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From 3859d5619f1fb0cbe5107aacf0e0ddedde8262f1 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 13 Jun 2018 19:30:40 +0800
Subject: [PATCH 4812/5725] drm/amdgpu: Split set_pg_state into separate
function
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>
---
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(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 5a815cf..41cff36 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1780,12 +1780,34 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev)
}
}
- 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;
}
@@ -1947,6 +1969,7 @@ static void amdgpu_device_ip_late_init_func_handler(struct work_struct *work)
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);
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index f9c7247d..92bda71 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5595,10 +5595,6 @@ static int gfx_v8_0_late_init(void *handle)
return r;
}
- amdgpu_device_ip_set_powergating_state(adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_PG_STATE_GATE);
-
return 0;
}
--
2.7.4
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