1 /*
2 * Copyright 2022 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23 #include "amdgpu.h"
24 #include "df_v4_3.h"
25
26 #include "df/df_4_3_offset.h"
27 #include "df/df_4_3_sh_mask.h"
28
df_v4_3_query_ras_poison_mode(struct amdgpu_device * adev)29 static bool df_v4_3_query_ras_poison_mode(struct amdgpu_device *adev)
30 {
31 uint32_t hw_assert_msklo, hw_assert_mskhi;
32 uint32_t v0, v1, v28, v31;
33
34 hw_assert_msklo = RREG32_SOC15(DF, 0,
35 regDF_CS_UMC_AON0_HardwareAssertMaskLow);
36 hw_assert_mskhi = RREG32_SOC15(DF, 0,
37 regDF_NCS_PG0_HardwareAssertMaskHigh);
38
39 v0 = REG_GET_FIELD(hw_assert_msklo,
40 DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk0);
41 v1 = REG_GET_FIELD(hw_assert_msklo,
42 DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk1);
43 v28 = REG_GET_FIELD(hw_assert_mskhi,
44 DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk28);
45 v31 = REG_GET_FIELD(hw_assert_mskhi,
46 DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk31);
47
48 if (v0 && v1 && v28 && v31)
49 return true;
50 else if (!v0 && !v1 && !v28 && !v31)
51 return false;
52 else {
53 dev_warn(adev->dev, "DF poison setting is inconsistent(%d:%d:%d:%d)!\n",
54 v0, v1, v28, v31);
55 return false;
56 }
57 }
58
59 const struct amdgpu_df_funcs df_v4_3_funcs = {
60 .query_ras_poison_mode = df_v4_3_query_ras_poison_mode,
61 };
62