diff options
Diffstat (limited to 'meta-steppeeagle/recipes-kernel/linux/linux-yocto/0024-yocto-amd-drm-radeon-don-t-power-gate-paused-UVD-streams.patch')
| -rw-r--r-- | meta-steppeeagle/recipes-kernel/linux/linux-yocto/0024-yocto-amd-drm-radeon-don-t-power-gate-paused-UVD-streams.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0024-yocto-amd-drm-radeon-don-t-power-gate-paused-UVD-streams.patch b/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0024-yocto-amd-drm-radeon-don-t-power-gate-paused-UVD-streams.patch new file mode 100644 index 00000000..8beb11e7 --- /dev/null +++ b/meta-steppeeagle/recipes-kernel/linux/linux-yocto/0024-yocto-amd-drm-radeon-don-t-power-gate-paused-UVD-streams.patch @@ -0,0 +1,45 @@ +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 + |