On Wed, Nov 2, 2011 at 10:27 AM, Jerome Glisse <j.glisse@xxxxxxxxx> wrote: > On Tue, Nov 01, 2011 at 05:27:26PM -0400, Alex Deucher wrote: >> On Fri, Oct 28, 2011 at 5:52 PM, <j.glisse@xxxxxxxxx> wrote: >> > From: Jerome Glisse <jglisse@xxxxxxxxxx> >> > >> > Polarity needs to be set accordingly to connector status (connected >> > or disconnected). Set it up at module init so first hotplug works >> > reliably no matter what is the initial set of connector. >> >> Thinking about this more, we should probably do this on resume as >> well. Calling it in hpd_init should cover all the bases. >> >> Alex >> > > Good catch :) > Dave, Do you want to revert Jerome's original patch or should I remove it as part of this patch and resend? Alex > Reviewed-by: Jerome Glisse <jglisse@xxxxxxxxxx> > >> > >> > Signed-off-by: Jerome Glisse <jglisse@xxxxxxxxxx> >> > cc: stable@xxxxxxxxxx >> > --- >> > drivers/gpu/drm/radeon/radeon_connectors.c | 1 + >> > 1 files changed, 1 insertions(+), 0 deletions(-) >> > >> > diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c >> > index dec6cbe..bfdd48b 100644 >> > --- a/drivers/gpu/drm/radeon/radeon_connectors.c >> > +++ b/drivers/gpu/drm/radeon/radeon_connectors.c >> > @@ -1789,6 +1789,7 @@ radeon_add_atom_connector(struct drm_device *dev, >> > connector->polled = DRM_CONNECTOR_POLL_CONNECT; >> > } else >> > connector->polled = DRM_CONNECTOR_POLL_HPD; >> > + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); >> > >> > connector->display_info.subpixel_order = subpixel_order; >> > drm_sysfs_connector_add(connector); >> > -- >> > 1.7.6.4 >> > >> > _______________________________________________ >> > dri-devel mailing list >> > dri-devel@xxxxxxxxxxxxxxxxxxxxx >> > http://lists.freedesktop.org/mailman/listinfo/dri-devel >> > > >> From 90a532b643cbe882497eaadb78f7d1997af6e22b Mon Sep 17 00:00:00 2001 >> From: Alex Deucher <alexander.deucher@xxxxxxx> >> Date: Tue, 1 Nov 2011 17:23:15 -0400 >> Subject: [PATCH] drm/radeon/kms: set HPD polarity in hpd_init() >> >> Polarity needs to be set accordingly to connector status (connected >> or disconnected). Set it up in hpd_init() so first hotplug works >> reliably no matter what is the initial set of connector. hpd_init() >> also covers resume so HPD will work correctly after resume as well. >> >> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> >> Cc: stable@xxxxxxxxxx >> --- >> drivers/gpu/drm/radeon/evergreen.c | 1 + >> drivers/gpu/drm/radeon/r100.c | 1 + >> drivers/gpu/drm/radeon/r600.c | 19 +++++++++---------- >> drivers/gpu/drm/radeon/rs600.c | 1 + >> 4 files changed, 12 insertions(+), 10 deletions(-) >> >> diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c >> index db9027d..7ce9c87 100644 >> --- a/drivers/gpu/drm/radeon/evergreen.c >> +++ b/drivers/gpu/drm/radeon/evergreen.c >> @@ -353,6 +353,7 @@ void evergreen_hpd_init(struct radeon_device *rdev) >> default: >> break; >> } >> + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); >> } >> if (rdev->irq.installed) >> evergreen_irq_set(rdev); >> diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c >> index 8f8b8fa..4191eaf 100644 >> --- a/drivers/gpu/drm/radeon/r100.c >> +++ b/drivers/gpu/drm/radeon/r100.c >> @@ -536,6 +536,7 @@ void r100_hpd_init(struct radeon_device *rdev) >> default: >> break; >> } >> + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); >> } >> if (rdev->irq.installed) >> r100_irq_set(rdev); >> diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c >> index 3aa46d7..4d85398 100644 >> --- a/drivers/gpu/drm/radeon/r600.c >> +++ b/drivers/gpu/drm/radeon/r600.c >> @@ -762,13 +762,14 @@ void r600_hpd_init(struct radeon_device *rdev) >> struct drm_device *dev = rdev->ddev; >> struct drm_connector *connector; >> >> - if (ASIC_IS_DCE3(rdev)) { >> - u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); >> - if (ASIC_IS_DCE32(rdev)) >> - tmp |= DC_HPDx_EN; >> + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { >> + struct radeon_connector *radeon_connector = to_radeon_connector(connector); >> + >> + if (ASIC_IS_DCE3(rdev)) { >> + u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa); >> + if (ASIC_IS_DCE32(rdev)) >> + tmp |= DC_HPDx_EN; >> >> - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { >> - struct radeon_connector *radeon_connector = to_radeon_connector(connector); >> switch (radeon_connector->hpd.hpd) { >> case RADEON_HPD_1: >> WREG32(DC_HPD1_CONTROL, tmp); >> @@ -798,10 +799,7 @@ void r600_hpd_init(struct radeon_device *rdev) >> default: >> break; >> } >> - } >> - } else { >> - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { >> - struct radeon_connector *radeon_connector = to_radeon_connector(connector); >> + } else { >> switch (radeon_connector->hpd.hpd) { >> case RADEON_HPD_1: >> WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN); >> @@ -819,6 +817,7 @@ void r600_hpd_init(struct radeon_device *rdev) >> break; >> } >> } >> + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); >> } >> if (rdev->irq.installed) >> r600_irq_set(rdev); >> diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c >> index 9320dd6..02e0390 100644 >> --- a/drivers/gpu/drm/radeon/rs600.c >> +++ b/drivers/gpu/drm/radeon/rs600.c >> @@ -287,6 +287,7 @@ void rs600_hpd_init(struct radeon_device *rdev) >> default: >> break; >> } >> + radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd); >> } >> if (rdev->irq.installed) >> rs600_irq_set(rdev); >> -- >> 1.7.3.4 >> > > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel