diff options
author | Marek Olšák <marek.olsak@amd.com> | 2018-03-07 11:36:26 -0500 |
---|---|---|
committer | Marek Olšák <marek.olsak@amd.com> | 2018-03-08 14:58:16 -0500 |
commit | 35cd86d4e999149dcb51585c0e2a3a50a74c7bcb (patch) | |
tree | d5146172430f300de937b5bdc4ad9a22a5a4378a /src/gallium | |
parent | 75c5d25f0f34cd70246ee1b0b77a75ec82dfcecb (diff) |
radeonsi: expand constbuf 0 address correctly to fix Vega10 hangs
This is only required with the latest libdrm.
This fixes 32-bit support with high addresses.
(and possibly 64-bit support too because the high bits need to be masked out)
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index fa7a19cb3ac..95258b74f73 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -2427,12 +2427,25 @@ static LLVMValueRef fetch_constant( * addresses generates horrible VALU code with very high * VGPR usage and very low SIMD occupancy. */ - ptr = LLVMBuildPtrToInt(ctx->ac.builder, ptr, ctx->i64, ""); - ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ctx->v2i32, ""); + ptr = LLVMBuildPtrToInt(ctx->ac.builder, ptr, ctx->ac.intptr, ""); + + LLVMValueRef desc0, desc1; + if (HAVE_32BIT_POINTERS) { + desc0 = ptr; + desc1 = LLVMConstInt(ctx->i32, + S_008F04_BASE_ADDRESS_HI(ctx->screen->info.address32_hi), 0); + } else { + ptr = LLVMBuildBitCast(ctx->ac.builder, ptr, ctx->v2i32, ""); + desc0 = LLVMBuildExtractElement(ctx->ac.builder, ptr, ctx->i32_0, ""); + desc1 = LLVMBuildExtractElement(ctx->ac.builder, ptr, ctx->i32_1, ""); + /* Mask out all bits except BASE_ADDRESS_HI. */ + desc1 = LLVMBuildAnd(ctx->ac.builder, desc1, + LLVMConstInt(ctx->i32, ~C_008F04_BASE_ADDRESS_HI, 0), ""); + } LLVMValueRef desc_elems[] = { - LLVMBuildExtractElement(ctx->ac.builder, ptr, ctx->i32_0, ""), - LLVMBuildExtractElement(ctx->ac.builder, ptr, ctx->i32_1, ""), + desc0, + desc1, LLVMConstInt(ctx->i32, (sel->info.const_file_max[0] + 1) * 16, 0), LLVMConstInt(ctx->i32, S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) | |