From: Christian König <christian.koenig@xxxxxxx> Blocking completely innocent processes with a GPU reset is a pretty bad idea. Just set needs_reset and let the next command submission or fence wait do the job. Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/radeon/cik.c | 6 ++++-- drivers/gpu/drm/radeon/radeon.h | 1 - drivers/gpu/drm/radeon/radeon_device.c | 7 ++++--- drivers/gpu/drm/radeon/radeon_irq_kms.c | 18 ------------------ 4 files changed, 8 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index db11446..c2eca22 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -8237,8 +8237,10 @@ restart_ih: } if (queue_hotplug) schedule_work(&rdev->hotplug_work); - if (queue_reset) - schedule_work(&rdev->reset_work); + if (queue_reset) { + rdev->needs_reset = true; + wake_up_all(&rdev->fence_queue); + } if (queue_thermal) schedule_work(&rdev->pm.dpm.thermal.work); rdev->ih.rptr = rptr; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index ca74b72..fa66f65 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -2346,7 +2346,6 @@ struct radeon_device { struct radeon_mec mec; struct work_struct hotplug_work; struct work_struct audio_work; - struct work_struct reset_work; int num_crtc; /* number of crtcs */ struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */ bool has_uvd; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 9f66637..d30f1cc 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1673,9 +1673,6 @@ int radeon_gpu_reset(struct radeon_device *rdev) return 0; } - rdev->in_reset = true; - rdev->needs_reset = false; - radeon_save_bios_scratch_regs(rdev); /* block TTM */ resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev); @@ -1738,6 +1735,10 @@ int radeon_gpu_reset(struct radeon_device *rdev) radeon_hpd_init(rdev); ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); + + rdev->in_reset = true; + rdev->needs_reset = false; + downgrade_write(&rdev->exclusive_lock); drm_helper_resume_force_mode(rdev->ddev); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 16807af..f0bff4b 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -88,23 +88,6 @@ static void radeon_hotplug_work_func(struct work_struct *work) } /** - * radeon_irq_reset_work_func - execute gpu reset - * - * @work: work struct - * - * Execute scheduled gpu reset (cayman+). - * This function is called when the irq handler - * thinks we need a gpu reset. - */ -static void radeon_irq_reset_work_func(struct work_struct *work) -{ - struct radeon_device *rdev = container_of(work, struct radeon_device, - reset_work); - - radeon_gpu_reset(rdev); -} - -/** * radeon_driver_irq_preinstall_kms - drm irq preinstall callback * * @dev: drm dev pointer @@ -284,7 +267,6 @@ int radeon_irq_kms_init(struct radeon_device *rdev) INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func); INIT_WORK(&rdev->audio_work, r600_audio_update_hdmi); - INIT_WORK(&rdev->reset_work, radeon_irq_reset_work_func); rdev->irq.installed = true; r = drm_irq_install(rdev->ddev, rdev->ddev->pdev->irq); -- 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel