Okay so I was able to get it to start on auto with the following diff (the xf86drm.h header has been established as already (sort of) merged, but I hadn't included the "renderD" change in my own tree):
diff --git xf86drm.c xf86drm.c index 2e76f0ea..6d29184f 100644 --- xf86drm.c +++ xf86drm.c @@ -3517,8 +3517,11 @@ static char *drmGetMinorNameForFD(int fd, int type) if (!dev_name) return NULL; - +#ifdef __OpenBSD__ + n = snprintf(buf, sizeof(buf), dev_name, DRM_DIR_NAME, min+128); +#else n = snprintf(buf, sizeof(buf), dev_name, DRM_DIR_NAME, min); +#endif if (n == -1 || n >= sizeof(buf)) return NULL; @@ -4585,6 +4588,7 @@ drm_public int drmGetDeviceFromDevId(dev_t find_rdev, uint32_t flags, drmDeviceP const char *dev_name; int node_type, subsystem_type; int maj, min, n, ret; + struct stat sbuf; if (device == NULL) return -EINVAL; diff --git xf86drm.h xf86drm.h index 2cb14156..6254d912 100644 --- xf86drm.h +++ xf86drm.h @@ -77,10 +77,10 @@ extern "C" { #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) #ifdef __OpenBSD__ -#define DRM_DIR_NAME "/dev" -#define DRM_PRIMARY_MINOR_NAME "drm" +#define DRM_DIR_NAME "/dev/dri" +#define DRM_PRIMARY_MINOR_NAME "card" #define DRM_CONTROL_MINOR_NAME "drmC" /* deprecated */ -#define DRM_RENDER_MINOR_NAME "drmR" +#define DRM_RENDER_MINOR_NAME "renderD" #else #define DRM_DIR_NAME "/dev/dri" #define DRM_PRIMARY_MINOR_NAME "card" On Thu, Jan 04, 2024 at 09:20:18AM -0700, Chris Waddey wrote: > I forgot that I needed to add this diff. There is an "#ifdef __OpenBSD__" just > above this and a comment that looks a bit dated in the latest drm code. > > diff --git xf86drm.c xf86drm.c > index 2e76f0ea..7c4f5cf0 100644 > --- xf86drm.c > +++ xf86drm.c > @@ -4585,6 +4585,7 @@ drm_public int drmGetDeviceFromDevId(dev_t find_rdev, > uint32_t flags, drmDeviceP > const char *dev_name; > int node_type, subsystem_type; > int maj, min, n, ret; > + struct stat sbuf; > > if (device == NULL) > return -EINVAL; > > On Thu, Jan 04, 2024 at 11:07:56AM +0100, Matthieu Herrb wrote: > > On Wed, Jan 03, 2024 at 07:52:56PM -0700, Chris Waddey wrote: > > > Hello. > > > > Hi, > > > > > I was able to get the latest version of sway working on my box after > > > getting the latest version of wlroots to work, which was after applying > > > the following patch to the latest version of libdrm (source obtained > > > from https://gitlab.freedesktop.org/mesa/drm.git). I don't know if we > > > have some patches somewhere else that handle this, but I figured I > > > would send it your way in case it would save some effort. > > > > Does this include the removal of the wlr_drm protocol which was > > committed to sway/wlroots a few hours ago ? > > So I just did a fresh pull/build/install of libdrm, wlroots, and > sway. Still working with the caveats below. > > > I wasn't sure if OpenBSD libdrm / mesa supports linux-dmabuf which is > > supposed to replace it. > > > > If it works with linux-dmabuf, that's great news. I don't think there > > are any other significant changes since the released versions packaged > > in ports that could impact OpenBSD. > > > > > I also had to do > > > > > > doas chmod $USER:$USER /dev/dri/* && env WLR_RENDERER=pixman > > > startsway.sh > > > > Normally if you log in on the text console where you want to run sway, > > the /dev/dri/* owndership is taken care of by fbtab(5). > > Yeah, I don't know why I included the chown bit. Off-topic I think. > > > I think setting WLR_RENDERER to pixman means that you don't use the > > new linux-dmabuf protocol. What happens if you leave that variable > > undefined (defaults to 'auto') ? > > It only works with WLR_RENDERER=pixman both before and after the > recompile this morning. I've tried auto (which tries gles2) as well as > vulkan. Sorry if this is just noise. > > > > to get everything just right. And of course I applied the patches I > > > found in ports to sway and wlroots, but nothing else that I can > > > think of. > > > > This diff is present in the /usr/xenocara/lib/libdrm tree. (not > > exactly the same though: the whole #ifdef __OpenBSD__ part can be > > removed now). > > I think I see this now. I figured it lived somewhere in there. > > > > > > > ~ 0$ pkg-config --modversion libdrm > > > 2.4.119 > > > ~ 0$ pkg-config --modversion wlroots > > > 0.18.0-dev > > > ~ 0$ sway --version > > > sway version 1.9-dev-52eaa5be (Jan 3 2024, branch 'master') > > > > > > diff --git xf86drm.h xf86drm.h > > > index 2cb14156..c91f157b 100644 > > > --- xf86drm.h > > > +++ xf86drm.h > > > @@ -77,8 +77,8 @@ extern "C" { > > > #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) > > > > > > #ifdef __OpenBSD__ > > > -#define DRM_DIR_NAME "/dev" > > > -#define DRM_PRIMARY_MINOR_NAME "drm" > > > +#define DRM_DIR_NAME "/dev/dri" > > > +#define DRM_PRIMARY_MINOR_NAME "card" > > > #define DRM_CONTROL_MINOR_NAME "drmC" /* deprecated */ > > > #define DRM_RENDER_MINOR_NAME "drmR" > > > #else > > > > > >