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From: "Michel Dänzer" <michel@daenzer.net>
To: dri-devel@lists.freedesktop.org
Subject: [PATCH libdrm v2 1/2] headers: Sync drm{,_mode}.h with the kernel
Date: Thu, 13 Oct 2016 17:04:35 +0900	[thread overview]
Message-ID: <20161013080436.16041-1-michel@daenzer.net> (raw)
In-Reply-To: <20161012094159.24842-1-michel@daenzer.net>

From: Michel Dänzer <michel.daenzer@amd.com>

Generated using make headers_install, based on linus master commit
b67be92feb486f800d80d72c67fd87b47b79b18e.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
---
 include/drm/drm.h      | 17 +++++++++++++++++
 include/drm/drm_mode.h | 49 ++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 63 insertions(+), 3 deletions(-)

diff --git a/include/drm/drm.h b/include/drm/drm.h
index b4ebaa9..f6fd5c2 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -59,6 +59,10 @@ typedef unsigned long drm_handle_t;
 
 #endif
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_NAME	"drm"	  /**< Name in kernel, /dev, and /proc */
 #define DRM_MIN_ORDER	5	  /**< At least 2^5 bytes = 32 bytes */
 #define DRM_MAX_ORDER	22	  /**< Up to 2^22 bytes = 4MB */
@@ -636,6 +640,7 @@ struct drm_gem_open {
 #define DRM_CAP_CURSOR_WIDTH		0x8
 #define DRM_CAP_CURSOR_HEIGHT		0x9
 #define DRM_CAP_ADDFB2_MODIFIERS	0x10
+#define DRM_CAP_PAGE_FLIP_TARGET	0x11
 
 /** DRM_IOCTL_GET_CAP ioctl argument type */
 struct drm_get_cap {
@@ -685,8 +690,16 @@ struct drm_prime_handle {
 	__s32 fd;
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #include "drm_mode.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_IOCTL_BASE			'd'
 #define DRM_IO(nr)			_IO(DRM_IOCTL_BASE,nr)
 #define DRM_IOR(nr,type)		_IOR(DRM_IOCTL_BASE,nr,type)
@@ -878,4 +891,8 @@ typedef struct drm_agp_info drm_agp_info_t;
 typedef struct drm_scatter_gather drm_scatter_gather_t;
 typedef struct drm_set_version drm_set_version_t;
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 7a7856e..df0e350 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -29,6 +29,10 @@
 
 #include "drm.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 #define DRM_DISPLAY_INFO_LEN	32
 #define DRM_CONNECTOR_NAME_LEN	32
 #define DRM_DISPLAY_MODE_LEN	32
@@ -202,6 +206,7 @@ struct drm_mode_get_plane_res {
 #define DRM_MODE_ENCODER_VIRTUAL 5
 #define DRM_MODE_ENCODER_DSI	6
 #define DRM_MODE_ENCODER_DPMST	7
+#define DRM_MODE_ENCODER_DPI	8
 
 struct drm_mode_get_encoder {
 	__u32 encoder_id;
@@ -241,6 +246,7 @@ struct drm_mode_get_encoder {
 #define DRM_MODE_CONNECTOR_eDP		14
 #define DRM_MODE_CONNECTOR_VIRTUAL      15
 #define DRM_MODE_CONNECTOR_DSI		16
+#define DRM_MODE_CONNECTOR_DPI		17
 
 struct drm_mode_get_connector {
 
@@ -514,7 +520,13 @@ struct drm_color_lut {
 
 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
-#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
+#define DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE 0x4
+#define DRM_MODE_PAGE_FLIP_TARGET_RELATIVE 0x8
+#define DRM_MODE_PAGE_FLIP_TARGET (DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE | \
+				   DRM_MODE_PAGE_FLIP_TARGET_RELATIVE)
+#define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT | \
+				  DRM_MODE_PAGE_FLIP_ASYNC | \
+				  DRM_MODE_PAGE_FLIP_TARGET)
 
 /*
  * Request a page flip on the specified crtc.
@@ -537,8 +549,7 @@ struct drm_color_lut {
  * 'as soon as possible', meaning that it not delay waiting for vblank.
  * This may cause tearing on the screen.
  *
- * The reserved field must be zero until we figure out something
- * clever to use it for.
+ * The reserved field must be zero.
  */
 
 struct drm_mode_crtc_page_flip {
@@ -549,6 +560,34 @@ struct drm_mode_crtc_page_flip {
 	__u64 user_data;
 };
 
+/*
+ * Request a page flip on the specified crtc.
+ *
+ * Same as struct drm_mode_crtc_page_flip, but supports new flags and
+ * re-purposes the reserved field:
+ *
+ * The sequence field must be zero unless either of the
+ * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is specified. When
+ * the ABSOLUTE flag is specified, the sequence field denotes the absolute
+ * vblank sequence when the flip should take effect. When the RELATIVE
+ * flag is specified, the sequence field denotes the relative (to the
+ * current one when the ioctl is called) vblank sequence when the flip
+ * should take effect. NOTE: DRM_IOCTL_WAIT_VBLANK must still be used to
+ * make sure the vblank sequence before the target one has passed before
+ * calling this ioctl. The purpose of the
+ * DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags is merely to clarify
+ * the target for when code dealing with a page flip runs during a
+ * vertical blank period.
+ */
+
+struct drm_mode_crtc_page_flip_target {
+	__u32 crtc_id;
+	__u32 fb_id;
+	__u32 flags;
+	__u32 sequence;
+	__u64 user_data;
+};
+
 /* create a dumb scanout buffer */
 struct drm_mode_create_dumb {
 	__u32 height;
@@ -621,4 +660,8 @@ struct drm_mode_destroy_blob {
 	__u32 blob_id;
 };
 
+#if defined(__cplusplus)
+}
+#endif
+
 #endif
-- 
2.9.3

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  parent reply	other threads:[~2016-10-13  8:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-12  9:41 [PATCH libdrm] Add support for DRM_MODE_PAGE_FLIP_TARGET_* flags Michel Dänzer
2016-10-12 15:54 ` Emil Velikov
2016-10-13  8:07   ` Michel Dänzer
2016-10-13  8:04 ` Michel Dänzer [this message]
2016-10-13  8:04   ` [PATCH libdrm v2 2/2] Add drmModePageFlipTarget Michel Dänzer
2016-10-17  6:09     ` Daniel Vetter
2017-04-04 17:12 [PATCH libdrm 2/2] Add CRTC ID to vblank event Emil Velikov
2017-04-04 20:49 ` [PATCH libdrm v2 1/2] Headers: Sync drm{,_mode}.h with the kernel Daniel Stone

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