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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2307-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2307-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2307-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2307-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch
new file mode 100644
index 00000000..ea490995
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2307-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch
@@ -0,0 +1,31 @@
+From b765d00217038ea76b37bf09dc3c5a437f7f5d24 Mon Sep 17 00:00:00 2001
+From: Yongqiang Sun <yongqiang.sun@amd.com>
+Date: Mon, 21 Aug 2017 11:00:25 -0400
+Subject: [PATCH 2307/4131] drm/amd/display: Enable double buffer when unblank
+ crtc.
+
+Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+index 6a5f268..cc58f43 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_timing_generator.c
+@@ -289,6 +289,9 @@ static void tgn10_unblank_crtc(struct timing_generator *tg)
+ {
+ struct dcn10_timing_generator *tgn10 = DCN10TG_FROM_TG(tg);
+
++ REG_UPDATE(OTG_DOUBLE_BUFFER_CONTROL,
++ OTG_BLANK_DATA_DOUBLE_BUFFER_EN, 1);
++
+ REG_UPDATE_2(OTG_BLANK_CONTROL,
+ OTG_BLANK_DATA_EN, 0,
+ OTG_BLANK_DE_MODE, 0);
+--
+2.7.4
+