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path: root/drivers/gpu/drm/arm/malidp_drv.c
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Diffstat (limited to 'drivers/gpu/drm/arm/malidp_drv.c')
-rw-r--r--drivers/gpu/drm/arm/malidp_drv.c116
1 files changed, 53 insertions, 63 deletions
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 78d15b04b105..b765f6c9eea4 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -12,20 +12,24 @@
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/of_reserved_mem.h>
+#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/debugfs.h>
+#include <drm/clients/drm_client_setup.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_dma.h>
#include <drm/drm_fourcc.h>
-#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper.h>
+#include <drm/drm_module.h>
#include <drm/drm_of.h>
+#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -168,7 +172,7 @@ static void malidp_atomic_commit_se_config(struct drm_crtc *crtc,
*/
static int malidp_set_and_wait_config_valid(struct drm_device *drm)
{
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
int ret;
@@ -189,7 +193,7 @@ static int malidp_set_and_wait_config_valid(struct drm_device *drm)
static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state)
{
struct drm_device *drm = state->dev;
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
int loop = 5;
malidp->event = malidp->crtc.state->event;
@@ -230,7 +234,7 @@ static void malidp_atomic_commit_hw_done(struct drm_atomic_state *state)
static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *drm = state->dev;
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
int i;
@@ -303,10 +307,10 @@ malidp_verify_afbc_framebuffer_caps(struct drm_device *dev,
static bool
malidp_verify_afbc_framebuffer_size(struct drm_device *dev,
struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
int n_superblocks = 0;
- const struct drm_format_info *info;
struct drm_gem_object *objs = NULL;
u32 afbc_superblock_size = 0, afbc_superblock_height = 0;
u32 afbc_superblock_width = 0, afbc_size = 0;
@@ -322,8 +326,6 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev,
return false;
}
- info = drm_get_format_info(dev, mode_cmd);
-
n_superblocks = (mode_cmd->width / afbc_superblock_width) *
(mode_cmd->height / afbc_superblock_height);
@@ -363,24 +365,26 @@ malidp_verify_afbc_framebuffer_size(struct drm_device *dev,
static bool
malidp_verify_afbc_framebuffer(struct drm_device *dev, struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
if (malidp_verify_afbc_framebuffer_caps(dev, mode_cmd))
- return malidp_verify_afbc_framebuffer_size(dev, file, mode_cmd);
+ return malidp_verify_afbc_framebuffer_size(dev, file, info, mode_cmd);
return false;
}
static struct drm_framebuffer *
malidp_fb_create(struct drm_device *dev, struct drm_file *file,
+ const struct drm_format_info *info,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
if (mode_cmd->modifier[0]) {
- if (!malidp_verify_afbc_framebuffer(dev, file, mode_cmd))
+ if (!malidp_verify_afbc_framebuffer(dev, file, info, mode_cmd))
return ERR_PTR(-EINVAL);
}
- return drm_gem_fb_create(dev, file, mode_cmd);
+ return drm_gem_fb_create(dev, file, info, mode_cmd);
}
static const struct drm_mode_config_funcs malidp_mode_config_funcs = {
@@ -392,10 +396,12 @@ static const struct drm_mode_config_funcs malidp_mode_config_funcs = {
static int malidp_init(struct drm_device *drm)
{
int ret;
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ goto out;
drm->mode_config.min_width = hwdev->min_line_size;
drm->mode_config.min_height = hwdev->min_line_size;
@@ -406,29 +412,21 @@ static int malidp_init(struct drm_device *drm)
ret = malidp_crtc_init(drm);
if (ret)
- goto crtc_fail;
+ goto out;
ret = malidp_mw_connector_init(drm);
if (ret)
- goto crtc_fail;
-
- return 0;
+ goto out;
-crtc_fail:
- drm_mode_config_cleanup(drm);
+out:
return ret;
}
-static void malidp_fini(struct drm_device *drm)
-{
- drm_mode_config_cleanup(drm);
-}
-
static int malidp_irq_init(struct platform_device *pdev)
{
int irq_de, irq_se, ret = 0;
struct drm_device *drm = dev_get_drvdata(&pdev->dev);
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
/* fetch the interrupts from DT */
@@ -456,19 +454,19 @@ static int malidp_irq_init(struct platform_device *pdev)
return 0;
}
-DEFINE_DRM_GEM_CMA_FOPS(fops);
+DEFINE_DRM_GEM_DMA_FOPS(fops);
static int malidp_dumb_create(struct drm_file *file_priv,
struct drm_device *drm,
struct drm_mode_create_dumb *args)
{
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
/* allocate for the worst case scenario, i.e. rotated buffers */
u8 alignment = malidp_hw_get_pitch_align(malidp->dev, 1);
args->pitch = ALIGN(DIV_ROUND_UP(args->width * args->bpp, 8), alignment);
- return drm_gem_cma_dumb_create_internal(file_priv, drm, args);
+ return drm_gem_dma_dumb_create_internal(file_priv, drm, args);
}
#ifdef CONFIG_DEBUG_FS
@@ -508,7 +506,7 @@ static void malidp_error_stats_dump(const char *prefix,
static int malidp_show_stats(struct seq_file *m, void *arg)
{
struct drm_device *drm = m->private;
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
unsigned long irqflags;
struct malidp_error_stats de_errors, se_errors;
@@ -531,7 +529,7 @@ static ssize_t malidp_debugfs_write(struct file *file, const char __user *ubuf,
{
struct seq_file *m = file->private_data;
struct drm_device *drm = m->private;
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
unsigned long irqflags;
spin_lock_irqsave(&malidp->errors_lock, irqflags);
@@ -552,7 +550,7 @@ static const struct file_operations malidp_debugfs_fops = {
static void malidp_debugfs_init(struct drm_minor *minor)
{
- struct malidp_drm *malidp = minor->dev->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(minor->dev);
malidp_error_stats_init(&malidp->de_errors);
malidp_error_stats_init(&malidp->se_errors);
@@ -565,14 +563,14 @@ static void malidp_debugfs_init(struct drm_minor *minor)
static const struct drm_driver malidp_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
- DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(malidp_dumb_create),
+ DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(malidp_dumb_create),
+ DRM_FBDEV_DMA_DRIVER_OPS,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = malidp_debugfs_init,
#endif
.fops = &fops,
.name = "mali-dp",
.desc = "ARM Mali Display Processor driver",
- .date = "20160106",
.major = 1,
.minor = 0,
};
@@ -652,9 +650,9 @@ static ssize_t core_id_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
- return snprintf(buf, PAGE_SIZE, "%08x\n", malidp->core_id);
+ return sysfs_emit(buf, "%08x\n", malidp->core_id);
}
static DEVICE_ATTR_RO(core_id);
@@ -670,7 +668,7 @@ ATTRIBUTE_GROUPS(mali_dp);
static int malidp_runtime_pm_suspend(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
/* we can only suspend if the hardware is in config mode */
@@ -689,7 +687,7 @@ static int malidp_runtime_pm_suspend(struct device *dev)
static int malidp_runtime_pm_resume(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
clk_prepare_enable(hwdev->pclk);
@@ -716,19 +714,20 @@ static int malidp_bind(struct device *dev)
int ret = 0, i;
u32 version, out_depth = 0;
- malidp = devm_kzalloc(dev, sizeof(*malidp), GFP_KERNEL);
- if (!malidp)
- return -ENOMEM;
+ malidp = devm_drm_dev_alloc(dev, &malidp_driver, typeof(*malidp), base);
+ if (IS_ERR(malidp))
+ return PTR_ERR(malidp);
- hwdev = devm_kzalloc(dev, sizeof(*hwdev), GFP_KERNEL);
+ drm = &malidp->base;
+
+ hwdev = drmm_kzalloc(drm, sizeof(*hwdev), GFP_KERNEL);
if (!hwdev)
return -ENOMEM;
hwdev->hw = (struct malidp_hw *)of_device_get_match_data(dev);
malidp->dev = hwdev;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hwdev->regs = devm_ioremap_resource(dev, res);
+ hwdev->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(hwdev->regs))
return PTR_ERR(hwdev->regs);
@@ -753,13 +752,6 @@ static int malidp_bind(struct device *dev)
if (ret && ret != -ENODEV)
return ret;
- drm = drm_dev_alloc(&malidp_driver, dev);
- if (IS_ERR(drm)) {
- ret = PTR_ERR(drm);
- goto alloc_fail;
- }
-
- drm->dev_private = malidp;
dev_set_drvdata(dev, drm);
/* Enable power management */
@@ -862,7 +854,7 @@ static int malidp_bind(struct device *dev)
if (ret)
goto register_fail;
- drm_fbdev_generic_setup(drm, 32);
+ drm_client_setup(drm, NULL);
return 0;
@@ -878,17 +870,13 @@ irq_init_fail:
bind_fail:
of_node_put(malidp->crtc.port);
malidp->crtc.port = NULL;
- malidp_fini(drm);
query_hw_fail:
pm_runtime_put(dev);
if (pm_runtime_enabled(dev))
pm_runtime_disable(dev);
else
malidp_runtime_pm_suspend(dev);
- drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
- drm_dev_put(drm);
-alloc_fail:
of_reserved_mem_device_release(dev);
return ret;
@@ -897,7 +885,7 @@ alloc_fail:
static void malidp_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
- struct malidp_drm *malidp = drm->dev_private;
+ struct malidp_drm *malidp = drm_to_malidp(drm);
struct malidp_hw_device *hwdev = malidp->dev;
drm_dev_unregister(drm);
@@ -909,15 +897,12 @@ static void malidp_unbind(struct device *dev)
component_unbind_all(dev, drm);
of_node_put(malidp->crtc.port);
malidp->crtc.port = NULL;
- malidp_fini(drm);
pm_runtime_put(dev);
if (pm_runtime_enabled(dev))
pm_runtime_disable(dev);
else
malidp_runtime_pm_suspend(dev);
- drm->dev_private = NULL;
dev_set_drvdata(dev, NULL);
- drm_dev_put(drm);
of_reserved_mem_device_release(dev);
}
@@ -953,10 +938,14 @@ static int malidp_platform_probe(struct platform_device *pdev)
match);
}
-static int malidp_platform_remove(struct platform_device *pdev)
+static void malidp_platform_remove(struct platform_device *pdev)
{
component_master_del(&pdev->dev, &malidp_master_ops);
- return 0;
+}
+
+static void malidp_platform_shutdown(struct platform_device *pdev)
+{
+ drm_atomic_helper_shutdown(platform_get_drvdata(pdev));
}
static int __maybe_unused malidp_pm_suspend(struct device *dev)
@@ -1000,6 +989,7 @@ static const struct dev_pm_ops malidp_pm_ops = {
static struct platform_driver malidp_platform_driver = {
.probe = malidp_platform_probe,
.remove = malidp_platform_remove,
+ .shutdown = malidp_platform_shutdown,
.driver = {
.name = "mali-dp",
.pm = &malidp_pm_ops,
@@ -1008,7 +998,7 @@ static struct platform_driver malidp_platform_driver = {
},
};
-module_platform_driver(malidp_platform_driver);
+drm_module_platform_driver(malidp_platform_driver);
MODULE_AUTHOR("Liviu Dudau <Liviu.Dudau@arm.com>");
MODULE_DESCRIPTION("ARM Mali DP DRM driver");
generated by cgit (git 2.34.1) at 2025-12-25 19:23:45 +0000