From 3f767e3d076dd2a24a614917c8f0b05d8d82b90b Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 26 Oct 2016 13:44:12 +0800 Subject: drm/amdgpu: just not load smc firmware if smu is already running MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rex Zhu Acked-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 1c3b5c411ef7..f1baf6715b05 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -2207,6 +2207,11 @@ static int ci_upload_firmware(struct amdgpu_device *adev) struct ci_power_info *pi = ci_get_pi(adev); int i, ret; + if (amdgpu_ci_is_smc_running(adev)) { + DRM_INFO("smc is running, no need to load smc firmware\n"); + return 0; + } + for (i = 0; i < adev->usec_timeout; i++) { if (RREG32_SMC(ixRCU_UC_EVENTS) & RCU_UC_EVENTS__boot_seq_done_MASK) break; @@ -5275,8 +5280,6 @@ static int ci_dpm_enable(struct amdgpu_device *adev) struct amdgpu_ps *boot_ps = adev->pm.dpm.boot_ps; int ret; - if (amdgpu_ci_is_smc_running(adev)) - return -EINVAL; if (pi->voltage_control != CISLANDS_VOLTAGE_CONTROL_NONE) { ci_enable_voltage_control(adev); ret = ci_construct_voltage_tables(adev); -- cgit v1.2.3