openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915/sdvo: Remove unused encoding member 

This block is only used when detecting whether the connector is HDMI and
never again, so scope the variable to the detection routine.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-22 09:15:22 +01:00
parent 3c17fe4b8f
commit e27d853869
1 changed files with 22 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
drivers/gpu/drm/i915/intel_sdvo.c
View File

@ -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));