From d99605ead70efa0dc259c28f9b258184e2b3e77c Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Wed, 28 Mar 2018 16:27:56 +0800 Subject: drm/amdgpu/df: implement df v1_7 callback functions Signed-off-by: Hawking Zhang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/df_v1_7.c | 112 +++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/df_v1_7.c (limited to 'drivers/gpu/drm/amd/amdgpu/df_v1_7.c') diff --git a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c new file mode 100644 index 000000000000..4ffda996660f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c @@ -0,0 +1,112 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "amdgpu.h" +#include "df_v1_7.h" + +#include "df/df_1_7_default.h" +#include "df/df_1_7_offset.h" +#include "df/df_1_7_sh_mask.h" + +static u32 df_v1_7_channel_number[] = {1, 2, 0, 4, 0, 8, 0, 16, 2}; + +static void df_v1_7_init (struct amdgpu_device *adev) +{ +} + +static void df_v1_7_enable_broadcast_mode(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp; + + if (enable) { + tmp = RREG32_SOC15(DF, 0, mmFabricConfigAccessControl); + tmp &= ~FabricConfigAccessControl__CfgRegInstAccEn_MASK; + WREG32_SOC15(DF, 0, mmFabricConfigAccessControl, tmp); + } else + WREG32_SOC15(DF, 0, mmFabricConfigAccessControl, + mmFabricConfigAccessControl_DEFAULT); +} + +static u32 df_v1_7_get_fb_channel_number(struct amdgpu_device *adev) +{ + u32 tmp; + + tmp = RREG32_SOC15(DF, 0, mmDF_CS_AON0_DramBaseAddress0); + tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK; + tmp >>= DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; + + return tmp; +} + +static u32 df_v1_7_get_hbm_channel_number(struct amdgpu_device *adev) +{ + int fb_channel_number; + + fb_channel_number = adev->df_funcs->get_fb_channel_number(adev); + + return df_v1_7_channel_number[fb_channel_number]; +} + +static void df_v1_7_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp; + + /* Put DF on broadcast mode */ + adev->df_funcs->enable_broadcast_mode(adev, true); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DF_MGCG)) { + tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater); + tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; + tmp |= DF_V1_7_MGCG_ENABLE_15_CYCLE_DELAY; + WREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater, tmp); + } else { + tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater); + tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; + tmp |= DF_V1_7_MGCG_DISABLE; + WREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater, tmp); + } + + /* Exit boradcast mode */ + adev->df_funcs->enable_broadcast_mode(adev, false); +} + +static void df_v1_7_get_clockgating_state(struct amdgpu_device *adev, + u32 *flags) +{ + u32 tmp; + + /* AMD_CG_SUPPORT_DF_MGCG */ + tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater); + if (tmp & DF_V1_7_MGCG_ENABLE_15_CYCLE_DELAY) + *flags |= AMD_CG_SUPPORT_DF_MGCG; +} + +const struct amdgpu_df_funcs df_v1_7_funcs = { + .init = df_v1_7_init, + .enable_broadcast_mode = df_v1_7_enable_broadcast_mode, + .get_fb_channel_number = df_v1_7_get_fb_channel_number, + .get_hbm_channel_number = df_v1_7_get_hbm_channel_number, + .update_medium_grain_clock_gating = df_v1_7_update_medium_grain_clock_gating, + .get_clockgating_state = df_v1_7_get_clockgating_state, +}; -- cgit From 1ca2393b7373d5b0e5a356124fb10fc97e143e88 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 10 May 2018 15:06:55 -0500 Subject: drm/amdgpu: add a df 1.7 implementation of enable_ecc_force_par_wr_rmw Needed for proper memory setup depending on whether ECC is enabled on a particular board. Reviewed-by: Hawking Zhang Reviewed-by: Junwei Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/df_v1_7.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/df_v1_7.c') diff --git a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c index 4ffda996660f..9935371db7ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v1_7.c @@ -102,6 +102,13 @@ static void df_v1_7_get_clockgating_state(struct amdgpu_device *adev, *flags |= AMD_CG_SUPPORT_DF_MGCG; } +static void df_v1_7_enable_ecc_force_par_wr_rmw(struct amdgpu_device *adev, + bool enable) +{ + WREG32_FIELD15(DF, 0, DF_CS_AON0_CoherentSlaveModeCtrlA0, + ForceParWrRMW, enable); +} + const struct amdgpu_df_funcs df_v1_7_funcs = { .init = df_v1_7_init, .enable_broadcast_mode = df_v1_7_enable_broadcast_mode, @@ -109,4 +116,5 @@ const struct amdgpu_df_funcs df_v1_7_funcs = { .get_hbm_channel_number = df_v1_7_get_hbm_channel_number, .update_medium_grain_clock_gating = df_v1_7_update_medium_grain_clock_gating, .get_clockgating_state = df_v1_7_get_clockgating_state, + .enable_ecc_force_par_wr_rmw = df_v1_7_enable_ecc_force_par_wr_rmw, }; -- cgit