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authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 08:11:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-12 08:11:58 -0800
commit99efb9369c54fa98fc354a9ad4bc8c59f3212ff4 (patch)
treee6e6145d84a1e0f4f0c190434746dfee0da5dd9e /drivers/gpu/drm/radeon/radeon_i2c.c
parentfb1cb7b27bba3446bed377c173dbdd2d288e3992 (diff)
parent7dfbbdcffebc41441e64278961f57d2840a76259 (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (39 commits) drm/ttm: Be consistent on ttm_bo_init() failures drm/radeon/kms: Fix retrying ttm_bo_init() after it failed once. drm/radeon/kms: fix thermal sensor reporting on rv6xx drm/radeon/kms: fix bugs in ddc and cd path router code drm/radeon/kms: add support for clock/data path routers drm: vmwgfx: fix information leak to userland drivers/gpu: Use vzalloc drm/vmwgfx: Fix oops on failing bo pin drm/ttm: Remove the CAP_SYS_ADMIN requirement for bo pinning drm/ttm: Make sure a sync object doesn't disappear while we use it drm/radeon/kms: don't disable shared encoders on pre-DCE3 display blocks drivers/gpu/drm: Update WARN uses drivers/gpu/drm/vmwgfx: Fix k.alloc switched arguments DRM: ignore invalid EDID extensions drm/radeon/kms: make the connector code less verbose drm/ttm: remove failed ttm binding error printout drm/ttm: Add a barrier when unreserving drm/ttm: Remove mm init error printouts and checks drm/ttm: Remove pointless list_empty check drm/ttm: Use private locks for the default bo range manager ...
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_i2c.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_i2c.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 6a13ee38a5b..0cfbba02c4d 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -53,8 +53,8 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
};
/* on hw with routers, select right port */
- if (radeon_connector->router.valid)
- radeon_router_select_port(radeon_connector);
+ if (radeon_connector->router.ddc_valid)
+ radeon_router_select_ddc_port(radeon_connector);
ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
if (ret == 2)
@@ -1084,26 +1084,51 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus,
addr, val);
}
-/* router switching */
-void radeon_router_select_port(struct radeon_connector *radeon_connector)
+/* ddc router switching */
+void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector)
{
u8 val;
- if (!radeon_connector->router.valid)
+ if (!radeon_connector->router.ddc_valid)
return;
radeon_i2c_get_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x3, &val);
- val &= radeon_connector->router.mux_control_pin;
+ val &= ~radeon_connector->router.ddc_mux_control_pin;
radeon_i2c_put_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x3, val);
radeon_i2c_get_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x1, &val);
- val &= radeon_connector->router.mux_control_pin;
- val |= radeon_connector->router.mux_state;
+ val &= ~radeon_connector->router.ddc_mux_control_pin;
+ val |= radeon_connector->router.ddc_mux_state;
+ radeon_i2c_put_byte(radeon_connector->router_bus,
+ radeon_connector->router.i2c_addr,
+ 0x1, val);
+}
+
+/* clock/data router switching */
+void radeon_router_select_cd_port(struct radeon_connector *radeon_connector)
+{
+ u8 val;
+
+ if (!radeon_connector->router.cd_valid)
+ return;
+
+ radeon_i2c_get_byte(radeon_connector->router_bus,
+ radeon_connector->router.i2c_addr,
+ 0x3, &val);
+ val &= ~radeon_connector->router.cd_mux_control_pin;
+ radeon_i2c_put_byte(radeon_connector->router_bus,
+ radeon_connector->router.i2c_addr,
+ 0x3, val);
+ radeon_i2c_get_byte(radeon_connector->router_bus,
+ radeon_connector->router.i2c_addr,
+ 0x1, &val);
+ val &= ~radeon_connector->router.cd_mux_control_pin;
+ val |= radeon_connector->router.cd_mux_state;
radeon_i2c_put_byte(radeon_connector->router_bus,
radeon_connector->router.i2c_addr,
0x1, val);