diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 41 |
3 files changed, 11 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index bf11ad9..001e2f3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -135,6 +135,7 @@ struct sdvo_device_mapping { u8 slave_addr; u8 dvo_wiring; u8 initialized; + u8 ddc_pin; }; struct drm_i915_error_state { diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index f9ba452..4c748d8 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -366,6 +366,7 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv, p_mapping->dvo_port = p_child->dvo_port; 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->initialized = 1; } else { DRM_DEBUG_KMS("Maybe one SDVO port is shared by " diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 42ceb15..5192723 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2054,40 +2054,17 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = { * outputs, then LVDS outputs. */ static void -intel_sdvo_select_ddc_bus(struct intel_sdvo_priv *dev_priv) +intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv, + struct intel_sdvo_priv *sdvo, u32 reg) { - uint16_t mask = 0; - unsigned int num_bits; + struct sdvo_device_mapping *mapping; - /* Make a mask of outputs less than or equal to our own priority in the - * list. - */ - switch (dev_priv->controlled_output) { - case SDVO_OUTPUT_LVDS1: - mask |= SDVO_OUTPUT_LVDS1; - case SDVO_OUTPUT_LVDS0: - mask |= SDVO_OUTPUT_LVDS0; - case SDVO_OUTPUT_TMDS1: - mask |= SDVO_OUTPUT_TMDS1; - case SDVO_OUTPUT_TMDS0: - mask |= SDVO_OUTPUT_TMDS0; - case SDVO_OUTPUT_RGB1: - mask |= SDVO_OUTPUT_RGB1; - case SDVO_OUTPUT_RGB0: - mask |= SDVO_OUTPUT_RGB0; - break; - } - - /* Count bits to find what number we are in the priority list. */ - mask &= dev_priv->caps.output_flags; - num_bits = hweight16(mask); - if (num_bits > 3) { - /* if more than 3 outputs, default to DDC bus 3 for now */ - num_bits = 3; - } + if (IS_SDVOB(reg)) + mapping = &(dev_priv->sdvo_mappings[0]); + else + mapping = &(dev_priv->sdvo_mappings[1]); - /* Corresponds to SDVO_CONTROL_BUS_DDCx */ - dev_priv->ddc_bus = 1 << num_bits; + sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4); } static bool @@ -2864,7 +2841,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) goto err_i2c; } - intel_sdvo_select_ddc_bus(sdvo_priv); + intel_sdvo_select_ddc_bus(dev_priv, sdvo_priv, sdvo_reg); /* Set the input timing to the screen. Assume always input 0. */ intel_sdvo_set_target_input(intel_encoder, true, false); |