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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0284-drm-amd-display-fix-bw-calc-internal-initialization-.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0284-drm-amd-display-fix-bw-calc-internal-initialization-.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0284-drm-amd-display-fix-bw-calc-internal-initialization-.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0284-drm-amd-display-fix-bw-calc-internal-initialization-.patch
new file mode 100644
index 00000000..9b1f1a53
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0284-drm-amd-display-fix-bw-calc-internal-initialization-.patch
@@ -0,0 +1,36 @@
+From 7c7b0d2f5c15f4d5245bd6806bdef2a5801ff0be Mon Sep 17 00:00:00 2001
+From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Date: Tue, 14 Mar 2017 11:16:11 -0400
+Subject: [PATCH 0284/4131] drm/amd/display: fix bw calc internal
+ initialization error
+
+Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+index e477943..4820660 100644
+--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
++++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+@@ -1341,12 +1341,12 @@ static void calculate_bandwidth(
+ /*initialize variables*/
+ number_of_displays_enabled = 0;
+ number_of_displays_enabled_with_margin = 0;
+- for (k = 0; k < maximum_number_of_surfaces; k++) {
++ for (k = 0; k <= maximum_number_of_surfaces - 1; k++) {
+ if (data->enable[k]) {
+ number_of_displays_enabled = number_of_displays_enabled + 1;
+ }
++ data->display_pstate_change_enable[k] = 0;
+ }
+- data->display_pstate_change_enable[maximum_number_of_surfaces - 1] = 0;
+ for (i = 0; i <= 2; i++) {
+ for (j = 0; j <= 7; j++) {
+ data->min_dram_speed_change_margin[i][j] = bw_int_to_fixed(9999);
+--
+2.7.4
+