On 19/10/2025 15:52, Adrián Larumbe wrote:
> This is v7 of https://lore.kernel.org/dri-devel/20251015000930.356073-1-adrian.larumbe@collabora.com/
>
> This patch series is a collection of minor fixes and improvements I came up
> with while working on driver related stuff.
Merged to drm-misc-next.
>
> Changelog:
> v7:
> - Fixed bug when handling AS number allocation. In case of error and early
> bail-out, AS lock was being left in held state. This was uncovered by smart.
> - Added new R-b tags.
> v6:
> - Don't optimise page range walk in the event of a double MMU fault
> - Handle some minots and minor style changes
> - Rebase patch series onto latest drm-misc-next
> v5:
> - Move devfreq record keeping further down job submission function to
> keep busy count balanced in case of an early bail-out.
> - In MMU page fault ISR, bail out when sgt for 2MiB page is not assigned,
> rather than when the page array is populated. Add new commit for this.
> - Add commit with myself as a new Panfrost maintainer
>
> v4:
> - Rebased older patch series onto latest drm-misc-next
> - Added patch for renaming JM functions to reflect their actual role
> - Fixed treatment of error code in perfcnt when enabling sample buffer AS
>
> v3:
> - Minor convenience fixes to patches 3 and 4 in the series
> - Move unmapping of maped range of BO to the function's error path
> in case of BO mapping failure, also for putting BO's pages
> - Split patch 6/8 into two: one makes sure the Job IRQ enablement mask
> isn't recalculated at every device reset and uses the same expression
> everywhere in the driver, and another one that breaks the enablement
> function into two stages.
>
> v2:
> - Removed commit that provided an explicit fence cleanup function
> - Added commit for removing unused Panfrost device structure member
> - Refactored how optional job interrupt reenabling during reset is handled
> - Make the way errors and successful return values are delivered from inside
> panfrost_mmu_as_get more according to standard.
> - Simplify unmapping of already mapped area when mapping the pages of a BO
> - Fixing management of runtime-PM reference counts when failing HW job submission.
>
> Adrián Larumbe (12):
> drm/panfrost: Replace DRM driver allocation method with newer one
> drm/panfrost: Handle inexistent GPU during probe
> drm/panfrost: Handle job HW submit errors
> drm/panfrost: Handle error when allocating AS number
> drm/panfrost: Check sgt to know whether pages are already mapped
> drm/panfrost: Handle page mapping failure
> drm/panfrost: Don't rework job IRQ enable mask in the enable path
> drm/panfrost: Make re-enabling job interrupts at device reset optional
> drm/panfrost: Add forward declaration and types header
> drm/panfrost: Remove unused device property
> drm/panfrost: Rename panfrost_job functions to reflect real role
> MAINTAINERS: Panfrost: Add Steven Price and Adrian Larumbe
>
> MAINTAINERS | 3 +-
> drivers/gpu/drm/panfrost/panfrost_devfreq.c | 4 +-
> drivers/gpu/drm/panfrost/panfrost_device.c | 68 +++++----
> drivers/gpu/drm/panfrost/panfrost_device.h | 13 +-
> drivers/gpu/drm/panfrost/panfrost_drv.c | 78 ++++------
> drivers/gpu/drm/panfrost/panfrost_dump.c | 8 +-
> drivers/gpu/drm/panfrost/panfrost_gem.c | 8 +-
> .../gpu/drm/panfrost/panfrost_gem_shrinker.c | 4 +-
> drivers/gpu/drm/panfrost/panfrost_gpu.c | 64 ++++----
> drivers/gpu/drm/panfrost/panfrost_job.c | 139 +++++++++---------
> drivers/gpu/drm/panfrost/panfrost_job.h | 15 +-
> drivers/gpu/drm/panfrost/panfrost_mmu.c | 114 +++++++++-----
> drivers/gpu/drm/panfrost/panfrost_mmu.h | 3 +-
> drivers/gpu/drm/panfrost/panfrost_perfcnt.c | 26 ++--
> 14 files changed, 303 insertions(+), 244 deletions(-)
>
>
> base-commit: 7fb19ea1ec6aa85c75905b1fd732d50801e7fb28
> --
> 2.51.0