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drm/amd/display: Remove dangling planes on dc commit state

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When disabling pipe splitting, we need to make sure we disable both
planes used.

This should be done for Linux as well.

Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@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>
This commit is contained in:
Leo (Sunpeng) Li 2017-11-07 13:21:02 -05:00 committed by Alex Deucher
parent 3f0260f6fb
commit 524bed9a2b
1 changed files with 35 additions and 2 deletions
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37
drivers/gpu/drm/amd/display/dc/core/dc.c
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@ -619,6 +619,39 @@ fail:
return false;
}
static void disable_dangling_plane(struct dc *dc, struct dc_state *context)
{
int i, j;
struct dc_state *dangling_context = dc_create_state();
struct dc_state *current_ctx;
if (dangling_context == NULL)
return;
dc_resource_state_copy_construct(dc->current_state, dangling_context);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct dc_stream_state *old_stream =
dc->current_state->res_ctx.pipe_ctx[i].stream;
bool should_disable = true;
for (j = 0; j < context->stream_count; j++) {
if (old_stream == context->streams[j]) {
should_disable = false;
break;
}
}
if (should_disable && old_stream) {
dc_rem_all_planes_for_stream(dc, old_stream, dangling_context);
dc->hwss.apply_ctx_for_surface(dc, old_stream, 0, dangling_context);
}
}
current_ctx = dc->current_state;
dc->current_state = dangling_context;
dc_release_state(current_ctx);
}
/*******************************************************************************
* Public functions
******************************************************************************/
@ -801,6 +834,8 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
int i, j, k, l;
struct dc_stream_state *dc_streams[MAX_STREAMS] = {0};
disable_dangling_plane(dc, context);
for (i = 0; i < context->stream_count; i++)
dc_streams[i] = context->streams[i];
@ -830,8 +865,6 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
}
}
CONN_MSG_MODE(sink->link, "{%dx%d, %dx%d@%dKhz}",
context->streams[i]->timing.h_addressable,
context->streams[i]->timing.v_addressable,