From 357ef598827ee93a21a8410080f2528b6fb14a26 Mon Sep 17 00:00:00 2001
From: Hemant Hariyani <hemanthariyani@ti.com>
Date: Wed, 24 Apr 2019 10:08:41 -0700
Subject: [PATCH] libdrm: omap: Add DRM_RDWR flag to dmabuf export

Allows mmap on dmabuf fd with MAP_SHARED and PROT_WRITE.

This fixes boot failures with Android (likely w/ closed source
user-space drivers) that were caused due to mmap() returning
error.

Cc: Sean Paul <seanpaul@chromium.org>
Cc: Alistair Strachan <astrachan@google.com>
Cc: Marissa Wall <marissaw@google.com>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Hemant Hariyani <hemanthariyani@ti.com>
[picked and updated commitmsg from http://git.ti.com/cgit/cgit.cgi/android/external-libdrm.git/]
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Signed-off-by: Alistair Strachan <astrachan@google.com>
[jstultz: Tweaked commit message]
Signed-off-by: John Stultz <john.stultz@linaro.org>
---
 omap/omap_drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/omap/omap_drm.c b/omap/omap_drm.c
index 3aed4e0a..ffacea69 100644
--- a/omap/omap_drm.c
+++ b/omap/omap_drm.c
@@ -414,7 +414,7 @@ drm_public int omap_bo_dmabuf(struct omap_bo *bo)
 	if (bo->fd < 0) {
 		struct drm_prime_handle req = {
 				.handle = bo->handle,
-				.flags = DRM_CLOEXEC,
+				.flags = DRM_CLOEXEC | DRM_RDWR,
 		};
 		int ret;