1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0053-drm-amd-display-avoid-apply_clk_constraints-for-addr.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0053-drm-amd-display-avoid-apply_clk_constraints-for-addr.patch
new file mode 100644
index 00000000..98bb31a2
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0053-drm-amd-display-avoid-apply_clk_constraints-for-addr.patch
@@ -0,0 +1,39 @@
+From 2e6b21e8aff65bb8983df42172539768db49e96a Mon Sep 17 00:00:00 2001
+From: Tony Cheng <tony.cheng@amd.com>
+Date: Tue, 6 Dec 2016 21:22:17 -0500
+Subject: [PATCH 0053/4131] drm/amd/display: avoid apply_clk_constraints for
+ address update
+
+- dc_update_surfaces_for_target get called in ISR but apply_clk_constraints allocates memory
+
+Signed-off-by: Tony Cheng <tony.cheng@amd.com>
+Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
+index 70b7673..522ef70 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
+@@ -1336,6 +1336,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
+ 	int i, j;
+ 	bool is_new_pipe_surface[MAX_PIPES];
+ 	const struct dc_surface *new_surfaces[MAX_SURFACES] = { 0 };
++	bool need_apply_clk_constraints = false;
+ 
+ 	update_surface_trace(dc, updates, surface_count);
+ 
+@@ -1405,6 +1406,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
+ 
+ 			if (updates[i].plane_info || updates[i].scaling_info
+ 					|| is_new_pipe_surface[j]) {
++				need_apply_clk_constraints = true;
+ 
+ 				if (updates[i].plane_info) {
+ 					surface->public.color_space =
+-- 
+2.7.4
+