From: Tina Zhang <tina.zhang@intel.com>
To: alex.williamson@redhat.com, kraxel@redhat.com,
chris@chris-wilson.co.uk, joonas.lahtinen@linux.intel.com,
zhenyuw@linux.intel.com, zhiyuan.lv@intel.com,
zhi.a.wang@intel.com, kevin.tian@intel.com, daniel@ffwll.ch,
kwankhede@nvidia.com, hang.yuan@intel.com
Cc: "Tina Zhang" <tina.zhang@intel.com>,
intel-gfx@lists.freedesktop.org,
intel-gvt-dev@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Dave Airlie" <airlied@redhat.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>
Subject: [PATCH v17 2/6] drm: Introduce RGB 64-bit 16:16:16:16 float format
Date: Thu, 9 Nov 2017 17:33:58 +0800 [thread overview]
Message-ID: <1510220042-4931-3-git-send-email-tina.zhang@intel.com> (raw)
In-Reply-To: <1510220042-4931-1-git-send-email-tina.zhang@intel.com>
The RGB 64-bit 16:16:16:16 float pixel format is needed by some Apps in
windows. The float format in each component is 1:5:10 MSb-sign:exponent:
fraction.
This patch is to introduce the format to drm, so that the windows guest's
framebuffer in this kind of format can be recognized and used by linux
host.
v14:
- add some details about the float pixel format. (Daniel)
- add F suffix to the defined name. (Daniel)
v12:
- send to dri-devel at lists.freedesktop.org. (Ville)
v9:
- separated from framebuffer decoder patch. (Zhenyu) (Xiaoguang)
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
---
include/uapi/drm/drm_fourcc.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 3ad838d..391d2e6 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -113,6 +113,10 @@ extern "C" {
#define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
+/* 64 bpp RGB 16:16:16:16 Floating Point */
+#define DRM_FORMAT_XRGB161616F fourcc_code('X', 'R', '3', 'F') /* [63:0] x:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_XBGR161616F fourcc_code('X', 'B', '3', 'F') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
/*
* 2 plane RGB + A
* index 0 = RGB plane, same format as the corresponding non _A8 format has
--
2.7.4
next prev parent reply other threads:[~2017-11-09 9:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-09 9:33 [PATCH v17 0/6] drm/i915/gvt: Dma-buf support for GVT-g Tina Zhang
2017-11-09 9:33 ` [PATCH v17 1/6] drm/i915/gvt: Add framebuffer decoder support Tina Zhang
2017-11-09 9:33 ` Tina Zhang [this message]
2017-11-09 9:33 ` [PATCH v17 3/6] drm/i915/gvt: Add RGB 64-bit 16:16:16:16 float format Tina Zhang
2017-11-09 9:34 ` [PATCH v17 4/6] drm/i915/gvt: Add opregion support Tina Zhang
2017-11-09 9:34 ` [PATCH v17 5/6] vfio: ABI for mdev display dma-buf operation Tina Zhang
2017-11-09 15:29 ` Alex Williamson
2017-11-09 18:35 ` Gerd Hoffmann
2017-11-09 20:54 ` Alex Williamson
2017-11-10 7:02 ` Gerd Hoffmann
2017-11-11 2:04 ` Zhang, Tina
2017-11-09 9:34 ` [PATCH v17 6/6] drm/i915/gvt: Dmabuf support for GVT-g Tina Zhang
2017-11-09 14:09 ` [PATCH v17 0/6] drm/i915/gvt: Dma-buf " Gerd Hoffmann
2017-11-09 23:19 ` Zhang, Tina
2017-11-09 23:27 ` Zhang, Tina
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