[PATCH 02/30] drm/amd/powerplay: add SW SMU interface for dumping pptable out (v2)

[Alex Deucher]

From: Evan Quan <evan.quan at amd.com>

This is especially useful in early bring up phase.

v2: disabled by default (Alex)

Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Le Ma <Le.Ma at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c     | 2 ++
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 +++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 974472015487..c45fa2fb4da9 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1064,6 +1064,8 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
 			return ret;
 	}
 
+	/* smu_dump_pptable(smu); */
+
 	/*
 	 * Copy pptable bo in the vram to smc with SMU MSGs such as
 	 * SetDriverDramAddr and TransferTableDram2Smu.
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index ac9e9d5d8a5c..519aeac706a5 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -446,6 +446,7 @@ struct pptable_funcs {
 	int (*get_uclk_dpm_states)(struct smu_context *smu, uint32_t *clocks_in_khz, uint32_t *num_states);
 	int (*set_default_od_settings)(struct smu_context *smu, bool initialize);
 	int (*set_performance_level)(struct smu_context *smu, enum amd_dpm_forced_level level);
+	void (*dump_pptable)(struct smu_context *smu);
 };
 
 struct smu_funcs
@@ -737,7 +738,8 @@ struct smu_funcs
 	((smu)->funcs->baco_reset? (smu)->funcs->baco_reset((smu)) : 0)
 #define smu_asic_set_performance_level(smu, level) \
 	((smu)->ppt_funcs->set_performance_level? (smu)->ppt_funcs->set_performance_level((smu), (level)) : -EINVAL);
-
+#define smu_dump_pptable(smu) \
+	((smu)->ppt_funcs->dump_pptable ? (smu)->ppt_funcs->dump_pptable((smu)) : 0)
 
 extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
 				   uint16_t *size, uint8_t *frev, uint8_t *crev,
-- 
2.20.1