drm/rockchip: Rename variables for clarity

actual_w and actual_h were the clipped source width, so rename them to
fit the use.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20251015110042.41273-5-daniels@collabora.com

Author: fooishbar

drivers/gpu/drm/rockchip/rockchip_drm_vop2.c

@@ -1139,7 +1139,7 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 	struct vop2 *vop2 = win->vop2;
 	struct drm_framebuffer *fb = pstate->fb;
 	u32 bpp = vop2_get_bpp(fb->format);
-	u32 actual_w, actual_h, dsp_w, dsp_h;
+	u32 src_w, src_h, dsp_w, dsp_h;
 	u32 act_info, dsp_info;
 	u32 format;
 	u32 afbc_format;
@@ -1203,8 +1203,8 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 		uv_mst = rk_obj->dma_addr + offset + fb->offsets[1];
 	}
 
-	actual_w = drm_rect_width(src) >> 16;
-	actual_h = drm_rect_height(src) >> 16;
+	src_w = drm_rect_width(src) >> 16;
+	src_h = drm_rect_height(src) >> 16;
 	dsp_w = drm_rect_width(dest);
 
 	if (dest->x1 + dsp_w > adjusted_mode->hdisplay) {
@@ -1214,7 +1214,7 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 		dsp_w = adjusted_mode->hdisplay - dest->x1;
 		if (dsp_w < 4)
 			dsp_w = 4;
-		actual_w = dsp_w * actual_w / drm_rect_width(dest);
+		src_w = dsp_w * src_w / drm_rect_width(dest);
 	}
 
 	dsp_h = drm_rect_height(dest);
@@ -1226,35 +1226,35 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 		dsp_h = adjusted_mode->vdisplay - dest->y1;
 		if (dsp_h < 4)
 			dsp_h = 4;
-		actual_h = dsp_h * actual_h / drm_rect_height(dest);
+		src_h = dsp_h * src_h / drm_rect_height(dest);
 	}
 
 	/*
 	 * This is workaround solution for IC design:
-	 * esmart can't support scale down when actual_w % 16 == 1.
+	 * esmart can't support scale down when src_w % 16 == 1.
 	 */
 	if (!(win->data->feature & WIN_FEATURE_AFBDC)) {
-		if (actual_w > dsp_w && (actual_w & 0xf) == 1) {
+		if (src_w > dsp_w && (src_w & 0xf) == 1) {
 			drm_dbg_kms(vop2->drm, "vp%d %s act_w[%d] MODE 16 == 1\n",
-				    vp->id, win->data->name, actual_w);
-			actual_w -= 1;
+				    vp->id, win->data->name, src_w);
+			src_w -= 1;
 		}
 	}
 
-	if (afbc_en && actual_w % 4) {
-		drm_dbg_kms(vop2->drm, "vp%d %s actual_w[%d] not 4 pixel aligned\n",
-			    vp->id, win->data->name, actual_w);
-		actual_w = ALIGN_DOWN(actual_w, 4);
+	if (afbc_en && src_w % 4) {
+		drm_dbg_kms(vop2->drm, "vp%d %s src_w[%d] not 4 pixel aligned\n",
+			    vp->id, win->data->name, src_w);
+		src_w = ALIGN_DOWN(src_w, 4);
 	}
 
-	act_info = (actual_h - 1) << 16 | ((actual_w - 1) & 0xffff);
+	act_info = (src_h - 1) << 16 | ((src_w - 1) & 0xffff);
 	dsp_info = (dsp_h - 1) << 16 | ((dsp_w - 1) & 0xffff);
 
 	format = vop2_convert_format(fb->format->format);
 	half_block_en = vop2_half_block_enable(pstate);
 
 	drm_dbg(vop2->drm, "vp%d update %s[%dx%d->%dx%d@%dx%d] fmt[%p4cc_%s] addr[%pad]\n",
-		vp->id, win->data->name, actual_w, actual_h, dsp_w, dsp_h,
+		vp->id, win->data->name, src_w, src_h, dsp_w, dsp_h,
 		dest->x1, dest->y1,
 		&fb->format->format,
 		afbc_en ? "AFBC" : "", &yrgb_mst);
@@ -1283,7 +1283,7 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 		if (fb->modifier & AFBC_FORMAT_MOD_YTR)
 			afbc_format |= (1 << 4);
 
-		afbc_tile_num = ALIGN(actual_w, block_w) / block_w;
+		afbc_tile_num = ALIGN(src_w, block_w) / block_w;
 
 		/*
 		 * AFBC pic_vir_width is count by pixel, this is different
@@ -1361,8 +1361,8 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 
 	if (rotate_90 || rotate_270) {
 		act_info = swahw32(act_info);
-		actual_w = drm_rect_height(src) >> 16;
-		actual_h = drm_rect_width(src) >> 16;
+		src_w = drm_rect_height(src) >> 16;
+		src_h = drm_rect_width(src) >> 16;
 	}
 
 	vop2_win_write(win, VOP2_WIN_FORMAT, format);
@@ -1378,7 +1378,7 @@ static void vop2_plane_atomic_update(struct drm_plane *plane,
 		vop2_win_write(win, VOP2_WIN_UV_MST, uv_mst);
 	}
 
-	vop2_setup_scale(vop2, win, actual_w, actual_h, dsp_w, dsp_h, fb->format->format);
+	vop2_setup_scale(vop2, win, src_w, src_h, dsp_w, dsp_h, fb->format->format);
 	if (!vop2_cluster_window(win))
 		vop2_plane_setup_color_key(plane, 0);
 	vop2_win_write(win, VOP2_WIN_ACT_INFO, act_info);