diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4660-drm-amdgpu-add-a-df-1.7-implementation-of-enable_ecc.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4660-drm-amdgpu-add-a-df-1.7-implementation-of-enable_ecc.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4660-drm-amdgpu-add-a-df-1.7-implementation-of-enable_ecc.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4660-drm-amdgpu-add-a-df-1.7-implementation-of-enable_ecc.patch new file mode 100644 index 00000000..b186bf56 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4660-drm-amdgpu-add-a-df-1.7-implementation-of-enable_ecc.patch @@ -0,0 +1,43 @@ +From 5c719823b691014064ccec9bf4276ac6aa3401c9 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 10 May 2018 15:06:55 -0500 +Subject: [PATCH 4660/5725] 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> +--- + 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 4ffda99..9935371 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, + }; +-- +2.7.4 + |