linux/drivers/gpu/drm/lima, branch v5.8

drm/lima: fix wait pp reset timeout

2020-07-20T00:46:06Z

PP bcast is marked as doing async reset after job is done. When resume after suspend, each PP is reset individually, so no need to reset in PP bcast resume. But I forgot to clear the PP bcast async reset mark so call into async wait before job run and gets timeout. Closes: https://gitlab.freedesktop.org/lima/linux/-/issues/34 Fixes: 3446d7e9883d ("drm/lima: add resume/suspend callback for each ip") Reviewed-by: Erico Nunes Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200719073050.776962-1-yuq825@gmail.com

drm/lima: enable runtime pm

2020-04-24T12:51:24Z

Enable runtime pm by default so GPU suspend when idle for 200ms. This value can be changed by autosuspend_delay_ms in device's power sysfs dir. On Allwinner H3 lima_device_resume takes ~40us and lima_device_suspend takes ~20us. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-11-yuq825@gmail.com

drm/lima: add pm resume/suspend ops

2020-04-24T12:51:19Z

Add driver pm system and runtime hardware resume/suspend ops. Note this won't enable runtime pm of the device yet. v2: Do clock and power gating when suspend/resume. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-10-yuq825@gmail.com

drm/lima: separate clk/regulator enable/disable function

2020-04-24T12:51:15Z

For being used by both device init/fini and suspend/resume. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-9-yuq825@gmail.com

drm/lima: add resume/suspend callback for each ip

2020-04-24T12:51:10Z

For called when PM do resume/suspend. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-8-yuq825@gmail.com

drm/lima: power down ip blocks when pmu exit

2020-04-24T12:51:04Z

Prepare resume/suspend PM. v2: Fix lima_pmu_wait_cmd timeout when mali400 case. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-7-yuq825@gmail.com

drm/lima: add lima_devfreq_resume/suspend

2020-04-24T12:50:57Z

Used for device resume/suspend in the following commits. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-6-yuq825@gmail.com

drm/lima: always set page directory when switch vm

2020-04-24T12:50:51Z

We need to flush TLB anyway before every task start, and the page directory will be set to empty vm after suspend/resume, so always set it to the task vm even no ctx switch happens. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-5-yuq825@gmail.com

drm/lima: check vm != NULL in lima_vm_put

2020-04-24T12:50:46Z

No need to handle this check before calling lima_vm_put. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-4-yuq825@gmail.com

drm/lima: print process name and pid when task error

2020-04-24T12:50:40Z

When error task list is full, print the process info where the error task come from for debug usage. Tested-by: Bhushan Shah Reviewed-by: Vasily Khoruzhick Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-3-yuq825@gmail.com