From: Corbin McElhanney <corbin.mcelhanney@amd.com>
Date: Thu, 1 Jun 2017 20:54:53 +0000 (-0400)
Subject: drm/amd/display: Add assertion for invalid surface dimensions
X-Git-Tag: v4.15-rc1~56^2~23^2~436
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=556ee1b75c94cd88710e2fa8c83e2dc22717fc4f;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Add assertion for invalid surface dimensions

Signed-off-by: Corbin McElhanney <corbin.mcelhanney@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>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 976229eb2492a..f5102b644942e 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1258,8 +1258,10 @@ void dc_update_surfaces_and_stream(struct dc *dc,
 			srf_updates->surface->src_rect.height == 0 &&
 			srf_updates->surface->dst_rect.width == 0 &&
 			srf_updates->surface->dst_rect.height == 0 &&
-			!srf_updates->scaling_info)
+			!srf_updates->scaling_info) {
+		ASSERT(false);
 		return;
+	}
 
 	update_type = dc_check_update_surfaces_for_stream(
 			dc, srf_updates, surface_count, stream_update, stream_status);