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drm/amd/display: Check multiple internal displays for power optimization. 

[Why & How]
only apply multiple display power optimization in case there are more
than one internal display.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2020-11-12 11:21:16 -05:00 committed by Alex Deucher
parent c85ef99a9f
commit 30bdf50b77
2 changed files with 17 additions and 0 deletions
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16
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -149,6 +149,20 @@ static void destroy_links(struct dc *dc)
}
}
static uint32_t get_num_of_internal_disp(struct dc_link **links, uint32_t num_links)
{
int i;
uint32_t count = 0;
for (i = 0; i < num_links; i++) {
if (links[i]->connector_signal == SIGNAL_TYPE_EDP ||
links[i]->is_internal_display)
count++;
}
return count;
}
static bool create_links(
struct dc *dc,
uint32_t num_virtual_links)
@ -250,6 +264,8 @@ static bool create_links(
virtual_link_encoder_construct(link->link_enc, &enc_init);
}
dc->caps.num_of_internal_disp = get_num_of_internal_disp(dc->links, dc->link_count);
return true;
failed_alloc:

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -169,6 +169,7 @@ struct dc_caps {
bool psp_setup_panel_mode;
bool extended_aux_timeout_support;
bool dmcub_support;
uint32_t num_of_internal_disp;
enum dp_protocol_version max_dp_protocol_version;
struct dc_plane_cap planes[MAX_PLANES];
struct dc_color_caps color;