[PATCH 003/138] drm/amd/powerplay: add firmware loading interface

[Huang Rui]

This patch adds firmware loading interface for smu.

Signed-off-by: Huang Rui <ray.hu...@amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c     | 6 ++++++
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c      | 6 ++++++
 3 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c 
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 247cd63..afdef54 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -96,6 +96,12 @@ static int smu_hw_init(void *handle)
        if (adev->asic_type < CHIP_VEGA20)
                return -EINVAL;
 
+       if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+               ret = smu_load_microcode(smu);
+               if (ret)
+                       return ret;
+       }
+
        mutex_lock(&smu->mutex);
 
        /* TODO */
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h 
b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index f655224..ab1deb5 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -35,10 +35,13 @@ struct smu_context
 struct smu_funcs
 {
        int (*init_microcode)(struct smu_context *smu);
+       int (*load_microcode)(struct smu_context *smu);
 };
 
 #define smu_init_microcode(smu) \
        ((smu)->funcs->init_microcode ? (smu)->funcs->init_microcode((smu)) : 0)
+#define smu_load_microcode(smu) \
+       ((smu)->funcs->load_microcode ? (smu)->funcs->load_microcode((smu)) : 0)
 
 extern const struct amd_ip_funcs smu_ip_funcs;
 
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c 
b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 7fafc67..c50c8cb 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -32,8 +32,14 @@ static int smu_v11_0_init_microcode(struct smu_context *smu)
        return 0;
 }
 
+static int smu_v11_0_load_microcode(struct smu_context *smu)
+{
+       return 0;
+}
+
 static const struct smu_funcs smu_v11_0_funcs = {
        .init_microcode = smu_v11_0_init_microcode,
+       .load_microcode = smu_v11_0_load_microcode,
 };
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)
-- 
2.7.4

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