mbox series

[v2,0/3] drm/panfrost: Fix poweroff and sync IRQs for suspend

Message ID 20231128124510.391007-1-angelogioacchino.delregno@collabora.com
Headers
Series drm/panfrost: Fix poweroff and sync IRQs for suspend |

Message

AngeloGioacchino Del Regno Nov. 28, 2023, 12:45 p.m. UTC 
  This series contains a fast fix for the basic GPU poweroff functionality
and goes further by implementing interrupt masking and synchronization
before suspend.

For more information, please look at the conversation at [1], which
explains the regression seen with the poweroff commit and the initial
approaches taken to solve that.

Cheers!

[1]: https://lore.kernel.org/all/20231123095320.41433-1-angelogioacchino.delregno@collabora.com/

AngeloGioacchino Del Regno (3):
  drm/panfrost: Ignore core_mask for poweroff and disable PWRTRANS irq
  drm/panfrost: Add gpu_irq, mmu_irq to struct panfrost_device
  drm/panfrost: Synchronize and disable interrupts before powering off

 drivers/gpu/drm/panfrost/panfrost_device.c |  4 +++
 drivers/gpu/drm/panfrost/panfrost_device.h |  9 +++++++
 drivers/gpu/drm/panfrost/panfrost_gpu.c    | 29 +++++++++++++++-------
 drivers/gpu/drm/panfrost/panfrost_gpu.h    |  1 +
 drivers/gpu/drm/panfrost/panfrost_job.c    | 18 +++++++++++---
 drivers/gpu/drm/panfrost/panfrost_job.h    |  1 +
 drivers/gpu/drm/panfrost/panfrost_mmu.c    | 27 ++++++++++++++------
 drivers/gpu/drm/panfrost/panfrost_mmu.h    |  1 +
 8 files changed, 70 insertions(+), 20 deletions(-)

Comments

Marek Szyprowski Nov. 29, 2023, 5:31 p.m. UTC | #1 
On 28.11.2023 13:45, AngeloGioacchino Del Regno wrote:
> This series contains a fast fix for the basic GPU poweroff functionality
> and goes further by implementing interrupt masking and synchronization
> before suspend.
>
> For more information, please look at the conversation at [1], which
> explains the regression seen with the poweroff commit and the initial
> approaches taken to solve that.

Just to let You know, as there is still some discussion about 
beautifying the final code, I've tested this version on my test hardware 
and everything works fine again! Thanks!

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>


> Cheers!
>
> [1]: https://lore.kernel.org/all/20231123095320.41433-1-angelogioacchino.delregno@collabora.com/
>
> AngeloGioacchino Del Regno (3):
>    drm/panfrost: Ignore core_mask for poweroff and disable PWRTRANS irq
>    drm/panfrost: Add gpu_irq, mmu_irq to struct panfrost_device
>    drm/panfrost: Synchronize and disable interrupts before powering off
>
>   drivers/gpu/drm/panfrost/panfrost_device.c |  4 +++
>   drivers/gpu/drm/panfrost/panfrost_device.h |  9 +++++++
>   drivers/gpu/drm/panfrost/panfrost_gpu.c    | 29 +++++++++++++++-------
>   drivers/gpu/drm/panfrost/panfrost_gpu.h    |  1 +
>   drivers/gpu/drm/panfrost/panfrost_job.c    | 18 +++++++++++---
>   drivers/gpu/drm/panfrost/panfrost_job.h    |  1 +
>   drivers/gpu/drm/panfrost/panfrost_mmu.c    | 27 ++++++++++++++------
>   drivers/gpu/drm/panfrost/panfrost_mmu.h    |  1 +
>   8 files changed, 70 insertions(+), 20 deletions(-)
>
Best regards