diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0994-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0994-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0994-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0994-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch new file mode 100644 index 00000000..d6d7e8b4 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0994-drm-amd-display-Enable-double-buffer-when-unblank-cr.patch @@ -0,0 +1,31 @@ +From dfbdca3147e016e463e8f0b070398519b8bac5cb 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 0994/4131] drm/amd/display: Enable double buffer when unblank + crtc. + +Change-Id: I69bcb30ffb1ec1409d8e61adc009b9c87a7ccc30 +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> +--- + 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 + |