Date: Mon, 30 Dec 2013 20:27:59 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r260100 - in stable: 10/sys/dev/drm 9/sys/dev/drm Message-ID: <201312302027.rBUKRxGi003847@svn.freebsd.org>
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Author: dim Date: Mon Dec 30 20:27:58 2013 New Revision: 260100 URL: http://svnweb.freebsd.org/changeset/base/260100 Log: MFC r259902: In sys/dev/drm/mach64_dma.c, remove static function mach64_set_dma_eol(), which has never been used, even by upstream, since its initial upstream commit (see http://cgit.freedesktop.org/mesa/drm/commit/?id=873e1c4d ) Modified: stable/10/sys/dev/drm/mach64_dma.c Directory Properties: stable/10/ (props changed) Changes in other areas also in this revision: Modified: stable/9/sys/dev/drm/mach64_dma.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/10/sys/dev/drm/mach64_dma.c ============================================================================== --- stable/10/sys/dev/drm/mach64_dma.c Mon Dec 30 20:24:05 2013 (r260099) +++ stable/10/sys/dev/drm/mach64_dma.c Mon Dec 30 20:27:58 2013 (r260100) @@ -559,54 +559,6 @@ void mach64_dump_ring_info(drm_mach64_pr /*@{*/ /** - * Add the end mark to the ring's new tail position. - * - * The bus master engine will keep processing the DMA buffers listed in the ring - * until it finds this mark, making it stop. - * - * \sa mach64_clear_dma_eol - */ -static __inline__ void mach64_set_dma_eol(volatile u32 *addr) -{ -#if defined(__i386__) - int nr = 31; - - /* Taken from include/asm-i386/bitops.h linux header */ - __asm__ __volatile__("lock;" "btsl %1,%0":"=m"(*addr) - :"Ir"(nr)); -#elif defined(__powerpc__) - u32 old; - u32 mask = cpu_to_le32(MACH64_DMA_EOL); - - /* Taken from the include/asm-ppc/bitops.h linux header */ - __asm__ __volatile__("\n\ -1: lwarx %0,0,%3 \n\ - or %0,%0,%2 \n\ - stwcx. %0,0,%3 \n\ - bne- 1b":"=&r"(old), "=m"(*addr) - :"r"(mask), "r"(addr), "m"(*addr) - :"cc"); -#elif defined(__alpha__) - u32 temp; - u32 mask = MACH64_DMA_EOL; - - /* Taken from the include/asm-alpha/bitops.h linux header */ - __asm__ __volatile__("1: ldl_l %0,%3\n" - " bis %0,%2,%0\n" - " stl_c %0,%1\n" - " beq %0,2f\n" - ".subsection 2\n" - "2: br 1b\n" - ".previous":"=&r"(temp), "=m"(*addr) - :"Ir"(mask), "m"(*addr)); -#else - u32 mask = cpu_to_le32(MACH64_DMA_EOL); - - *addr |= mask; -#endif -} - -/** * Remove the end mark from the ring's old tail position. * * It should be called after calling mach64_set_dma_eol to mark the ring's new
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