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[3.13.y-ckt,stable] Patch "drm/radeon/pm: update current crtc info after setting the powerstate" has been added to the 3.13.y-ckt tree

Message ID 1458680548-22895-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 22, 2016, 9:02 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-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt37.

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

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 23c54d6030fde253b5903f4c772f33524460472f 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 3.13-stable ]
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/gpu/drm/radeon/radeon_pm.c | 6 +++---
 1 file changed, 3 insertions(+), 3 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 7d3b2d8..6f2914c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -918,9 +918,6 @@  static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
 	/* 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;
-
 	/* wait for the rings to drain */
 	for (i = 0; i < RADEON_NUM_RINGS; i++) {
 		struct radeon_ring *ring = &rdev->ring[i];
@@ -936,6 +933,9 @@  static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)

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