From: Yasir Al Shekerchi <YasirAl.Shekerchi@xxxxxxx>
Signed-off-by: Yasir Al Shekerchi <YasirAl.Shekerchi at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 16 ++++++++++++++++
drivers/gpu/drm/amd/display/dc/core/dc_link.c | 16 ++++++++++++++++
drivers/gpu/drm/amd/display/dc/core/dc_surface.c | 11 +++++++++++
3 files changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 33149ed779eb..06ec24cb6a91 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -169,6 +169,22 @@ static bool create_links(
return false;
}
+/**
+ *****************************************************************************
+ * Function: dc_stream_adjust_vmin_vmax
+ *
+ * @brief
+ * Looks up the pipe context of dc_stream_state and updates the
+ * vertical_total_min and vertical_total_max of the DRR, Dynamic Refresh
+ * Rate, which is a power-saving feature that targets reducing panel
+ * refresh rate while the screen is static
+ *
+ * @param [in] dc: dc reference
+ * @param [in] stream: Initial dc stream state
+ * @param [in] adjust: Updated parameters for vertical_total_min and
+ * vertical_total_max
+ *****************************************************************************
+ */
bool dc_stream_adjust_vmin_vmax(struct dc *dc,
struct dc_stream_state *stream,
struct dc_crtc_timing_adjust *adjust)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index a9485c10fd77..08b7ee526f0f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2433,6 +2433,22 @@ void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
core_dc->hwss.set_avmute(pipe_ctx, enable);
}
+/**
+ *****************************************************************************
+ * Function: dc_link_enable_hpd_filter
+ *
+ * @brief
+ * If enable is true, programs HPD filter on associated HPD line using
+ * delay_on_disconnect/delay_on_connect values dependent on
+ * link->connector_signal
+ *
+ * If enable is false, programs HPD filter on associated HPD line with no
+ * delays on connect or disconnect
+ *
+ * @param [in] link: pointer to the dc link
+ * @param [in] enable: boolean specifying whether to enable hbd
+ *****************************************************************************
+ */
void dc_link_enable_hpd_filter(struct dc_link *link, bool enable)
{
struct gpio *hpd;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
index 68a71adeb12e..815dfb50089b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_surface.c
@@ -84,6 +84,17 @@ struct dc_plane_state *dc_create_plane_state(struct dc *dc)
return plane_state;
}
+/**
+ *****************************************************************************
+ * Function: dc_plane_get_status
+ *
+ * @brief
+ * Looks up the pipe context of plane_state and updates the pending status
+ * of the pipe context. Then returns plane_state->status
+ *
+ * @param [in] plane_state: pointer to the plane_state to get the status of
+ *****************************************************************************
+ */
const struct dc_plane_status *dc_plane_get_status(
const struct dc_plane_state *plane_state)
{
--
2.17.0
