diff options
| author |   Hersen Wu <hersenxs.wu@amd.com> | 2018-07-27 14:52:37 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-08-06 15:57:51 -0500 |
| commit | 1e1dbd6fd10031bf46d9e44b6ad423e2ee39e2a7 (patch) | |
| tree | d4ae44ef009ddd2047f4bcd446213c039fc17255 /drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | |
| parent | drm/amd/display: update clk for various HDMI color depths (diff) | |
| download | linux-dev-1e1dbd6fd10031bf46d9e44b6ad423e2ee39e2a7.tar.xz linux-dev-1e1dbd6fd10031bf46d9e44b6ad423e2ee39e2a7.zip | |
drm/amd/display: display connected to dp-1 does not light up
[why]
for vega, dp set_panel_mode is
handled by psp firmware. dal should not program the
register again.
[how]
dal does not program panel mode.
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@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/dc/dce/dce_link_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index 60e3c6a73d37..752b3d62e793 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -256,6 +256,11 @@ static void setup_panel_mode( enum dp_panel_mode panel_mode) { uint32_t value; + struct dc_context *ctx = enc110->base.ctx; + + /* if psp set panel mode, dal should be program it */ + if (ctx->dc->caps.psp_setup_panel_mode) + return; ASSERT(REG(DP_DPHY_INTERNAL_CTRL)); value = REG_READ(DP_DPHY_INTERNAL_CTRL); |