Patch "drm/radeon/si/dpm: add workaround for for Jet parts" has been added to the 4.7-stable tree

Patch "drm/radeon/si/dpm: add workaround for for Jet parts" has been added to the 4.7-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/radeon/si/dpm: add workaround for for Jet parts

to the 4.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-radeon-si-dpm-add-workaround-for-for-jet-parts.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 26 Sep 2016 15:32:50 -0400
Subject: drm/radeon/si/dpm: add workaround for for Jet parts

From: Alex Deucher <alexander.deucher@amd.com>

commit 670bb4fd21c966d0d2a59ad4a99bb4889f9a2987 upstream.

Add clock quirks for Jet parts.

Reviewed-by: Sonny Jiang <sonny.jiang@amd.com>
Tested-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/radeon/si_dpm.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -3015,6 +3015,12 @@ static void si_apply_state_adjust_rules(
 	if (rdev->pdev->device == 0x6811 &&
 	    rdev->pdev->revision == 0x81)
 		max_mclk = 120000;
+	/* limit sclk/mclk on Jet parts for stability */
+	if (rdev->pdev->device == 0x6665 &&
+	    rdev->pdev->revision == 0xc3) {
+		max_sclk = 75000;
+		max_mclk = 80000;
+	}
 
 	if (rps->vce_active) {
 		rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk;


Patches currently in stable-queue which might be from alexander.deucher@amd.com are

queue-4.7/drm-radeon-si-dpm-add-workaround-for-for-jet-parts.patch