From: Anthony Koo Anthony.Koo@amd.com
[ Upstream commit bbf5f6c3f83bedd71006473849138a446ad4d9a3 ]
[Why] Eventually want to lock at a higher level in stack. To do this, we need to be able to isolate the parts that need to be done after pipe unlock.
[How] Split out programming that is done post unlock.
Signed-off-by: Anthony Koo Anthony.Koo@amd.com Reviewed-by: Aric Cyr Aric.Cyr@amd.com Acked-by: Bhawanpreet Lakha Bhawanpreet.Lakha@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/core/dc.c | 24 +++++++++--- .../display/dc/dce110/dce110_hw_sequencer.c | 6 +++ .../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 39 ++++++++++++++++--- .../amd/display/dc/dcn10/dcn10_hw_sequencer.h | 3 ++ .../gpu/drm/amd/display/dc/dcn10/dcn10_init.c | 1 + .../drm/amd/display/dc/dcn20/dcn20_hwseq.c | 11 +++++- .../drm/amd/display/dc/dcn20/dcn20_hwseq.h | 3 ++ .../gpu/drm/amd/display/dc/dcn20/dcn20_init.c | 1 + .../gpu/drm/amd/display/dc/dcn21/dcn21_init.c | 1 + .../gpu/drm/amd/display/dc/inc/hw_sequencer.h | 2 + 10 files changed, 79 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index b3987124183a..66be2920fab0 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -788,11 +788,15 @@ static void disable_dangling_plane(struct dc *dc, struct dc_state *context) if (should_disable && old_stream) { dc_rem_all_planes_for_stream(dc, old_stream, dangling_context); disable_all_writeback_pipes_for_stream(dc, old_stream, dangling_context); - if (dc->hwss.apply_ctx_for_surface) + if (dc->hwss.apply_ctx_for_surface) { dc->hwss.apply_ctx_for_surface(dc, old_stream, 0, dangling_context); + dc->hwss.post_unlock_program_front_end(dc, dangling_context); + } + if (dc->hwss.program_front_end_for_ctx) { + dc->hwss.program_front_end_for_ctx(dc, dangling_context); + dc->hwss.post_unlock_program_front_end(dc, dangling_context); + } } - if (dc->hwss.program_front_end_for_ctx) - dc->hwss.program_front_end_for_ctx(dc, dangling_context); }
current_ctx = dc->current_state; @@ -1220,6 +1224,7 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c dc, context->streams[i], context->stream_status[i].plane_count, context); /* use new pipe config in new context */ + dc->hwss.post_unlock_program_front_end(dc, context); }
/* Program hardware */ @@ -1239,19 +1244,24 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c }
/* Program all planes within new context*/ - if (dc->hwss.program_front_end_for_ctx) + if (dc->hwss.program_front_end_for_ctx) { dc->hwss.program_front_end_for_ctx(dc, context); + dc->hwss.post_unlock_program_front_end(dc, context); + } + for (i = 0; i < context->stream_count; i++) { const struct dc_link *link = context->streams[i]->link;
if (!context->streams[i]->mode_changed) continue;
- if (dc->hwss.apply_ctx_for_surface) + if (dc->hwss.apply_ctx_for_surface) { dc->hwss.apply_ctx_for_surface( dc, context->streams[i], context->stream_status[i].plane_count, context); + dc->hwss.post_unlock_program_front_end(dc, context); + }
/* * enable stereo @@ -2190,6 +2200,7 @@ static void commit_planes_for_stream(struct dc *dc, if (dc->hwss.program_front_end_for_ctx) dc->hwss.program_front_end_for_ctx(dc, context);
+ dc->hwss.post_unlock_program_front_end(dc, context); return; }
@@ -2322,6 +2333,9 @@ static void commit_planes_for_stream(struct dc *dc, dc->hwss.pipe_control_lock(dc, top_pipe_to_program, false); }
+ if (update_type != UPDATE_TYPE_FAST) + dc->hwss.post_unlock_program_front_end(dc, context); + // Fire manual trigger only when bottom plane is flipped for (j = 0; j < dc->res_pool->pipe_count; j++) { struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j]; diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 5b689273ff44..a961b94aefd9 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -2621,6 +2621,11 @@ static void dce110_apply_ctx_for_surface( enable_fbc(dc, context); }
+static void dce110_post_unlock_program_front_end( + struct dc *dc, + struct dc_state *context) +{ +} static void dce110_power_down_fe(struct dc *dc, struct pipe_ctx *pipe_ctx) { struct dce_hwseq *hws = dc->hwseq; @@ -2722,6 +2727,7 @@ static const struct hw_sequencer_funcs dce110_funcs = { .init_hw = init_hw, .apply_ctx_to_hw = dce110_apply_ctx_to_hw, .apply_ctx_for_surface = dce110_apply_ctx_for_surface, + .post_unlock_program_front_end = dce110_post_unlock_program_front_end, .update_plane_addr = update_plane_addr, .update_pending_status = dce110_update_pending_status, .enable_accelerated_mode = dce110_enable_accelerated_mode, 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 1008ac8a0f2a..a9a5a13d5edf 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 @@ -2512,7 +2512,6 @@ void dcn10_apply_ctx_for_surface( int i; struct timing_generator *tg; uint32_t underflow_check_delay_us; - bool removed_pipe[4] = { false }; bool interdependent_update = false; struct pipe_ctx *top_pipe_to_program = dcn10_find_top_pipe_for_stream(dc, context, stream); @@ -2552,6 +2551,9 @@ void dcn10_apply_ctx_for_surface( 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]; + + pipe_ctx->update_flags.raw = 0; + /* * Powergate reused pipes that are not powergated * fairly hacky right now, using opp_id as indicator @@ -2571,7 +2573,7 @@ void dcn10_apply_ctx_for_surface( old_pipe_ctx->stream_res.tg == tg) {
hws->funcs.plane_atomic_disconnect(dc, old_pipe_ctx); - removed_pipe[i] = true; + pipe_ctx->update_flags.bits.disable = 1;
DC_LOG_DC("Reset mpcc for pipe %d\n", old_pipe_ctx->pipe_idx); @@ -2602,16 +2604,41 @@ void dcn10_apply_ctx_for_surface( dcn10_lock_all_pipes(dc, context, false); else dcn10_pipe_control_lock(dc, top_pipe_to_program, false); +} + +void dcn10_post_unlock_program_front_end( + struct dc *dc, + struct dc_state *context) +{ + int i, j; + + DC_LOGGER_INIT(dc->ctx->logger);
- if (num_planes == 0) - false_optc_underflow_wa(dc, stream, tg); + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx->top_pipe && + !pipe_ctx->prev_odm_pipe && + pipe_ctx->stream) { + struct dc_stream_status *stream_status = NULL; + struct timing_generator *tg = pipe_ctx->stream_res.tg; + + for (j = 0; j < context->stream_count; j++) { + if (pipe_ctx->stream == context->streams[j]) + stream_status = &context->stream_status[j]; + } + + if (context->stream_status[i].plane_count == 0) + false_optc_underflow_wa(dc, pipe_ctx->stream, tg); + } + }
for (i = 0; i < dc->res_pool->pipe_count; i++) - if (removed_pipe[i]) + if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable) dc->hwss.disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
for (i = 0; i < dc->res_pool->pipe_count; i++) - if (removed_pipe[i]) { + if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable) { dc->hwss.optimize_bandwidth(dc, context); break; } diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h index 4d20f6586bb5..b523f0b8dc23 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h @@ -75,6 +75,9 @@ void dcn10_apply_ctx_for_surface( const struct dc_stream_state *stream, int num_planes, struct dc_state *context); +void dcn10_post_unlock_program_front_end( + struct dc *dc, + struct dc_state *context); void dcn10_hubp_pg_control( struct dce_hwseq *hws, unsigned int hubp_inst, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c index e7e5352ec424..681db997a532 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c @@ -32,6 +32,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = { .init_hw = dcn10_init_hw, .apply_ctx_to_hw = dce110_apply_ctx_to_hw, .apply_ctx_for_surface = dcn10_apply_ctx_for_surface, + .post_unlock_program_front_end = dcn10_post_unlock_program_front_end, .update_plane_addr = dcn10_update_plane_addr, .update_dchub = dcn10_update_dchub, .update_pending_status = dcn10_update_pending_status, diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index ad422e00f9fe..0c4a8c37ce84 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -1551,7 +1551,6 @@ void dcn20_program_front_end_for_ctx( struct dc *dc, struct dc_state *context) { - const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100; int i; struct dce_hwseq *hws = dc->hwseq; bool pipe_locked[MAX_PIPES] = {false}; @@ -1626,6 +1625,16 @@ void dcn20_program_front_end_for_ctx( if (!pipe_ctx->update_flags.bits.enable) dc->hwss.pipe_control_lock(dc, &dc->current_state->res_ctx.pipe_ctx[i], false); } +} + +void dcn20_post_unlock_program_front_end( + struct dc *dc, + struct dc_state *context) +{ + int i; + const unsigned int TIMEOUT_FOR_PIPE_ENABLE_MS = 100; + + DC_LOGGER_INIT(dc->ctx->logger);
for (i = 0; i < dc->res_pool->pipe_count; i++) if (context->res_ctx.pipe_ctx[i].update_flags.bits.disable) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h index 02c9be5ebd47..80f192b8b3a2 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.h @@ -35,6 +35,9 @@ bool dcn20_set_shaper_3dlut( void dcn20_program_front_end_for_ctx( struct dc *dc, struct dc_state *context); +void dcn20_post_unlock_program_front_end( + struct dc *dc, + struct dc_state *context); void dcn20_update_plane_addr(const struct dc *dc, struct pipe_ctx *pipe_ctx); void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx); bool dcn20_set_input_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx, diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c index 5e640f17d3d4..c0a7cf1ba3a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c @@ -33,6 +33,7 @@ static const struct hw_sequencer_funcs dcn20_funcs = { .apply_ctx_to_hw = dce110_apply_ctx_to_hw, .apply_ctx_for_surface = NULL, .program_front_end_for_ctx = dcn20_program_front_end_for_ctx, + .post_unlock_program_front_end = dcn20_post_unlock_program_front_end, .update_plane_addr = dcn20_update_plane_addr, .update_dchub = dcn10_update_dchub, .update_pending_status = dcn10_update_pending_status, diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c index fddbd59bf4f9..bb8309513964 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c @@ -34,6 +34,7 @@ static const struct hw_sequencer_funcs dcn21_funcs = { .apply_ctx_to_hw = dce110_apply_ctx_to_hw, .apply_ctx_for_surface = NULL, .program_front_end_for_ctx = dcn20_program_front_end_for_ctx, + .post_unlock_program_front_end = dcn20_post_unlock_program_front_end, .update_plane_addr = dcn20_update_plane_addr, .update_dchub = dcn10_update_dchub, .update_pending_status = dcn10_update_pending_status, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h index 209118f9f193..63919866ba38 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -66,6 +66,8 @@ struct hw_sequencer_funcs { int num_planes, struct dc_state *context); void (*program_front_end_for_ctx)(struct dc *dc, struct dc_state *context); + void (*post_unlock_program_front_end)(struct dc *dc, + struct dc_state *context); void (*update_plane_addr)(const struct dc *dc, struct pipe_ctx *pipe_ctx); void (*update_dchub)(struct dce_hwseq *hws,