From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 13 Jun 2018 19:30:40 +0800
Subject: drm/amdgpu: Split set_pg_state into separate function
Git-commit: c9f96fd5063150dce7e71ecc508989f5ff055039
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
1. add amdgpu_device_ip_late_set_pg_state function for
set pg state.
2. delete duplicate pg state setting on gfx_v8_0's late_init.
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 33 ++++++++++++++++++++++++-----
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 ---
2 files changed, 28 insertions(+), 9 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1730,12 +1730,34 @@ static int amdgpu_device_ip_late_set_cg_
}
}
- if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
- /* enable gfx powergating */
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_PG_STATE_GATE);
+ return 0;
+}
+
+static int amdgpu_device_ip_late_set_pg_state(struct amdgpu_device *adev)
+{
+ int i = 0, r;
+
+ if (amdgpu_emu_mode == 1)
+ return 0;
+ for (i = 0; i < adev->num_ip_blocks; i++) {
+ if (!adev->ip_blocks[i].status.valid)
+ continue;
+ /* skip CG for VCE/UVD, it's handled specially */
+ if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
+ adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
+ adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
+ adev->ip_blocks[i].version->funcs->set_powergating_state) {
+ /* enable powergating to save power */
+ r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev,
+ AMD_PG_STATE_GATE);
+ if (r) {
+ DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n",
+ adev->ip_blocks[i].version->funcs->name, r);
+ return r;
+ }
+ }
+ }
return 0;
}
@@ -1898,6 +1920,7 @@ static void amdgpu_device_ip_late_init_f
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, late_init_work.work);
amdgpu_device_ip_late_set_cg_state(adev);
+ amdgpu_device_ip_late_set_pg_state(adev);
}
/**
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5596,10 +5596,6 @@ static int gfx_v8_0_late_init(void *hand
return r;
}
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_PG_STATE_GATE);
-
return 0;
}