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From: Icenowy Zheng <zhengxingda@iscas.ac.cn>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Icenowy Zheng <uwu@icenowy.me>, Han Gao <rabenda.cn@gmail.com>,
	Icenowy Zheng <zhengxingda@iscas.ac.cn>
Subject: [PATCH -next 1/2] drm: verisilicon: add max cursor size to HWDB
Date: Mon,  9 Mar 2026 16:53:01 +0800	[thread overview]
Message-ID: <20260309085302.3132732-2-zhengxingda@iscas.ac.cn> (raw)
In-Reply-To: <20260309085302.3132732-1-zhengxingda@iscas.ac.cn>

Different display controller variants support different maximum cursor
size. All known DC8200 variants support both 32x32 and 64x64, but some
DC8000 variants support either only 32x32 or up to 256x256.

The minimum size is fixed at 32 and only PoT square sizes are supported.

Add the max cursor size field to HWDB and fill all entries with 64.

Signed-off-by: Icenowy Zheng <zhengxingda@iscas.ac.cn>
---
 drivers/gpu/drm/verisilicon/vs_hwdb.c | 4 ++++
 drivers/gpu/drm/verisilicon/vs_hwdb.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/verisilicon/vs_hwdb.c b/drivers/gpu/drm/verisilicon/vs_hwdb.c
index 09336af0900ae..2a0f7c59afa3a 100644
--- a/drivers/gpu/drm/verisilicon/vs_hwdb.c
+++ b/drivers/gpu/drm/verisilicon/vs_hwdb.c
@@ -95,6 +95,7 @@ static struct vs_chip_identity vs_chip_identities[] = {
 		.customer_id = ~0U,
 
 		.display_count = 2,
+		.max_cursor_size = 64,
 		.formats = &vs_formats_no_yuv444,
 	},
 	{
@@ -103,6 +104,7 @@ static struct vs_chip_identity vs_chip_identities[] = {
 		.customer_id = 0x30B,
 
 		.display_count = 2,
+		.max_cursor_size = 64,
 		.formats = &vs_formats_no_yuv444,
 	},
 	{
@@ -111,6 +113,7 @@ static struct vs_chip_identity vs_chip_identities[] = {
 		.customer_id = 0x310,
 
 		.display_count = 2,
+		.max_cursor_size = 64,
 		.formats = &vs_formats_with_yuv444,
 	},
 	{
@@ -119,6 +122,7 @@ static struct vs_chip_identity vs_chip_identities[] = {
 		.customer_id = 0x311,
 
 		.display_count = 2,
+		.max_cursor_size = 64,
 		.formats = &vs_formats_no_yuv444,
 	},
 };
diff --git a/drivers/gpu/drm/verisilicon/vs_hwdb.h b/drivers/gpu/drm/verisilicon/vs_hwdb.h
index 92192e4fa0862..c54c9326c1681 100644
--- a/drivers/gpu/drm/verisilicon/vs_hwdb.h
+++ b/drivers/gpu/drm/verisilicon/vs_hwdb.h
@@ -20,6 +20,7 @@ struct vs_chip_identity {
 	u32 customer_id;
 
 	u32 display_count;
+	int32_t max_cursor_size;
 	const struct vs_formats *formats;
 };
 
-- 
2.52.0


  reply	other threads:[~2026-03-09  8:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-09  8:53 [PATCH -next 0/2] drm: verisilicon: add hardware cursor support Icenowy Zheng
2026-03-09  8:53 ` Icenowy Zheng [this message]
2026-03-10  2:36   ` Claude review: drm: verisilicon: add max cursor size to HWDB Claude Code Review Bot
2026-03-09  8:53 ` [PATCH -next 2/2] drm: verisilicon: add support for cursor planes Icenowy Zheng
2026-03-10  2:36   ` Claude review: " Claude Code Review Bot
2026-03-10  2:36 ` Claude review: drm: verisilicon: add hardware cursor support Claude Code Review Bot

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