On 13/09/2025 01:21, Chia-I Wu wrote: > MediaTek MT8196 has Mali-G925-Immortalis, for which panthor gained > support recently. But the soc also requires custom ASN hash to be > enabled. This series introduces panthor_soc_data for per-soc data and > uses it to enable custom ASN hash on MT8196. > > The clk/regulator provider on MT8196 is GPUEB, whose driver[1] needs to > be cleaned up and upstreamed separately. > > This initial support also lacks support for some hw configs. On some > configs, panthor is expected to query a mask from efuse to mask out > unavailable shader cores from ptdev->gpu_info.shader_present. This > requires extending panthor_soc_data with a callback to read the mask. > > This is an RFC because the dependent drivers are not ready yet. But I > would like to gather opinions on having panthor_soc_data for > soc-specific data and having CONFIG_DRM_PANTHOR_SOC_MT8196 for > soc-specific code. > > [1] > https://gitlab.freedesktop.org/olv/kernel/-/commit/170d5fc90f817dc90bde54b32872c59cf5c77779
Applied to drm-misc-next. Thanks, Steve > > --- > v2: > > - drop RFC as this series works with the downstream GPUEB driver, and > should work with Nicolas's GPUEB driver posted to > > https://lore.kernel.org/lkml/[email protected]/ > with no change. > - remove CONFIG_DRM_PANTHOR_SOC_MT8196 and panthor_soc*.[ch], as this > initial support is just about ASN hash. > > Chia-I Wu (2): > dt-bindings: gpu: mali-valhall-csf: add MediaTek MT8196 compatible > drm/panthor: add custom ASN_HASH support for mt8196 > > .../bindings/gpu/arm,mali-valhall-csf.yaml | 1 + > drivers/gpu/drm/panthor/panthor_device.c | 2 ++ > drivers/gpu/drm/panthor/panthor_device.h | 14 +++++++++++ > drivers/gpu/drm/panthor/panthor_drv.c | 6 +++++ > drivers/gpu/drm/panthor/panthor_gpu.c | 25 ++++++++++++++++++- > drivers/gpu/drm/panthor/panthor_regs.h | 4 +++ > 6 files changed, 51 insertions(+), 1 deletion(-) >
