/* * This header provides macros for at91 dma bindings. * * Copyright (C) 2013 Ludovic Desroches * * GPLv2 only */ #ifndef __DT_BINDINGS_AT91_DMA_H__ #define __DT_BINDINGS_AT91_DMA_H__ /* ---------- HDMAC ---------- */ /* * Source and/or destination peripheral ID */ #define AT91_DMA_CFG_PER_ID_MASK (0xff) #define AT91_DMA_CFG_PER_ID(id) (id & AT91_DMA_CFG_PER_ID_MASK) /* * FIFO configuration: it defines when a request is serviced. */ #define AT91_DMA_CFG_FIFOCFG_OFFSET (8) #define AT91_DMA_CFG_FIFOCFG_MASK (0xf << AT91_DMA_CFG_FIFOCFG_OFFSET) #define AT91_DMA_CFG_FIFOCFG_HALF (0x0 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* half FIFO (default behavior) */ #define AT91_DMA_CFG_FIFOCFG_ALAP (0x1 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* largest defined AHB burst */ #define AT91_DMA_CFG_FIFOCFG_ASAP (0x2 << AT91_DMA_CFG_FIFOCFG_OFFSET) /* single AHB access */ /* ---------- XDMAC ---------- */ #define AT91_XDMAC_DT_MEM_IF_MASK (0x1) #define AT91_XDMAC_DT_MEM_IF_OFFSET (13) #define AT91_XDMAC_DT_MEM_IF(mem_if) (((mem_if) & AT91_XDMAC_DT_MEM_IF_MASK) \ << AT91_XDMAC_DT_MEM_IF_OFFSET) #define AT91_XDMAC_DT_GET_MEM_IF(cfg) (((cfg) >> AT91_XDMAC_DT_MEM_IF_OFFSET) \ & AT91_XDMAC_DT_MEM_IF_MASK) #define AT91_XDMAC_DT_PER_IF_MASK (0x1) #define AT91_XDMAC_DT_PER_IF_OFFSET (14) #define AT91_XDMAC_DT_PER_IF(per_if) (((per_if) & AT91_XDMAC_DT_PER_IF_MASK) \ << AT91_XDMAC_DT_PER_IF_OFFSET) #define AT91_XDMAC_DT_GET_PER_IF(cfg) (((cfg) >> AT91_XDMAC_DT_PER_IF_OFFSET) \ & AT91_XDMAC_DT_PER_IF_MASK) #define AT91_XDMAC_DT_PERID_MASK (0x7f) #define AT91_XDMAC_DT_PERID_OFFSET (24) #define AT91_XDMAC_DT_PERID(perid) (((perid) & AT91_XDMAC_DT_PERID_MASK) \ << AT91_XDMAC_DT_PERID_OFFSET) #define AT91_XDMAC_DT_GET_PERID(cfg) (((cfg) >> AT91_XDMAC_DT_PERID_OFFSET) \ & AT91_XDMAC_DT_PERID_MASK) #endif /* __DT_BINDINGS_AT91_DMA_H__ */ class='active' href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&id=a6d3e7d35d088b2aabad1688b740e17bfdf566c5'>commitdiff
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authorVille Syrjälä <ville.syrjala@linux.intel.com>2016-12-21 16:45:47 +0200
committerJani Nikula <jani.nikula@intel.com>2017-01-03 11:41:05 +0200
commita6d3e7d35d088b2aabad1688b740e17bfdf566c5 (patch)
tree41e7d164e1e459f5b0ca3a42364477b4a67b5d33
parent00b2b7288299a8c73c0c37b531a075ba5c849e67 (diff)
drm/i915: Initialize overlay->last_flip properly
Initialize overlay->last_flip properly instead of leaving it zeroed. Cc: stable@vger.kernel.org Cc: Chris Wilson <chris@chris-wilson.co.uk> Fixes: 0d9bdd886f29 ("drm/i915: Convert intel_overlay to request tracking") Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161221144547.27319-1-ville.syrjala@linux.intel.com (cherry picked from commit 330afdb1df0f3fb48583105493a8f4f8d9e3af36) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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