libdrm: add upstream patches

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/graphics/libdrm/patches/libdrm-upstream.patch

@@ -0,0 +1,24 @@
+From c8a437f4c76527b3c8385699ccee07f35fe3f166 Mon Sep 17 00:00:00 2001
+From: Michel Dänzer <michel.daenzer@amd.com>
+Date: Tue, 26 Nov 2013 09:16:03 +0000
+Subject: radeon: Update unaligned offset for 2D->1D tiling transition on SI
+
+Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71983
+
+Tested-by: Arek Ruśniak <arek.rusi@gmail.com>
+---
+diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c
+index b528a48..dcbbfdc 100644
+--- a/radeon/radeon_surface.c
++++ b/radeon/radeon_surface.c
+@@ -1667,7 +1667,7 @@ static int si_surface_init_2d(struct radeon_surface_manager *surf_man,
+             return si_surface_init_1d(surf_man, surf, level, bpe, tile_mode, offset, i);
+         }
+         /* level0 and first mipmap need to have alignment */
+-        aligned_offset = surf->bo_size;
++        aligned_offset = offset = surf->bo_size;
+         if ((i == 0)) {
+             aligned_offset = ALIGN(aligned_offset, surf->bo_alignment);
+         }
+--
+cgit v0.9.0.2-2-gbebe