drm/amdgpu: add RAS status reset for gfx_v9_4_3

Reset GFX RAS status registers.

v2: fix typo in title.
    remove xcp operation.
v3: change instance from 0 to xcc_id for register access.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index f178e3f..e6069d0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -3050,11 +3050,52 @@ static void gfx_v9_4_3_inst_query_ras_err_status(struct amdgpu_device *adev,
        gfx_v9_4_3_inst_query_utc_err_status(adev, xcc_id);
 }
 
+static void gfx_v9_4_3_inst_reset_utc_err_status(struct amdgpu_device *adev,
+                                       int xcc_id)
+{
+       WREG32_SOC15(GC, GET_INST(GC, xcc_id), regUTCL2_MEM_ECC_STATUS, 0x3);
+       WREG32_SOC15(GC, GET_INST(GC, xcc_id), regVML2_MEM_ECC_STATUS, 0x3);
+       WREG32_SOC15(GC, GET_INST(GC, xcc_id), regVML2_WALKER_MEM_ECC_STATUS, 0x3);
+}
+
+static void gfx_v9_4_3_inst_reset_ea_err_status(struct amdgpu_device *adev,
+                                       int xcc_id)
+{
+       uint32_t i, j;
+       uint32_t value;
+
+       mutex_lock(&adev->grbm_idx_mutex);
+       for (i = 0; i < gfx_v9_4_3_ea_err_status_regs.se_num; i++) {
+               for (j = 0; j < gfx_v9_4_3_ea_err_status_regs.instance; j++) {
+                       gfx_v9_4_3_xcc_select_se_sh(adev, i, 0, j, xcc_id);
+                       value = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regGCEA_ERR_STATUS);
+                       value = REG_SET_FIELD(value, GCEA_ERR_STATUS,
+                                               CLEAR_ERROR_STATUS, 0x1);
+                       WREG32_SOC15(GC, GET_INST(GC, xcc_id), regGCEA_ERR_STATUS, value);
+               }
+       }
+       gfx_v9_4_3_xcc_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff,
+                       xcc_id);
+       mutex_unlock(&adev->grbm_idx_mutex);
+}
+
+static void gfx_v9_4_3_inst_reset_ras_err_status(struct amdgpu_device *adev,
+                                       void *ras_error_status, int xcc_id)
+{
+       gfx_v9_4_3_inst_reset_utc_err_status(adev, xcc_id);
+       gfx_v9_4_3_inst_reset_ea_err_status(adev, xcc_id);
+}
+
 static void gfx_v9_4_3_query_ras_error_status(struct amdgpu_device *adev)
 {
        amdgpu_gfx_ras_error_func(adev, NULL, gfx_v9_4_3_inst_query_ras_err_status);
 }
 
+static void gfx_v9_4_3_reset_ras_error_status(struct amdgpu_device *adev)
+{
+       amdgpu_gfx_ras_error_func(adev, NULL, gfx_v9_4_3_inst_reset_ras_err_status);
+}
+
 static const struct amd_ip_funcs gfx_v9_4_3_ip_funcs = {
        .name = "gfx_v9_4_3",
        .early_init = gfx_v9_4_3_early_init,