Module Name: src Committed By: jmcneill Date: Wed Jan 22 07:53:45 UTC 2020
Modified Files: src/sys/external/bsd/drm2/include/drm: bus_dma_hacks.h Log Message: Fix PHYS_TO_BUS_MEM and BUS_MEM_TO_PHYS on arm and aarch64 To generate a diff of this commit: cvs rdiff -u -r1.18 -r1.19 \ 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:1.18 src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h:1.19 --- src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h:1.18 Tue Nov 5 23:27:23 2019 +++ src/sys/external/bsd/drm2/include/drm/bus_dma_hacks.h Wed Jan 22 07:53:45 2020 @@ -1,4 +1,4 @@ -/* $NetBSD: bus_dma_hacks.h,v 1.18 2019/11/05 23:27:23 jmcneill Exp $ */ +/* $NetBSD: bus_dma_hacks.h,v 1.19 2020/01/22 07:53:45 jmcneill Exp $ */ /*- * Copyright (c) 2013 The NetBSD Foundation, Inc. @@ -58,7 +58,7 @@ PHYS_TO_BUS_MEM(bus_dma_tag_t dmat, padd const struct arm32_dma_range *dr = &dmat->_ranges[i]; if (dr->dr_sysbase <= pa && pa - dr->dr_sysbase <= dr->dr_len) - return dr->dr_busbase + (dr->dr_sysbase - pa); + return pa - dr->dr_sysbase + dr->dr_busbase; } panic("paddr has no bus address in dma tag %p: %"PRIxPADDR, dmat, pa); } @@ -74,7 +74,7 @@ BUS_MEM_TO_PHYS(bus_dma_tag_t dmat, bus_ const struct arm32_dma_range *dr = &dmat->_ranges[i]; if (dr->dr_busbase <= ba && ba - dr->dr_busbase <= dr->dr_len) - return dr->dr_sysbase + (dr->dr_busbase - ba); + return ba - dr->dr_busbase + dr->dr_sysbase; } panic("bus addr has no bus address in dma tag %p: %"PRIxPADDR, dmat, ba);