aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch
new file mode 100644
index 00000000..e46d4b84
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/1042-drm-amd-display-Fix-boolean-expression-in-get_surf_r.patch
@@ -0,0 +1,35 @@
+From 4b0aa3cfc47e2bef8edd9fa9a5475b236d7db190 Mon Sep 17 00:00:00 2001
+From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
+Date: Thu, 3 Jan 2019 13:48:45 -0600
+Subject: [PATCH 1042/2940] drm/amd/display: Fix boolean expression in
+ get_surf_rq_param
+
+Fix boolean expression by using logical AND operator '&&'
+instead of bitwise operator '&'.
+
+This issue was detected with the help of Coccinelle.
+
+Fixes: 6d04ee9dc101 ("drm/amd/display: Restructuring and cleaning up DML")
+Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
+Reviewed-by: Harry Wentland <harry.wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
+index a8b233ee5f97..ad8571f5a142 100644
+--- a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
++++ b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c
+@@ -881,7 +881,7 @@ static void get_surf_rq_param(
+ /* the dpte_group_bytes is reduced for the specific case of vertical
+ * access of a tile surface that has dpte request of 8x1 ptes.
+ */
+- if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) /*reduced, in this case, will have page fault within a group */
++ if (!surf_linear && (log2_dpte_req_height_ptes == 0) && surf_vert) /*reduced, in this case, will have page fault within a group */
+ rq_sizing_param->dpte_group_bytes = 512;
+ else
+ /*full size */
+--
+2.17.1
+