summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorRex Zhu <Rex.Zhu@amd.com>2018-09-29 20:28:14 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-10-09 17:08:10 -0500
commit9c8bc8d3394963c9bd4b5bcce03303c56dc3104b (patch)
treea4becd1b7617691c52d02a32366a9f258260dc47 /drivers/gpu
parent744a522794bdc64391039177153ef973cbff1297 (diff)
drm/amd/pp: Implement load_firmware interface
with this interface, gfx/sdma can be initialized before smu. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index b2ebcb1457b5..6bc8e9c08b0c 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -270,8 +270,23 @@ const struct amdgpu_ip_block_version pp_smu_ip_block =
.funcs = &pp_ip_funcs,
};
+/* This interface only be supported On Vi,
+ * because only smu7/8 can help to load gfx/sdma fw,
+ * smu need to be enabled before load other ip's fw.
+ * so call start smu to load smu7 fw and other ip's fw
+ */
static int pp_dpm_load_fw(void *handle)
{
+ struct pp_hwmgr *hwmgr = handle;
+
+ if (!hwmgr || !hwmgr->smumgr_funcs || !hwmgr->smumgr_funcs->start_smu)
+ return -EINVAL;
+
+ if (hwmgr->smumgr_funcs->start_smu(hwmgr)) {
+ pr_err("fw load failed\n");
+ return -EINVAL;
+ }
+
return 0;
}