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From e273f124b346f1fcbf3c363ae3224344988d07de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 10 Jan 2014 06:59:40 -0700
Subject: [PATCH 24/44] drm/radeon: don't power gate paused UVD streams
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/radeon/radeon_pm.c | 4 ++++
drivers/gpu/drm/radeon/radeon_uvd.c | 2 ++
2 files changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 4f6b7fc..41ca652 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -938,6 +938,10 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable)
if (rdev->asic->dpm.powergate_uvd) {
mutex_lock(&rdev->pm.mutex);
+ /* don't powergate anything if we
+ have active but pause streams */
+ enable |= rdev->pm.dpm.sd > 0;
+ enable |= rdev->pm.dpm.hd > 0;
/* enable/disable UVD */
radeon_dpm_powergate_uvd(rdev, !enable);
mutex_unlock(&rdev->pm.mutex);
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 2b502b4..1b5970a 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -782,6 +782,8 @@ static void radeon_uvd_idle_work_handler(struct work_struct *work)
if (radeon_fence_count_emitted(rdev, R600_RING_TYPE_UVD_INDEX) == 0) {
if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
+ radeon_uvd_count_handles(rdev, &rdev->pm.dpm.sd,
+ &rdev->pm.dpm.hd);
radeon_dpm_enable_uvd(rdev, false);
} else {
radeon_set_uvd_clocks(rdev, 0, 0);
--
1.7.9.5
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