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drm/amd/display: add pipe locking before front end programing

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Add pipe locking/unlocking before we program the front end

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha 2017-11-24 17:26:28 -05:00 committed by Alex Deucher
parent 0507f438ea
commit b216211717
1 changed files with 21 additions and 5 deletions
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26
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
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@ -2866,16 +2866,19 @@ static void dce110_apply_ctx_for_surface(
int num_planes,
struct dc_state *context)
{
int i, be_idx;
int i;
if (num_planes == 0)
return;
be_idx = -1;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
if (stream == context->res_ctx.pipe_ctx[i].stream) {
be_idx = context->res_ctx.pipe_ctx[i].stream_res.tg->inst;
break;
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
if (stream == pipe_ctx->stream) {
if (!pipe_ctx->top_pipe &&
(pipe_ctx->plane_state || old_pipe_ctx->plane_state))
dc->hwss.pipe_control_lock(dc, pipe_ctx, true);
}
}
@ -2895,9 +2898,22 @@ static void dce110_apply_ctx_for_surface(
context->stream_count);
dce110_program_front_end_for_pipe(dc, pipe_ctx);
dc->hwss.update_plane_addr(dc, pipe_ctx);
program_surface_visibility(dc, pipe_ctx);
}
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
struct pipe_ctx *old_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
if ((stream == pipe_ctx->stream) &&
(!pipe_ctx->top_pipe) &&
(pipe_ctx->plane_state || old_pipe_ctx->plane_state))
dc->hwss.pipe_control_lock(dc, pipe_ctx, false);
}
}
static void dce110_power_down_fe(struct dc *dc, int fe_idx)