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[3.19.y-ckt,stable] Patch "drm/radeon/pm: update current crtc info after setting the powerstate" has been added to the 3.19.y-ckt tree

Message ID 1458157312-7424-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 16, 2016, 7:41 p.m. UTC
This is a note to let you know that I have just added a patch titled

    drm/radeon/pm: update current crtc info after setting the powerstate

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt17.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 05d323214315f23ef4f095bf26ec4b47798bb0b4 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 24 Feb 2016 17:38:38 -0500
Subject: drm/radeon/pm: update current crtc info after setting the powerstate
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit 5e031d9fe8b0741f11d49667dfc3ebf5454121fd upstream.

On CI, we need to see if the number of crtcs changes to determine
whether or not we need to upload the mclk table again.  In practice
we don't currently upload the mclk table again after the initial load.
The only reason you would would be to add new states, e.g., for
arbitrary mclk setting which is not currently supported.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[ kamal: backport to 4.2-stable: context ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--
2.7.0
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Patch

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 5fc27e9..c28e400 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -939,10 +939,6 @@  force:
 	/* update displays */
 	radeon_dpm_display_configuration_changed(rdev);

-	rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
-	rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
-	rdev->pm.dpm.single_display = single_display;
-
 	/* wait for the rings to drain */
 	for (i = 0; i < RADEON_NUM_RINGS; i++) {
 		struct radeon_ring *ring = &rdev->ring[i];
@@ -958,6 +954,10 @@  force:

 	radeon_dpm_post_set_power_state(rdev);

+	rdev->pm.dpm.current_active_crtcs = rdev->pm.dpm.new_active_crtcs;
+	rdev->pm.dpm.current_active_crtc_count = rdev->pm.dpm.new_active_crtc_count;
+	rdev->pm.dpm.single_display = single_display;
+
 	if (rdev->asic->dpm.force_performance_level) {
 		if (rdev->pm.dpm.thermal_active) {
 			enum radeon_dpm_forced_level level = rdev->pm.dpm.forced_level;