[PATCH 07/12] drm/amd/display: Revert change to HDCP display states
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Fri Mar 20 15:11:23 UTC 2020
From: Isabel Zhang <isabel.zhang at amd.com>
[Why]
Change is causing a regression where the OPC app no longer functions
properly.
[How]
Revert the changelist causing the issue.
Signed-off-by: Isabel Zhang <isabel.zhang at amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
.../gpu/drm/amd/display/modules/hdcp/hdcp.c | 5 +--
.../gpu/drm/amd/display/modules/hdcp/hdcp.h | 28 ++++++++++---
.../display/modules/hdcp/hdcp1_execution.c | 2 +-
.../display/modules/hdcp/hdcp2_execution.c | 2 +-
.../drm/amd/display/modules/hdcp/hdcp_psp.c | 39 +++++++++++--------
.../drm/amd/display/modules/inc/mod_hdcp.h | 1 +
6 files changed, 49 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index e9fbd94f8635..cc1d3f470b99 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -328,8 +328,7 @@ enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp,
/* add display to connection */
hdcp->connection.link = *link;
*display_container = *display;
- status = mod_hdcp_add_display_to_topology(hdcp, display_container);
-
+ status = mod_hdcp_add_display_to_topology(hdcp, display->index);
if (status != MOD_HDCP_STATUS_SUCCESS)
goto out;
@@ -375,7 +374,7 @@ enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp,
status = mod_hdcp_remove_display_from_topology(hdcp, index);
if (status != MOD_HDCP_STATUS_SUCCESS)
goto out;
- memset(display, 0, sizeof(struct mod_hdcp_display));
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
/* request authentication when connection is not reset */
if (current_state(hdcp) != HDCP_UNINITIALIZED)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
index 60ff1a0028ac..5cb4546be0ef 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
@@ -328,7 +328,7 @@ void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
/* psp functions */
enum mod_hdcp_status mod_hdcp_add_display_to_topology(
- struct mod_hdcp *hdcp, struct mod_hdcp_display *display);
+ struct mod_hdcp *hdcp, uint8_t index);
enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
struct mod_hdcp *hdcp, uint8_t index);
enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp);
@@ -503,6 +503,11 @@ static inline uint8_t is_display_active(struct mod_hdcp_display *display)
return display->state >= MOD_HDCP_DISPLAY_ACTIVE;
}
+static inline uint8_t is_display_added(struct mod_hdcp_display *display)
+{
+ return display->state >= MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
+}
+
static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *display)
{
return display->state >= MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
@@ -510,23 +515,34 @@ static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *dis
static inline uint8_t get_active_display_count(struct mod_hdcp *hdcp)
{
- uint8_t active_count = 0;
+ uint8_t added_count = 0;
uint8_t i;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
if (is_display_active(&hdcp->displays[i]))
- active_count++;
- return active_count;
+ added_count++;
+ return added_count;
+}
+
+static inline uint8_t get_added_display_count(struct mod_hdcp *hdcp)
+{
+ uint8_t added_count = 0;
+ uint8_t i;
+
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_added(&hdcp->displays[i]))
+ added_count++;
+ return added_count;
}
-static inline struct mod_hdcp_display *get_first_active_display(
+static inline struct mod_hdcp_display *get_first_added_display(
struct mod_hdcp *hdcp)
{
uint8_t i;
struct mod_hdcp_display *display = NULL;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
- if (is_display_active(&hdcp->displays[i])) {
+ if (is_display_added(&hdcp->displays[i])) {
display = &hdcp->displays[i];
break;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
index f244b72e74e0..37c8c05497d6 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
@@ -129,7 +129,7 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
/* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
+ return (get_device_count(hdcp) < get_added_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index 549c113abcf7..491c00f48026 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -208,7 +208,7 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
/* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
+ return (get_device_count(hdcp) < get_added_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 836e47954938..c2929815c3ee 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -54,7 +54,7 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
- if (!display || !is_display_active(display))
+ if (!display || !is_display_added(display))
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
@@ -73,21 +73,25 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
return MOD_HDCP_STATUS_SUCCESS;
- }
-
-enum mod_hdcp_status mod_hdcp_add_display_to_topology(
- struct mod_hdcp *hdcp, struct mod_hdcp_display *display)
+
+}
+enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
+ uint8_t index)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_dtm_shared_memory *dtm_cmd;
+ struct mod_hdcp_display *display =
+ get_active_display_at_index(hdcp, index);
struct mod_hdcp_link *link = &hdcp->connection.link;
if (!psp->dtm_context.dtm_initialized) {
DRM_ERROR("Failed to add display topology, DTM TA is not initialized.");
- display->state = MOD_HDCP_DISPLAY_INACTIVE;
return MOD_HDCP_STATUS_FAILURE;
}
+ if (!display || is_display_added(display))
+ return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
@@ -109,11 +113,10 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(
psp_dtm_invoke(psp, dtm_cmd->cmd_id);
- if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
- display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS)
return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
- }
+ display->state = MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
return MOD_HDCP_STATUS_SUCCESS;
@@ -123,7 +126,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
- struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ struct mod_hdcp_display *display = get_first_added_display(hdcp);
struct ta_hdcp_shared_memory *hdcp_cmd;
if (!psp->hdcp_context.hdcp_initialized) {
@@ -176,7 +179,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
if (is_display_encryption_enabled(
&hdcp->displays[i])) {
hdcp->displays[i].state =
- MOD_HDCP_DISPLAY_ACTIVE;
+ MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_HDCP1_DISABLED_TRACE(hdcp,
hdcp->displays[i].index);
}
@@ -228,7 +231,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ struct mod_hdcp_display *display = get_first_added_display(hdcp);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -298,7 +301,8 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
- if (hdcp->displays[i].adjust.disable)
+ if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED ||
+ hdcp->displays[i].adjust.disable)
continue;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -360,7 +364,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ struct mod_hdcp_display *display = get_first_added_display(hdcp);
if (!psp->hdcp_context.hdcp_initialized) {
DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized");
@@ -419,7 +423,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
if (is_display_encryption_enabled(
&hdcp->displays[i])) {
hdcp->displays[i].state =
- MOD_HDCP_DISPLAY_ACTIVE;
+ MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_HDCP2_DISABLED_TRACE(hdcp,
hdcp->displays[i].index);
}
@@ -658,7 +662,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ struct mod_hdcp_display *display = get_first_added_display(hdcp);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -743,7 +747,8 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
- if (hdcp->displays[i].adjust.disable)
+ if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED ||
+ hdcp->displays[i].adjust.disable)
continue;
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
index eae9309cfb24..c088602bc1a0 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
@@ -117,6 +117,7 @@ enum mod_hdcp_operation_mode {
enum mod_hdcp_display_state {
MOD_HDCP_DISPLAY_INACTIVE = 0,
MOD_HDCP_DISPLAY_ACTIVE,
+ MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED,
MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED
};
--
2.25.2
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