On 08/03/2019 01:24, Rob Herring wrote:
> From: "Marty E. Plummer" <[email protected]>
>
> This adds the initial driver for panfrost which supports Arm Mali
> Midgard and Bifrost family of GPUs. Currently, only the T860 Midgard GPU
> has been tested.
>
> Cc: Maarten Lankhorst <[email protected]>
> Cc: Maxime Ripard <[email protected]>
> Cc: Sean Paul <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: Alyssa Rosenzweig <[email protected]>
> Cc: Lyude Paul <[email protected]>
> Cc: Eric Anholt <[email protected]>
> Signed-off-by: Marty E. Plummer <[email protected]>
> Signed-off-by: Tomeu Vizoso <[email protected]>
> Signed-off-by: Rob Herring <[email protected]>
> ---
<snip>
> +
> +static const struct panfrost_model gpu_models[] = {
> + /* T60x has an oddball version */
> + GPU_MODEL(t600, 0x6956, 0xffff,
> + GPU_REV_EXT(t600, 0, 0, 1, _15dev0)),
> + GPU_MODEL_MIDGARD(t620, 0x620,
> + GPU_REV(t620, 0, 1), GPU_REV(t620, 1, 0)),
> + GPU_MODEL_MIDGARD(t720, 0x720),
> + GPU_MODEL_MIDGARD(t760, 0x750,
> + GPU_REV(t760, 0, 0), GPU_REV(t760, 0, 1),
> + GPU_REV_EXT(t760, 0, 1, 0, _50rel0),
> + GPU_REV(t760, 0, 2), GPU_REV(t760, 0, 3)),
> + GPU_MODEL_MIDGARD(t820, 0x820),
> + GPU_MODEL_MIDGARD(t830, 0x830),
> + GPU_MODEL_MIDGARD(t860, 0x860),
> + GPU_MODEL_MIDGARD(t880, 0x880),
> +
> + GPU_MODEL_BIFROST(g71, 0x6000,
> + GPU_REV_EXT(g71, 0, 0, 1, _05dev0)),
> + GPU_MODEL_BIFROST(g72, 0x6001),
> + GPU_MODEL_BIFROST(g51, 0x7000),
> + GPU_MODEL_BIFROST(g76, 0x7001),
> + GPU_MODEL_BIFROST(g52, 0x7002),
> + GPU_MODEL_BIFROST(g31, 0x7003,
> + GPU_REV(g31, 1, 0)),
G31 r0p0 should be supported, the Amlogic G12A has it :
[ 98.036507] mali ffe40000.gpu: GPU identified as 0x3 arch 7.0.9 r0p0 status 0
as reported by mali_kbase.
Neil
> +};
> +
> +static void panfrost_gpu_init_features(struct panfrost_device *pfdev)
> +{
> + u32 gpu_id, num_js, major, minor, status, rev;
> + const char *name = "unknown";
> + u64 hw_feat = 0;
> + u64 hw_issues = hw_issues_all;
> + const struct panfrost_model *model;
> + int i;
<snip>
> +#endif
> +
> +#endif /* _PANFROST_DRM_H_ */
>
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