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-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4188-drm-amd-display-handle-18-case-in-TruncToValidBPP.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4188-drm-amd-display-handle-18-case-in-TruncToValidBPP.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4188-drm-amd-display-handle-18-case-in-TruncToValidBPP.patch
new file mode 100644
index 00000000..ec668b3f
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4188-drm-amd-display-handle-18-case-in-TruncToValidBPP.patch
@@ -0,0 +1,31 @@
+From b3dffd458cd73f615a072c4226fde585cc2b7e4f Mon Sep 17 00:00:00 2001
+From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+Date: Thu, 3 Oct 2019 14:48:10 -0400
+Subject: [PATCH 4188/4736] drm/amd/display: handle "18" case in
+ TruncToValidBPP
+
+Handle 18 DecimalBPP like other cases
+
+Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+Reviewed-by: Roman Li <Roman.Li@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
+index fd707e7459b5..ba77957aefe3 100644
+--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
++++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
+@@ -3380,6 +3380,8 @@ static unsigned int TruncToValidBPP(
+ return 30;
+ else if (DecimalBPP >= 24 && (DesiredBPP == 0 || DesiredBPP == 24))
+ return 24;
++ else if (DecimalBPP >= 18 && (DesiredBPP == 0 || DesiredBPP == 18))
++ return 18;
+ else
+ return BPP_INVALID;
+ }
+--
+2.17.1
+