The patch below does not apply to the 4.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 66822d815ae61ecb2d9dba9031517e8a8476969d Mon Sep 17 00:00:00 2001 From: Alex Deucher <alexander.deucher@xxxxxxx> 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@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 72e1588580a1..c7af9fdd20c7 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; } }