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authorEric Anholt <eric@anholt.net>2009-12-01 09:01:54 -0800
committerEric Anholt <eric@anholt.net>2009-12-01 09:01:54 -0800
commitf40d6817a5c2bf84f5fe7b5d1a83f1e8f8669951 (patch)
tree1c515a34a60f65cbfd3cf1a387427d0a9fdf878f /include/drm
parent103a196f4224dc6872081305cf7f82ebf67aa7bd (diff)
parent46557bef3f3834ac33031c7be27d39d90d507442 (diff)
downloadop-kernel-dev-f40d6817a5c2bf84f5fe7b5d1a83f1e8f8669951.zip
op-kernel-dev-f40d6817a5c2bf84f5fe7b5d1a83f1e8f8669951.tar.gz
Merge remote branch 'airlied/drm-next' into drm-intel-next
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm.h1
-rw-r--r--include/drm/drmP.h33
-rw-r--r--include/drm/drm_crtc.h16
-rw-r--r--include/drm/drm_mode.h33
4 files changed, 50 insertions, 33 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h
index fa6d915..3919a4f 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -687,6 +687,7 @@ struct drm_gem_open {
#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
#define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int)
+#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
/**
* Device specific ioctls should only be in their respective headers
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1b807d0..febf6c5 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -245,16 +245,6 @@ extern void drm_ut_debug_printk(unsigned int request_level,
#endif
-#define DRM_PROC_LIMIT (PAGE_SIZE-80)
-
-#define DRM_PROC_PRINT(fmt, arg...) \
- len += sprintf(&buf[len], fmt , ##arg); \
- if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; }
-
-#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \
- len += sprintf(&buf[len], fmt , ##arg); \
- if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; }
-
/*@}*/
/***********************************************************************/
@@ -265,19 +255,8 @@ extern void drm_ut_debug_printk(unsigned int request_level,
#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1))
#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x))
-#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist)
#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
-/**
- * Get the private SAREA mapping.
- *
- * \param _dev DRM device.
- * \param _ctx context number.
- * \param _map output mapping.
- */
-#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
- (_map) = (_dev)->context_sareas[_ctx]; \
-} while(0)
/**
* Test that the hardware lock is held by the caller, returning otherwise.
@@ -297,18 +276,6 @@ do { \
} while (0)
/**
- * Copy and IOCTL return string to user space
- */
-#define DRM_COPY( name, value ) \
- len = strlen( value ); \
- if ( len > name##_len ) len = name##_len; \
- name##_len = strlen( value ); \
- if ( len && name ) { \
- if ( copy_to_user( name, value, len ) ) \
- return -EFAULT; \
- }
-
-/**
* Ioctl function type.
*
* \param inode device inode.
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index bfcc60d..51d6136 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -290,6 +290,7 @@ struct drm_property {
struct drm_crtc;
struct drm_connector;
struct drm_encoder;
+struct drm_pending_vblank_event;
/**
* drm_crtc_funcs - control CRTCs for a given device
@@ -333,6 +334,19 @@ struct drm_crtc_funcs {
void (*destroy)(struct drm_crtc *crtc);
int (*set_config)(struct drm_mode_set *set);
+
+ /*
+ * Flip to the given framebuffer. This implements the page
+ * flip ioctl descibed in drm_mode.h, specifically, the
+ * implementation must return immediately and block all
+ * rendering to the current fb until the flip has completed.
+ * If userspace set the event flag in the ioctl, the event
+ * argument will point to an event to send back when the flip
+ * completes, otherwise it will be NULL.
+ */
+ int (*page_flip)(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event);
};
/**
@@ -757,6 +771,8 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
extern bool drm_detect_hdmi_monitor(struct edid *edid);
+extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
int hdisplay, int vdisplay, int vrefresh,
bool reduced, bool interlaced, bool margins);
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 1f90841..68ddc61 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -268,4 +268,37 @@ struct drm_mode_crtc_lut {
__u64 blue;
};
+#define DRM_MODE_PAGE_FLIP_EVENT 0x01
+#define DRM_MODE_PAGE_FLIP_FLAGS DRM_MODE_PAGE_FLIP_EVENT
+
+/*
+ * Request a page flip on the specified crtc.
+ *
+ * This ioctl will ask KMS to schedule a page flip for the specified
+ * crtc. Once any pending rendering targeting the specified fb (as of
+ * ioctl time) has completed, the crtc will be reprogrammed to display
+ * that fb after the next vertical refresh. The ioctl returns
+ * immediately, but subsequent rendering to the current fb will block
+ * in the execbuffer ioctl until the page flip happens. If a page
+ * flip is already pending as the ioctl is called, EBUSY will be
+ * returned.
+ *
+ * The ioctl supports one flag, DRM_MODE_PAGE_FLIP_EVENT, which will
+ * request that drm sends back a vblank event (see drm.h: struct
+ * drm_event_vblank) when the page flip is done. The user_data field
+ * passed in with this ioctl will be returned as the user_data field
+ * in the vblank event struct.
+ *
+ * The reserved field must be zero until we figure out something
+ * clever to use it for.
+ */
+
+struct drm_mode_crtc_page_flip {
+ __u32 crtc_id;
+ __u32 fb_id;
+ __u32 flags;
+ __u32 reserved;
+ __u64 user_data;
+};
+
#endif
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