From ce3b4b2a3c58653b285a543227e5a64a3d828327 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Thu, 3 Nov 2016 11:52:44 +0200
Subject: dumbfb: pass O_RDWR to drmPrimeHandleToFD()
This enables write access to the dumb fb with mmap().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
kms++/src/dumbframebuffer.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'kms++/src')
diff --git a/kms++/src/dumbframebuffer.cpp b/kms++/src/dumbframebuffer.cpp
index d22b9f3..b21e8ff 100644
--- a/kms++/src/dumbframebuffer.cpp
+++ b/kms++/src/dumbframebuffer.cpp
@@ -127,7 +127,7 @@ int DumbFramebuffer::prime_fd(unsigned int plane)
return m_planes[plane].prime_fd;
int r = drmPrimeHandleToFD(card().fd(), m_planes[plane].handle,
- DRM_CLOEXEC, &m_planes[plane].prime_fd);
+ DRM_CLOEXEC | O_RDWR, &m_planes[plane].prime_fd);
if (r)
throw std::runtime_error("drmPrimeHandleToFD failed");
--
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