From: Yong Zhao Date: Wed, 23 Jan 2019 01:09:17 +0000 (-0500) Subject: drm/amdkfd: Remove unnecessary pm_init() for non HWS mode X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=424b5442a2a67ba369839455c3b1fb1b00c6d861;p=android-x86%2Fkernel.git drm/amdkfd: Remove unnecessary pm_init() for non HWS mode The packet manager is not needed for non HWS mode except Hawaii, so only initialize it for Hawaii under non HWS mode. This will simplify debugging under non HWS mode for all new asics, because it eliminates one variable out of the equation in non HWS mode Signed-off-by: Yong Zhao Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 5e88c0fa7a0d..33a6bb5cf730 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -902,12 +902,18 @@ static void uninitialize(struct device_queue_manager *dqm) static int start_nocpsch(struct device_queue_manager *dqm) { init_interrupts(dqm); - return pm_init(&dqm->packets, dqm); + + if (dqm->dev->device_info->asic_family == CHIP_HAWAII) + return pm_init(&dqm->packets, dqm); + + return 0; } static int stop_nocpsch(struct device_queue_manager *dqm) { - pm_uninit(&dqm->packets); + if (dqm->dev->device_info->asic_family == CHIP_HAWAII) + pm_uninit(&dqm->packets); + return 0; }