Thanks Rodrigo. This is always true. The hpd_pin is the right pin which we set for particular port. So no fallback needed. Regards, Sonika From: Rodrigo Vivi [mailto:rodrigo.vivi@gmail.com] Sent: Friday, September 11, 2015 11:31 PM To: Jindal, Sonika; intel-gfx@lists.freedesktop.org Subject: Re: [Intel-gfx] [PATCH] drm/i915/bxt: Use intel_encoder->hpd_pin to check live status On Fri, Sep 11, 2015 at 4:40 AM Sonika Jindal > wrote: Using intel_encoder's hpd_pin to check the live status because of BXT A0/A1 WA for HPD pins and hpd_pin contains the updated pin for the corresponding port. It makes sense, but is it always true? or we should have a fallback to intel_dig_port->port in some case or in some stepping after A0/A1? With this clarified feel free to use: Reviewed-by: Rodrigo Vivi > Signed-off-by: Sonika Jindal > --- drivers/gpu/drm/i915/intel_dp.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 796f930..bf17030 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4663,11 +4663,14 @@ static bool vlv_digital_port_connected(struct drm_i915_private *dev_priv, } static bool bxt_digital_port_connected(struct drm_i915_private *dev_priv, - struct intel_digital_port *port) + struct intel_digital_port *intel_dig_port) { + struct intel_encoder *intel_encoder = &intel_dig_port->base; + enum port port; u32 bit; - switch (port->port) { + intel_hpd_pin_to_port(intel_encoder->hpd_pin, &port); + switch (port) { case PORT_A: bit = BXT_DE_PORT_HP_DDIA; break; @@ -4678,7 +4681,7 @@ static bool bxt_digital_port_connected(struct drm_i915_private *dev_priv, bit = BXT_DE_PORT_HP_DDIC; break; default: - MISSING_CASE(port->port); + MISSING_CASE(port); return false; } -- 1.7.10.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx