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drm/i915: add HDMI and DP port enumeration on ValleyView

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ValleyView is similar to IbexPeak here, but with different register
offsets.

v2: use SDVOB instead ov VLV_HDMIB (Daniel)
    drop unnecessary eDP check in DP_C init (Daniel)

eDP support will be coming later from Shobit.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2012-06-15 11:55:16 -07:00 committed by Daniel Vetter
parent 7d2c24e8cd
commit 4a87d65d54
2 changed files with 17 additions and 1 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -3865,7 +3865,6 @@
#define ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
/* or SDVOB */
#define VLV_HDMIB 0x61140
#define HDMIB 0xe1140
#define PORT_ENABLE (1 << 31)
#define TRANSCODER(pipe) ((pipe) << 30)

17
drivers/gpu/drm/i915/intel_display.c
View File

@ -6768,7 +6768,24 @@ static void intel_setup_outputs(struct drm_device *dev)
if (!dpd_is_edp && (I915_READ(PCH_DP_D) & DP_DETECTED))
intel_dp_init(dev, PCH_DP_D);
} else if (IS_VALLEYVIEW(dev)) {
int found;
if (I915_READ(SDVOB) & PORT_DETECTED) {
/* SDVOB multiplex with HDMIB */
found = intel_sdvo_init(dev, SDVOB, true);
if (!found)
intel_hdmi_init(dev, SDVOB);
if (!found && (I915_READ(DP_B) & DP_DETECTED))
intel_dp_init(dev, DP_B);
}
if (I915_READ(SDVOC) & PORT_DETECTED)
intel_hdmi_init(dev, SDVOC);
/* Shares lanes with HDMI on SDVOC */
if (I915_READ(DP_C) & DP_DETECTED)
intel_dp_init(dev, DP_C);
} else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) {
bool found = false;