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-rw-r--r--common/recipes-kernel/linux/files/0603-drm-amd-dal-refactor-initial-detection.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0603-drm-amd-dal-refactor-initial-detection.patch b/common/recipes-kernel/linux/files/0603-drm-amd-dal-refactor-initial-detection.patch
new file mode 100644
index 00000000..89965d98
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0603-drm-amd-dal-refactor-initial-detection.patch
@@ -0,0 +1,49 @@
+From 4d75ceb23fc5f0a4b1f1be1d09a04997e0ebe2da Mon Sep 17 00:00:00 2001
+From: Mykola Lysenko <Mykola.Lysenko@amd.com>
+Date: Mon, 7 Dec 2015 19:50:37 +0800
+Subject: [PATCH 0603/1110] drm/amd/dal: refactor initial detection
+
+We should not use iteration on connectors when we need
+iterate on links
+
+Signed-off-by: Harry Wentland <harry.wentland@amd.com>
+Acked-by: Harry Wentland<harry.wentland@amd.com>
+---
+ drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
+index e68598f..f85ce3b 100644
+--- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
++++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm.c
+@@ -1025,7 +1025,6 @@ int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
+ {
+ struct amdgpu_display_manager *dm = &adev->dm;
+ uint32_t link_index;
+- struct drm_connector *connector;
+ struct amdgpu_connector *aconnector;
+ struct amdgpu_encoder *aencoder;
+ struct amdgpu_crtc *acrtc;
+@@ -1087,14 +1086,15 @@ int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
+ DRM_ERROR("KMS: Failed to initialize connector\n");
+ goto fail;
+ }
++
++ dc_link_detect(dc_get_link_at_index(dm->dc, link_index));
++
++ amdgpu_dm_update_connector_after_detect(
++ aconnector);
+ }
+
+ dm->display_indexes_num = link_cnt;
+
+- detect_on_all_dc_links(&adev->dm);
+- list_for_each_entry(connector, &adev->ddev->mode_config.connector_list, head)
+- amdgpu_dm_update_connector_after_detect(to_amdgpu_connector(connector));
+-
+ /* Software is initialized. Now we can register interrupt handlers. */
+ switch (adev->asic_type) {
+ case CHIP_CARRIZO:
+--
+2.7.4
+