From 47acb1ff9b12b7121a9f8d7589d9ad88dafa603c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 26 Aug 2013 09:43:24 -0400 Subject: [PATCH] drm/radeon/dpm: track uvd gated state for ci Track the current uvd gated state on CI to avoid unnecessary state changes when uvd is active. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/ci_dpm.c | 13 +++++++++++++ drivers/gpu/drm/radeon/ci_dpm.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 4ba1fd4..7a60689 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -681,6 +681,13 @@ static int ci_power_control_set_level(struct radeon_device *rdev) void ci_dpm_powergate_uvd(struct radeon_device *rdev, bool gate) { + struct ci_power_info *pi = ci_get_pi(rdev); + + if (pi->uvd_power_gated == gate) + return; + + pi->uvd_power_gated = gate; + ci_update_uvd_dpm(rdev, gate); } @@ -4620,6 +4627,8 @@ int ci_dpm_enable(struct radeon_device *rdev) ci_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true); + ci_dpm_powergate_uvd(rdev, true); + cik_update_cg(rdev, (RADEON_CG_BLOCK_GFX | RADEON_CG_BLOCK_MC | RADEON_CG_BLOCK_SDMA | @@ -4643,6 +4652,8 @@ void ci_dpm_disable(struct radeon_device *rdev) RADEON_CG_BLOCK_UVD | RADEON_CG_BLOCK_HDP), false); + ci_dpm_powergate_uvd(rdev, false); + if (!ci_is_smc_running(rdev)) return; @@ -5163,6 +5174,8 @@ int ci_dpm_init(struct radeon_device *rdev) pi->caps_dynamic_ac_timing = true; + pi->uvd_power_gated = false; + return 0; } diff --git a/drivers/gpu/drm/radeon/ci_dpm.h b/drivers/gpu/drm/radeon/ci_dpm.h index de504b5..93bbed9 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.h +++ b/drivers/gpu/drm/radeon/ci_dpm.h @@ -279,6 +279,7 @@ struct ci_power_info { bool enable_pkg_pwr_tracking_feature; bool use_pcie_performance_levels; bool use_pcie_powersaving_levels; + bool uvd_power_gated; /* driver states */ struct radeon_ps current_rps; struct ci_ps current_ps; -- 2.7.4