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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0703-drm-amd-display-fix-bw_calc-for-hdmi-and-420-outputs.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0703-drm-amd-display-fix-bw_calc-for-hdmi-and-420-outputs.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0703-drm-amd-display-fix-bw_calc-for-hdmi-and-420-outputs.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0703-drm-amd-display-fix-bw_calc-for-hdmi-and-420-outputs.patch
new file mode 100644
index 00000000..a2201682
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0703-drm-amd-display-fix-bw_calc-for-hdmi-and-420-outputs.patch
@@ -0,0 +1,34 @@
+From f48058ada04fd4bbea3a7dfa5346e46d8ac3c672 Mon Sep 17 00:00:00 2001
+From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Date: Fri, 28 Jul 2017 18:21:22 -0400
+Subject: [PATCH 0703/4131] drm/amd/display: fix bw_calc for hdmi and 420
+ outputs
+
+Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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 | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 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 be6e3ca..c809ad3 100644
+--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
++++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+@@ -923,8 +923,10 @@ bool dcn_validate_bandwidth(
+ if (v->is_line_buffer_bpp_fixed == dcn_bw_yes)
+ v->lb_bit_per_pixel[input_idx] = v->line_buffer_fixed_bpp;
+ v->dcc_rate[input_idx] = 1; /*TODO: Worst case? does this change?*/
+- v->output_format[input_idx] = dcn_bw_444;
+- v->output[input_idx] = dcn_bw_dp;
++ v->output_format[input_idx] = pipe->stream->timing.pixel_encoding ==
++ PIXEL_ENCODING_YCBCR420 ? dcn_bw_420 : dcn_bw_444;
++ v->output[input_idx] = pipe->stream->sink->sink_signal ==
++ SIGNAL_TYPE_HDMI_TYPE_A ? dcn_bw_hdmi : dcn_bw_dp;
+
+ input_idx++;
+ }
+--
+2.7.4
+