aboutsummaryrefslogtreecommitdiffstats
path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch60
1 files changed, 60 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch
new file mode 100644
index 00000000..586fbab3
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2559-drm-amd-display-add-null-check-for-cursor-functions.patch
@@ -0,0 +1,60 @@
+From c101bb93b74f080d3e9bd9ad789964d581b97fd9 Mon Sep 17 00:00:00 2001
+From: Yue Hin Lau <Yuehin.Lau@amd.com>
+Date: Thu, 5 Oct 2017 17:57:35 -0400
+Subject: [PATCH 2559/4131] drm/amd/display: add null check for cursor
+ functions
+
+Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com>
+Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc_stream.c | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+index 4116787..10421ea 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+@@ -210,11 +210,13 @@ bool dc_stream_set_cursor_attributes(
+ pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
+ pipe_ctx->plane_res.ipp, attributes);
+
+- if (pipe_ctx->plane_res.hubp != NULL)
++ if (pipe_ctx->plane_res.hubp != NULL &&
++ pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
+ pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
+ pipe_ctx->plane_res.hubp, attributes);
+
+- if (pipe_ctx->plane_res.mi != NULL)
++ if (pipe_ctx->plane_res.mi != NULL &&
++ pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
+ pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
+ pipe_ctx->plane_res.mi, attributes);
+
+@@ -253,6 +255,7 @@ bool dc_stream_set_cursor_position(
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+ struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
++ struct mem_input *mi = pipe_ctx->plane_res.mi;
+ struct hubp *hubp = pipe_ctx->plane_res.hubp;
+ struct transform *xfm = pipe_ctx->plane_res.xfm;
+ struct dc_cursor_position pos_cpy = *position;
+@@ -281,10 +284,13 @@ bool dc_stream_set_cursor_position(
+ if (ipp->funcs->ipp_cursor_set_position != NULL)
+ ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);
+
+- if (hubp != NULL)
++ if (mi != NULL && mi->funcs->set_cursor_position != NULL)
++ mi->funcs->set_cursor_position(mi, &pos_cpy, &param);
++
++ if (hubp != NULL && hubp->funcs->set_cursor_position != NULL)
+ hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);
+
+- if (xfm != NULL)
++ if (xfm != NULL && xfm->funcs->set_cursor_position != NULL)
+ xfm->funcs->set_cursor_position(xfm, &pos_cpy, &param, hubp->curs_attr.width);
+
+ }
+--
+2.7.4
+