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* [PATCH RESEND 1/2] drm/i915: don't register invalid gmbus pins for bdw
@ 2015-05-06 12:33 Jani Nikula
  2015-05-06 12:33 ` [PATCH RESEND 2/2] drm/i915: don't register invalid gmbus pins for skl Jani Nikula
  0 siblings, 1 reply; 7+ messages in thread
From: Jani Nikula @ 2015-05-06 12:33 UTC (permalink / raw)
  To: intel-gfx; +Cc: jani.nikula

Do no expose invalid gmbus pins as i2c devices to userspace.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_i2c.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 3daa7e322326..76070c4e76b3 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -49,6 +49,13 @@ static const struct gmbus_pin gmbus_pins[] = {
 	[GMBUS_PIN_DPD] = { "dpd", GPIOF },
 };
 
+static const struct gmbus_pin gmbus_pins_bdw[] = {
+	[GMBUS_PIN_VGADDC] = { "vga", GPIOA },
+	[GMBUS_PIN_DPC] = { "dpc", GPIOD },
+	[GMBUS_PIN_DPB] = { "dpb", GPIOE },
+	[GMBUS_PIN_DPD] = { "dpd", GPIOF },
+};
+
 static const struct gmbus_pin gmbus_pins_bxt[] = {
 	[GMBUS_PIN_1_BXT] = { "dpb", PCH_GPIOB },
 	[GMBUS_PIN_2_BXT] = { "dpc", PCH_GPIOC },
@@ -61,6 +68,8 @@ static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv,
 {
 	if (IS_BROXTON(dev_priv))
 		return &gmbus_pins_bxt[pin];
+	else if (IS_BROADWELL(dev_priv))
+		return &gmbus_pins_bdw[pin];
 	else
 		return &gmbus_pins[pin];
 }
@@ -72,6 +81,8 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
 
 	if (IS_BROXTON(dev_priv))
 		size = ARRAY_SIZE(gmbus_pins_bxt);
+	else if (IS_BROADWELL(dev_priv))
+		size = ARRAY_SIZE(gmbus_pins_bdw);
 	else
 		size = ARRAY_SIZE(gmbus_pins);
 
-- 
2.1.4

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^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2015-05-12 13:06 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-05-06 12:33 [PATCH RESEND 1/2] drm/i915: don't register invalid gmbus pins for bdw Jani Nikula
2015-05-06 12:33 ` [PATCH RESEND 2/2] drm/i915: don't register invalid gmbus pins for skl Jani Nikula
2015-05-11 10:42   ` David Weinehall
2015-05-11 11:13     ` Jani Nikula
2015-05-12 11:52   ` Imre Deak
2015-05-12 12:24     ` Jani Nikula
2015-05-12 13:09       ` Daniel Vetter

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