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From c15cfa53f73a5b75668d2376b8da55e8977b62a0 Mon Sep 17 00:00:00 2001
From: Anthony Koo <Anthony.Koo@amd.com>
Date: Tue, 26 Jan 2016 11:24:13 -0500
Subject: [PATCH 0736/1110] drm/amd/dal: Block commit surfaces to targets that
have not been committed
[Description]
If a target is not committed, it should be in powergated state.
In which case we should program it.
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/dal/dc/core/dc_target.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_target.c b/drivers/gpu/drm/amd/dal/dc/core/dc_target.c
index 7f4f2f3..8cb05b7 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc_target.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc_target.c
@@ -236,10 +236,19 @@ bool dc_commit_surfaces_to_target(
int new_enabled_surface_count = 0;
if (!dal_adapter_service_is_in_accelerated_mode(
- dc->res_pool.adapter_srv)) {
+ dc->res_pool.adapter_srv) ||
+ dc->current_context.target_count == 0) {
return false;
}
+ for (i = 0; i < dc->current_context.target_count; i++)
+ if (target == dc->current_context.targets[i])
+ break;
+
+ /* Cannot commit surface to a target that is not commited */
+ if (i == dc->current_context.target_count)
+ return false;
+
for (i = 0; i < target->status.surface_count; i++)
if (target->status.surfaces[i]->visible)
current_enabled_surface_count++;
--
2.7.4
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