[PATCH 1/2] drm/i915: don't enumerate HDMID if an eDP panel is already active on the port

[PATCH 1/2] drm/i915: don't enumerate HDMID if an eDP panel is already active on the port

[Jesse Barnes]

This prevents the HDMI detect functions from poking at an eDP connected panel, which can lead to trouble.

References: https://bugs.freedesktop.org/show_bug.cgi?id=42278
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3c71850..0c0df44 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6531,7 +6531,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 		if (I915_READ(HDMIC) & PORT_DETECTED)
 			intel_hdmi_init(dev, HDMIC);
 
-		if (I915_READ(HDMID) & PORT_DETECTED)
+		if (!dpd_is_edp && I915_READ(HDMID) & PORT_DETECTED)
 			intel_hdmi_init(dev, HDMID);
 
 		if (I915_READ(PCH_DP_C) & DP_DETECTED)
-- 
1.7.9.5

Re: [PATCH 1/2] drm/i915: don't enumerate HDMID if an eDP panel is already active on the port

[Daniel Vetter]

On Mon, Jun 11, 2012 at 02:39:56PM -0400, Jesse Barnes wrote:
> This prevents the HDMI detect functions from poking at an eDP connected panel, which can lead to trouble.
> 
> References: https://bugs.freedesktop.org/show_bug.cgi?id=42278
> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Picked up for -fixes, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48