drm/i915/i915_memcpy.c

17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
51 		    :: "r" (src), "r" (dst) : "memory");  in __memcpy_ntdqa()
54 		len -= 4;  in __memcpy_ntdqa()
56 	while (len--) {  in __memcpy_ntdqa()
59 		    :: "r" (src), "r" (dst) : "memory");  in __memcpy_ntdqa()
80 		    :: "r" (src), "r" (dst) : "memory");  in __memcpy_ntdqu()
83 		len -= 4;  in __memcpy_ntdqu()
85 	while (len--) {  in __memcpy_ntdqu()
88 		    :: "r" (src), "r" (dst) : "memory");  in __memcpy_ntdqu()
97  * i915_memcpy_from_wc: perform an accelerated *aligned* read from WC
103  * non-temporal instructions where available. Note that all arguments
107  * To test whether accelerated reads from WC are supported, use
128  * i915_unaligned_memcpy_from_wc: perform a mostly accelerated read from WC
134  * @src to @dst using * non-temporal instructions where available, but
136  * potential 16-byte read past the end.
146 		unsigned long x = min(ALIGN(addr, 16) - addr, len);  in i915_unaligned_memcpy_from_wc()
150 		len -= x;  in i915_unaligned_memcpy_from_wc()
162 	 * Some hypervisors (e.g. KVM) don't support VEX-prefix instructions  in i915_memcpy_init_early()