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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:14:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:14:31 +0000
commite97aca3557601e6e343dcf391aa876321f48ac39 (patch)
treee7db4542359bc8b48518df7fe28fd09c7543eea1 /drivers/gpu/drm/amd/display/modules
parentReleasing progress-linux version 6.9.8-1~progress7.99u1. (diff)
downloadlinux-e97aca3557601e6e343dcf391aa876321f48ac39.tar.xz
linux-e97aca3557601e6e343dcf391aa876321f48ac39.zip
Merging upstream version 6.9.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
index f7b5583ee6..8e9caae7c9 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c
@@ -156,6 +156,10 @@ static enum mod_hdcp_status read(struct mod_hdcp *hdcp,
uint32_t cur_size = 0;
uint32_t data_offset = 0;
+ if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID) {
+ return MOD_HDCP_STATUS_DDC_FAILURE;
+ }
+
if (is_dp_hdcp(hdcp)) {
while (buf_len > 0) {
cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE);
@@ -215,6 +219,10 @@ static enum mod_hdcp_status write(struct mod_hdcp *hdcp,
uint32_t cur_size = 0;
uint32_t data_offset = 0;
+ if (msg_id == MOD_HDCP_MESSAGE_ID_INVALID) {
+ return MOD_HDCP_STATUS_DDC_FAILURE;
+ }
+
if (is_dp_hdcp(hdcp)) {
while (buf_len > 0) {
cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE);