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drm/radeon/dpm: only need to reprogram uvd if uvd pg is enabled

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Avoid needless uvd reprogramming if uvd powergating is disabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher 2013-08-28 18:46:01 -04:00
parent a7f28f0f55
commit f30df435ac
1 changed files with 9 additions and 6 deletions
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15
drivers/gpu/drm/radeon/kv_dpm.c
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@ -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);
}
}