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authorMattias Andrée <maandree@operamail.com>2014-03-13 17:43:54 +0100
committerMattias Andrée <maandree@operamail.com>2014-03-13 17:43:54 +0100
commitfbea9183a1bb065d499d650aa0e0f47f47df7407 (patch)
treee89fd11cf7f087f7b7ce6b17fb747370eaa94104 /src
parentinfo: the primary monitor have CRTC index 0 under X (diff)
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add drm connection manager
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/monitor.py97
1 files changed, 97 insertions, 0 deletions
diff --git a/src/monitor.py b/src/monitor.py
index 02538ee..9df1ffe 100644
--- a/src/monitor.py
+++ b/src/monitor.py
@@ -20,6 +20,11 @@ from subprocess import Popen, PIPE
from curve import *
+try:
+ from blueshift_drm import *
+except:
+ pass ## Not compiled with DRM support
+
# /usr/lib
LIBDIR = 'bin'
sys.path.append(LIBDIR)
@@ -60,6 +65,7 @@ def close_c_bindings():
from blueshift_vidmode import vidmode_close
vidmode_opened = None
vidmode_close()
+ drm_manager.close()
def randr_get(crtc = 0, screen = 0):
@@ -460,3 +466,94 @@ def list_screens():
rc.screens = screens
return rc
+
+class DRMManager:
+ '''
+ Manager for DRM connections to avoid monitor flicker on unnecessary connections
+ '''
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ self.is_open = False
+ self.cards = None
+ self.connectors = None
+
+ def open_card(self, card):
+ '''
+ Make sure there is a connection to a specific card
+
+ @param card:int The index of the card
+ @return :int -1 on failure, otherwise the identifier for the connection
+ '''
+ if self.cards is None:
+ self.cards = [-1] * drm_card_count()
+ self.connectors = [None] * drm_card_count()
+ if self.cards[card] == -1:
+ self.cards[card] = drm_open_card(card)
+ return self.cards[card]
+
+ def open_connector(self, card, connector):
+ '''
+ Make sure there is a connection to a specific connector
+
+ @param card:int The index of the card with the connector
+ @param connector:int The index of the connector
+ '''
+ connection = self.open_card(card)
+ if self.connectors[card] is None:
+ self.connectors[card] = [False] * drm_connector_count()
+ if not self.connectors[card][connector]:
+ self.connectors[card][connector] = True
+ drm_open_connector(connection, connector)
+
+ def close_connector(self, card, connector):
+ '''
+ Make sure there is no connection to a specific connector
+
+ @param card:int The index of the card with the connector
+ @param connector:int The index of the connector
+ '''
+ if self.cards is None:
+ return
+ connection = self.cards[card]
+ if connection == -1:
+ return
+ if self.connectors[card] is None:
+ return
+ if self.connectors[card][connector]:
+ self.connectors[card][connector] = False
+ drm_close_connector(connection, connector)
+
+ def close_card(self, card):
+ '''
+ Make sure there is no connection to a specific card
+
+ @param card:int The index of the card
+ '''
+ if self.cards is None:
+ return
+ connection = self.cards[card]
+ self.cards[card] = -1
+ if self.connectors[card] is not None:
+ for i in range(len(self.connectors[card])):
+ if self.connectors[card][i]:
+ drm_close_connector(connection, i)
+ self.connectors[card] = None
+ drm_close_card(connection)
+
+ def close(self):
+ '''
+ Close all connections
+ '''
+ if self.is_open:
+ self.is_open = False
+ if self.cards is not None:
+ for card in len(self.cards):
+ self.close_card(card)
+ self.cards = None
+ blueshift_drm_close()
+
+drm_manager = DRMManager()
+