From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37031) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cbq5q-0006qu-9S for qemu-devel@nongnu.org; Thu, 09 Feb 2017 09:53:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cbq5n-0008Al-95 for qemu-devel@nongnu.org; Thu, 09 Feb 2017 09:53:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52250) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cbq5n-0008AO-1O for qemu-devel@nongnu.org; Thu, 09 Feb 2017 09:53:03 -0500 Date: Thu, 9 Feb 2017 14:52:57 +0000 From: "Dr. David Alan Gilbert" Message-ID: <20170209145257.GC2384@work-vm> References: <1486645341-5010-1-git-send-email-kraxel@redhat.com> <1486645341-5010-2-git-send-email-kraxel@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1486645341-5010-2-git-send-email-kraxel@redhat.com> Subject: Re: [Qemu-devel] [PATCH 2/2] Revert "cirrus: allow zero source pitch in pattern fill rops" List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: qemu-devel@nongnu.org, Wolfgang Bumiller * Gerd Hoffmann (kraxel@redhat.com) wrote: > This reverts commit 5858dd1801883309bdd208d72ddb81c4e9fee30c. > > Conflicts: > hw/display/cirrus_vga.c > > Cc: Wolfgang Bumiller > Cc: Dr. David Alan Gilbert > Signed-off-by: Gerd Hoffmann Reviewed-by: Dr. David Alan Gilbert > --- > hw/display/cirrus_vga.c | 26 ++++++++------------------ > 1 file changed, 8 insertions(+), 18 deletions(-) > > diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c > index 6bd13fc..0e47cf8 100644 > --- a/hw/display/cirrus_vga.c > +++ b/hw/display/cirrus_vga.c > @@ -272,6 +272,9 @@ static void cirrus_update_memory_access(CirrusVGAState *s); > static bool blit_region_is_unsafe(struct CirrusVGAState *s, > int32_t pitch, int32_t addr) > { > + if (!pitch) { > + return true; > + } > if (pitch < 0) { > int64_t min = addr > + ((int64_t)s->cirrus_blt_height - 1) * pitch > @@ -290,11 +293,8 @@ static bool blit_region_is_unsafe(struct CirrusVGAState *s, > return false; > } > > -static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, > - bool zero_src_pitch_ok) > +static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only) > { > - int32_t check_pitch; > - > /* should be the case, see cirrus_bitblt_start */ > assert(s->cirrus_blt_width > 0); > assert(s->cirrus_blt_height > 0); > @@ -303,10 +303,6 @@ static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, > return true; > } > > - if (!s->cirrus_blt_dstpitch) { > - return true; > - } > - > if (blit_region_is_unsafe(s, s->cirrus_blt_dstpitch, > s->cirrus_blt_dstaddr)) { > return true; > @@ -314,13 +310,7 @@ static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only, > if (dst_only) { > return false; > } > - > - check_pitch = s->cirrus_blt_srcpitch; > - if (!zero_src_pitch_ok && !check_pitch) { > - check_pitch = s->cirrus_blt_width; > - } > - > - if (blit_region_is_unsafe(s, check_pitch, > + if (blit_region_is_unsafe(s, s->cirrus_blt_srcpitch, > s->cirrus_blt_srcaddr)) { > return true; > } > @@ -715,7 +705,7 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState *s, bool videosrc) > src = s->cirrus_bltbuf; > } > > - if (blit_is_unsafe(s, true, true)) { > + if (blit_is_unsafe(s, true)) { > return 0; > } > > @@ -734,7 +724,7 @@ static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop) > { > cirrus_fill_t rop_func; > > - if (blit_is_unsafe(s, true, true)) { > + if (blit_is_unsafe(s, true)) { > return 0; > } > rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1]; > @@ -834,7 +824,7 @@ static int cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) > > static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s) > { > - if (blit_is_unsafe(s, false, false)) > + if (blit_is_unsafe(s, false)) > return 0; > > return cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->vga.start_addr, > -- > 1.8.3.1 > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK