drm/etnaviv: split out FE start
Split out into a new externally visible function, as the IOMMUv2 code needs this functionality, too. Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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@ -526,6 +526,14 @@ static void etnaviv_gpu_enable_mlcg(struct etnaviv_gpu *gpu)
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gpu_write(gpu, VIVS_PM_MODULE_CONTROLS, pmc);
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}
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void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch)
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{
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gpu_write(gpu, VIVS_FE_COMMAND_ADDRESS, address);
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gpu_write(gpu, VIVS_FE_COMMAND_CONTROL,
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VIVS_FE_COMMAND_CONTROL_ENABLE |
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VIVS_FE_COMMAND_CONTROL_PREFETCH(prefetch));
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}
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static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu)
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{
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u16 prefetch;
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@ -573,11 +581,8 @@ static void etnaviv_gpu_hw_init(struct etnaviv_gpu *gpu)
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prefetch = etnaviv_buffer_init(gpu);
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gpu_write(gpu, VIVS_HI_INTR_ENBL, ~0U);
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gpu_write(gpu, VIVS_FE_COMMAND_ADDRESS,
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etnaviv_iommu_get_cmdbuf_va(gpu, gpu->buffer));
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gpu_write(gpu, VIVS_FE_COMMAND_CONTROL,
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VIVS_FE_COMMAND_CONTROL_ENABLE |
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VIVS_FE_COMMAND_CONTROL_PREFETCH(prefetch));
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etnaviv_gpu_start_fe(gpu, etnaviv_iommu_get_cmdbuf_va(gpu, gpu->buffer),
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prefetch);
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}
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int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
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@ -215,6 +215,7 @@ void etnaviv_gpu_cmdbuf_free(struct etnaviv_cmdbuf *cmdbuf);
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int etnaviv_gpu_pm_get_sync(struct etnaviv_gpu *gpu);
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void etnaviv_gpu_pm_put(struct etnaviv_gpu *gpu);
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int etnaviv_gpu_wait_idle(struct etnaviv_gpu *gpu, unsigned int timeout_ms);
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void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch);
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extern struct platform_driver etnaviv_gpu_driver;
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