720. Fixed in T760.
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Reviewed-by: Tomeu Vizoso <[email protected]>
Diffstat (limited to 'src/panfrost/midgard/midgard_quirks.h')
| -rw-r--r-- | src/panfrost/midgard/midgard_quirks.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/panfrost/midgard/midgard_quirks.h b/src/panfrost/midgard/midgard_quirks.h index d076605a3db..359d45dbdde 100644 --- a/src/panfrost/midgard/midgard_quirks.h +++ b/src/panfrost/midgard/midgard_quirks.h @@ -48,17 +48,28 @@ #define MIDGARD_OLD_BLEND (1 << 2) +/* Errata causing the LOD clamps and bias in the sampler descriptor to be + * ignored. This errata affects the command stream but uses a compiler + * workaround (applying the clamps/bias manually in the shader. Corresponds in + * BASE_HW_ISSUE_10471 in kbase, described as "TEXGRD doesn't honor Sampler + * Descriptor LOD clamps nor bias". (I'm assuming TEXGRD is what we call + * textureLod) */ + +#define MIDGARD_BROKEN_LOD (1 << 3) + static inline unsigned midgard_get_quirks(unsigned gpu_id) { switch (gpu_id) { case 0x600: case 0x620: - return MIDGARD_OLD_BLEND; + return MIDGARD_OLD_BLEND | + MIDGARD_BROKEN_LOD; case 0x720: return MIDGARD_INTERPIPE_REG_ALIASING | - MIDGARD_OLD_BLEND; + MIDGARD_OLD_BLEND | + MIDGARD_BROKEN_LOD; case 0x820: case 0x830: |