On Fri, 31 May 2019, Ville Syrjälä <[email protected]> wrote: > On Fri, May 31, 2019 at 04:14:51PM +0300, Jani Nikula wrote: >> Make the child device order the priority order in sanitizing DDC pin and >> AUX CH. First come, first served. >> >> Cc: Ville Syrjälä <[email protected]> >> Signed-off-by: Jani Nikula <[email protected]> >> --- >> drivers/gpu/drm/i915/intel_bios.c | 32 +++++++++++++++---------------- >> 1 file changed, 15 insertions(+), 17 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/intel_bios.c >> b/drivers/gpu/drm/i915/intel_bios.c >> index a0b708f7f384..0a1b9a4a1b71 100644 >> --- a/drivers/gpu/drm/i915/intel_bios.c >> +++ b/drivers/gpu/drm/i915/intel_bios.c >> @@ -1242,8 +1242,7 @@ static u8 translate_iboost(u8 val) >> static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, >> enum port port) >> { >> - const struct ddi_vbt_port_info *info = >> - &dev_priv->vbt.ddi_port_info[port]; >> + struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; >> enum port p; >> >> if (!info->alternate_ddc_pin) >> @@ -1258,8 +1257,8 @@ static void sanitize_ddc_pin(struct drm_i915_private >> *dev_priv, >> >> DRM_DEBUG_KMS("port %c trying to use the same DDC pin (0x%x) as >> port %c, " >> "disabling port %c DVI/HDMI support\n", >> - port_name(p), i->alternate_ddc_pin, >> - port_name(port), port_name(p)); >> + port_name(port), info->alternate_ddc_pin, >> + port_name(p), port_name(port)); >> >> /* >> * If we have multiple ports supposedly sharing the >> @@ -1267,20 +1266,19 @@ static void sanitize_ddc_pin(struct drm_i915_private >> *dev_priv, >> * port. Otherwise they share the same ddc bin and >> * system couldn't communicate with them separately. >> * >> - * Due to parsing the ports in child device order, >> - * a later device will always clobber an earlier one. >> + * Give child device order the priority, first come first >> + * served. >> */ >> - i->supports_dvi = false; >> - i->supports_hdmi = false; >> - i->alternate_ddc_pin = 0; >> + info->supports_dvi = false; >> + info->supports_hdmi = false; >> + info->alternate_ddc_pin = 0; > > 'i' can now be const I think.
I ignored that because 'i' gets removed a couple of patches later anyway. > > Series is > Reviewed-by: Ville Syrjälä <[email protected]> > > Though I only glanced at the header reorganization things instead > of reading through it all in detail. Thanks, pushed the lot. BR, Jani. > >> } >> } >> >> static void sanitize_aux_ch(struct drm_i915_private *dev_priv, >> enum port port) >> { >> - const struct ddi_vbt_port_info *info = >> - &dev_priv->vbt.ddi_port_info[port]; >> + struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port]; >> enum port p; >> >> if (!info->alternate_aux_channel) >> @@ -1295,8 +1293,8 @@ static void sanitize_aux_ch(struct drm_i915_private >> *dev_priv, >> >> DRM_DEBUG_KMS("port %c trying to use the same AUX CH (0x%x) as >> port %c, " >> "disabling port %c DP support\n", >> - port_name(p), i->alternate_aux_channel, >> - port_name(port), port_name(p)); >> + port_name(port), info->alternate_aux_channel, >> + port_name(p), port_name(port)); >> >> /* >> * If we have multiple ports supposedlt sharing the >> @@ -1304,11 +1302,11 @@ static void sanitize_aux_ch(struct drm_i915_private >> *dev_priv, >> * port. Otherwise they share the same aux channel >> * and system couldn't communicate with them separately. >> * >> - * Due to parsing the ports in child device order, >> - * a later device will always clobber an earlier one. >> + * Give child device order the priority, first come first >> + * served. >> */ >> - i->supports_dp = false; >> - i->alternate_aux_channel = 0; >> + info->supports_dp = false; >> + info->alternate_aux_channel = 0; >> } >> } >> >> -- >> 2.20.1 -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
