diff mbox

[05/23] drm: Add local 'plane' variable for primary/cursor planes

Message ID 20180322152313.6561-6-ville.syrjala@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ville Syrjala March 22, 2018, 3:22 p.m. UTC
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Make the code a bit more readable by storing the plane pointer in a
local variable rather than having to do crtc->{primary,cursor} all the
time.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/drm_crtc.c  | 32 +++++++++++++++++++-------------
 drivers/gpu/drm/drm_plane.c | 32 ++++++++++++++++++--------------
 2 files changed, 37 insertions(+), 27 deletions(-)

Comments

Daniel Vetter March 26, 2018, 8:49 p.m. UTC | #1
On Thu, Mar 22, 2018 at 05:22:55PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Make the code a bit more readable by storing the plane pointer in a
> local variable rather than having to do crtc->{primary,cursor} all the
> time.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/drm_crtc.c  | 32 +++++++++++++++++++-------------
>  drivers/gpu/drm/drm_plane.c | 32 ++++++++++++++++++--------------
>  2 files changed, 37 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index 7a973ada7195..8552ed419056 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -402,6 +402,7 @@ int drm_mode_getcrtc(struct drm_device *dev,
>  {
>  	struct drm_mode_crtc *crtc_resp = data;
>  	struct drm_crtc *crtc;
> +	struct drm_plane *plane;
>  
>  	if (!drm_core_check_feature(dev, DRIVER_MODESET))
>  		return -EINVAL;
> @@ -410,21 +411,23 @@ int drm_mode_getcrtc(struct drm_device *dev,
>  	if (!crtc)
>  		return -ENOENT;
>  
> +	plane = crtc->primary;
> +
>  	crtc_resp->gamma_size = crtc->gamma_size;
>  
> -	drm_modeset_lock(&crtc->primary->mutex, NULL);
> -	if (crtc->primary->state && crtc->primary->state->fb)
> -		crtc_resp->fb_id = crtc->primary->state->fb->base.id;
> -	else if (!crtc->primary->state && crtc->primary->fb)
> -		crtc_resp->fb_id = crtc->primary->fb->base.id;
> +	drm_modeset_lock(&plane->mutex, NULL);
> +	if (plane->state && plane->state->fb)
> +		crtc_resp->fb_id = plane->state->fb->base.id;
> +	else if (!plane->state && plane->fb)
> +		crtc_resp->fb_id = plane->fb->base.id;
>  	else
>  		crtc_resp->fb_id = 0;
>  
> -	if (crtc->primary->state) {
> -		crtc_resp->x = crtc->primary->state->src_x >> 16;
> -		crtc_resp->y = crtc->primary->state->src_y >> 16;
> +	if (plane->state) {
> +		crtc_resp->x = plane->state->src_x >> 16;
> +		crtc_resp->y = plane->state->src_y >> 16;
>  	}
> -	drm_modeset_unlock(&crtc->primary->mutex);
> +	drm_modeset_unlock(&plane->mutex);
>  
>  	drm_modeset_lock(&crtc->mutex, NULL);
>  	if (crtc->state) {
> @@ -554,6 +557,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
>  	struct drm_mode_config *config = &dev->mode_config;
>  	struct drm_mode_crtc *crtc_req = data;
>  	struct drm_crtc *crtc;
> +	struct drm_plane *plane;
>  	struct drm_connector **connector_set = NULL, *connector;
>  	struct drm_framebuffer *fb = NULL;
>  	struct drm_display_mode *mode = NULL;
> @@ -580,6 +584,8 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,

Could do the same for setconfig_internal's tmp->primary, if you're bored.

>  	}
>  	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
>  
> +	plane = crtc->primary;
> +
>  	mutex_lock(&crtc->dev->mode_config.mutex);
>  	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
>  retry:
> @@ -590,12 +596,12 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
>  		/* If we have a mode we need a framebuffer. */
>  		/* If we pass -1, set the mode with the currently bound fb */
>  		if (crtc_req->fb_id == -1) {
> -			if (!crtc->primary->fb) {
> +			if (!plane->fb) {
>  				DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
>  				ret = -EINVAL;
>  				goto out;
>  			}
> -			fb = crtc->primary->fb;
> +			fb = plane->fb;
>  			/* Make refcounting symmetric with the lookup path. */
>  			drm_framebuffer_get(fb);
>  		} else {
> @@ -627,8 +633,8 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
>  		 * match real hardware capabilities. Skip the check in that
>  		 * case.
>  		 */
> -		if (!crtc->primary->format_default) {
> -			ret = drm_plane_check_pixel_format(crtc->primary,
> +		if (!plane->format_default) {
> +			ret = drm_plane_check_pixel_format(plane,
>  							   fb->format->format,
>  							   fb->modifier);
>  			if (ret) {
> diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
> index 6d2a6e428a3e..38e2a628bfa2 100644
> --- a/drivers/gpu/drm/drm_plane.c
> +++ b/drivers/gpu/drm/drm_plane.c
> @@ -756,6 +756,7 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
>  				     struct drm_modeset_acquire_ctx *ctx)
>  {
>  	struct drm_device *dev = crtc->dev;
> +	struct drm_plane *plane = crtc->cursor;
>  	struct drm_framebuffer *fb = NULL;
>  	struct drm_mode_fb_cmd2 fbreq = {
>  		.width = req->width,
> @@ -769,8 +770,8 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
>  	uint32_t src_w = 0, src_h = 0;
>  	int ret = 0;
>  
> -	BUG_ON(!crtc->cursor);
> -	WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL);
> +	BUG_ON(!plane);
> +	WARN_ON(plane->crtc != crtc && plane->crtc != NULL);
>  
>  	/*
>  	 * Obtain fb we'll be using (either new or existing) and take an extra
> @@ -790,7 +791,7 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
>  			fb = NULL;
>  		}
>  	} else {
> -		fb = crtc->cursor->fb;
> +		fb = plane->fb;
>  		if (fb)
>  			drm_framebuffer_get(fb);
>  	}
> @@ -810,7 +811,7 @@ static int drm_mode_cursor_universal(struct drm_crtc *crtc,
>  		src_h = fb->height << 16;
>  	}
>  
> -	ret = __setplane_internal(crtc->cursor, crtc, fb,
> +	ret = __setplane_internal(plane, crtc, fb,
>  				  crtc_x, crtc_y, crtc_w, crtc_h,
>  				  0, 0, src_w, src_h, ctx);
>  
> @@ -931,6 +932,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  {
>  	struct drm_mode_crtc_page_flip_target *page_flip = data;
>  	struct drm_crtc *crtc;
> +	struct drm_plane *plane;
>  	struct drm_framebuffer *fb = NULL;
>  	struct drm_pending_vblank_event *e = NULL;
>  	u32 target_vblank = page_flip->sequence;
> @@ -959,6 +961,8 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  	if (!crtc)
>  		return -ENOENT;
>  
> +	plane = crtc->primary;
> +
>  	if (crtc->funcs->page_flip_target) {
>  		u32 current_vblank;
>  		int r;
> @@ -1003,11 +1007,11 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  	ret = drm_modeset_lock(&crtc->mutex, &ctx);
>  	if (ret)
>  		goto out;
> -	ret = drm_modeset_lock(&crtc->primary->mutex, &ctx);
> +	ret = drm_modeset_lock(&plane->mutex, &ctx);
>  	if (ret)
>  		goto out;
>  
> -	if (crtc->primary->fb == NULL) {
> +	if (plane->fb == NULL) {
>  		/* The framebuffer is currently unbound, presumably
>  		 * due to a hotplug event, that userspace has not
>  		 * yet discovered.
> @@ -1023,7 +1027,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  	}
>  
>  	if (crtc->state) {
> -		const struct drm_plane_state *state = crtc->primary->state;
> +		const struct drm_plane_state *state = plane->state;
>  
>  		ret = drm_framebuffer_check_src_coords(state->src_x,
>  						       state->src_y,
> @@ -1036,7 +1040,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  	if (ret)
>  		goto out;
>  
> -	if (crtc->primary->fb->format != fb->format) {
> +	if (plane->fb->format != fb->format) {
>  		DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n");
>  		ret = -EINVAL;
>  		goto out;
> @@ -1060,7 +1064,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  		}
>  	}
>  
> -	crtc->primary->old_fb = crtc->primary->fb;
> +	plane->old_fb = plane->fb;
>  	if (crtc->funcs->page_flip_target)
>  		ret = crtc->funcs->page_flip_target(crtc, fb, e,
>  						    page_flip->flags,
> @@ -1073,9 +1077,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  		if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT)
>  			drm_event_cancel_free(dev, &e->base);
>  		/* Keep the old fb, don't unref it. */
> -		crtc->primary->old_fb = NULL;
> +		plane->old_fb = NULL;
>  	} else {
> -		crtc->primary->fb = fb;
> +		plane->fb = fb;
>  		/* Unref only the old framebuffer. */
>  		fb = NULL;
>  	}
> @@ -1083,9 +1087,9 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
>  out:
>  	if (fb)
>  		drm_framebuffer_put(fb);
> -	if (crtc->primary->old_fb)
> -		drm_framebuffer_put(crtc->primary->old_fb);
> -	crtc->primary->old_fb = NULL;
> +	if (plane->old_fb)
> +		drm_framebuffer_put(plane->old_fb);
> +	plane->old_fb = NULL;
>  

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

>  	if (ret == -EDEADLK) {
>  		ret = drm_modeset_backoff(&ctx);
> -- 
> 2.16.1
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox

Patch

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 7a973ada7195..8552ed419056 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -402,6 +402,7 @@  int drm_mode_getcrtc(struct drm_device *dev,
 {
 	struct drm_mode_crtc *crtc_resp = data;
 	struct drm_crtc *crtc;
+	struct drm_plane *plane;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return -EINVAL;
@@ -410,21 +411,23 @@  int drm_mode_getcrtc(struct drm_device *dev,
 	if (!crtc)
 		return -ENOENT;
 
+	plane = crtc->primary;
+
 	crtc_resp->gamma_size = crtc->gamma_size;
 
-	drm_modeset_lock(&crtc->primary->mutex, NULL);
-	if (crtc->primary->state && crtc->primary->state->fb)
-		crtc_resp->fb_id = crtc->primary->state->fb->base.id;
-	else if (!crtc->primary->state && crtc->primary->fb)
-		crtc_resp->fb_id = crtc->primary->fb->base.id;
+	drm_modeset_lock(&plane->mutex, NULL);
+	if (plane->state && plane->state->fb)
+		crtc_resp->fb_id = plane->state->fb->base.id;
+	else if (!plane->state && plane->fb)
+		crtc_resp->fb_id = plane->fb->base.id;
 	else
 		crtc_resp->fb_id = 0;
 
-	if (crtc->primary->state) {
-		crtc_resp->x = crtc->primary->state->src_x >> 16;
-		crtc_resp->y = crtc->primary->state->src_y >> 16;
+	if (plane->state) {
+		crtc_resp->x = plane->state->src_x >> 16;
+		crtc_resp->y = plane->state->src_y >> 16;
 	}
-	drm_modeset_unlock(&crtc->primary->mutex);
+	drm_modeset_unlock(&plane->mutex);
 
 	drm_modeset_lock(&crtc->mutex, NULL);
 	if (crtc->state) {
@@ -554,6 +557,7 @@  int drm_mode_setcrtc(struct drm_device *dev, void *data,
 	struct drm_mode_config *config = &dev->mode_config;
 	struct drm_mode_crtc *crtc_req = data;
 	struct drm_crtc *crtc;
+	struct drm_plane *plane;
 	struct drm_connector **connector_set = NULL, *connector;
 	struct drm_framebuffer *fb = NULL;
 	struct drm_display_mode *mode = NULL;
@@ -580,6 +584,8 @@  int drm_mode_setcrtc(struct drm_device *dev, void *data,
 	}
 	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
 
+	plane = crtc->primary;
+
 	mutex_lock(&crtc->dev->mode_config.mutex);
 	drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
 retry:
@@ -590,12 +596,12 @@  int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		/* If we have a mode we need a framebuffer. */
 		/* If we pass -1, set the mode with the currently bound fb */
 		if (crtc_req->fb_id == -1) {
-			if (!crtc->primary->fb) {
+			if (!plane->fb) {
 				DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
 				ret = -EINVAL;
 				goto out;
 			}
-			fb = crtc->primary->fb;
+			fb = plane->fb;
 			/* Make refcounting symmetric with the lookup path. */
 			drm_framebuffer_get(fb);
 		} else {
@@ -627,8 +633,8 @@  int drm_mode_setcrtc(struct drm_device *dev, void *data,
 		 * match real hardware capabilities. Skip the check in that
 		 * case.
 		 */
-		if (!crtc->primary->format_default) {
-			ret = drm_plane_check_pixel_format(crtc->primary,
+		if (!plane->format_default) {
+			ret = drm_plane_check_pixel_format(plane,
 							   fb->format->format,
 							   fb->modifier);
 			if (ret) {
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 6d2a6e428a3e..38e2a628bfa2 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -756,6 +756,7 @@  static int drm_mode_cursor_universal(struct drm_crtc *crtc,
 				     struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_device *dev = crtc->dev;
+	struct drm_plane *plane = crtc->cursor;
 	struct drm_framebuffer *fb = NULL;
 	struct drm_mode_fb_cmd2 fbreq = {
 		.width = req->width,
@@ -769,8 +770,8 @@  static int drm_mode_cursor_universal(struct drm_crtc *crtc,
 	uint32_t src_w = 0, src_h = 0;
 	int ret = 0;
 
-	BUG_ON(!crtc->cursor);
-	WARN_ON(crtc->cursor->crtc != crtc && crtc->cursor->crtc != NULL);
+	BUG_ON(!plane);
+	WARN_ON(plane->crtc != crtc && plane->crtc != NULL);
 
 	/*
 	 * Obtain fb we'll be using (either new or existing) and take an extra
@@ -790,7 +791,7 @@  static int drm_mode_cursor_universal(struct drm_crtc *crtc,
 			fb = NULL;
 		}
 	} else {
-		fb = crtc->cursor->fb;
+		fb = plane->fb;
 		if (fb)
 			drm_framebuffer_get(fb);
 	}
@@ -810,7 +811,7 @@  static int drm_mode_cursor_universal(struct drm_crtc *crtc,
 		src_h = fb->height << 16;
 	}
 
-	ret = __setplane_internal(crtc->cursor, crtc, fb,
+	ret = __setplane_internal(plane, crtc, fb,
 				  crtc_x, crtc_y, crtc_w, crtc_h,
 				  0, 0, src_w, src_h, ctx);
 
@@ -931,6 +932,7 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 {
 	struct drm_mode_crtc_page_flip_target *page_flip = data;
 	struct drm_crtc *crtc;
+	struct drm_plane *plane;
 	struct drm_framebuffer *fb = NULL;
 	struct drm_pending_vblank_event *e = NULL;
 	u32 target_vblank = page_flip->sequence;
@@ -959,6 +961,8 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	if (!crtc)
 		return -ENOENT;
 
+	plane = crtc->primary;
+
 	if (crtc->funcs->page_flip_target) {
 		u32 current_vblank;
 		int r;
@@ -1003,11 +1007,11 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	ret = drm_modeset_lock(&crtc->mutex, &ctx);
 	if (ret)
 		goto out;
-	ret = drm_modeset_lock(&crtc->primary->mutex, &ctx);
+	ret = drm_modeset_lock(&plane->mutex, &ctx);
 	if (ret)
 		goto out;
 
-	if (crtc->primary->fb == NULL) {
+	if (plane->fb == NULL) {
 		/* The framebuffer is currently unbound, presumably
 		 * due to a hotplug event, that userspace has not
 		 * yet discovered.
@@ -1023,7 +1027,7 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	}
 
 	if (crtc->state) {
-		const struct drm_plane_state *state = crtc->primary->state;
+		const struct drm_plane_state *state = plane->state;
 
 		ret = drm_framebuffer_check_src_coords(state->src_x,
 						       state->src_y,
@@ -1036,7 +1040,7 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	if (ret)
 		goto out;
 
-	if (crtc->primary->fb->format != fb->format) {
+	if (plane->fb->format != fb->format) {
 		DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n");
 		ret = -EINVAL;
 		goto out;
@@ -1060,7 +1064,7 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 		}
 	}
 
-	crtc->primary->old_fb = crtc->primary->fb;
+	plane->old_fb = plane->fb;
 	if (crtc->funcs->page_flip_target)
 		ret = crtc->funcs->page_flip_target(crtc, fb, e,
 						    page_flip->flags,
@@ -1073,9 +1077,9 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 		if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT)
 			drm_event_cancel_free(dev, &e->base);
 		/* Keep the old fb, don't unref it. */
-		crtc->primary->old_fb = NULL;
+		plane->old_fb = NULL;
 	} else {
-		crtc->primary->fb = fb;
+		plane->fb = fb;
 		/* Unref only the old framebuffer. */
 		fb = NULL;
 	}
@@ -1083,9 +1087,9 @@  int drm_mode_page_flip_ioctl(struct drm_device *dev,
 out:
 	if (fb)
 		drm_framebuffer_put(fb);
-	if (crtc->primary->old_fb)
-		drm_framebuffer_put(crtc->primary->old_fb);
-	crtc->primary->old_fb = NULL;
+	if (plane->old_fb)
+		drm_framebuffer_put(plane->old_fb);
+	plane->old_fb = NULL;
 
 	if (ret == -EDEADLK) {
 		ret = drm_modeset_backoff(&ctx);