[RFC,v2,2/5] drm: hdlcd: use vblank hooks in struct drm_crtc_funcs
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Message ID 1485065346-11578-3-git-send-email-shawnguo@kernel.org
State New
Headers show

Commit Message

Shawn Guo Jan. 22, 2017, 6:09 a.m. UTC
From: Shawn Guo <shawn.guo@linaro.org>

The vblank hooks in struct drm_driver are deprecated and only meant for
legacy drivers.  For modern drivers with DRIVER_MODESET flag, the hooks
in struct drm_crtc_funcs should be used instead.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Liviu Dudau <liviu.dudau@arm.com>
---
 drivers/gpu/drm/arm/hdlcd_crtc.c | 20 ++++++++++++++++++++
 drivers/gpu/drm/arm/hdlcd_drv.c  | 20 --------------------
 2 files changed, 20 insertions(+), 20 deletions(-)

Comments

Liviu Dudau Jan. 27, 2017, 5:02 p.m. UTC | #1
On Sun, Jan 22, 2017 at 02:09:03PM +0800, Shawn Guo wrote:
> From: Shawn Guo <shawn.guo@linaro.org>
> 
> The vblank hooks in struct drm_driver are deprecated and only meant for
> legacy drivers.  For modern drivers with DRIVER_MODESET flag, the hooks
> in struct drm_crtc_funcs should be used instead.
> 
> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
> Cc: Liviu Dudau <liviu.dudau@arm.com>

Acked-by: Liviu Dudau <liviu.dudau@arm.com>

> ---
>  drivers/gpu/drm/arm/hdlcd_crtc.c | 20 ++++++++++++++++++++
>  drivers/gpu/drm/arm/hdlcd_drv.c  | 20 --------------------
>  2 files changed, 20 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
> index 20ebfb4fbdfa..798a3cc480a2 100644
> --- a/drivers/gpu/drm/arm/hdlcd_crtc.c
> +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
> @@ -42,6 +42,24 @@ static void hdlcd_crtc_cleanup(struct drm_crtc *crtc)
>  	drm_crtc_cleanup(crtc);
>  }
>  
> +static int hdlcd_crtc_enable_vblank(struct drm_crtc *crtc)
> +{
> +	struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
> +	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
> +
> +	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask | HDLCD_INTERRUPT_VSYNC);
> +
> +	return 0;
> +}
> +
> +static void hdlcd_crtc_disable_vblank(struct drm_crtc *crtc)
> +{
> +	struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
> +	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
> +
> +	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask & ~HDLCD_INTERRUPT_VSYNC);
> +}
> +
>  static const struct drm_crtc_funcs hdlcd_crtc_funcs = {
>  	.destroy = hdlcd_crtc_cleanup,
>  	.set_config = drm_atomic_helper_set_config,
> @@ -49,6 +67,8 @@ static void hdlcd_crtc_cleanup(struct drm_crtc *crtc)
>  	.reset = drm_atomic_helper_crtc_reset,
>  	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
>  	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
> +	.enable_vblank = hdlcd_crtc_enable_vblank,
> +	.disable_vblank = hdlcd_crtc_disable_vblank,
>  };
>  
>  static struct simplefb_format supported_formats[] = SIMPLEFB_FORMATS;
> diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
> index e5f4f4a6546d..6598ba4cc958 100644
> --- a/drivers/gpu/drm/arm/hdlcd_drv.c
> +++ b/drivers/gpu/drm/arm/hdlcd_drv.c
> @@ -199,24 +199,6 @@ static void hdlcd_irq_uninstall(struct drm_device *drm)
>  	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, irq_mask);
>  }
>  
> -static int hdlcd_enable_vblank(struct drm_device *drm, unsigned int crtc)
> -{
> -	struct hdlcd_drm_private *hdlcd = drm->dev_private;
> -	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
> -
> -	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask | HDLCD_INTERRUPT_VSYNC);
> -
> -	return 0;
> -}
> -
> -static void hdlcd_disable_vblank(struct drm_device *drm, unsigned int crtc)
> -{
> -	struct hdlcd_drm_private *hdlcd = drm->dev_private;
> -	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
> -
> -	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask & ~HDLCD_INTERRUPT_VSYNC);
> -}
> -
>  #ifdef CONFIG_DEBUG_FS
>  static int hdlcd_show_underrun_count(struct seq_file *m, void *arg)
>  {
> @@ -285,8 +267,6 @@ static void hdlcd_debugfs_cleanup(struct drm_minor *minor)
>  	.irq_postinstall = hdlcd_irq_postinstall,
>  	.irq_uninstall = hdlcd_irq_uninstall,
>  	.get_vblank_counter = drm_vblank_no_hw_counter,
> -	.enable_vblank = hdlcd_enable_vblank,
> -	.disable_vblank = hdlcd_disable_vblank,
>  	.gem_free_object_unlocked = drm_gem_cma_free_object,
>  	.gem_vm_ops = &drm_gem_cma_vm_ops,
>  	.dumb_create = drm_gem_cma_dumb_create,
> -- 
> 1.9.1
>

Patch
diff mbox

diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index 20ebfb4fbdfa..798a3cc480a2 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -42,6 +42,24 @@  static void hdlcd_crtc_cleanup(struct drm_crtc *crtc)
 	drm_crtc_cleanup(crtc);
 }
 
+static int hdlcd_crtc_enable_vblank(struct drm_crtc *crtc)
+{
+	struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
+	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
+
+	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask | HDLCD_INTERRUPT_VSYNC);
+
+	return 0;
+}
+
+static void hdlcd_crtc_disable_vblank(struct drm_crtc *crtc)
+{
+	struct hdlcd_drm_private *hdlcd = crtc_to_hdlcd_priv(crtc);
+	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
+
+	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask & ~HDLCD_INTERRUPT_VSYNC);
+}
+
 static const struct drm_crtc_funcs hdlcd_crtc_funcs = {
 	.destroy = hdlcd_crtc_cleanup,
 	.set_config = drm_atomic_helper_set_config,
@@ -49,6 +67,8 @@  static void hdlcd_crtc_cleanup(struct drm_crtc *crtc)
 	.reset = drm_atomic_helper_crtc_reset,
 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+	.enable_vblank = hdlcd_crtc_enable_vblank,
+	.disable_vblank = hdlcd_crtc_disable_vblank,
 };
 
 static struct simplefb_format supported_formats[] = SIMPLEFB_FORMATS;
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index e5f4f4a6546d..6598ba4cc958 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -199,24 +199,6 @@  static void hdlcd_irq_uninstall(struct drm_device *drm)
 	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, irq_mask);
 }
 
-static int hdlcd_enable_vblank(struct drm_device *drm, unsigned int crtc)
-{
-	struct hdlcd_drm_private *hdlcd = drm->dev_private;
-	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
-
-	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask | HDLCD_INTERRUPT_VSYNC);
-
-	return 0;
-}
-
-static void hdlcd_disable_vblank(struct drm_device *drm, unsigned int crtc)
-{
-	struct hdlcd_drm_private *hdlcd = drm->dev_private;
-	unsigned int mask = hdlcd_read(hdlcd, HDLCD_REG_INT_MASK);
-
-	hdlcd_write(hdlcd, HDLCD_REG_INT_MASK, mask & ~HDLCD_INTERRUPT_VSYNC);
-}
-
 #ifdef CONFIG_DEBUG_FS
 static int hdlcd_show_underrun_count(struct seq_file *m, void *arg)
 {
@@ -285,8 +267,6 @@  static void hdlcd_debugfs_cleanup(struct drm_minor *minor)
 	.irq_postinstall = hdlcd_irq_postinstall,
 	.irq_uninstall = hdlcd_irq_uninstall,
 	.get_vblank_counter = drm_vblank_no_hw_counter,
-	.enable_vblank = hdlcd_enable_vblank,
-	.disable_vblank = hdlcd_disable_vblank,
 	.gem_free_object_unlocked = drm_gem_cma_free_object,
 	.gem_vm_ops = &drm_gem_cma_vm_ops,
 	.dumb_create = drm_gem_cma_dumb_create,