linux-kernel - 回复: [PATCH] drm/komeda: add NV12 format to support writeback layer type

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Date:   Fri, 8 Sep 2023 08:11:44 +0000
From:   Liu Lucas/刘保柱 <lucas.liu@...ngine.com>
To:     Liu Lucas/刘保柱 <lucas.liu@...ngine.com>,
        "liviu.dudau@....com" <liviu.dudau@....com>,
        "airlied@...il.com" <airlied@...il.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 回复: [PATCH] drm/komeda: add NV12 format to support writeback layer type

Hi  all,

	Do you have any suggestions for the patch I submitted? Please also let me know, thank you!

Best Regards,
baozhu.liu
-----邮件原件-----
发件人: baozhu.liu <lucas.liu@...ngine.com> 
发送时间: 2023年8月29日 17:30
收件人: liviu.dudau@....com; airlied@...il.com; daniel@...ll.ch
抄送: dri-devel@...ts.freedesktop.org; linux-kernel@...r.kernel.org; Liu Lucas/刘保柱 <lucas.liu@...ngine.com>
主题: [PATCH] drm/komeda: add NV12 format to support writeback layer type

When testing the d71 writeback layer function, the output format is set to NV12, and the following error message is displayed:

[drm:komeda_fb_is_layer_supported] Layer TYPE: 4 doesn't support fb FMT: NV12 little-endian (0x3231564e) with modifier: 0x0..

Check the d71 data manual, writeback layer output formats includes NV12 format.

Signed-off-by: baozhu.liu <lucas.liu@...ngine.com>
---
 drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
index 6c56f5662bc7..80973975bfdb 100644
--- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
@@ -521,7 +521,7 @@ static struct komeda_format_caps d71_format_caps_table[] = {
 	{__HW_ID(5, 1),	DRM_FORMAT_YUYV,	RICH,		Rot_ALL_H_V,	LYT_NM, AFB_TH}, /* afbc */
 	{__HW_ID(5, 2),	DRM_FORMAT_YUYV,	RICH,		Flip_H_V,		0, 0},
 	{__HW_ID(5, 3),	DRM_FORMAT_UYVY,	RICH,		Flip_H_V,		0, 0},
-	{__HW_ID(5, 6),	DRM_FORMAT_NV12,	RICH,		Flip_H_V,		0, 0},
+	{__HW_ID(5, 6),	DRM_FORMAT_NV12,	RICH_WB,	Flip_H_V,		0, 0},
 	{__HW_ID(5, 6),	DRM_FORMAT_YUV420_8BIT,	RICH,		Rot_ALL_H_V,	LYT_NM, AFB_TH}, /* afbc */
 	{__HW_ID(5, 7),	DRM_FORMAT_YUV420,	RICH,		Flip_H_V,		0, 0},
 	/* YUV 10bit*/
--
2.17.1