diff -up libdrm-2.4.103/xf86drm.c.dma libdrm-2.4.103/xf86drm.c

--- libdrm-2.4.103/xf86drm.c.dma	2020-11-04 13:24:14.000000000 +1000

+++ libdrm-2.4.103/xf86drm.c	2020-11-04 13:42:04.190975193 +1000

@@ -507,11 +507,6 @@ drm_public int drmAvailable(void)

     int           fd;

     if ((fd = drmOpenMinor(0, 1, DRM_NODE_PRIMARY)) < 0) {

-#ifdef __linux__

-        /* Try proc for backward Linux compatibility */

-        if (!access("/proc/dri/0", R_OK))

-            return 1;

-#endif

         return 0;

     }

@@ -704,38 +699,6 @@ static int drmOpenByName(const char *nam

         }

     }

-#ifdef __linux__

-    /* Backward-compatibility /proc support */

-    for (i = 0; i < 8; i++) {

-        char proc_name[64], buf[512];

-        char *driver, *pt, *devstring;

-        int  retcode;

-

-        sprintf(proc_name, "/proc/dri/%d/name", i);

-        if ((fd = open(proc_name, O_RDONLY, 0)) >= 0) {

-            retcode = read(fd, buf, sizeof(buf)-1);

-            close(fd);

-            if (retcode) {

-                buf[retcode-1] = '\0';

-                for (driver = pt = buf; *pt && *pt != ' '; ++pt)

-                    ;

-                if (*pt) { /* Device is next */

-                    *pt = '\0';

-                    if (!strcmp(driver, name)) { /* Match */

-                        for (devstring = ++pt; *pt && *pt != ' '; ++pt)

-                            ;

-                        if (*pt) { /* Found busid */

-                            return drmOpenByBusid(++pt, type);

-                        } else { /* No busid */

-                            return drmOpenDevice(strtol(devstring, NULL, 0),i, type);

-                        }

-                    }

-                }

-            }

-        }

-    }

-#endif

-

     return -1;

 }