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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4344-Revert-drm-amd-display-setting-the-DIG_MODE-to-the-c.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4344-Revert-drm-amd-display-setting-the-DIG_MODE-to-the-c.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4344-Revert-drm-amd-display-setting-the-DIG_MODE-to-the-c.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4344-Revert-drm-amd-display-setting-the-DIG_MODE-to-the-c.patch
new file mode 100644
index 00000000..ebc20c34
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4344-Revert-drm-amd-display-setting-the-DIG_MODE-to-the-c.patch
@@ -0,0 +1,49 @@
+From 7ee3c33cd19d48803b9e88e5bcc787005c06bf41 Mon Sep 17 00:00:00 2001
+From: Zhan Liu <Zhan.Liu@amd.com>
+Date: Mon, 4 Nov 2019 15:46:56 -0400
+Subject: [PATCH 4344/4736] Revert "drm/amd/display: setting the DIG_MODE to
+ the correct value."
+
+This reverts commit 6966609de439ac6ddd4438a468f83ab0a2f36de0.
+
+Reason for revert: Root cause of this issue is found. The workaround is not needed anymore.
+
+Change-Id: I193ea994b8ce5c2828dfc09b36c009546443c7d5
+Signed-off-by: Zhan Liu <Zhan.Liu@amd.com>
+Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc_link.c | 18 ------------------
+ 1 file changed, 18 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+index fad7f3b7bc31..8780020d4f6a 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+@@ -3025,24 +3025,6 @@ void core_link_enable_stream(
+ CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
+ COLOR_DEPTH_UNDEFINED);
+
+- /* This second call is needed to reconfigure the DIG
+- * as a workaround for the incorrect value being applied
+- * from transmitter control.
+- */
+- if (!dc_is_virtual_signal(pipe_ctx->stream->signal))
+- stream->link->link_enc->funcs->setup(
+- stream->link->link_enc,
+- pipe_ctx->stream->signal);
+-
+- /* This second call is needed to reconfigure the DIG
+- * as a workaround for the incorrect value being applied
+- * from transmitter control.
+- */
+- if (!dc_is_virtual_signal(pipe_ctx->stream->signal))
+- stream->link->link_enc->funcs->setup(
+- stream->link->link_enc,
+- pipe_ctx->stream->signal);
+-
+ #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
+ if (pipe_ctx->stream->timing.flags.DSC) {
+ if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+--
+2.17.1
+