From: Hersen Wu <hersenxs.wu@xxxxxxx>
[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.
Change-Id: I9fcd7424c60a8003ae186d481992d6db126856ae
Signed-off-by: Hersen Wu <hersenxs.wu at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
---
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 5 +++++
drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c | 1 +
3 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 717f67ccc86d..68bca8dbbdca 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;
--
2.14.1
