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Patch "drm/radeon/si_dpm: Limit clocks on HD86xx part" has been added to the 4.8-stable tree

PATCH [email protected] 1 participant 1 message Nov 9, 2016

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

drm/radeon/si_dpm: Limit clocks on HD86xx part

to the 4.8-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-limit-clocks-on-hd86xx-part.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From fb9a5b0c1c9893db2e0d18544fd49e19d784a87d Mon Sep 17 00:00:00 2001

From: Tom St Denis <[email protected]>
Date: Thu, 13 Oct 2016 12:38:07 -0400
Subject: drm/radeon/si_dpm: Limit clocks on HD86xx part

From: Tom St Denis <[email protected]>

commit fb9a5b0c1c9893db2e0d18544fd49e19d784a87d upstream.

Limit clocks on a specific HD86xx part to avoid
crashes (while awaiting an appropriate PP fix).

---
 drivers/gpu/drm/radeon/si_dpm.c |    6 ++++++
 1 file changed, 6 insertions(+)
drivers/gpu/drm/radeon/si_dpm.c +6 -0
@@ -3021,6 +3021,12 @@ static void si_apply_state_adjust_rules(
 		max_sclk = 75000;
 		max_mclk = 80000;
 	}
+	/* limit clocks on HD8600 series */
+	if (rdev->pdev->device == 0x6660 &&
+	    rdev->pdev->revision == 0x83) {
+		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 [email protected] are

queue-4.8/drm-radeon-si_dpm-limit-clocks-on-hd86xx-part.patch