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From 736d31f138bbadbc13a6397af5d220bcf978869d Mon Sep 17 00:00:00 2001
From: Yongqiang Sun <yongqiang.sun@amd.com>
Date: Thu, 22 Dec 2016 10:48:19 -0500
Subject: [PATCH 0098/4131] drm/amd/display: Fixed split update bug.
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e6010ab..5e60640 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1333,6 +1333,7 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
bool is_new_pipe_surface[MAX_PIPES];
const struct dc_surface *new_surfaces[MAX_SURFACES] = { 0 };
bool need_apply_clk_constraints = false;
+ bool can_skip_context_building = true;
update_surface_trace(dc, updates, surface_count);
@@ -1355,17 +1356,26 @@ void dc_update_surfaces_for_target(struct dc *dc, struct dc_surface_update *upda
for (i = 0 ; i < surface_count; i++) {
struct core_surface *surface = DC_SURFACE_TO_CORE(updates[i].surface);
+ bool existing_surface = false;
new_surfaces[i] = updates[i].surface;
+
for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
- if (surface == pipe_ctx->surface)
+ if (surface == pipe_ctx->surface) {
+ existing_surface = true;
is_new_pipe_surface[j] = false;
+ }
}
+
+ if (updates[i].plane_info ||
+ updates[i].scaling_info ||
+ !existing_surface)
+ can_skip_context_building = false;
}
- if (dc_target) {
+ if (!can_skip_context_building && dc_target) {
struct core_target *target = DC_TARGET_TO_CORE(dc_target);
if (core_dc->current_context->target_count == 0)
--
2.7.4
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