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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0748-drm-amd-display-fix-HDMI-12bits-last-two-bits-are-ze.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0748-drm-amd-display-fix-HDMI-12bits-last-two-bits-are-ze.patch72
1 files changed, 72 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0748-drm-amd-display-fix-HDMI-12bits-last-two-bits-are-ze.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0748-drm-amd-display-fix-HDMI-12bits-last-two-bits-are-ze.patch
new file mode 100644
index 00000000..b2bc4501
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0748-drm-amd-display-fix-HDMI-12bits-last-two-bits-are-ze.patch
@@ -0,0 +1,72 @@
+From de39804978efce84f63fb980a5680dfe68b9f642 Mon Sep 17 00:00:00 2001
+From: Corbin McElhanney <corbin.mcelhanney@amd.com>
+Date: Thu, 3 Aug 2017 14:20:14 -0400
+Subject: [PATCH 0748/4131] drm/amd/display: fix HDMI 12bits last two bits are
+ zero issue
+
+(FF-158) -[FF N-1] HDMI Deep Color Mode incorrect bit depth:
+FMT_DYNAMIC_EXP_EN is being reset to 0
+
+Signed-off-by: Charlene Liu <charlene.liu@amd.com>
+Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 17 +++++++++++------
+ drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 3 ++-
+ 2 files changed, 13 insertions(+), 7 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+index 5992572..c29e514 100644
+--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+@@ -1044,14 +1044,14 @@ static enum dc_status apply_single_controller_ctx_to_hw(
+ /* */
+ dc->hwss.prog_pixclk_crtc_otg(pipe_ctx, context, dc);
+
+- pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
+- pipe_ctx->stream_res.opp,
+- COLOR_SPACE_YCBCR601,
+- stream->timing.display_color_depth,
+- pipe_ctx->stream->signal);
+-
+ /* FPGA does not program backend */
+ if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
++ pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
++ pipe_ctx->stream_res.opp,
++ COLOR_SPACE_YCBCR601,
++ stream->timing.display_color_depth,
++ pipe_ctx->stream->signal);
++
+ pipe_ctx->stream_res.opp->funcs->opp_program_fmt(
+ pipe_ctx->stream_res.opp,
+ &stream->bit_depth_params,
+@@ -1064,6 +1064,11 @@ static enum dc_status apply_single_controller_ctx_to_hw(
+ BREAK_TO_DEBUGGER();
+ return DC_ERROR_UNEXPECTED;
+ }
++ pipe_ctx->stream_res.opp->funcs->opp_set_dyn_expansion(
++ pipe_ctx->stream_res.opp,
++ COLOR_SPACE_YCBCR601,
++ stream->timing.display_color_depth,
++ pipe_ctx->stream->signal);
+
+ if (pipe_ctx->stream->signal != SIGNAL_TYPE_VIRTUAL)
+ stream->sink->link->link_enc->funcs->setup(
+diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+index 38d15f7..8048782 100644
+--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c
+@@ -240,7 +240,8 @@ static void oppn10_set_dyn_expansion(
+ /*01 - 8-bit -> 12-bit dynamic expansion*/
+ if (signal == SIGNAL_TYPE_HDMI_TYPE_A ||
+ signal == SIGNAL_TYPE_DISPLAY_PORT ||
+- signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
++ signal == SIGNAL_TYPE_DISPLAY_PORT_MST ||
++ signal == SIGNAL_TYPE_VIRTUAL) {
+ switch (color_dpth) {
+ case COLOR_DEPTH_888:
+ REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL,
+--
+2.7.4
+