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authorEric Yang <Eric.Yang2@amd.com>2018-03-14 17:41:57 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-04-11 13:07:42 -0500
commit4173c0bdd7b79ef46161037f8845654416dbaca9 (patch)
treeb470329caa7a1bcdb88ae6246ac48ff2450b62ce /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
parentd72eb20379022a948c219e1fc451b6b0200cc7c5 (diff)
drm/amd/display: Only update mpc blend config if not full update
The current mpcc insert/remove logic does not support updating only a single mpcc. So when pixel alpha changed but no full update we can mistakenly shuffle the mpcc layering order. With this change we will only insert/remove mpcc if there is full update. Signed-off-by: Eric Yang <Eric.Yang2@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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 675a81a87099..27ae88e3a373 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1631,6 +1631,8 @@ static void update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
struct mpc *mpc = dc->res_pool->mpc;
struct mpc_tree *mpc_tree_params = &(pipe_ctx->stream_res.opp->mpc_tree_params);
+
+
/* TODO: proper fix once fpga works */
if (dc->debug.surface_visual_confirm)
@@ -1657,6 +1659,7 @@ static void update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
pipe_ctx->stream->output_color_space)
&& per_pixel_alpha;
+
/*
* TODO: remove hack
* Note: currently there is a bug in init_hw such that
@@ -1667,6 +1670,12 @@ static void update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
*/
mpcc_id = hubp->inst;
+ /* If there is no full update, don't need to touch MPC tree*/
+ if (!pipe_ctx->plane_state->update_flags.bits.full_update) {
+ mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
+ return;
+ }
+
/* check if this MPCC is already being used */
new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
/* remove MPCC if being used */