add the shutdown function to release the resource.

Signed-off-by: Tian Tao tiantao6@hisilicon.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 51f1c70..0e58455d 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -357,9 +357,14 @@ static void hibmc_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev);

- drm_dev_unregister(dev); - hibmc_unload(dev); drm_dev_put(dev); + pci_disable_device(pdev); + +} + +static void hibmc_pci_shutdown(struct pci_dev *pdev) +{ + hibmc_pci_remove(pdev); }

static struct pci_device_id hibmc_pci_table[] = { @@ -372,6 +377,7 @@ static struct pci_driver hibmc_pci_driver = { .id_table = hibmc_pci_table, .probe = hibmc_pci_probe, .remove = hibmc_pci_remove, + .shutdown = hibmc_pci_shutdown, .driver.pm = &hibmc_pm_ops, };

code cleanup for hibmc_drv_vdac.c, no actual function changes.

Signed-off-by: Tian Tao tiantao6@hisilicon.com Signed-off-by: Gong junjie gongjunjie2@huawei.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 49 ++++++++---------------- 1 file changed, 16 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index 678ac2e..f0e6bb8 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -52,32 +52,6 @@ static const struct drm_connector_funcs hibmc_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, };

-static struct drm_connector * -hibmc_connector_init(struct hibmc_drm_private *priv) -{ - struct drm_device *dev = priv->dev; - struct drm_connector *connector; - int ret; - - connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL); - if (!connector) { - DRM_ERROR("failed to alloc memory when init connector\n"); - return ERR_PTR(-ENOMEM); - } - - ret = drm_connector_init(dev, connector, - &hibmc_connector_funcs, - DRM_MODE_CONNECTOR_VGA); - if (ret) { - DRM_ERROR("failed to init connector: %d\n", ret); - return ERR_PTR(ret); - } - drm_connector_helper_add(connector, - &hibmc_connector_helper_funcs); - - return connector; -} - static void hibmc_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adj_mode) @@ -109,13 +83,6 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) struct drm_connector *connector; int ret;

- connector = hibmc_connector_init(priv); - if (IS_ERR(connector)) { - DRM_ERROR("failed to create connector: %ld\n", - PTR_ERR(connector)); - return PTR_ERR(connector); - } - encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL); if (!encoder) { DRM_ERROR("failed to alloc memory when init encoder\n"); @@ -131,6 +98,22 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) }

drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs); + connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL); + if (!connector) { + DRM_ERROR("failed to alloc memory when init connector\n"); + return -ENOMEM; + } + + ret = drm_connector_init(dev, connector, + &hibmc_connector_funcs, + DRM_MODE_CONNECTOR_VGA); + if (ret) { + DRM_ERROR("failed to init connector: %d\n", ret); + return ret; + } + + drm_connector_helper_add(connector, &hibmc_connector_helper_funcs); + drm_connector_register(connector); drm_connector_attach_encoder(connector, encoder);

return 0;

because the hardware limitation,The initial color depth must set to 32bpp and must set the FB Offset of the display hardware to 128Byte alignment, which is used to solve the display problem at 800x600 and 1440x900 resolution under 16bpp.

Signed-off-by: Tian Tao tiantao6@hisilicon.com Signed-off-by: Gong junjie gongjunjie2@huawei.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 9 +++++---- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 4 ++-- drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 2 +- 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c index 55b46a7..cc70e83 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c @@ -94,6 +94,10 @@ static int hibmc_plane_atomic_check(struct drm_plane *plane, return -EINVAL; }

+ if (state->fb->pitches[0] % 128 != 0) { + DRM_DEBUG_ATOMIC("wrong stride with 128-byte aligned\n"); + return -EINVAL; + } return 0; }

@@ -119,11 +123,8 @@ static void hibmc_plane_atomic_update(struct drm_plane *plane, writel(gpu_addr, priv->mmio + HIBMC_CRT_FB_ADDRESS);

reg = state->fb->width * (state->fb->format->cpp[0]); - /* now line_pad is 16 */ - reg = PADDING(16, reg);

- line_l = state->fb->width * state->fb->format->cpp[0]; - line_l = PADDING(16, line_l); + line_l = state->fb->pitches[0]; writel(HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_WIDTH, reg) | HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_OFFS, line_l), priv->mmio + HIBMC_CRT_FB_WIDTH); diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 222356a..79a180a 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -94,7 +94,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv) priv->dev->mode_config.max_height = 1200;

priv->dev->mode_config.fb_base = priv->fb_base; - priv->dev->mode_config.preferred_depth = 24; + priv->dev->mode_config.preferred_depth = 32; priv->dev->mode_config.prefer_shadow = 1;

priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs; @@ -307,7 +307,7 @@ static int hibmc_load(struct drm_device *dev) /* reset all the states of crtc/plane/encoder/connector */ drm_mode_config_reset(dev);

- ret = drm_fbdev_generic_setup(dev, 16); + ret = drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth); if (ret) { DRM_ERROR("failed to initialize fbdev: %d\n", ret); goto err; diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c index 99397ac..322bd54 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c @@ -50,7 +50,7 @@ void hibmc_mm_fini(struct hibmc_drm_private *hibmc) 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, 16, args); + return drm_gem_vram_fill_create_dumb(file, dev, 0, 128, args); }

const struct drm_mode_config_funcs hibmc_mode_funcs = {

code cleanup for hibmc_drv_vdac.c, no actual function changes.

Signed-off-by: Tian Tao tiantao6@hisilicon.com Signed-off-by: Gong junjie gongjunjie2@huawei.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 49 ++++++++---------------- 1 file changed, 16 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index 678ac2e..f0e6bb8 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -52,32 +52,6 @@ static const struct drm_connector_funcs hibmc_connector_funcs = { .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, };

-static struct drm_connector * -hibmc_connector_init(struct hibmc_drm_private *priv) -{ - struct drm_device *dev = priv->dev; - struct drm_connector *connector; - int ret; - - connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL); - if (!connector) { - DRM_ERROR("failed to alloc memory when init connector\n"); - return ERR_PTR(-ENOMEM); - } - - ret = drm_connector_init(dev, connector, - &hibmc_connector_funcs, - DRM_MODE_CONNECTOR_VGA); - if (ret) { - DRM_ERROR("failed to init connector: %d\n", ret); - return ERR_PTR(ret); - } - drm_connector_helper_add(connector, - &hibmc_connector_helper_funcs); - - return connector; -} - static void hibmc_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adj_mode) @@ -109,13 +83,6 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) struct drm_connector *connector; int ret;

- connector = hibmc_connector_init(priv); - if (IS_ERR(connector)) { - DRM_ERROR("failed to create connector: %ld\n", - PTR_ERR(connector)); - return PTR_ERR(connector); - } - encoder = devm_kzalloc(dev->dev, sizeof(*encoder), GFP_KERNEL); if (!encoder) { DRM_ERROR("failed to alloc memory when init encoder\n"); @@ -131,6 +98,22 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv) }

drm_encoder_helper_add(encoder, &hibmc_encoder_helper_funcs); + connector = devm_kzalloc(dev->dev, sizeof(*connector), GFP_KERNEL); + if (!connector) { + DRM_ERROR("failed to alloc memory when init connector\n"); + return -ENOMEM; + } + + ret = drm_connector_init(dev, connector, + &hibmc_connector_funcs, + DRM_MODE_CONNECTOR_VGA); + if (ret) { + DRM_ERROR("failed to init connector: %d\n", ret); + return ret; + } + + drm_connector_helper_add(connector, &hibmc_connector_helper_funcs); + drm_connector_register(connector); drm_connector_attach_encoder(connector, encoder);

return 0;

add the shutdown function to release the resource.

Signed-off-by: Tian Tao tiantao6@hisilicon.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 51f1c70..0e58455d 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -357,9 +357,14 @@ static void hibmc_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev);

- drm_dev_unregister(dev); - hibmc_unload(dev); drm_dev_put(dev); + pci_disable_device(pdev); + +} + +static void hibmc_pci_shutdown(struct pci_dev *pdev) +{ + hibmc_pci_remove(pdev); }

static struct pci_device_id hibmc_pci_table[] = { @@ -372,6 +377,7 @@ static struct pci_driver hibmc_pci_driver = { .id_table = hibmc_pci_table, .probe = hibmc_pci_probe, .remove = hibmc_pci_remove, + .shutdown = hibmc_pci_shutdown, .driver.pm = &hibmc_pm_ops, };

Hi

Am 06.03.20 um 04:42 schrieb Tian Tao:

using the load and unload function provided by drm framework instead of doing the same work in the hibmc_pci_probe and do some code cleanup.

Signed-off-by: Tian Tao tiantao6@hisilicon.com Signed-off-by: Gong junjie gongjunjie2@huawei.com

---

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 62 +++++++++---------------- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 2 + 2 files changed, 24 insertions(+), 40 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 79a180a..51f1c70 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -23,7 +23,7 @@ #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h>

+#include <drm/drm_pci.h> #include "hibmc_drm_drv.h" #include "hibmc_drm_regs.h"

@@ -49,6 +49,8 @@ static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)

static struct drm_driver hibmc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,

• .load = hibmc_load,
• .unload = hibmc_unload,

These callbacks are deprecated and not to be used. During the last weeks and months, we've been working on removing them from the other remaining drivers. Therefore nak.

Best regards Thomas

.fops = &hibmc_fops, .name = "hibmc", .date = "20160828", @@ -232,6 +234,21 @@ static int hibmc_hw_map(struct hibmc_drm_private *priv) return 0; }

+static void hibmc_hw_unmap(struct hibmc_drm_private *priv) +{

• struct drm_device *dev = priv->dev;
• if (priv->mmio) {

• devm_iounmap(dev->dev, priv->mmio);
  

• priv->mmio = NULL;
  

• }
• if (priv->fb_map) {

• devm_iounmap(dev->dev, priv->fb_map);
  

• priv->fb_map = NULL;
  

• }

+}

static int hibmc_hw_init(struct hibmc_drm_private *priv) { int ret; @@ -245,7 +262,7 @@ static int hibmc_hw_init(struct hibmc_drm_private *priv) return 0; }

-static int hibmc_unload(struct drm_device *dev) +void hibmc_unload(struct drm_device *dev) { struct hibmc_drm_private *priv = dev->dev_private;

@@ -258,11 +275,12 @@ static int hibmc_unload(struct drm_device *dev)

hibmc_kms_fini(priv); hibmc_mm_fini(priv);

• hibmc_hw_unmap(priv); dev->dev_private = NULL; return 0;

}

-static int hibmc_load(struct drm_device *dev) +int hibmc_load(struct drm_device *dev, unsigned long flags) { struct hibmc_drm_private *priv; int ret; @@ -332,43 +350,7 @@ static int hibmc_pci_probe(struct pci_dev *pdev, if (ret) return ret;

• dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
• if (IS_ERR(dev)) {

• DRM_ERROR("failed to allocate drm_device\n");
  

• return PTR_ERR(dev);
  

• }
• dev->pdev = pdev;
• pci_set_drvdata(pdev, dev);
• ret = pci_enable_device(pdev);
• if (ret) {

• DRM_ERROR("failed to enable pci device: %d\n", ret);
  

• goto err_free;
  

• }
• ret = hibmc_load(dev);
• if (ret) {

• DRM_ERROR("failed to load hibmc: %d\n", ret);
  

• goto err_disable;
  

• }
• ret = drm_dev_register(dev, 0);
• if (ret) {

• DRM_ERROR("failed to register drv for userspace access: %d\n",
  

• 	  ret);
  

• goto err_unload;
  

• }
• return 0;

-err_unload:

• hibmc_unload(dev);

-err_disable:

• pci_disable_device(pdev);

-err_free:

• drm_dev_put(dev);
• return ret;

• return drm_get_pci_dev(pdev, ent, &hibmc_driver);

}

static void hibmc_pci_remove(struct pci_dev *pdev) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h index 50a0c1f..4e89cd7 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h @@ -37,6 +37,8 @@ void hibmc_set_power_mode(struct hibmc_drm_private *priv, void hibmc_set_current_gate(struct hibmc_drm_private *priv, unsigned int gate);

+int hibmc_load(struct drm_device *dev, unsigned long flags); +void hibmc_unload(struct drm_device *dev); int hibmc_de_init(struct hibmc_drm_private *priv); int hibmc_vdac_init(struct hibmc_drm_private *priv);