From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Mon, 13 Feb 2017 10:00:43 +0000 (+0800)
Subject: drm/amdgpu/gfx9: allow updating sck slowdown and cp pg state
X-Git-Tag: v4.13-rc1~45^2~24^2~243
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5897c99e5c8ab88103d205c5c019508ad7952363;p=platform%2Fkernel%2Flinux-exynos.git

drm/amdgpu/gfx9: allow updating sck slowdown and cp pg state

More stuff for gfx pg.

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

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index c8f236d..8e0f7e68 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3399,6 +3399,27 @@ static const struct amdgpu_rlc_funcs gfx_v9_0_rlc_funcs = {
 static int gfx_v9_0_set_powergating_state(void *handle,
 					  enum amd_powergating_state state)
 {
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	switch (adev->asic_type) {
+	case CHIP_RAVEN:
+		if (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS) {
+			gfx_v9_0_enable_sck_slow_down_on_power_up(adev, true);
+			gfx_v9_0_enable_sck_slow_down_on_power_down(adev, true);
+		} else {
+			gfx_v9_0_enable_sck_slow_down_on_power_up(adev, false);
+			gfx_v9_0_enable_sck_slow_down_on_power_down(adev, false);
+		}
+
+		if (adev->pg_flags & AMD_PG_SUPPORT_CP)
+			gfx_v9_0_enable_cp_power_gating(adev, true);
+		else
+			gfx_v9_0_enable_cp_power_gating(adev, false);
+		break;
+	default:
+		break;
+	}
+
 	return 0;
 }