diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0620-drm-amd-dal-adjust-DVI-signal-type-based-on-pixel-cl.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0620-drm-amd-dal-adjust-DVI-signal-type-based-on-pixel-cl.patch | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/common/recipes-kernel/linux/files/0620-drm-amd-dal-adjust-DVI-signal-type-based-on-pixel-cl.patch b/common/recipes-kernel/linux/files/0620-drm-amd-dal-adjust-DVI-signal-type-based-on-pixel-cl.patch deleted file mode 100644 index 5cd38d1e..00000000 --- a/common/recipes-kernel/linux/files/0620-drm-amd-dal-adjust-DVI-signal-type-based-on-pixel-cl.patch +++ /dev/null @@ -1,77 +0,0 @@ -From 74c3a774117be295931635fea069402a0a50df47 Mon Sep 17 00:00:00 2001 -From: Yongqiang Sun <yongqiang.sun@amd.com> -Date: Tue, 15 Dec 2015 13:59:37 -0500 -Subject: [PATCH 0620/1110] drm/amd/dal: adjust DVI signal type based on pixel - clk - -In case of asic supporting dual link DVI, sigal type should -be adjusted based on mode timing pixel clock, otherwise timing -on panel may be wrong. -Solution: -In case of DVI, Check mode timing pixel clock before assign -signal type from dc_sink to stream. -If pixel clock more than 165Mhz, consider it as dual link, -otherwise, single link. - -Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> -Signed-off-by: Harry Wentland <harry.wentland@amd.com> -Acked-by: Harry Wentland<harry.wentland@amd.com> ---- - .../drm/amd/dal/dc/dce_base/dce_base_resource.c | 27 ++++++++++++++++++++-- - 1 file changed, 25 insertions(+), 2 deletions(-) - -diff --git a/drivers/gpu/drm/amd/dal/dc/dce_base/dce_base_resource.c b/drivers/gpu/drm/amd/dal/dc/dce_base/dce_base_resource.c -index ba74ff5..8996475 100644 ---- a/drivers/gpu/drm/amd/dal/dc/dce_base/dce_base_resource.c -+++ b/drivers/gpu/drm/amd/dal/dc/dce_base/dce_base_resource.c -@@ -33,6 +33,9 @@ - - #include "resource.h" - -+/* Maximum TMDS single link pixel clock 165MHz */ -+#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ 165000 -+ - static void attach_stream_to_controller( - struct resource_context *res_ctx, - struct core_stream *stream) -@@ -142,6 +145,26 @@ static bool check_timing_change(struct core_stream *cur_stream, - &new_stream->public.timing); - } - -+static void set_stream_signal(struct core_stream *stream) -+{ -+ struct dc_sink *dc_sink = (struct dc_sink *)stream->public.sink; -+ -+ /* For asic supports dual link DVI, we should adjust signal type -+ * based on timing pixel clock. If pixel clock more than 165Mhz, -+ * signal is dual link, otherwise, single link. -+ */ -+ if (dc_sink->sink_signal == SIGNAL_TYPE_DVI_SINGLE_LINK || -+ dc_sink->sink_signal == SIGNAL_TYPE_DVI_DUAL_LINK) { -+ if (stream->public.timing.pix_clk_khz > -+ TMDS_MAX_PIXEL_CLOCK_IN_KHZ) -+ dc_sink->sink_signal = SIGNAL_TYPE_DVI_DUAL_LINK; -+ else -+ dc_sink->sink_signal = SIGNAL_TYPE_DVI_SINGLE_LINK; -+ } -+ -+ stream->signal = dc_sink->sink_signal; -+} -+ - enum dc_status dce_base_map_resources( - const struct dc *dc, - struct validate_context *context) -@@ -207,8 +230,8 @@ enum dc_status dce_base_map_resources( - set_stream_engine_in_use( - &context->res_ctx, - stream->stream_enc); -- stream->signal = -- stream->sink->public.sink_signal; -+ -+ set_stream_signal(stream); - - /* TODO: Add check if ASIC support and EDID audio */ - if (!stream->sink->converter_disable_audio && --- -2.7.4 - |