[Intel-gfx] [PATCH v2 03/14] drm/i915/bios: reduce indent in sanitize_ddc_pin and sanitize_aux_ch
Jani Nikula
jani.nikula at intel.com
Wed Mar 17 16:36:42 UTC 2021
Reduce indent with an early return. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
drivers/gpu/drm/i915/display/intel_bios.c | 86 +++++++++++------------
1 file changed, 41 insertions(+), 45 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 824148063451..5e7dc0899ab1 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1525,31 +1525,29 @@ static void sanitize_ddc_pin(struct drm_i915_private *i915,
return;
p = get_port_by_ddc_pin(i915, info->alternate_ddc_pin);
- if (p != PORT_NONE) {
- drm_dbg_kms(&i915->drm,
- "port %c trying to use the same DDC pin (0x%x) as port %c, "
- "disabling port %c DVI/HDMI support\n",
- port_name(port), info->alternate_ddc_pin,
- port_name(p), port_name(p));
+ if (p == PORT_NONE)
+ return;
- /*
- * If we have multiple ports supposedly sharing the
- * pin, then dvi/hdmi couldn't exist on the shared
- * port. Otherwise they share the same ddc bin and
- * system couldn't communicate with them separately.
- *
- * Give inverse child device order the priority,
- * last one wins. Yes, there are real machines
- * (eg. Asrock B250M-HDV) where VBT has both
- * port A and port E with the same AUX ch and
- * we must pick port E :(
- */
- info = &i915->vbt.ddi_port_info[p];
+ drm_dbg_kms(&i915->drm,
+ "port %c trying to use the same DDC pin (0x%x) as port %c, "
+ "disabling port %c DVI/HDMI support\n",
+ port_name(port), info->alternate_ddc_pin,
+ port_name(p), port_name(p));
- info->supports_dvi = false;
- info->supports_hdmi = false;
- info->alternate_ddc_pin = 0;
- }
+ /*
+ * If we have multiple ports supposedly sharing the pin, then dvi/hdmi
+ * couldn't exist on the shared port. Otherwise they share the same ddc
+ * bin and system couldn't communicate with them separately.
+ *
+ * Give inverse child device order the priority, last one wins. Yes,
+ * there are real machines (eg. Asrock B250M-HDV) where VBT has both
+ * port A and port E with the same AUX ch and we must pick port E :(
+ */
+ info = &i915->vbt.ddi_port_info[p];
+
+ info->supports_dvi = false;
+ info->supports_hdmi = false;
+ info->alternate_ddc_pin = 0;
}
static enum port get_port_by_aux_ch(struct drm_i915_private *i915, u8 aux_ch)
@@ -1577,30 +1575,28 @@ static void sanitize_aux_ch(struct drm_i915_private *i915,
return;
p = get_port_by_aux_ch(i915, info->alternate_aux_channel);
- if (p != PORT_NONE) {
- drm_dbg_kms(&i915->drm,
- "port %c trying to use the same AUX CH (0x%x) as port %c, "
- "disabling port %c DP support\n",
- port_name(port), info->alternate_aux_channel,
- port_name(p), port_name(p));
+ if (p == PORT_NONE)
+ return;
- /*
- * If we have multiple ports supposedlt sharing the
- * aux channel, then DP couldn't exist on the shared
- * port. Otherwise they share the same aux channel
- * and system couldn't communicate with them separately.
- *
- * Give inverse child device order the priority,
- * last one wins. Yes, there are real machines
- * (eg. Asrock B250M-HDV) where VBT has both
- * port A and port E with the same AUX ch and
- * we must pick port E :(
- */
- info = &i915->vbt.ddi_port_info[p];
+ drm_dbg_kms(&i915->drm,
+ "port %c trying to use the same AUX CH (0x%x) as port %c, "
+ "disabling port %c DP support\n",
+ port_name(port), info->alternate_aux_channel,
+ port_name(p), port_name(p));
- info->supports_dp = false;
- info->alternate_aux_channel = 0;
- }
+ /*
+ * If we have multiple ports supposedlt sharing the aux channel, then DP
+ * couldn't exist on the shared port. Otherwise they share the same aux
+ * channel and system couldn't communicate with them separately.
+ *
+ * Give inverse child device order the priority, last one wins. Yes,
+ * there are real machines (eg. Asrock B250M-HDV) where VBT has both
+ * port A and port E with the same AUX ch and we must pick port E :(
+ */
+ info = &i915->vbt.ddi_port_info[p];
+
+ info->supports_dp = false;
+ info->alternate_aux_channel = 0;
}
static const u8 cnp_ddc_pin_map[] = {
--
2.20.1
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