drm/amd/display: Add a missing PSR state

[Why & How]
Add a missing PSR state to make the dmub_psr_get_state() return a
correct PSR state.
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc_types.h

@@ -590,6 +590,7 @@ enum dc_psr_state {
 	PSR_STATE5c,
 	PSR_STATE_HWLOCK_MGR,
 	PSR_STATE_POLLVUPDATE,
+	PSR_STATE_RELEASE_HWLOCK_MGR_FULL_FRAME,
 	PSR_STATE_INVALID = 0xFF
 };
 

drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c

@@ -94,6 +94,8 @@ static enum dc_psr_state convert_psr_state(uint32_t raw_state)
 		state = PSR_STATE_HWLOCK_MGR;
 	else if (raw_state == 0x61)
 		state = PSR_STATE_POLLVUPDATE;
+	else if (raw_state == 0x62)
+		state = PSR_STATE_RELEASE_HWLOCK_MGR_FULL_FRAME;
 	else
 		state = PSR_STATE_INVALID;