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path: root/drivers/gpu/drm/vkms/vkms_composer.c
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Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_composer.c')
-rw-r--r--drivers/gpu/drm/vkms/vkms_composer.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c
index 6c5ef11b3943..491850ffeac9 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -57,13 +57,24 @@ static int get_y_pos(struct vkms_frame_info *frame_info, int y)
{
if (frame_info->rotation & DRM_MODE_REFLECT_Y)
return drm_rect_height(&frame_info->rotated) - y - 1;
- return y;
+
+ switch (frame_info->rotation & DRM_MODE_ROTATE_MASK) {
+ case DRM_MODE_ROTATE_90:
+ return frame_info->rotated.x2 - y - 1;
+ default:
+ return y;
+ }
}
-static bool check_y_limit(struct vkms_frame_info *frame_info, int y)
+static bool check_limit(struct vkms_frame_info *frame_info, int pos)
{
- if (y >= frame_info->rotated.y1 && y < frame_info->rotated.y2)
- return true;
+ if (frame_info->rotation & DRM_MODE_ROTATE_90) {
+ if (pos >= 0 && pos < drm_rect_width(&frame_info->rotated))
+ return true;
+ } else {
+ if (pos >= frame_info->rotated.y1 && pos < frame_info->rotated.y2)
+ return true;
+ }
return false;
}
@@ -106,7 +117,7 @@ static void blend(struct vkms_writeback_job *wb,
for (size_t i = 0; i < n_active_planes; i++) {
y_pos = get_y_pos(plane[i]->frame_info, y);
- if (!check_y_limit(plane[i]->frame_info, y_pos))
+ if (!check_limit(plane[i]->frame_info, y_pos))
continue;
vkms_compose_row(stage_buffer, plane[i], y_pos);