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From 6101c0c2405071230e28d1f878e6232ca0a9ee24 Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Tue, 4 Dec 2018 21:57:05 +0800
Subject: [PATCH 1344/2940] drm/amd/powerplay: add interface to write pptable
(v2)
This patch adds interface to write pptable for smu.
It's to copy pptable bo in the vram to smc with SMU MSGs such as
SetDriverDramAddr and TransferTableDram2Smu.
v2: add detailed info to describe this function
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 8 ++++++++
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 519682541cae..747b6b7a7675 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -192,6 +192,14 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
if (ret)
return ret;
+ /*
+ * Copy pptable bo in the vram to smc with SMU MSGs such as
+ * SetDriverDramAddr and TransferTableDram2Smu.
+ */
+ ret = smu_write_pptable(smu);
+ if (ret)
+ return ret;
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 95252653a665..e7e9fecbb086 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -45,6 +45,7 @@ struct smu_funcs
int (*parse_pptable)(struct smu_context *smu);
int (*populate_smc_pptable)(struct smu_context *smu);
int (*check_fw_version)(struct smu_context *smu);
+ int (*write_pptable)(struct smu_context *smu);
};
#define smu_init_microcode(smu) \
@@ -69,6 +70,8 @@ struct smu_funcs
((smu)->funcs->populate_smc_pptable ? (smu)->funcs->populate_smc_pptable((smu)) : 0)
#define smu_check_fw_version(smu) \
((smu)->funcs->check_fw_version ? (smu)->funcs->check_fw_version((smu)) : 0)
+#define smu_write_pptable(smu) \
+ ((smu)->funcs->write_pptable ? (smu)->funcs->write_pptable((smu)) : 0)
extern const struct amd_ip_funcs smu_ip_funcs;
--
2.17.1
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