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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-05-10 15:06:55 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-05-23 23:51:21 -0500 |
| commit | 1ca2393b7373d5b0e5a356124fb10fc97e143e88 (patch) | |
| tree | dcf0766763c83f2fe09d1f67f7833a9ea90c9be2 /drivers/gpu/drm/amd/amdgpu | |
| parent | 8f9b2e506129e6eb0d21d163f361dd68a050b974 (diff) | |
| download | linux-1ca2393b7373d5b0e5a356124fb10fc97e143e88.tar.bz2 | |
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 <Hawking.Zhang@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/df_v1_7.c | 8 |
1 files changed, 8 insertions, 0 deletions
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, }; |