drm/hibmc: Remove references to struct drm_device.pdev

Using struct drm_device.pdev is deprecated. Convert hibmc to struct
drm_device.dev. No functional changes.

v3:
	* rebased

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Tian Tao <tiantao6@hisilicon.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Tian Tao  <tiantao6@hisilicon.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Chen Feng <puck.chen@hisilicon.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210107080748.4768-4-tzimmermann@suse.de

3 files changed, 68 insertions, 8 deletions

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 0d4e9023f54d..0a2edc7b754a 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -210,8 +210,8 @@ static void hibmc_hw_config(struct hibmc_drm_private *priv)
 
 static int hibmc_hw_map(struct hibmc_drm_private *priv)
 {
-	struct drm_device *dev = &priv->dev;
 	struct pci_dev *pdev = dev->pdev;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	resource_size_t addr, size, ioaddr, iosize;
 
 	ioaddr = pci_resource_start(pdev, 1);
@@ -255,13 +255,14 @@ static int hibmc_unload(struct drm_device *dev)
 	if (dev->irq_enabled)
 		drm_irq_uninstall(dev);
 
-	pci_disable_msi(dev->pdev);
+	pci_disable_msi(to_pci_dev(dev->dev));
 
 	return 0;
 }
 
 static int hibmc_load(struct drm_device *dev)
 {
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
 	struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
 	int ret;
 
@@ -269,8 +270,7 @@ static int hibmc_load(struct drm_device *dev)
 	if (ret)
 		goto err;
 
-	ret = drmm_vram_helper_init(dev, pci_resource_start(dev->pdev, 0),
-				    priv->fb_size);
+	ret = drmm_vram_helper_init(dev, pci_resource_start(pdev, 0), priv->fb_size);
 	if (ret) {
 		drm_err(dev, "Error initializing VRAM MM; %d\n", ret);
 		goto err;
@@ -286,11 +286,11 @@ static int hibmc_load(struct drm_device *dev)
 		goto err;
 	}
 
-	ret = pci_enable_msi(dev->pdev);
+	ret = pci_enable_msi(pdev);
 	if (ret) {
 		drm_warn(dev, "enabling MSI failed: %d\n", ret);
 	} else {
-		ret = drm_irq_install(dev, dev->pdev->irq);
+		ret = drm_irq_install(dev, pdev->irq);
 		if (ret)
 			drm_warn(dev, "install irq failed: %d\n", ret);
 	}
@@ -326,7 +326,6 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
 	}
 
 	dev = &priv->dev;
-	dev->pdev = pdev;
 	pci_set_drvdata(pdev, dev);
 
 	ret = pcim_enable_device(pdev);
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c
index 86d712090d87..410bd019bb35 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c
@@ -83,7 +83,7 @@ int hibmc_ddc_create(struct drm_device *drm_dev,
 	connector->adapter.owner = THIS_MODULE;
 	connector->adapter.class = I2C_CLASS_DDC;
 	snprintf(connector->adapter.name, I2C_NAME_SIZE, "HIS i2c bit bus");
-	connector->adapter.dev.parent = &drm_dev->pdev->dev;
+	connector->adapter.dev.parent = drm_dev->dev;
 	i2c_set_adapdata(&connector->adapter, connector);
 	connector->adapter.algo_data = &connector->bit_data;
 
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
new file mode 100644
index 000000000000..77f075075db2
--- /dev/null
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Hisilicon Hibmc SoC drm driver
+ *
+ * Based on the bochs drm driver.
+ *
+ * Copyright (c) 2016 Huawei Limited.
+ *
+ * Author:
+ *	Rongrong Zou <zourongrong@huawei.com>
+ *	Rongrong Zou <zourongrong@gmail.com>
+ *	Jianhua Li <lijianhua@huawei.com>
+ */
+
+#include <linux/pci.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_gem.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_gem_vram_helper.h>
+#include <drm/drm_print.h>
+
+#include "hibmc_drm_drv.h"
+
+int hibmc_mm_init(struct hibmc_drm_private *hibmc)
+{
+	struct drm_vram_mm *vmm;
+	int ret;
+	struct drm_device *dev = hibmc->dev;
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
+
+	vmm = drm_vram_helper_alloc_mm(dev, pci_resource_start(pdev, 0),
+				       hibmc->fb_size);
+	if (IS_ERR(vmm)) {
+		ret = PTR_ERR(vmm);
+		drm_err(dev, "Error initializing VRAM MM; %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
+{
+	if (!hibmc->dev->vram_mm)
+		return;
+
+	drm_vram_helper_release_mm(hibmc->dev);
+}
+
+int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
+		      struct drm_mode_create_dumb *args)
+{
+	return drm_gem_vram_fill_create_dumb(file, dev, 0, 128, args);
+}
+
+const struct drm_mode_config_funcs hibmc_mode_funcs = {
+	.mode_valid = drm_vram_helper_mode_valid,
+	.atomic_check = drm_atomic_helper_check,
+	.atomic_commit = drm_atomic_helper_commit,
+	.fb_create = drm_gem_fb_create,
+};