From f30df435ac6136787e65646881e62f12df2d71f6 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 28 Aug 2013 18:46:01 -0400 Subject: [PATCH] drm/radeon/dpm: only need to reprogram uvd if uvd pg is enabled MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Avoid needless uvd reprogramming if uvd powergating is disabled. Signed-off-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/radeon/kv_dpm.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index a102077..15a6f67 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1491,17 +1491,20 @@ void kv_dpm_powergate_uvd(struct radeon_device *rdev, bool gate) pi->uvd_power_gated = gate; if (gate) { - uvd_v1_0_stop(rdev); - cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, false); + if (pi->caps_uvd_pg) { + uvd_v1_0_stop(rdev); + cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, false); + } kv_update_uvd_dpm(rdev, gate); if (pi->caps_uvd_pg) kv_notify_message_to_smu(rdev, PPSMC_MSG_UVDPowerOFF); } else { - if (pi->caps_uvd_pg) + if (pi->caps_uvd_pg) { kv_notify_message_to_smu(rdev, PPSMC_MSG_UVDPowerON); - uvd_v4_2_resume(rdev); - uvd_v1_0_start(rdev); - cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, true); + uvd_v4_2_resume(rdev); + uvd_v1_0_start(rdev); + cik_update_cg(rdev, RADEON_CG_BLOCK_UVD, true); + } kv_update_uvd_dpm(rdev, gate); } } -- 2.7.4