From 35cd86d4e999149dcb51585c0e2a3a50a74c7bcb Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Wed, 7 Mar 2018 11:36:26 -0500 Subject: [PATCH] radeonsi: expand constbuf 0 address correctly to fix Vega10 hangs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Acked-by: Alex Deucher --- src/gallium/drivers/radeonsi/si_shader.c | 21 +++++++++++++++++---- 1 file 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) | -- 2.11.0