drm/amd/powerplay: add interface to notify memory pool location (v2)

This patch adds interface to notify memory pool location for smu.
It's to use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify pool
location.

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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 4f61ee9..e0a5597 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -262,6 +262,14 @@ static int smu_hw_init(void *handle)
        if (ret)
                goto failed;
 
+       /*
+        * Use msg SetSystemVirtualDramAddr and DramLogSetDramAddr can notify
+        * pool location.
+        */
+       ret = smu_notify_memory_pool_location(smu);
+       if (ret)
+               goto failed;
+
        mutex_unlock(&smu->mutex);
 
        pr_info("SMU is initialized successfully!\n");

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 213c0bc..46f0d17 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -48,6 +48,7 @@ struct smu_funcs
        int (*write_pptable)(struct smu_context *smu);
        int (*set_min_dcef_deep_sleep)(struct smu_context *smu);
        int (*set_tool_table_location)(struct smu_context *smu);
+       int (*notify_memory_pool_location)(struct smu_context *smu);
 };
 
 #define smu_init_microcode(smu) \
@@ -78,6 +79,8 @@ struct smu_funcs
        ((smu)->funcs->set_min_dcef_deep_sleep ? (smu)->funcs->set_min_dcef_deep_sleep((smu)) : 0)
 #define smu_set_tool_table_location(smu) \
        ((smu)->funcs->set_tool_table_location ? (smu)->funcs->set_tool_table_location((smu)) : 0)
+#define smu_notify_memory_pool_location(smu) \
+       ((smu)->funcs->notify_memory_pool_location ? (smu)->funcs->notify_memory_pool_location((smu)) : 0)
 
 
 extern const struct amd_ip_funcs smu_ip_funcs;