diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 45 |
1 files changed, 22 insertions, 23 deletions
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 6739a74..de158b7 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -120,12 +120,6 @@ struct intel_sdvo { */ struct drm_display_mode *sdvo_lvds_fixed_mode; - /* - * supported encoding mode, used to determine whether HDMI is - * supported - */ - struct intel_sdvo_encode encode; - /* DDC bus used by this SDVO encoder */ uint8_t ddc_bus; @@ -799,17 +793,13 @@ static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode, mode->flags |= DRM_MODE_FLAG_PVSYNC; } -static bool intel_sdvo_get_supp_encode(struct intel_sdvo *intel_sdvo, - struct intel_sdvo_encode *encode) +static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo) { - if (intel_sdvo_get_value(intel_sdvo, - SDVO_CMD_GET_SUPP_ENCODE, - encode, sizeof(*encode))) - return true; + struct intel_sdvo_encode encode; - /* non-support means DVI */ - memset(encode, 0, sizeof(*encode)); - return false; + return intel_sdvo_get_value(intel_sdvo, + SDVO_CMD_GET_SUPP_ENCODE, + &encode, sizeof(encode)); } static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo, @@ -1958,12 +1948,22 @@ intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv, } static bool -intel_sdvo_get_digital_encoding_mode(struct intel_sdvo *intel_sdvo, int device) +intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device) { - return intel_sdvo_set_target_output(intel_sdvo, - device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1) && - intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, - &intel_sdvo->is_hdmi, 1); + int is_hdmi; + + if (!intel_sdvo_check_supp_encode(intel_sdvo)) + return false; + + if (!intel_sdvo_set_target_output(intel_sdvo, + device == 0 ? SDVO_OUTPUT_TMDS0 : SDVO_OUTPUT_TMDS1)) + return false; + + is_hdmi = 0; + if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ENCODE, &is_hdmi, 1)) + return false; + + return !!is_hdmi; } static u8 @@ -2064,14 +2064,13 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device) encoder->encoder_type = DRM_MODE_ENCODER_TMDS; connector->connector_type = DRM_MODE_CONNECTOR_DVID; - if (intel_sdvo_get_supp_encode(intel_sdvo, &intel_sdvo->encode) - && intel_sdvo_get_digital_encoding_mode(intel_sdvo, device) - && intel_sdvo->is_hdmi) { + if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) { /* enable hdmi encoding mode if supported */ intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI); intel_sdvo_set_colorimetry(intel_sdvo, SDVO_COLORIMETRY_RGB256); connector->connector_type = DRM_MODE_CONNECTOR_HDMIA; + intel_sdvo->is_hdmi = true; } intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) | (1 << INTEL_ANALOG_CLONE_BIT)); |
