drm/amdgpu: add interface amdgpu_gfx_init_spm_golden for Navi1x

On Navi1x, the SPM golden settings are lost after GFXOFF
enter/exit, so reconfiguration is needed. Make the
configuration code as an interface for future use.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h

@@ -216,6 +216,7 @@ struct amdgpu_gfx_funcs {
 	int (*ras_error_inject)(struct amdgpu_device *adev, void *inject_if);
 	int (*query_ras_error_count) (struct amdgpu_device *adev, void *ras_error_status);
 	void (*reset_ras_error_count) (struct amdgpu_device *adev);
+	void (*init_spm_golden)(struct amdgpu_device *adev);
 };
 
 struct sq_work {
@@ -324,6 +325,7 @@ struct amdgpu_gfx {
 #define amdgpu_gfx_get_gpu_clock_counter(adev) (adev)->gfx.funcs->get_gpu_clock_counter((adev))
 #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance))
 #define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q, vmid) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q), (vmid))
+#define amdgpu_gfx_init_spm_golden(adev) (adev)->gfx.funcs->init_spm_golden((adev))
 
 /**
  * amdgpu_gfx_create_bitmask - create a bitmask

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -3307,6 +3307,29 @@ static void gfx_v10_0_set_kiq_pm4_funcs(struct amdgpu_device *adev)
 	adev->gfx.kiq.pmf = &gfx_v10_0_kiq_pm4_funcs;
 }
 
+static void gfx_v10_0_init_spm_golden_registers(struct amdgpu_device *adev)
+{
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+		soc15_program_register_sequence(adev,
+						golden_settings_gc_rlc_spm_10_0_nv10,
+						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_0_nv10));
+		break;
+	case CHIP_NAVI14:
+		soc15_program_register_sequence(adev,
+						golden_settings_gc_rlc_spm_10_1_nv14,
+						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_nv14));
+		break;
+	case CHIP_NAVI12:
+		soc15_program_register_sequence(adev,
+						golden_settings_gc_rlc_spm_10_1_2_nv12,
+						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_2_nv12));
+		break;
+	default:
+		break;
+	}
+}
+
 static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
 {
 	switch (adev->asic_type) {
@@ -3317,9 +3340,6 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
 		soc15_program_register_sequence(adev,
 						golden_settings_gc_10_0_nv10,
 						(const u32)ARRAY_SIZE(golden_settings_gc_10_0_nv10));
-		soc15_program_register_sequence(adev,
-						golden_settings_gc_rlc_spm_10_0_nv10,
-						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_0_nv10));
 		break;
 	case CHIP_NAVI14:
 		soc15_program_register_sequence(adev,
@@ -3328,9 +3348,6 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
 		soc15_program_register_sequence(adev,
 						golden_settings_gc_10_1_nv14,
 						(const u32)ARRAY_SIZE(golden_settings_gc_10_1_nv14));
-		soc15_program_register_sequence(adev,
-						golden_settings_gc_rlc_spm_10_1_nv14,
-						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_nv14));
 		break;
 	case CHIP_NAVI12:
 		soc15_program_register_sequence(adev,
@@ -3339,9 +3356,6 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
 		soc15_program_register_sequence(adev,
 						golden_settings_gc_10_1_2_nv12,
 						(const u32)ARRAY_SIZE(golden_settings_gc_10_1_2_nv12));
-		soc15_program_register_sequence(adev,
-						golden_settings_gc_rlc_spm_10_1_2_nv12,
-						(const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_2_nv12));
 		break;
 	case CHIP_SIENNA_CICHLID:
 		soc15_program_register_sequence(adev,
@@ -3360,6 +3374,7 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
 	default:
 		break;
 	}
+	gfx_v10_0_init_spm_golden_registers(adev);
 }
 
 static void gfx_v10_0_scratch_init(struct amdgpu_device *adev)
@@ -4149,6 +4164,7 @@ static const struct amdgpu_gfx_funcs gfx_v10_0_gfx_funcs = {
 	.read_wave_sgprs = &gfx_v10_0_read_wave_sgprs,
 	.read_wave_vgprs = &gfx_v10_0_read_wave_vgprs,
 	.select_me_pipe_q = &gfx_v10_0_select_me_pipe_q,
+	.init_spm_golden = &gfx_v10_0_init_spm_golden_registers,
 };
 
 static void gfx_v10_0_gpu_early_init(struct amdgpu_device *adev)