linux-kernel - [PATCH v3 08/12] drm/udl: Pass rectangle directly to udl_handle

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Message-Id: <20220908095115.23396-9-tiwai@suse.de>
Date:   Thu,  8 Sep 2022 11:51:11 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 08/12] drm/udl: Pass rectangle directly to udl_handle_damage()

Just for some code simplification.

Suggested-by: Thomas Zimmermann <tzimmermann@...e.de>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
---
 drivers/gpu/drm/udl/udl_modeset.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index c9b837ac26a7..0142fc6a478a 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -244,14 +244,13 @@ static long udl_log_cpp(unsigned int cpp)
 
 static int udl_handle_damage(struct drm_framebuffer *fb,
 			     const struct iosys_map *map,
-			     int x, int y, int width, int height)
+			     struct drm_rect *clip)
 {
 	struct drm_device *dev = fb->dev;
 	void *vaddr = map->vaddr; /* TODO: Use mapping abstraction properly */
 	int i, ret;
 	char *cmd;
 	struct urb *urb;
-	struct drm_rect clip;
 	int log_bpp;
 
 	ret = udl_log_cpp(fb->format->cpp[0]);
@@ -259,8 +258,6 @@ static int udl_handle_damage(struct drm_framebuffer *fb,
 		return ret;
 	log_bpp = ret;
 
-	drm_rect_init(&clip, x, y, width, height);
-
 	ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
 	if (ret)
 		return ret;
@@ -272,11 +269,11 @@ static int udl_handle_damage(struct drm_framebuffer *fb,
 	}
 	cmd = urb->transfer_buffer;
 
-	for (i = clip.y1; i < clip.y2; i++) {
+	for (i = clip->y1; i < clip->y2; i++) {
 		const int line_offset = fb->pitches[0] * i;
-		const int byte_offset = line_offset + (clip.x1 << log_bpp);
-		const int dev_byte_offset = (fb->width * i + clip.x1) << log_bpp;
-		const int byte_width = (clip.x2 - clip.x1) << log_bpp;
+		const int byte_offset = line_offset + (clip->x1 << log_bpp);
+		const int dev_byte_offset = (fb->width * i + clip->x1) << log_bpp;
+		const int byte_width = (clip->x2 - clip->x1) << log_bpp;
 		ret = udl_render_hline(dev, log_bpp, &urb, (char *)vaddr,
 				       &cmd, byte_offset, dev_byte_offset,
 				       byte_width);
@@ -329,6 +326,7 @@ udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
 	struct udl_device *udl = to_udl(dev);
 	struct drm_display_mode *mode = &crtc_state->mode;
 	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
+	struct drm_rect clip;
 	char *buf;
 	char *wrptr;
 	int color_depth = UDL_COLOR_DEPTH_16BPP;
@@ -354,7 +352,8 @@ udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
 
 	udl->mode_buf_len = wrptr - buf;
 
-	udl_handle_damage(fb, &shadow_plane_state->data[0], 0, 0, fb->width, fb->height);
+	drm_rect_init(&clip, 0, 0, fb->width, fb->height);
+	udl_handle_damage(fb, &shadow_plane_state->data[0], &clip);
 
 	/* enable display */
 	udl_crtc_write_mode_to_hw(crtc);
@@ -396,8 +395,7 @@ udl_simple_display_pipe_update(struct drm_simple_display_pipe *pipe,
 		return;
 
 	if (drm_atomic_helper_damage_merged(old_plane_state, state, &rect))
-		udl_handle_damage(fb, &shadow_plane_state->data[0], rect.x1, rect.y1,
-				  rect.x2 - rect.x1, rect.y2 - rect.y1);
+		udl_handle_damage(fb, &shadow_plane_state->data[0], &rect);
 }
 
 static const struct drm_simple_display_pipe_funcs udl_simple_display_pipe_funcs = {
-- 
2.35.3