From: Alyssa Rosenzweig alyssa.rosenzweig@collabora.com
This patch series adds preliminary support for Mali "Valhall" GPUs into the Panfrost kernel driver. The series has been tested on the Mali-G57 on a MediaTek MT8192 system. However, that system requires additional MediaTek-specific patches [1] as well as core mainlining for MediaTek. I'll post the MT8192-specific Panfrost patches soon; they depend on this core series.
On the userspace side, pre-CSF Valhall (what is supported here) uses an identical UABI as Bifrost. Mesa support for Valhall is being worked on in parallel [2]. I'm hoping basic support for Valhall will be available in Mesa 22.1.
[1] https://gitlab.freedesktop.org/panfrost/linux/-/tree/mt8192-branch [2] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14795
Alyssa Rosenzweig (9): dt-bindings: Add arm,mali-valhall compatible drm/panfrost: Handle HW_ISSUE_TTRX_2968_TTRX_3162 drm/panfrost: Constify argument to has_hw_issue drm/panfrost: Handle HW_ISSUE_TTRX_3076 drm/panfrost: Add HW_ISSUE_TTRX_3485 quirk drm/panfrost: Add "clean only safe" feature bit drm/panfrost: Don't set L2_MMU_CONFIG quirks drm/panfrost: Add Mali-G57 "Natt" support drm/panfrost: Handle arm,mali-valhall compatible
.../bindings/gpu/arm,mali-bifrost.yaml | 1 + drivers/gpu/drm/panfrost/panfrost_device.c | 9 +++++++-- drivers/gpu/drm/panfrost/panfrost_drv.c | 1 + drivers/gpu/drm/panfrost/panfrost_features.h | 13 +++++++++++++ drivers/gpu/drm/panfrost/panfrost_gpu.c | 17 +++++------------ drivers/gpu/drm/panfrost/panfrost_issues.h | 17 ++++++++++++++++- drivers/gpu/drm/panfrost/panfrost_regs.h | 1 + 7 files changed, 44 insertions(+), 15 deletions(-)