From 1ca2393b7373d5b0e5a356124fb10fc97e143e88 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 10 May 2018 15:06:55 -0500 Subject: [PATCH] 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(+) 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, }; -- 2.30.2