From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 21 Nov 2017 17:10:57 +0000 (-0500)
Subject: drm/amdgpu: Add dpm quirk for Jet PRO (v2)
X-Git-Tag: v4.9.85~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cf7780a6b0d242e77d8432298087fc4833f3a6ec;p=platform%2Fkernel%2Flinux-amlogic.git

drm/amdgpu: Add dpm quirk for Jet PRO (v2)

commit f2e5262f75ecb40a6e56554e156a292ab9e1d1b7 upstream.

Fixes stability issues.

v2: clamp sclk to 600 Mhz

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=103370
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index 4cb347e88cf0..002862be2df6 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -3507,6 +3507,11 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev,
 			max_sclk = 75000;
 			max_mclk = 80000;
 		}
+		if ((adev->pdev->revision == 0xC3) ||
+		    (adev->pdev->device == 0x6665)) {
+			max_sclk = 60000;
+			max_mclk = 80000;
+		}
 	} else if (adev->asic_type == CHIP_OLAND) {
 		if ((adev->pdev->revision == 0xC7) ||
 		    (adev->pdev->revision == 0x80) ||