automatic import of libdrmopeneuler24.09openeuler24.03_LTS

1 files changed, 53 insertions, 0 deletions

diff --git a/libdrm-2.4.0-no-bc.patch b/libdrm-2.4.0-no-bc.patch
new file mode 100644
index 0000000..db9ff41
--- /dev/null
+++ b/libdrm-2.4.0-no-bc.patch
@@ -0,0 +1,53 @@
+diff -up libdrm-2.4.114/xf86drm.c.dma libdrm-2.4.114/xf86drm.c
+--- libdrm-2.4.114/xf86drm.c.dma	2022-11-03 18:33:36.000000000 +1000
++++ libdrm-2.4.114/xf86drm.c	2022-11-10 05:39:58.652477119 +1000
+@@ -930,11 +930,6 @@ 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;
+     }
+ 
+@@ -1127,38 +1122,6 @@ 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) {
+-            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;
+ }