From: Karsten Wiese Date: Sat, 27 Mar 2010 21:48:33 +0000 (+0100) Subject: drm/i915: Don't touch PORT_HOTPLUG_EN in intel_dp_detect() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6e0032f0ae4440e75256bee11b163552cae21962;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git drm/i915: Don't touch PORT_HOTPLUG_EN in intel_dp_detect() PORT_HOTPLUG_EN has allready been setup in i915_driver_irq_postinstall(), when intel_dp_detect() runs. Delete the DP[BCD]_HOTPLUG_INT_EN defines, they are not referenced anymore. I found this while searching for a fix for https://bugzilla.redhat.com/show_bug.cgi?id=528312 Signed-off-by: Karsten Wiese Signed-off-by: Eric Anholt --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 480a5eef8a48..21e3fdc07585 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1232,16 +1232,6 @@ intel_dp_detect(struct drm_connector *connector) if (HAS_PCH_SPLIT(dev)) return ironlake_dp_detect(connector); - temp = I915_READ(PORT_HOTPLUG_EN); - - I915_WRITE(PORT_HOTPLUG_EN, - temp | - DPB_HOTPLUG_INT_EN | - DPC_HOTPLUG_INT_EN | - DPD_HOTPLUG_INT_EN); - - POSTING_READ(PORT_HOTPLUG_EN); - switch (dp_priv->output_reg) { case DP_B: bit = DPB_HOTPLUG_INT_STATUS;