Attachment 212502 Details for Bug 244877 – mesa-dri: patch for anv_gem.c

[patch] mesa-dri: patch for anv_gem.c

mesa-dri-unsynchronized-v1.diff (text/plain), 1.19 KB, created by Austin Shafer on 2020-03-18 17:43:26 UTC

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Creator: Austin Shafer

Created: 2020-03-18 17:43:26 UTC

Size: 1.19 KB

patch

obsolete

>Index: files/patch-src_intel_vulkan_anv__gem.c
>===================================================================
>--- files/patch-src_intel_vulkan_anv__gem.c	(revision 527733)
>+++ files/patch-src_intel_vulkan_anv__gem.c	(working copy)
>@@ -1,6 +1,6 @@
> - Define ETIME if missing
> 
>---- src/intel/vulkan/anv_gem.c.orig	2017-10-23 13:21:18 UTC
>+--- src/intel/vulkan/anv_gem.c.orig	2019-01-17 11:26:23 UTC
> +++ src/intel/vulkan/anv_gem.c
> @@ -26,6 +26,9 @@
>  #include <sys/mman.h>
>@@ -12,3 +12,25 @@
>  #include <unistd.h>
>  #include <fcntl.h>
>  
>+@@ -116,9 +119,19 @@ anv_gem_userptr(struct anv_device *device, void *mem, 
>+       .flags = 0,
>+    };
>+ 
>+-   int ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr);
>+-   if (ret == -1)
>++   int ret;
>++retry:
>++   ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr);
>++   if (ret == -1) {
>++      if (errno == ENODEV && userptr.flags == 0) {
>++         userptr.flags = I915_USERPTR_UNSYNCHRONIZED;
>++         goto retry;
>++      }
>++      if (geteuid() != 0) {
>++	      fprintf(stderr, "%s", "ioctl(I915_GEM_USERPTR) failed. Try running as root but expect poor stability.\n");
>++      }
>+       return 0;
>++   }
>+ 
>+    return userptr.handle;
>+ }

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Attachments on bug 244877: 212484 | 212502