diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0971-drm-amd-dal-Fix-IRQ-sources-for-HPD-control-config.patch')
-rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0971-drm-amd-dal-Fix-IRQ-sources-for-HPD-control-config.patch | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0971-drm-amd-dal-Fix-IRQ-sources-for-HPD-control-config.patch b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0971-drm-amd-dal-Fix-IRQ-sources-for-HPD-control-config.patch new file mode 100644 index 00000000..9e9d5cab --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0971-drm-amd-dal-Fix-IRQ-sources-for-HPD-control-config.patch @@ -0,0 +1,83 @@ +From f5eb0f1752990b25c7bdcdf5fcb09452c271f09b Mon Sep 17 00:00:00 2001 +From: David Rokhvarg <David.Rokhvarg@amd.com> +Date: Mon, 14 Dec 2015 17:10:45 -0500 +Subject: [PATCH 0971/1050] drm/amd/dal: Fix IRQ sources for HPD + control/config. + +This resolves the "headless boot/hpd" issue by removing the +use of "amdgpu_connector->hpd.hpd" (which was not properly +initialized). +Instead, only "dc_link->irq_source_hpd" will be used +for HPD irq control/config. + +Change-Id: I8431d1acdded0c84ad8fffdfa28200b3a1f3f293 +Signed-off-by: David Rokhvarg <David.Rokhvarg@amd.com> +Acked-by: Jordan Lazare <Jordan.Lazare@amd.com> +--- + drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c | 20 ++++++++++---------- + drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c | 4 +--- + 2 files changed, 11 insertions(+), 13 deletions(-) + +diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c +index 05a0053..ab6df66 100644 +--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c ++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_irq.c +@@ -761,9 +761,7 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev) + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_connector *amdgpu_connector = + to_amdgpu_connector(connector); +- enum dc_irq_source src = +- amdgpu_dm_hpd_to_dal_irq_source( +- amdgpu_connector->hpd.hpd); ++ + const struct dc_link *dc_link = amdgpu_connector->dc_link; + + if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || +@@ -777,8 +775,7 @@ void amdgpu_dm_hpd_init(struct amdgpu_device *adev) + continue; + } + +- dc_interrupt_set(adev->dm.dc, src, true); +- amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); ++ dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, true); + + if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { + dc_interrupt_set(adev->dm.dc, +@@ -804,11 +801,14 @@ void amdgpu_dm_hpd_fini(struct amdgpu_device *adev) + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct amdgpu_connector *amdgpu_connector = + to_amdgpu_connector(connector); +- enum dc_irq_source src = +- amdgpu_dm_hpd_to_dal_irq_source( +- amdgpu_connector->hpd.hpd); ++ const struct dc_link *dc_link = amdgpu_connector->dc_link; + +- dc_interrupt_set(adev->dm.dc, src, false); +- amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); ++ dc_interrupt_set(adev->dm.dc, dc_link->irq_source_hpd, false); ++ ++ if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) { ++ dc_interrupt_set(adev->dm.dc, ++ dc_link->irq_source_hpd_rx, ++ false); ++ } + } + } +diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c +index aebb549..88a39aa 100644 +--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c ++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_types.c +@@ -1773,9 +1773,7 @@ void amdgpu_dm_connector_init_helper( + aconnector->base.interlace_allowed = true; + aconnector->base.doublescan_allowed = true; + aconnector->base.dpms = DRM_MODE_DPMS_OFF; +- aconnector->hpd.hpd = link_index; /* maps to 'enum amdgpu_hpd_id' */ +- +- ++ aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */ + + /*configure suport HPD hot plug connector_>polled default value is 0 + * which means HPD hot plug not supported*/ +-- +1.9.1 + |