linux-kernel - [PATCH v1 v1 4/7] drm/fourcc: Add drm/vs tiled modifiers

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Message-ID: <20230801101030.2040-5-keith.zhao@starfivetech.com>
Date:   Tue, 1 Aug 2023 18:10:27 +0800
From:   Keith Zhao <keith.zhao@...rfivetech.com>
To:     <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-media@...r.kernel.org>, <linaro-mm-sig@...ts.linaro.org>
CC:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        "Rob Herring" <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Emil Renner Berthing" <kernel@...il.dk>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        <christian.koenig@....com>, Bjorn Andersson <andersson@...nel.org>,
        "Heiko Stuebner" <heiko@...ech.de>,
        Shawn Guo <shawnguo@...nel.org>, Jagan Teki <jagan@...eble.ai>,
        Chris Morgan <macromorgan@...mail.com>,
        Keith Zhao <keith.zhao@...rfivetech.com>,
        Jack Zhu <jack.zhu@...rfivetech.com>,
        Shengyang Chen <shengyang.chen@...rfivetech.com>,
        Changhuang Liang <changhuang.liang@...rfivetech.com>
Subject: [PATCH v1 v1 4/7] drm/fourcc: Add drm/vs tiled modifiers

These are mainly used internally in vs-drm,
I'm not sure if the new modifiers can be used with the existing ones.
If there is a problem, I will improve it further.

Signed-off-by: Keith Zhao <keith.zhao@...rfivetech.com>
---
 include/uapi/drm/drm_fourcc.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8db7fd3f7..0b884cf50 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -419,6 +419,7 @@ extern "C" {
 #define DRM_FORMAT_MOD_VENDOR_ARM     0x08
 #define DRM_FORMAT_MOD_VENDOR_ALLWINNER 0x09
 #define DRM_FORMAT_MOD_VENDOR_AMLOGIC 0x0a
+#define DRM_FORMAT_MOD_VENDOR_VS      0x0b
 
 /* add more to the end as needed */
 
@@ -1562,6 +1563,32 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
 #define AMD_FMT_MOD_CLEAR(field) \
 	(~((__u64)AMD_FMT_MOD_##field##_MASK << AMD_FMT_MOD_##field##_SHIFT))
 
+#define DRM_FORMAT_MOD_VS_TYPE_NORMAL        0x00
+#define DRM_FORMAT_MOD_VS_TYPE_COMPRESSED    0x01
+#define DRM_FORMAT_MOD_VS_TYPE_CUSTOM_10BIT  0x02
+#define DRM_FORMAT_MOD_VS_TYPE_MASK     ((__u64)0x3 << 54)
+
+#define fourcc_mod_vs_code(type, val) \
+	fourcc_mod_code(VS, ((((__u64)type) << 54) | (val)))
+
+#define DRM_FORMAT_MOD_VS_NORM_MODE_MASK        0x1F
+#define DRM_FORMAT_MOD_VS_LINEAR                0x00
+#define DRM_FORMAT_MOD_VS_SUPER_TILED_XMAJOR    0x02
+#define DRM_FORMAT_MOD_VS_SUPER_TILED_YMAJOR    0x03
+#define DRM_FORMAT_MOD_VS_TILE_8X8              0x04
+#define DRM_FORMAT_MOD_VS_TILE_8X4              0x07
+#define DRM_FORMAT_MOD_VS_SUPER_TILED_XMAJOR_8X4    0x0B
+#define DRM_FORMAT_MOD_VS_SUPER_TILED_YMAJOR_4X8    0x0C
+#define DRM_FORMAT_MOD_VS_TILE_MODE4X4          0x15
+
+#define fourcc_mod_vs_norm_code(tile) \
+	fourcc_mod_vs_code(DRM_FORMAT_MOD_VS_TYPE_NORMAL, \
+				(tile))
+
+#define fourcc_mod_vs_custom_code(tile) \
+	fourcc_mod_vs_code(DRM_FORMAT_MOD_VS_TYPE_CUSTOM_10BIT, \
+				(tile))
+
 #if defined(__cplusplus)
 }
 #endif
-- 
2.34.1