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authorHugo Hu <hugo.hu@amd.com>2019-02-27 15:18:08 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-03-20 23:39:48 -0500
commit3d5cc272319d6b7bf2e7d8aa9b1c3b0fe3e85b3f (patch)
treeef40d2d2d0b87f354b588b236d0ae8bfff142ec7 /drivers/gpu/drm/amd/display/modules
parent8db89b2e39ffe363f27fdd335e35b59c90979ea5 (diff)
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drm/amd/display: Programming correct VRR_EN bit in VTEM structure
[Why] In HDMI plugfest, MTK report our EMP with VRR_EN bit = 0. VRR_EN bit is EMP-MD0-bit 0. Currently driver set 1 to bit 3. [How] Programming correct VRR_EN bit in EMP-MD0-bit0. Signed-off-by: Hugo Hu <hugo.hu@amd.com> Reviewed-by: Reza Amini <Reza.Amini@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 5f493e9d6bbb..8f6f744fb2be 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -622,9 +622,9 @@ static void build_vrr_vtem_infopacket_data(const struct dc_stream_state *stream,
if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
vrr->state == VRR_STATE_ACTIVE_FIXED){
- infopacket->sb[6] |= 0x80; //VRR_EN Bit = 1
+ infopacket->sb[6] |= 0x01; //VRR_EN Bit = 1
} else {
- infopacket->sb[6] &= 0x7F; //VRR_EN Bit = 0
+ infopacket->sb[6] &= 0xFE; //VRR_EN Bit = 0
}
if (!stream->timing.vic) {