1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4262-drm-amd-display-fix-hubbub-deadline-programing.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4262-drm-amd-display-fix-hubbub-deadline-programing.patch
new file mode 100644
index 00000000..03552f62
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4262-drm-amd-display-fix-hubbub-deadline-programing.patch
@@ -0,0 +1,44 @@
+From 3e524c60423cee992127ddc9487298a65bffb782 Mon Sep 17 00:00:00 2001
+From: Eric Yang <Eric.Yang2@amd.com>
+Date: Thu, 10 Oct 2019 11:25:48 -0400
+Subject: [PATCH 4262/4736] drm/amd/display: fix hubbub deadline programing
+
+[Why]
+Fix the programming of DCHUBBUB_ARB_REFCYC_PER_TRIP_TO_MEMORY_A.
+Was not filled in.
+
+Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
+Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Leo Li <sunpeng.li@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 1 +
+ drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 1 +
+ 2 files changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+index 9c96242f0ad9..b6ec81096d3a 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+@@ -2632,6 +2632,7 @@ static void dcn20_calculate_wm(
+ #if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ 	context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ 	context->bw_ctx.bw.dcn.watermarks.b.frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
++	context->bw_ctx.bw.dcn.watermarks.b.urgent_latency_ns = get_urgent_latency(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
+ #endif
+ 
+ 	if (vlevel < 2) {
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+index 910c850701af..ff32c7380efb 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+@@ -1009,6 +1009,7 @@ static void calculate_wm_set_for_vlevel(
+ #if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+ 	wm_set->frac_urg_bw_nom = get_fraction_of_urgent_bandwidth(dml, pipes, pipe_cnt) * 1000;
+ 	wm_set->frac_urg_bw_flip = get_fraction_of_urgent_bandwidth_imm_flip(dml, pipes, pipe_cnt) * 1000;
++	wm_set->urgent_latency_ns = get_urgent_latency(dml, pipes, pipe_cnt) * 1000;
+ #endif
+ 	dml->soc.dram_clock_change_latency_us = dram_clock_change_latency_cached;
+ 
+-- 
+2.17.1
+