xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: query hdcp capability during link detect

Browse Source 
[Why]
Query the hdcp caps of a link, it is useful and can be reported to the user

[How]
Create a query function and call it during link detect

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Bhawanpreet Lakha
2020-04-01 15:07:26 -04:00
committed by Alex Deucher
parent 1ea2b260eb
commit fe8db3bcf2
5 changed files with 196 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/display/include/hdcp_types.h
View File

@@ -83,6 +83,12 @@ enum hdcp_link {
HDCP_LINK_SECONDARY
};
enum hdcp_message_status {
HDCP_MESSAGE_SUCCESS,
HDCP_MESSAGE_FAILURE,
HDCP_MESSAGE_UNSUPPORTED
};
struct hdcp_protection_message {
enum hdcp_version version;
/* relevant only for DVI */
@@ -91,6 +97,7 @@ struct hdcp_protection_message {
uint32_t length;
uint8_t max_retries;
uint8_t *data;
enum hdcp_message_status status;
};
#endif