On Wed, 17 Mar 2021, Lucas De Marchi <lucas.demar...@intel.com> wrote:
> On Wed, Mar 17, 2021 at 06:36:42PM +0200, Jani Nikula wrote:
>>Reduce indent with an early return. No functional changes.
>>
>>Signed-off-by: Jani Nikula <jani.nik...@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
>
> and another typo: supposedly. Might as well be a patch on top fixing
> these, up to you.
As they're just comments, I took the liberty of fixing while pushing.
Pushed the entire series, thanks for the review.
BR,
Jani.
>
> Lucas De Marchi
>
>>+ * 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
>>
--
Jani Nikula, Intel Open Source Graphics Center
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