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path: root/drivers/gpu/drm/msm/msm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.c')
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c139
1 files changed, 62 insertions, 77 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 0bdd93648761..c84f0a8b3f2c 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1,24 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <linux/dma-mapping.h>
#include <linux/kthread.h>
+#include <linux/uaccess.h>
#include <uapi/linux/sched/types.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_irq.h>
+#include <drm/drm_prime.h>
#include <drm/drm_of.h>
+#include <drm/drm_vblank.h>
#include "msm_drv.h"
#include "msm_debugfs.h"
@@ -28,7 +26,6 @@
#include "msm_kms.h"
#include "adreno/adreno_gpu.h"
-
/*
* MSM driver version:
* - 1.0.0 - initial interface
@@ -39,9 +36,10 @@
* MSM_GEM_INFO ioctl.
* - 1.4.0 - softpin, MSM_RELOC_BO_DUMP, and GEM_INFO support to set/get
* GEM object's debug name
+ * - 1.5.0 - Add SUBMITQUERY_QUERY ioctl
*/
#define MSM_VERSION_MAJOR 1
-#define MSM_VERSION_MINOR 4
+#define MSM_VERSION_MINOR 5
#define MSM_VERSION_PATCHLEVEL 0
static const struct drm_mode_config_funcs mode_config_funcs = {
@@ -85,46 +83,6 @@ module_param(modeset, bool, 0600);
* Util/helpers:
*/
-int msm_clk_bulk_get(struct device *dev, struct clk_bulk_data **bulk)
-{
- struct property *prop;
- const char *name;
- struct clk_bulk_data *local;
- int i = 0, ret, count;
-
- count = of_property_count_strings(dev->of_node, "clock-names");
- if (count < 1)
- return 0;
-
- local = devm_kcalloc(dev, sizeof(struct clk_bulk_data *),
- count, GFP_KERNEL);
- if (!local)
- return -ENOMEM;
-
- of_property_for_each_string(dev->of_node, "clock-names", prop, name) {
- local[i].id = devm_kstrdup(dev, name, GFP_KERNEL);
- if (!local[i].id) {
- devm_kfree(dev, local);
- return -ENOMEM;
- }
-
- i++;
- }
-
- ret = devm_clk_bulk_get(dev, count, local);
-
- if (ret) {
- for (i = 0; i < count; i++)
- devm_kfree(dev, (void *) local[i].id);
- devm_kfree(dev, local);
-
- return ret;
- }
-
- *bulk = local;
- return count;
-}
-
struct clk *msm_clk_bulk_get_clock(struct clk_bulk_data *bulk, int count,
const char *name)
{
@@ -258,13 +216,24 @@ static int msm_drm_uninit(struct device *dev)
struct msm_mdss *mdss = priv->mdss;
int i;
+ /*
+ * Shutdown the hw if we're far enough along where things might be on.
+ * If we run this too early, we'll end up panicking in any variety of
+ * places. Since we don't register the drm device until late in
+ * msm_drm_init, drm_dev->registered is used as an indicator that the
+ * shutdown will be successful.
+ */
+ if (ddev->registered) {
+ drm_dev_unregister(ddev);
+ drm_atomic_helper_shutdown(ddev);
+ }
+
/* We must cancel and cleanup any pending vblank enable/disable
* work before drm_irq_uninstall() to avoid work re-enabling an
* irq after uninstall has disabled it.
*/
flush_workqueue(priv->wq);
- destroy_workqueue(priv->wq);
/* clean up event worker threads */
for (i = 0; i < priv->num_crtcs; i++) {
@@ -278,8 +247,6 @@ static int msm_drm_uninit(struct device *dev)
drm_kms_helper_poll_fini(ddev);
- drm_dev_unregister(ddev);
-
msm_perf_debugfs_cleanup(priv);
msm_rd_debugfs_cleanup(priv);
@@ -287,7 +254,7 @@ static int msm_drm_uninit(struct device *dev)
if (fbdev && priv->fbdev)
msm_fbdev_free(ddev);
#endif
- drm_atomic_helper_shutdown(ddev);
+
drm_mode_config_cleanup(ddev);
pm_runtime_get_sync(dev);
@@ -312,6 +279,7 @@ static int msm_drm_uninit(struct device *dev)
ddev->dev_private = NULL;
drm_dev_put(ddev);
+ destroy_workqueue(priv->wq);
kfree(priv);
return 0;
@@ -457,6 +425,9 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
priv->wq = alloc_ordered_workqueue("msm", 0);
+ INIT_WORK(&priv->free_work, msm_gem_free_work);
+ init_llist_head(&priv->free_list);
+
INIT_LIST_HEAD(&priv->inactive_list);
drm_mode_config_init(ddev);
@@ -502,6 +473,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
ddev->mode_config.normalize_zpos = true;
if (kms) {
+ kms->dev = ddev;
ret = kms->funcs->hw_init(kms);
if (ret) {
DRM_DEV_ERROR(dev, "kms hw init failed: %d\n", ret);
@@ -607,6 +579,7 @@ static void load_gpu(struct drm_device *dev)
static int context_init(struct drm_device *dev, struct drm_file *file)
{
+ struct msm_drm_private *priv = dev->dev_private;
struct msm_file_private *ctx;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -615,6 +588,7 @@ static int context_init(struct drm_device *dev, struct drm_file *file)
msm_submitqueue_init(dev, ctx);
+ ctx->aspace = priv->gpu ? priv->gpu->aspace : NULL;
file->driver_priv = ctx;
return 0;
@@ -964,6 +938,11 @@ static int msm_ioctl_submitqueue_new(struct drm_device *dev, void *data,
args->flags, &args->id);
}
+static int msm_ioctl_submitqueue_query(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ return msm_submitqueue_query(dev, file->driver_priv, data);
+}
static int msm_ioctl_submitqueue_close(struct drm_device *dev, void *data,
struct drm_file *file)
@@ -974,16 +953,17 @@ static int msm_ioctl_submitqueue_close(struct drm_device *dev, void *data,
}
static const struct drm_ioctl_desc msm_ioctls[] = {
- DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_INFO, msm_ioctl_gem_info, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_PREP, msm_ioctl_gem_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_FINI, msm_ioctl_gem_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_SUBMIT, msm_ioctl_gem_submit, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_WAIT_FENCE, msm_ioctl_wait_fence, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_GEM_MADVISE, msm_ioctl_gem_madvise, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_NEW, msm_ioctl_submitqueue_new, DRM_AUTH|DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_CLOSE, msm_ioctl_submitqueue_close, DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_INFO, msm_ioctl_gem_info, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_PREP, msm_ioctl_gem_cpu_prep, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_CPU_FINI, msm_ioctl_gem_cpu_fini, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_SUBMIT, msm_ioctl_gem_submit, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_WAIT_FENCE, msm_ioctl_wait_fence, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_GEM_MADVISE, msm_ioctl_gem_madvise, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_NEW, msm_ioctl_submitqueue_new, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_CLOSE, msm_ioctl_submitqueue_close, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_QUERY, msm_ioctl_submitqueue_query, DRM_RENDER_ALLOW),
};
static const struct vm_operations_struct vm_ops = {
@@ -1006,7 +986,6 @@ static const struct file_operations fops = {
static struct drm_driver msm_driver = {
.driver_features = DRIVER_GEM |
- DRIVER_PRIME |
DRIVER_RENDER |
DRIVER_ATOMIC |
DRIVER_MODESET,
@@ -1019,15 +998,12 @@ static struct drm_driver msm_driver = {
.irq_uninstall = msm_irq_uninstall,
.enable_vblank = msm_enable_vblank,
.disable_vblank = msm_disable_vblank,
- .gem_free_object = msm_gem_free_object,
+ .gem_free_object_unlocked = msm_gem_free_object,
.gem_vm_ops = &vm_ops,
.dumb_create = msm_gem_dumb_create,
.dumb_map_offset = msm_gem_dumb_map_offset,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_export = drm_gem_prime_export,
- .gem_prime_import = drm_gem_prime_import,
- .gem_prime_res_obj = msm_gem_prime_res_obj,
.gem_prime_pin = msm_gem_prime_pin,
.gem_prime_unpin = msm_gem_prime_unpin,
.gem_prime_get_sg_table = msm_gem_prime_get_sg_table,
@@ -1269,7 +1245,8 @@ static int add_gpu_components(struct device *dev,
if (!np)
return 0;
- drm_of_component_match_add(dev, matchptr, compare_of, np);
+ if (of_device_is_available(np))
+ drm_of_component_match_add(dev, matchptr, compare_of, np);
of_node_put(np);
@@ -1308,16 +1285,24 @@ static int msm_pdev_probe(struct platform_device *pdev)
ret = add_gpu_components(&pdev->dev, &match);
if (ret)
- return ret;
+ goto fail;
/* on all devices that I am aware of, iommu's which can map
* any address the cpu can see are used:
*/
ret = dma_set_mask_and_coherent(&pdev->dev, ~0);
if (ret)
- return ret;
+ goto fail;
+
+ ret = component_master_add_with_match(&pdev->dev, &msm_drm_ops, match);
+ if (ret)
+ goto fail;
+
+ return 0;
- return component_master_add_with_match(&pdev->dev, &msm_drm_ops, match);
+fail:
+ of_platform_depopulate(&pdev->dev);
+ return ret;
}
static int msm_pdev_remove(struct platform_device *pdev)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.