a7y18lte-ubports/android_kernel_samsung_a7y18lte
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

video/hdmi: Fix AVI bar unpack

Browse Source 
commit 6039f37dd6b76641198e290f26b31c475248f567 upstream.

The bar values are little endian, not big endian. The pack
function did it right but the unpack got it wrong. Fix it.

Cc: stable@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: Martin Bugge <marbugge@cisco.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Fixes: 2c676f378edb ("[media] hdmi: added unpack and logging functions for InfoFrames")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919132853.30954-1-ville.syrjala@linux.intel.com
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ville Syrjälä 2019-09-19 16:28:53 +03:00 committed by prashantpaddune
parent 526bf191b7
commit 2bec4a096f
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/video/hdmi.c
View File

@ -1032,12 +1032,12 @@ static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame,
if (ptr[0] & 0x10)
frame->active_aspect = ptr[1] & 0xf;
if (ptr[0] & 0x8) {
frame->top_bar = (ptr[5] << 8) + ptr[6];
frame->bottom_bar = (ptr[7] << 8) + ptr[8];
frame->top_bar = (ptr[6] << 8) | ptr[5];
frame->bottom_bar = (ptr[8] << 8) | ptr[7];
}
if (ptr[0] & 0x4) {
frame->left_bar = (ptr[9] << 8) + ptr[10];
frame->right_bar = (ptr[11] << 8) + ptr[12];
frame->left_bar = (ptr[10] << 8) | ptr[9];
frame->right_bar = (ptr[12] << 8) | ptr[11];
}
frame->scan_mode = ptr[0] & 0x3;