From: Yongqiang Sun <yongqiang.sun@xxxxxxx>
[Why & How]
only apply multiple display power optimization in case there are more
than one internal display.
Signed-off-by: Yongqiang Sun <yongqiang.sun@xxxxxxx>
Reviewed-by: Tony Cheng <Tony.Cheng@xxxxxxx>
Acked-by: Anthony Koo <Anthony.Koo@xxxxxxx>
Acked-by: Aric Cyr <Aric.Cyr@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 16 ++++++++++++++++
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
2 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 28b856e2686d..903353389edb 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -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:
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index b170e653febc..115468d3f793 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -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;
--
2.29.2
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