[PATCH v10 02/11] drm/etnaviv: Add a dedicated function to get various clocks

From: Sui Jingfeng Because it is also platform-dependent, there are systems where we don't have DT-based clock drivers supported. For example, discrete PCI GPUs. Therefire, don't quit if there is no clock subsystem support.      For the GPU in LS7A1000 and LS2K1000, the working frequency of the G

[PATCH v10 02/11] drm/etnaviv: Add a dedicated function to get various clocks

Because it is also platform-dependent, there are systems where we don't have DT-based clock drivers supported. For example, discrete PCI GPUs. Therefire, don't quit if there is no clock subsystem support.      For the GPU in LS7A1000 and LS2K1000, the working frequency of the GPU is rely on the GFX