From 66822d815ae61ecb2d9dba9031517e8a8476969d Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 15 Mar 2017 21:11:46 -0400
Subject: [PATCH] drm/radeon: reinstate oland workaround for sclk
Higher sclks seem to be unstable on some boards.
bug: https://bugs.freedesktop.org/show_bug.cgi?id=100222
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/radeon/si_dpm.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 72e1588580a11..c7af9fdd20c72 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2985,9 +2985,13 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
max_sclk = 75000;
}
} else if (rdev->family == CHIP_OLAND) {
- if ((rdev->pdev->device == 0x6604) &&
- (rdev->pdev->subsystem_vendor == 0x1028) &&
- (rdev->pdev->subsystem_device == 0x066F)) {
+ if ((rdev->pdev->revision == 0xC7) ||
+ (rdev->pdev->revision == 0x80) ||
+ (rdev->pdev->revision == 0x81) ||
+ (rdev->pdev->revision == 0x83) ||
+ (rdev->pdev->revision == 0x87) ||
+ (rdev->pdev->device == 0x6604) ||
+ (rdev->pdev->device == 0x6605)) {
max_sclk = 75000;
}
}
--
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