drm/amd/display: Enable 3 plane for DCN 3.01

Steam Deck/Gamescope wants to take advantage of more planes which is
possible on VanGogh but was not previously exposed.

Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Melissa Wen <mwen@igalia.com>
Cc: Simon Ser <contact@emersion.fr>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Joshua Ashton <joshua@froggi.es>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index 1bee9a4636e627c5018cf81c36bf9d82937b0dc3..f856a4773c27a642a3141c7d3033694781a3c504 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1425,9 +1425,9 @@ static bool dcn301_resource_construct(
        dc->caps.max_cursor_size = 256;
        dc->caps.min_horizontal_blanking_period = 80;
        dc->caps.dmdata_alloc_size = 2048;
-       dc->caps.max_slave_planes = 1;
-       dc->caps.max_slave_yuv_planes = 1;
-       dc->caps.max_slave_rgb_planes = 1;
+       dc->caps.max_slave_planes = 2;
+       dc->caps.max_slave_yuv_planes = 2;
+       dc->caps.max_slave_rgb_planes = 2;
        dc->caps.is_apu = true;
        dc->caps.post_blend_color_processing = true;
        dc->caps.force_dp_tps4_for_cp2520 = true;