From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Tue, 3 Oct 2017 11:11:28 -0400
Subject: drm/amd/display: block video planes >4k on dcn10
Git-commit: bac4c5592774fef2503c3204e8f947ce595bfcdf
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -1163,6 +1163,14 @@ static void dcn10_destroy_resource_pool(
*pool = NULL;
}
+enum dc_status dcn10_validate_plane(const struct dc_plane_state *plane_state)
+{
+ if (plane_state->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN
+ && plane_state->src_rect.width > 3840)
+ return DC_FAIL_SURFACE_VALIDATE;
+
+ return DC_OK;
+}
static struct dc_cap_funcs cap_funcs = {
.get_dcc_compression_cap = get_dcc_compression_cap
@@ -1174,6 +1182,7 @@ static struct resource_funcs dcn10_res_p
.validate_guaranteed = dcn10_validate_guaranteed,
.validate_bandwidth = dcn_validate_bandwidth,
.acquire_idle_pipe_for_layer = dcn10_acquire_idle_pipe_for_layer,
+ .validate_plane = dcn10_validate_plane,
.add_stream_to_ctx = dcn10_add_stream_to_ctx
};