git/linux-net
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/ synced 2026-04-18 06:33:43 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/amd/display: Add dmub hpd sense callback

Browse Source 
[WHY]
HPD sense notification has been implemented in DMUB, which
can occur during low power states and need to be
notified from firmware to driver.

[HOW]
Define callback and register new HPD sense notification.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roman Li
2024-08-21 10:53:15 -04:00
committed by Alex Deucher
parent d18a56b247
commit 5a3d3e1134
2 changed files with 21 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
View File

@@ -50,7 +50,7 @@
#define AMDGPU_DM_MAX_NUM_EDP 2
#define AMDGPU_DMUB_NOTIFICATION_MAX 6
#define AMDGPU_DMUB_NOTIFICATION_MAX 7
#define HDMI_AMD_VENDOR_SPECIFIC_DATA_BLOCK_IEEE_REGISTRATION_ID 0x00001A
#define AMD_VSDB_VERSION_3_FEATURECAP_REPLAYMODE 0x40