From c4e0dbcb201a79639e5e74f456d8313893a259f5 Mon Sep 17 00:00:00 2001 From: Kevin Wang Date: Mon, 27 Jul 2020 09:08:22 +0800 Subject: [PATCH] drm/amd/swsmu: allow asic to handle sensor type by itself 1. allow asic to handle sensor type by itself. 2. if not, use smu common sensor to handle it. Signed-off-by: Kevin Wang Reviewed-by: Kenneth Feng Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 2da72f333ad9..8c624f1f33ba 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1947,6 +1947,10 @@ int smu_read_sensor(struct smu_context *smu, mutex_lock(&smu->mutex); + if (smu->ppt_funcs->read_sensor) + if (!smu->ppt_funcs->read_sensor(smu, sensor, data, size)) + goto unlock; + switch (sensor) { case AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK: *((uint32_t *)data) = pstate_table->gfxclk_pstate.standard * 100; @@ -1977,11 +1981,12 @@ int smu_read_sensor(struct smu_context *smu, *size = 4; break; default: - if (smu->ppt_funcs->read_sensor) - ret = smu->ppt_funcs->read_sensor(smu, sensor, data, size); + *size = 0; + ret = -EOPNOTSUPP; break; } +unlock: mutex_unlock(&smu->mutex); return ret;