diff options
| author | Jun Lei <Jun.Lei@amd.com> | 2018-11-09 09:21:21 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-01-14 15:04:36 -0500 |
| commit | ceb3dbb4690db8377ad127a5666cd4775d9f70f4 (patch) | |
| tree | e637e1794f4dd7df81ccc0ade7c25d09951fbafc /drivers/gpu/drm/amd/display/dc/dce | |
| parent | 51ba137ef226255bb13578da13e8a9030c5ad019 (diff) | |
drm/amd/display: remove sink reference in dc_stream_state
[why]
dc_stream_state containing a pointer to sink is poor design.
Sink describes the display, and the specifications or capabilities
it has. That information is irrelevant for dc_stream_state, which describes
hardware state, and is generally used for hardware programming. It
could further be argued that dc_sink itself is just a convenience dc
provides, and DC should be perfectly capable of programming hardware
without any dc_sinks (for example, emulated sinks).
[how]
Phase 1:
Deprecate use of dc_sink pointer in dc_stream. Most references are trivial
to remove, but some call sites are risky (such as is_timing_changed) with
no obvious logical replacement. These will be removed in follow up change.
Add dc_link pointer to dc_stream. This is the typical reason DC really needed
sink pointer, and most call sites are replaced with this.
DMs also need minor updates, as all 3 DMs leverage stream->sink for
some functionality. this is replaced instead by a pointer to private data
inside dc_stream_state, which is used by DMs as a quality of life improvment
for some key functionality. it allows DMs to set pointers have to their own objects
which associate OS objects to dc_stream_states (such as DisplayTarget
and amdgpu_dm_connector). Without the private pointer, DMs would be
forced to perform a lookup for callbacks.
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: David Francis <David.Francis@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/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c index afd287f08bc9..5c1a7c013f63 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c @@ -483,15 +483,15 @@ void dce110_fill_display_configs( cfg->src_height = stream->src.height; cfg->src_width = stream->src.width; cfg->ddi_channel_mapping = - stream->sink->link->ddi_channel_mapping.raw; + stream->link->ddi_channel_mapping.raw; cfg->transmitter = - stream->sink->link->link_enc->transmitter; + stream->link->link_enc->transmitter; cfg->link_settings.lane_count = - stream->sink->link->cur_link_settings.lane_count; + stream->link->cur_link_settings.lane_count; cfg->link_settings.link_rate = - stream->sink->link->cur_link_settings.link_rate; + stream->link->cur_link_settings.link_rate; cfg->link_settings.link_spread = - stream->sink->link->cur_link_settings.link_spread; + stream->link->cur_link_settings.link_spread; cfg->sym_clock = stream->phy_pix_clk; /* Round v_refresh*/ cfg->v_refresh = stream->timing.pix_clk_khz * 1000; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index 3e18ea84b1f9..1d794c65cc8b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -788,7 +788,7 @@ bool dce110_link_encoder_validate_output_with_stream( case SIGNAL_TYPE_DVI_DUAL_LINK: is_valid = dce110_link_encoder_validate_dvi_output( enc110, - stream->sink->link->connector_signal, + stream->link->connector_signal, stream->signal, &stream->timing); break; |