diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_context.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c index 20da92a230b..2f19113e703 100644 --- a/src/gallium/drivers/panfrost/pan_context.c +++ b/src/gallium/drivers/panfrost/pan_context.c @@ -453,7 +453,15 @@ panfrost_default_shader_backend(struct panfrost_context *ctx) .unknown2_4 = MALI_NO_MSAA | 0x4e0, }; - /* unknown2_4 has 0x10 bit set on 32-bit T6XX */ + /* unknown2_4 has 0x10 bit set on T6XX. We don't know why this is + * required (independent of 32-bit/64-bit descriptors), or why it's not + * used on later GPU revisions. Otherwise, all shader jobs fault on + * these earlier chips (perhaps this is a chicken bit of some kind). + * More investigation is needed. */ + + if (ctx->is_t6xx) { + shader.unknown2_4 |= 0x10; + } struct pipe_stencil_state default_stencil = { .enabled = 0, |