diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2019-02-01 07:31:47 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-05 15:09:33 -0500 |
| commit | 4a797d24fe0dc75063e8cfc312d20abff8a0ea99 (patch) | |
| tree | cb7f0a6b97ca0f3109bb0de5634634a193b95238 /drivers/gpu/drm/amd/display | |
| parent | 2750160bccab4d7a4017197a3f0d75ee8cc4c6af (diff) | |
| download | linux-4a797d24fe0dc75063e8cfc312d20abff8a0ea99.tar.bz2 | |
drm/amd/display: Allow for plane-less resource reservation
This change changes dc add plane logic to allow plane-less resource
reservation (pipe split).
If a free pipe_ctx (no plane_state attached) is the head pipe, and is
found with a bottom pipe attached, assign the plane to add on the bottom
pipe.
In addition, prepend dcn10 to dcn10-specific reset_back_end_for_pipe
and reset_hw_ctx_wrap
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 11 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 349ab8017776..0c3e8663d7b4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1214,6 +1214,9 @@ bool dc_add_plane_to_context( free_pipe->clock_source = tail_pipe->clock_source; free_pipe->top_pipe = tail_pipe; tail_pipe->bottom_pipe = free_pipe; + } else if (free_pipe->bottom_pipe && free_pipe->bottom_pipe->plane_state == NULL) { + ASSERT(free_pipe->bottom_pipe->stream_res.opp != free_pipe->stream_res.opp); + free_pipe->bottom_pipe->plane_state = plane_state; } /* assign new surfaces*/ 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 5326bb8d5b02..f7f7ca61abdd 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 @@ -732,7 +732,7 @@ static enum dc_status dcn10_enable_stream_timing( return DC_OK; } -static void reset_back_end_for_pipe( +static void dcn10_reset_back_end_for_pipe( struct dc *dc, struct pipe_ctx *pipe_ctx, struct dc_state *context) @@ -1173,7 +1173,7 @@ static void dcn10_init_hw(struct dc *dc) memset(&dc->res_pool->clk_mgr->clks, 0, sizeof(dc->res_pool->clk_mgr->clks)); } -static void reset_hw_ctx_wrap( +static void dcn10_reset_hw_ctx_wrap( struct dc *dc, struct dc_state *context) { @@ -1195,10 +1195,9 @@ static void reset_hw_ctx_wrap( pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) { struct clock_source *old_clk = pipe_ctx_old->clock_source; - reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state); - if (dc->hwss.enable_stream_gating) { + dcn10_reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state); + if (dc->hwss.enable_stream_gating) dc->hwss.enable_stream_gating(dc, pipe_ctx); - } if (old_clk) old_clk->funcs->cs_power_down(old_clk); } @@ -2944,7 +2943,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = { .pipe_control_lock = dcn10_pipe_control_lock, .prepare_bandwidth = dcn10_prepare_bandwidth, .optimize_bandwidth = dcn10_optimize_bandwidth, - .reset_hw_ctx_wrap = reset_hw_ctx_wrap, + .reset_hw_ctx_wrap = dcn10_reset_hw_ctx_wrap, .enable_stream_timing = dcn10_enable_stream_timing, .set_drr = set_drr, .get_position = get_position, |