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5361cc7f8e
The DU CRTC driver does not support distinguishing between a hardware index, and a software (CRTC) index in the event that a DU channel might not be populated by the hardware. Support this by adapting the rcar_du_device_info structure to store a bitmask of available channels rather than a count of CRTCs. The count can then be obtained by determining the hamming weight of the bitmask. This allows the rcar_du_crtc_create() function to distinguish between both index types, and non-populated DU channels will be skipped without leaving a gap in the software CRTC indexes. Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
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