Module Name: src
Committed By: riastradh
Date: Tue Jul 19 23:19:44 UTC 2022
Modified Files:
src/sys/external/bsd/drm2/include/drm: bus_dma_hacks.h
Log Message:
drm: Teach bus_dma_hacks.h about alpha.
Not sure if this is correct! Someone who knows alpha should vet.
To generate a diff of this commit:
cvs rdiff -u -r1.24 -r1.25 \
src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h
diff -u src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h:1.24 src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h:1.25
--- src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h:1.24 Sun Dec 19 12:03:21 2021
+++ src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h Tue Jul 19 23:19:44 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_dma_hacks.h,v 1.24 2021/12/19 12:03:21 riastradh Exp $ */
+/* $NetBSD: bus_dma_hacks.h,v 1.25 2022/07/19 23:19:44 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -85,6 +85,11 @@ BUS_MEM_TO_PHYS(bus_dma_tag_t dmat, bus_
# define PHYS_TO_BUS_MEM(dmat, paddr) ((bus_addr_t)(paddr))
# define BUS_MEM_TO_PHYS(dmat, baddr) ((paddr_t)(baddr))
#elif defined(__powerpc__)
+#elif defined(__alpha__)
+# define PHYS_TO_BUS_MEM(dmat, paddr) \
+ ((bus_addr_t)(paddr) | (dmat)->_wbase)
+# define BUS_MEM_TO_PHYS(dmat, baddr) \
+ ((paddr_t)((baddr) & ~(bus_addr_t)(dmat)->_wbase))
#else
# error DRM GEM/TTM need new MI bus_dma APIs! Halp!
#endif
@@ -117,6 +122,8 @@ bus_dmatag_bounces_paddr(bus_dma_tag_t d
return dmat->_bounce_thresh && pa >= dmat->_bounce_thresh;
#elif defined(__sparc__) || defined(__sparc64__)
return false; /* no bounce buffers ever */
+#elif defined(__alpha__)
+ return (dmat->_wsize == 0 ? false : pa >= dmat->_wsize);
#endif
}
