diff options
| author | Jimmy Kizito <Jimmy.Kizito@amd.com> | 2021-01-05 10:17:05 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-03-02 14:05:52 -0500 |
| commit | e1f4328f22c0c2c4401326123f05d6ab60e5ff09 (patch) | |
| tree | 01a6b5a2bd477e4e316b6333b4e0fe0673896001 /drivers/gpu/drm/amd/display/dc/inc | |
| parent | 4f8e37dbaf584de6d38f58b3000b0bfd7eaf2ff6 (diff) | |
| download | linux-e1f4328f22c0c2c4401326123f05d6ab60e5ff09.tar.gz linux-e1f4328f22c0c2c4401326123f05d6ab60e5ff09.tar.bz2 linux-e1f4328f22c0c2c4401326123f05d6ab60e5ff09.zip | |
drm/amd/display: Update link encoder object creation
[Why]
Currently the creation of link encoder objects is tightly coupled to the
creation of link objects. Decoupling link encoder object creation is a
preliminary step in the process of allowing link encoders to be
dynamically assigned to links.
[How]
Add "minimal" link encoder objects which are not associated with any
link until required.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/core_types.h | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/resource.h | 1 |
3 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index 8efa1b80546d..c5f483287509 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -97,6 +97,10 @@ struct resource_funcs { const struct panel_cntl_init_data *panel_cntl_init_data); struct link_encoder *(*link_enc_create)( const struct encoder_init_data *init); + /* Create a minimal link encoder object with no dc_link object + * associated with it. */ + struct link_encoder *(*link_enc_create_minimal)(struct dc_context *ctx, enum engine_id eng_id); + bool (*validate_bandwidth)( struct dc *dc, struct dc_state *context, @@ -210,6 +214,15 @@ struct resource_pool { unsigned int underlay_pipe_index; unsigned int stream_enc_count; + /* An array for accessing the link encoder objects that have been created. + * Index in array corresponds to engine ID - viz. 0: ENGINE_ID_DIGA + */ + struct link_encoder *link_encoders[MAX_DIG_LINK_ENCODERS]; + /* Number of DIG link encoder objects created - i.e. number of valid + * entries in link_encoders array. + */ + unsigned int dig_link_enc_count; + #if defined(CONFIG_DRM_AMD_DC_DCN) struct dc_3dlut *mpc_lut[MAX_PIPES]; struct dc_transfer_func *mpc_shaper[MAX_PIPES]; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h index 43e33f47734d..31a1713bb49f 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h @@ -36,6 +36,7 @@ #define MAX_AUDIOS 7 #define MAX_PIPES 6 +#define MAX_DIG_LINK_ENCODERS 7 #define MAX_DWB_PIPES 1 struct gamma_curve { diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h index 3d97078d52a9..fe1e5833c96a 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h @@ -48,6 +48,7 @@ struct resource_caps { int num_ddc; int num_vmid; int num_dsc; + unsigned int num_dig_link_enc; // Total number of DIGs (digital encoders) in DIO (Display Input/Output). int num_mpc_3dlut; }; |