Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 5756431..2f5b0c2 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -31,6 +31,7 @@
#include <drm/drm_file.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem.h>
#include <drm/drm_print.h>
#include <drm/drm_util.h>
@@ -175,8 +176,7 @@
int i;
/* check if the format is supported at all */
- info = __drm_format_info(r->pixel_format);
- if (!info) {
+ if (!__drm_format_info(r->pixel_format)) {
struct drm_format_name_buf format_name;
DRM_DEBUG_KMS("bad framebuffer format %s\n",
@@ -185,9 +185,6 @@
return -EINVAL;
}
- /* now let the driver pick its own format info */
- info = drm_get_format_info(dev, r);
-
if (r->width == 0) {
DRM_DEBUG_KMS("bad framebuffer width %u\n", r->width);
return -EINVAL;
@@ -198,6 +195,9 @@
return -EINVAL;
}
+ /* now let the driver pick its own format info */
+ info = drm_get_format_info(dev, r);
+
for (i = 0; i < info->num_planes; i++) {
unsigned int width = fb_plane_width(r->width, info, i);
unsigned int height = fb_plane_height(r->height, info, i);
@@ -548,7 +548,128 @@
out:
drm_framebuffer_put(fb);
+ return ret;
+}
+/**
+ * drm_mode_getfb2 - get extended FB info
+ * @dev: drm device for the ioctl
+ * @data: data pointer for the ioctl
+ * @file_priv: drm file for the ioctl call
+ *
+ * Lookup the FB given its ID and return info about it.
+ *
+ * Called by the user via ioctl.
+ *
+ * Returns:
+ * Zero on success, negative errno on failure.
+ */
+int drm_mode_getfb2_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv)
+{
+ struct drm_mode_fb_cmd2 *r = data;
+ struct drm_framebuffer *fb;
+ unsigned int i;
+ int ret;
+
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EINVAL;
+
+ fb = drm_framebuffer_lookup(dev, file_priv, r->fb_id);
+ if (!fb)
+ return -ENOENT;
+
+ /* For multi-plane framebuffers, we require the driver to place the
+ * GEM objects directly in the drm_framebuffer. For single-plane
+ * framebuffers, we can fall back to create_handle.
+ */
+ if (!fb->obj[0] &&
+ (fb->format->num_planes > 1 || !fb->funcs->create_handle)) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ r->height = fb->height;
+ r->width = fb->width;
+ r->pixel_format = fb->format->format;
+
+ r->flags = 0;
+ if (dev->mode_config.allow_fb_modifiers)
+ r->flags |= DRM_MODE_FB_MODIFIERS;
+
+ for (i = 0; i < ARRAY_SIZE(r->handles); i++) {
+ r->handles[i] = 0;
+ r->pitches[i] = 0;
+ r->offsets[i] = 0;
+ r->modifier[i] = 0;
+ }
+
+ for (i = 0; i < fb->format->num_planes; i++) {
+ r->pitches[i] = fb->pitches[i];
+ r->offsets[i] = fb->offsets[i];
+ if (dev->mode_config.allow_fb_modifiers)
+ r->modifier[i] = fb->modifier;
+ }
+
+ /* GET_FB2() is an unprivileged ioctl so we must not return a
+ * buffer-handle to non master/root processes! To match GET_FB()
+ * just return invalid handles (0) for non masters/root
+ * rather than making GET_FB2() privileged.
+ */
+ if (!drm_is_current_master(file_priv) && !capable(CAP_SYS_ADMIN)) {
+ ret = 0;
+ goto out;
+ }
+
+ for (i = 0; i < fb->format->num_planes; i++) {
+ int j;
+
+ /* If we reuse the same object for multiple planes, also
+ * return the same handle.
+ */
+ for (j = 0; j < i; j++) {
+ if (fb->obj[i] == fb->obj[j]) {
+ r->handles[i] = r->handles[j];
+ break;
+ }
+ }
+
+ if (r->handles[i])
+ continue;
+
+ if (fb->obj[i]) {
+ ret = drm_gem_handle_create(file_priv, fb->obj[i],
+ &r->handles[i]);
+ } else {
+ WARN_ON(i > 0);
+ ret = fb->funcs->create_handle(fb, file_priv,
+ &r->handles[i]);
+ }
+
+ if (ret != 0)
+ goto out;
+ }
+
+out:
+ if (ret != 0) {
+ /* Delete any previously-created handles on failure. */
+ for (i = 0; i < ARRAY_SIZE(r->handles); i++) {
+ int j;
+
+ if (r->handles[i])
+ drm_gem_handle_delete(file_priv, r->handles[i]);
+
+ /* Zero out any handles identical to the one we just
+ * deleted.
+ */
+ for (j = i + 1; j < ARRAY_SIZE(r->handles); j++) {
+ if (r->handles[j] == r->handles[i])
+ r->handles[j] = 0;
+ }
+ }
+ }
+
+ drm_framebuffer_put(fb);
return ret;
}
@@ -988,6 +1109,7 @@
if (drm_framebuffer_read_refcount(fb) > 1) {
if (drm_drv_uses_atomic_modeset(dev)) {
int ret = atomic_remove_fb(fb);
+
WARN(ret, "atomic remove_fb failed with %i\n", ret);
} else
legacy_remove_fb(fb);
@@ -1085,10 +1207,10 @@
{ "framebuffer", drm_framebuffer_info, 0 },
};
-int drm_framebuffer_debugfs_init(struct drm_minor *minor)
+void drm_framebuffer_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(drm_framebuffer_debugfs_list,
- ARRAY_SIZE(drm_framebuffer_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(drm_framebuffer_debugfs_list,
+ ARRAY_SIZE(drm_framebuffer_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif