From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 14 Mar 2017 18:42:03 +0000 (-0400)
Subject: drm/radeon/si: add dpm quirk for Oland
X-Git-Tag: v3.18.89~46
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bcc81fd8f24d964a3ea58e065fe3aad2b6942f1;p=thirdparty%2Fkernel%2Fstable.git

drm/radeon/si: add dpm quirk for Oland


[ Upstream commit 0f424de1fd9bc4ab24bd1fe5430ab5618e803e31 ]

OLAND 0x1002:0x6604 0x1028:0x066F 0x00 seems to have problems
with higher sclks.

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: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index e684508d51888..e54d26e54c374 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2988,6 +2988,12 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
 			max_sclk = 75000;
 			max_mclk = 80000;
 		}
+	} else if (rdev->family == CHIP_OLAND) {
+		if ((rdev->pdev->device == 0x6604) &&
+		    (rdev->pdev->subsystem_vendor == 0x1028) &&
+		    (rdev->pdev->subsystem_device == 0x066F)) {
+			max_sclk = 75000;
+		}
 	}
 	/* Apply dpm quirks */
 	while (p && p->chip_device != 0) {