diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atom.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/atom.c | 53 |
1 files changed, 51 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c index a0346a90d805..1b50e6c13fb3 100644 --- a/drivers/gpu/drm/amd/amdgpu/atom.c +++ b/drivers/gpu/drm/amd/amdgpu/atom.c @@ -685,6 +685,27 @@ static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg) } } +static void atom_op_div32(atom_exec_context *ctx, int *ptr, int arg) +{ + uint64_t val64; + uint8_t attr = U8((*ptr)++); + uint32_t dst, src; + SDEBUG(" src1: "); + dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); + SDEBUG(" src2: "); + src = atom_get_src(ctx, attr, ptr); + if (src != 0) { + val64 = dst; + val64 |= ((uint64_t)ctx->ctx->divmul[1]) << 32; + do_div(val64, src); + ctx->ctx->divmul[0] = lower_32_bits(val64); + ctx->ctx->divmul[1] = upper_32_bits(val64); + } else { + ctx->ctx->divmul[0] = 0; + ctx->ctx->divmul[1] = 0; + } +} + static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg) { /* functionally, a nop */ @@ -788,6 +809,20 @@ static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg) ctx->ctx->divmul[0] = dst * src; } +static void atom_op_mul32(atom_exec_context *ctx, int *ptr, int arg) +{ + uint64_t val64; + uint8_t attr = U8((*ptr)++); + uint32_t dst, src; + SDEBUG(" src1: "); + dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1); + SDEBUG(" src2: "); + src = atom_get_src(ctx, attr, ptr); + val64 = (uint64_t)dst * (uint64_t)src; + ctx->ctx->divmul[0] = lower_32_bits(val64); + ctx->ctx->divmul[1] = upper_32_bits(val64); +} + static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg) { /* nothing */ @@ -1022,7 +1057,15 @@ static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg) static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg) { - printk(KERN_INFO "unimplemented!\n"); + uint8_t val = U8((*ptr)++); + SDEBUG("DEBUG output: 0x%02X\n", val); +} + +static void atom_op_processds(atom_exec_context *ctx, int *ptr, int arg) +{ + uint16_t val = U16(*ptr); + (*ptr) += val + 2; + SDEBUG("PROCESSDS output: 0x%02X\n", val); } static struct { @@ -1151,7 +1194,13 @@ static struct { atom_op_shr, ATOM_ARG_FB}, { atom_op_shr, ATOM_ARG_PLL}, { atom_op_shr, ATOM_ARG_MC}, { -atom_op_debug, 0},}; + atom_op_debug, 0}, { + atom_op_processds, 0}, { + atom_op_mul32, ATOM_ARG_PS}, { + atom_op_mul32, ATOM_ARG_WS}, { + atom_op_div32, ATOM_ARG_PS}, { + atom_op_div32, ATOM_ARG_WS}, +}; static int amdgpu_atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params) { |