drm/i915: Refactor setting dma info to a common helper
DMA_MASK bit values are different for different generations. This will become more difficult to manage over time with the open coded usage of different versions of the device. Fix by: disallow setting of dma mask in AGP path (< GEN(5) for i915, add dma_mask_size to the device info configuration, updating open code call sequence to the latest interface, refactoring into a common function for setting the dma segment and mask info Reviewed-by:Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Michael J. Ruhl <michael.j.ruhl@intel.com> cc: Brian Welty <brian.welty@intel.com> cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200417195107.68732-1-michael.j.ruhl@intel.com
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