evie/android_kernel_oneplus_msm8998
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msm: mdss: share fb memory ion fd to userspace for mdp3

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Add changes to share ion fd to userspace for mapping to
the frame buffer memory for mdp3.

Change-Id: I59c2cacde89abbd8919752c129ae8cf304208052
Signed-off-by: Shivaraj Shetty <shivaraj@codeaurora.org>
This commit is contained in:
Shivaraj Shetty 2014-10-09 22:52:39 +05:30 • committed by David Keitel
parent 8d0fd645ad
commit 2b1912967b
1 changed files with 10 additions and 0 deletions
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10
drivers/video/fbdev/msm/mdp3_ctrl.c
View file

@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/uaccess.h>
#include <linux/delay.h>
#include <linux/dma-buf.h>
#include "mdp3_ctrl.h"
#include "mdp3.h"
@ -1266,6 +1267,15 @@ static int mdp3_get_metadata(struct msm_fb_data_type *mfd,
return ret;
}
break;
case metadata_op_get_ion_fd:
if (mfd->fb_ion_handle) {
metadata->data.fbmem_ionfd =
dma_buf_fd(mfd->fbmem_buf, 0);
if (metadata->data.fbmem_ionfd < 0)
pr_err("fd allocation failed. fd = %d\n",
metadata->data.fbmem_ionfd);
}
break;
default:
pr_warn("Unsupported request to MDP GET META IOCTL.\n");
ret = -EINVAL;