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From 837dd6f478f682226da1349fbe3ec03c9e812c4e Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Fri, 28 Jul 2017 08:16:27 -0400
Subject: [PATCH 0990/4131] drm/amd/display: Fixed mpc add, enable always
scaler for video surface.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c | 6 +++---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c | 4 ++++
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
index 52f2f2d..ce408cc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
@@ -229,9 +229,9 @@ static void mpc10_mpcc_add(struct mpc *mpc, struct mpcc_cfg *cfg)
mpc10_set_bg_color(mpc10, &cfg->black_color, mpcc_id);
mpc10->mpcc_in_use_mask |= 1 << mpcc_id;
- for (z_idx = cfg->z_index; z_idx < cfg->opp->mpc_tree.num_pipes; z_idx++) {
- cfg->opp->mpc_tree.dpp[z_idx + 1] = cfg->opp->mpc_tree.dpp[z_idx];
- cfg->opp->mpc_tree.mpcc[z_idx + 1] = cfg->opp->mpc_tree.mpcc[z_idx];
+ for (z_idx = cfg->opp->mpc_tree.num_pipes; z_idx > cfg->z_index; z_idx--) {
+ cfg->opp->mpc_tree.dpp[z_idx] = cfg->opp->mpc_tree.dpp[z_idx - 1];
+ cfg->opp->mpc_tree.mpcc[z_idx] = cfg->opp->mpc_tree.mpcc[z_idx - 1];
}
cfg->opp->mpc_tree.dpp[cfg->z_index] = cfg->mi->inst;
cfg->opp->mpc_tree.mpcc[cfg->z_index] = mpcc_id;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index ee43cbc..9c7ec04 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -422,6 +422,10 @@ static const struct dc_debug debug_defaults_drv = {
.force_abm_enable = false,
.timing_trace = false,
.clock_trace = true,
+ /* spread sheet doesn't handle taps_c is one properly,
+ * need to enable scaler for video surface to pass
+ * bandwidth validation.*/
+ .always_scale = true,
.disable_pplib_clock_request = true,
.disable_pplib_wm_range = false,
#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
--
2.7.4
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