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authorChris Wilson <chris@chris-wilson.co.uk>2010-09-24 13:52:03 +0200
committerChris Wilson <chris@chris-wilson.co.uk>2010-09-28 14:29:10 +0200
commite957d7720a2797b31231616014b68f4f6203145e (patch)
tree07fd5eb66781405b408830381c99b45c26d34f85 /drivers/gpu/drm/i915/intel_bios.c
parentRevert "drm/i915: Drop ring->lazy_request" (diff)
downloadlinux-e957d7720a2797b31231616014b68f4f6203145e.tar.xz
linux-e957d7720a2797b31231616014b68f4f6203145e.zip
drm/i915/sdvo: Fix GMBUSification
Besides a couple of bugs when writing more than a single byte along the GMBUS, SDVO was completely failing whilst trying to use GMBUS, so use bit banging instead. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 42a7a5b33a0a..7e868d228c7b 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -369,7 +369,16 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
p_mapping->slave_addr = p_child->slave_addr;
p_mapping->dvo_wiring = p_child->dvo_wiring;
p_mapping->ddc_pin = p_child->ddc_pin;
+ p_mapping->i2c_pin = p_child->i2c_pin;
+ p_mapping->i2c_speed = p_child->i2c_speed;
p_mapping->initialized = 1;
+ DRM_DEBUG_KMS("SDVO device: dvo=%x, addr=%x, wiring=%d, ddc_pin=%d, i2c_pin=%d, i2c_speed=%d\n",
+ p_mapping->dvo_port,
+ p_mapping->slave_addr,
+ p_mapping->dvo_wiring,
+ p_mapping->ddc_pin,
+ p_mapping->i2c_pin,
+ p_mapping->i2c_speed);
} else {
DRM_DEBUG_KMS("Maybe one SDVO port is shared by "
"two SDVO device.\n");