summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/aspeed
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2020-04-15 10:40:30 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2020-04-28 17:13:03 +0300
commitcd8294540776f7986b7cf658a3579d576853610c (patch)
treeb373adb239c576857f9876a8b9c7d13e9aaffded /drivers/gpu/drm/aspeed
parente95d2f40124992fb60a150e297b6fe96cc4ac741 (diff)
downloadlinux-cd8294540776f7986b7cf658a3579d576853610c.tar.xz
drm/aspeed: Use devm_drm_dev_alloc
As usual, we can drop the drm_dev_put() and need to embed the drm_device. Since it's so few, also go right ahead and leave drm_device->dev_private set to NULL, so that we always use the container_of() upcast, which is faster anyway. Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Joel Stanley <joel@jms.id.au> Cc: Andrew Jeffery <andrew@aj.id.au> Cc: linux-aspeed@lists.ozlabs.org Cc: linux-arm-kernel@lists.infradead.org Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-56-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/aspeed')
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx.h2
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c2
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx_drv.c31
-rw-r--r--drivers/gpu/drm/aspeed/aspeed_gfx_out.c2
4 files changed, 15 insertions, 22 deletions
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h
index adc02940de6f..e7ca95827ae8 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx.h
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h
@@ -5,6 +5,7 @@
#include <drm/drm_simple_kms_helper.h>
struct aspeed_gfx {
+ struct drm_device drm;
void __iomem *base;
struct clk *clk;
struct reset_control *rst;
@@ -13,6 +14,7 @@ struct aspeed_gfx {
struct drm_simple_display_pipe pipe;
struct drm_connector connector;
};
+#define to_aspeed_gfx(x) container_of(x, struct aspeed_gfx, drm)
int aspeed_gfx_create_pipe(struct drm_device *drm);
int aspeed_gfx_create_output(struct drm_device *drm);
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
index 2184b8be6fd4..e54686c31a90 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
@@ -231,7 +231,7 @@ static const uint32_t aspeed_gfx_formats[] = {
int aspeed_gfx_create_pipe(struct drm_device *drm)
{
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
return drm_simple_display_pipe_init(drm, &priv->pipe, &aspeed_gfx_funcs,
aspeed_gfx_formats,
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index ada2f6aca906..6b27242b9ee3 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -77,7 +77,7 @@ static void aspeed_gfx_setup_mode_config(struct drm_device *drm)
static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
{
struct drm_device *drm = data;
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
u32 reg;
reg = readl(priv->base + CRT_CTRL1);
@@ -96,15 +96,10 @@ static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
static int aspeed_gfx_load(struct drm_device *drm)
{
struct platform_device *pdev = to_platform_device(drm->dev);
- struct aspeed_gfx *priv;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
struct resource *res;
int ret;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- drm->dev_private = priv;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->base = devm_ioremap_resource(drm->dev, res);
if (IS_ERR(priv->base))
@@ -187,8 +182,6 @@ static void aspeed_gfx_unload(struct drm_device *drm)
{
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
-
- drm->dev_private = NULL;
}
DEFINE_DRM_GEM_CMA_FOPS(fops);
@@ -216,27 +209,26 @@ static const struct of_device_id aspeed_gfx_match[] = {
static int aspeed_gfx_probe(struct platform_device *pdev)
{
- struct drm_device *drm;
+ struct aspeed_gfx *priv;
int ret;
- drm = drm_dev_alloc(&aspeed_gfx_driver, &pdev->dev);
- if (IS_ERR(drm))
- return PTR_ERR(drm);
+ priv = devm_drm_dev_alloc(&pdev->dev, &aspeed_gfx_driver,
+ struct aspeed_gfx, drm);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
- ret = aspeed_gfx_load(drm);
+ ret = aspeed_gfx_load(&priv->drm);
if (ret)
- goto err_free;
+ return ret;
- ret = drm_dev_register(drm, 0);
+ ret = drm_dev_register(&priv->drm, 0);
if (ret)
goto err_unload;
return 0;
err_unload:
- aspeed_gfx_unload(drm);
-err_free:
- drm_dev_put(drm);
+ aspeed_gfx_unload(&priv->drm);
return ret;
}
@@ -247,7 +239,6 @@ static int aspeed_gfx_remove(struct platform_device *pdev)
drm_dev_unregister(drm);
aspeed_gfx_unload(drm);
- drm_dev_put(drm);
return 0;
}
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_out.c b/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
index 67ee5fa10055..6759cb88415a 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
@@ -28,7 +28,7 @@ static const struct drm_connector_funcs aspeed_gfx_connector_funcs = {
int aspeed_gfx_create_output(struct drm_device *drm)
{
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
int ret;
priv->connector.dpms = DRM_MODE_DPMS_OFF;