Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 9cbe8f5..4936e10 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -34,7 +34,7 @@
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/dma-fence.h>
-#include <drm/drmP.h>
+#include <linux/uaccess.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_fourcc.h>
@@ -42,6 +42,9 @@
#include <drm/drm_atomic.h>
#include <drm/drm_auth.h>
#include <drm/drm_debugfs_crc.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_print.h>
+#include <drm/drm_file.h>
#include "drm_crtc_internal.h"
#include "drm_internal.h"
@@ -90,15 +93,6 @@
}
EXPORT_SYMBOL(drm_crtc_from_index);
-/**
- * drm_crtc_force_disable - Forcibly turn off a CRTC
- * @crtc: CRTC to turn off
- *
- * Note: This should only be used by non-atomic legacy drivers.
- *
- * Returns:
- * Zero on success, error code on failure.
- */
int drm_crtc_force_disable(struct drm_crtc *crtc)
{
struct drm_mode_set set = {
@@ -109,38 +103,6 @@
return drm_mode_set_config_internal(&set);
}
-EXPORT_SYMBOL(drm_crtc_force_disable);
-
-/**
- * drm_crtc_force_disable_all - Forcibly turn off all enabled CRTCs
- * @dev: DRM device whose CRTCs to turn off
- *
- * Drivers may want to call this on unload to ensure that all displays are
- * unlit and the GPU is in a consistent, low power state. Takes modeset locks.
- *
- * Note: This should only be used by non-atomic legacy drivers. For an atomic
- * version look at drm_atomic_helper_shutdown().
- *
- * Returns:
- * Zero on success, error code on failure.
- */
-int drm_crtc_force_disable_all(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
- int ret = 0;
-
- drm_modeset_lock_all(dev);
- drm_for_each_crtc(crtc, dev)
- if (crtc->enabled) {
- ret = drm_crtc_force_disable(crtc);
- if (ret)
- goto out;
- }
-out:
- drm_modeset_unlock_all(dev);
- return ret;
-}
-EXPORT_SYMBOL(drm_crtc_force_disable_all);
static unsigned int drm_num_crtcs(struct drm_device *dev)
{
@@ -160,9 +122,7 @@
int ret = 0;
drm_for_each_crtc(crtc, dev) {
- if (drm_debugfs_crtc_add(crtc))
- DRM_ERROR("Failed to initialize debugfs entry for CRTC '%s'.\n",
- crtc->name);
+ drm_debugfs_crtc_add(crtc);
if (crtc->funcs->late_register)
ret = crtc->funcs->late_register(crtc);
@@ -337,6 +297,8 @@
drm_object_attach_property(&crtc->base, config->prop_mode_id, 0);
drm_object_attach_property(&crtc->base,
config->prop_out_fence_ptr, 0);
+ drm_object_attach_property(&crtc->base,
+ config->prop_vrr_enabled, 0);
}
return 0;
@@ -402,7 +364,7 @@
struct drm_plane *plane;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
- return -EINVAL;
+ return -EOPNOTSUPP;
crtc = drm_crtc_find(dev, file_priv, crtc_resp->crtc_id);
if (!crtc)
@@ -567,9 +529,9 @@
struct drm_mode_crtc *crtc_req = data;
struct drm_crtc *crtc;
struct drm_plane *plane;
- struct drm_connector **connector_set, *connector;
- struct drm_framebuffer *fb;
- struct drm_display_mode *mode;
+ struct drm_connector **connector_set = NULL, *connector;
+ struct drm_framebuffer *fb = NULL;
+ struct drm_display_mode *mode = NULL;
struct drm_mode_set set;
uint32_t __user *set_connectors_ptr;
struct drm_modeset_acquire_ctx ctx;
@@ -577,7 +539,7 @@
int i;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
- return -EINVAL;
+ return -EOPNOTSUPP;
/*
* Universal plane src offsets are only 16.16, prevent havoc for
@@ -595,16 +557,13 @@
plane = crtc->primary;
- mutex_lock(&crtc->dev->mode_config.mutex);
- drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
-retry:
- connector_set = NULL;
- fb = NULL;
- mode = NULL;
+ /* allow disabling with the primary plane leased */
+ if (crtc_req->mode_valid && !drm_lease_held(file_priv, plane->base.id))
+ return -EACCES;
- ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx);
- if (ret)
- goto out;
+ mutex_lock(&crtc->dev->mode_config.mutex);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx,
+ DRM_MODESET_ACQUIRE_INTERRUPTIBLE, ret);
if (crtc_req->mode_valid) {
/* If we have a mode we need a framebuffer. */
@@ -763,13 +722,13 @@
}
kfree(connector_set);
drm_mode_destroy(dev, mode);
- if (ret == -EDEADLK) {
- ret = drm_modeset_backoff(&ctx);
- if (!ret)
- goto retry;
- }
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
+
+ /* In case we need to retry... */
+ connector_set = NULL;
+ fb = NULL;
+ mode = NULL;
+
+ DRM_MODESET_LOCK_ALL_END(ctx, ret);
mutex_unlock(&crtc->dev->mode_config.mutex);
return ret;