diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5055-drm-amd-display-Allow-clock-sharing-b-w-HDMI-and-DVI.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5055-drm-amd-display-Allow-clock-sharing-b-w-HDMI-and-DVI.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5055-drm-amd-display-Allow-clock-sharing-b-w-HDMI-and-DVI.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5055-drm-amd-display-Allow-clock-sharing-b-w-HDMI-and-DVI.patch new file mode 100644 index 00000000..ad17ebcd --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5055-drm-amd-display-Allow-clock-sharing-b-w-HDMI-and-DVI.patch @@ -0,0 +1,45 @@ +From 62a45ccc38345dbb9f05f3dd04c44e030f50628f Mon Sep 17 00:00:00 2001 +From: Mikita Lipski <mikita.lipski@amd.com> +Date: Mon, 16 Jul 2018 09:17:55 -0400 +Subject: [PATCH 5055/5725] drm/amd/display: Allow clock sharing b/w HDMI and + DVI + +[why] +HDMI and DVI share the same PHY clock and single link +DVI and HDMI both use 4 lanes, so they should be allowed +to be sharing the same clock source if all other parameters +are satisfied. + +[how] +Change a check for general DVI to Dual DVI. + +Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +index 2a4a642..1f3aa4a 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +@@ -371,11 +371,11 @@ static bool is_sharable_clk_src( + return false; + + if (dc_is_hdmi_signal(pipe_with_clk_src->stream->signal) +- && dc_is_dvi_signal(pipe->stream->signal)) ++ && dc_is_dual_link_signal(pipe->stream->signal)) + return false; + + if (dc_is_hdmi_signal(pipe->stream->signal) +- && dc_is_dvi_signal(pipe_with_clk_src->stream->signal)) ++ && dc_is_dual_link_signal(pipe_with_clk_src->stream->signal)) + return false; + + if (!resource_are_streams_timing_synchronizable( +-- +2.7.4 + |