diff options
| author | Hersen Wu <hersenxs.wu@amd.com> | 2018-07-27 21:52:37 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-08-06 23:57:51 +0300 |
| commit | 1e1dbd6fd10031bf46d9e44b6ad423e2ee39e2a7 (patch) | |
| tree | d4ae44ef009ddd2047f4bcd446213c039fc17255 /drivers/gpu/drm/amd/display | |
| parent | 81aca8e75c1b046865fb2badef95a0dcff6f73de (diff) | |
| download | linux-1e1dbd6fd10031bf46d9e44b6ad423e2ee39e2a7.tar.xz | |
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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 3ecd2d614f41..e2f033d420a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -79,6 +79,7 @@ struct dc_caps { bool post_blend_color_processing; bool force_dp_tps4_for_cp2520; bool disable_dp_clk_share; + bool psp_setup_panel_mode; }; struct dc_dcc_surface_param { 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); diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c index 61d8e22d23c9..d43f37d99c7d 100644 --- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c @@ -883,6 +883,7 @@ static bool construct( dc->caps.i2c_speed_in_khz = 100; dc->caps.max_cursor_size = 128; dc->caps.dual_link_dvi = true; + dc->caps.psp_setup_panel_mode = true; dc->debug = debug_defaults; |