aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch57
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch
new file mode 100644
index 00000000..2755f4e7
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0704-drm-amd-display-fix-340-Mhz-with-deep-color-pipe-spl.patch
@@ -0,0 +1,57 @@
+From 65cb5c46a14f275d500fce938c412c76c9b60dac Mon Sep 17 00:00:00 2001
+From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
+Date: Fri, 28 Jul 2017 18:21:22 -0400
+Subject: [PATCH 0704/4131] drm/amd/display: fix >340 Mhz with deep color pipe
+ split no display
+
+ the input to HW formula needs to take care the deep color.
+
+Signed-off-by: Charlene Liu <charlene.liu@amd.com>
+Reviewed-by: Charlene Liu <Charlene.Liu@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/calcs/dcn_calcs.c | 13 ++++++++++++-
+ drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 --
+ 2 files changed, 12 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+index c809ad3..7f7cb8f 100644
+--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
++++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+@@ -856,7 +856,18 @@ bool dcn_validate_bandwidth(
+ - pipe->stream->timing.v_front_porch;
+ v->vactive[input_idx] = pipe->stream->timing.v_addressable;
+ v->pixel_clock[input_idx] = pipe->stream->timing.pix_clk_khz / 1000.0f;
+-
++ if (pipe->stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A) {
++ switch (pipe->stream->timing.display_color_depth) {
++ case COLOR_DEPTH_101010:
++ v->pixel_clock[input_idx] = (v->pixel_clock[input_idx] * 30) / 24;
++ break;
++ case COLOR_DEPTH_121212:
++ v->pixel_clock[input_idx] = (v->pixel_clock[input_idx] * 36) / 24;
++ break;
++ default:
++ break;
++ }
++ }
+
+ if (!pipe->surface){
+ v->dcc_enable[input_idx] = dcn_bw_yes;
+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 a34b256..84efe72 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+@@ -1657,8 +1657,6 @@ static void set_avi_info_frame(
+ color_space == COLOR_SPACE_YCBCR601_LIMITED)
+ hdmi_info->bits.C0_C1 = COLORIMETRY_ITU601;
+ else {
+- if (stream->timing.pixel_encoding != PIXEL_ENCODING_RGB)
+- BREAK_TO_DEBUGGER();
+ hdmi_info->bits.C0_C1 = COLORIMETRY_NO_DATA;
+ }
+ if (color_space == COLOR_SPACE_2020_RGB_FULLRANGE ||
+--
+2.7.4
+