add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/gpu/drm/zte/zx_plane.c
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@@ -1,20 +1,16 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright 2016 Linaro Ltd.
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  * Copyright 2016 ZTE Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  */
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 #include <drm/drm_atomic.h>
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 #include <drm/drm_atomic_helper.h>
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 #include <drm/drm_fb_cma_helper.h>
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+#include <drm/drm_fourcc.h>
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 #include <drm/drm_gem_cma_helper.h>
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 #include <drm/drm_modeset_helper_vtables.h>
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 #include <drm/drm_plane_helper.h>
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-#include <drm/drmP.h>
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 #include "zx_common_regs.h"
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 #include "zx_drm_drv.h"
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@@ -58,7 +54,7 @@
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 	int min_scale = FRAC_16_16(1, 8);
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 	int max_scale = FRAC_16_16(8, 1);
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-	if (!crtc || !fb)
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+	if (!crtc || WARN_ON(!fb))
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 		return 0;
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 	crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
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@@ -199,7 +195,6 @@
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 	u32 dst_x, dst_y, dst_w, dst_h;
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 	uint32_t format;
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 	int fmt;
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-	int num_planes;
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 	int i;
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 	if (!fb)
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@@ -218,13 +213,12 @@
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 	dst_h = drm_rect_height(dst);
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 	/* Set up data address registers for Y, Cb and Cr planes */
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-	num_planes = drm_format_num_planes(format);
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 	paddr_reg = layer + VL_Y;
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-	for (i = 0; i < num_planes; i++) {
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+	for (i = 0; i < fb->format->num_planes; i++) {
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 		cma_obj = drm_fb_cma_get_gem_obj(fb, i);
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 		paddr = cma_obj->paddr + fb->offsets[i];
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 		paddr += src_y * fb->pitches[i];
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-		paddr += src_x * drm_format_plane_cpp(format, i);
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+		paddr += src_x * fb->format->cpp[i];
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 		zx_writel(paddr_reg, paddr);
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 		paddr_reg += 4;
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 	}
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@@ -287,7 +281,7 @@
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 	struct drm_crtc *crtc = plane_state->crtc;
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 	struct drm_crtc_state *crtc_state;
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-	if (!crtc || !fb)
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+	if (!crtc || WARN_ON(!fb))
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 		return 0;
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 	crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state,
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@@ -446,7 +440,6 @@
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 static void zx_plane_destroy(struct drm_plane *plane)
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 {
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-	drm_plane_helper_disable(plane, NULL);
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 	drm_plane_cleanup(plane);
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 }
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