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authorAdam Jackson <ajax@redhat.com>2011-06-16 22:36:23 +0200
committerKeith Packard <keithp@keithp.com>2011-10-20 23:11:15 +0200
commit46eb303682f72717d1a75cdd2309733bfed43396 (patch)
tree8c8d386fac6cb2660411698b2883f223ad8383b0 /drivers/gpu/drm/i915/intel_sdvo.c
parentMerge branch 'fix-pch-refclk' into foo (diff)
downloadlinux-46eb303682f72717d1a75cdd2309733bfed43396.tar.xz
linux-46eb303682f72717d1a75cdd2309733bfed43396.zip
drm/i915: Remove "i2c_speed" nonsense from child device table
I have no evidence for this byte being used this way, and lots of counterexamples. Restore the struct to its empirical definition and patch up gmbus setup to match. Signed-off-by: Adam Jackson <ajax@redhat.com> Acked-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sdvo.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sdvo.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 731200243219..ed15c00aecdf 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1896,7 +1896,7 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
struct intel_sdvo *sdvo, u32 reg)
{
struct sdvo_device_mapping *mapping;
- u8 pin, speed;
+ u8 pin;
if (IS_SDVOB(reg))
mapping = &dev_priv->sdvo_mappings[0];
@@ -1904,18 +1904,16 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
mapping = &dev_priv->sdvo_mappings[1];
pin = GMBUS_PORT_DPB;
- speed = GMBUS_RATE_1MHZ >> 8;
- if (mapping->initialized) {
+ if (mapping->initialized)
pin = mapping->i2c_pin;
- speed = mapping->i2c_speed;
- }
if (pin < GMBUS_NUM_PORTS) {
sdvo->i2c = &dev_priv->gmbus[pin].adapter;
- intel_gmbus_set_speed(sdvo->i2c, speed);
+ intel_gmbus_set_speed(sdvo->i2c, GMBUS_RATE_1MHZ >> 8);
intel_gmbus_force_bit(sdvo->i2c, true);
- } else
+ } else {
sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
+ }
}
static bool