From: Jack Chang <jack.chang@amd.com>
Date: Thu, 6 Nov 2025 03:54:03 +0000 (+0800)
Subject: drm/amd/display: Refactor panel replay dc libs
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=201648dc812bdadbecf650ea11efa1b3fcee35e2;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/display: Refactor panel replay dc libs

[WHY]
Add dc interface to export link service libs for setting PR dmub command.

Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
index 9acd300197173..a8d7228907c24 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
@@ -491,6 +491,28 @@ bool dc_link_get_replay_state(const struct dc_link *link, uint64_t *state)
 	return link->dc->link_srv->edp_get_replay_state(link, state);
 }
 
+bool dc_link_set_pr_enable(struct dc_link *link, bool enable)
+{
+	return link->dc->link_srv->edp_pr_enable(link, enable);
+}
+
+bool dc_link_update_pr_state(struct dc_link *link,
+		struct dmub_cmd_pr_update_state_data *update_state_data)
+{
+	return link->dc->link_srv->edp_pr_update_state(link, update_state_data);
+}
+
+bool dc_link_set_pr_general_cmd(struct dc_link *link,
+		struct dmub_cmd_pr_general_cmd_data *general_cmd_data)
+{
+	return link->dc->link_srv->edp_pr_set_general_cmd(link, general_cmd_data);
+}
+
+bool dc_link_get_pr_state(const struct dc_link *link, uint64_t *state)
+{
+	return link->dc->link_srv->edp_pr_get_state(link, state);
+}
+
 bool dc_link_wait_for_t12(struct dc_link *link)
 {
 	return link->dc->link_srv->edp_wait_for_t12(link);
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 29edfa51ea2cc..37d301e82d39c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -2455,6 +2455,48 @@ bool dc_link_set_replay_allow_active(struct dc_link *dc_link, const bool *enable
 
 bool dc_link_get_replay_state(const struct dc_link *dc_link, uint64_t *state);
 
+/*
+ * Enable or disable Panel Replay on the specified link:
+ *
+ * @link: pointer to the dc_link struct instance
+ * @enable: enable or disable Panel Replay
+ *
+ * return: true if successful, false otherwise
+ */
+bool dc_link_set_pr_enable(struct dc_link *link, bool enable);
+
+/*
+ * Update Panel Replay state parameters:
+ *
+ * @link: pointer to the dc_link struct instance
+ * @update_state_data: pointer to state update data structure
+ *
+ * return: true if successful, false otherwise
+ */
+bool dc_link_update_pr_state(struct dc_link *link,
+		struct dmub_cmd_pr_update_state_data *update_state_data);
+
+/*
+ * Send general command to Panel Replay firmware:
+ *
+ * @link: pointer to the dc_link struct instance
+ * @general_cmd_data: pointer to general command data structure
+ *
+ * return: true if successful, false otherwise
+ */
+bool dc_link_set_pr_general_cmd(struct dc_link *link,
+		struct dmub_cmd_pr_general_cmd_data *general_cmd_data);
+
+/*
+ * Get Panel Replay state:
+ *
+ * @link: pointer to the dc_link struct instance
+ * @state: pointer to store the Panel Replay state
+ *
+ * return: true if successful, false otherwise
+ */
+bool dc_link_get_pr_state(const struct dc_link *link, uint64_t *state);
+
 /* On eDP links this function call will stall until T12 has elapsed.
  * If the panel is not in power off state, this function will return
  * immediately.