From 52e5d24fae4af6f2f4a5304a516c8c5ab347a11b Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 20 Jun 2008 00:19:42 -0700 Subject: [intel-gem] Add DRM_IOCTL_I915_GEM_SW_FINISH to flag CPU writes When a software fallback has completed, usermode must notify the kernel so that any scanout buffers can be synchronized. This ioctl should be called whenever a fallback completes to flush CPU and chipset caches. --- shared-core/i915_dma.c | 1 + shared-core/i915_drm.h | 9 +++++++++ shared-core/i915_drv.h | 2 ++ 3 files changed, 12 insertions(+) (limited to 'shared-core') diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 2db6be07..6ee3d19f 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1216,6 +1216,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0), + DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h index f16dc99f..fde474d7 100644 --- a/shared-core/i915_drm.h +++ b/shared-core/i915_drm.h @@ -189,6 +189,7 @@ typedef struct drm_i915_sarea { #define DRM_I915_GEM_PWRITE 0x1d #define DRM_I915_GEM_MMAP 0x1e #define DRM_I915_GEM_SET_DOMAIN 0x1f +#define DRM_I915_GEM_SW_FINISH 0x20 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -221,6 +222,7 @@ typedef struct drm_i915_sarea { #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) +#define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish) /* Asynchronous page flipping: */ @@ -501,6 +503,11 @@ struct drm_i915_gem_set_domain { uint32_t write_domain; }; +struct drm_i915_gem_sw_finish { + /** Handle for the object */ + uint32_t handle; +}; + struct drm_i915_gem_relocation_entry { /** * Handle of the buffer being pointed to by this relocation entry. @@ -565,6 +572,8 @@ struct drm_i915_gem_relocation_entry { #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010 /** Vertex address cache */ #define I915_GEM_DOMAIN_VERTEX 0x00000020 +/** GTT domain - aperture and scanout */ +#define I915_GEM_DOMAIN_GTT 0x00000040 /** @} */ struct drm_i915_gem_exec_object { diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 334bc43f..4d8a40d4 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -477,6 +477,8 @@ int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); int i915_gem_execbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_pin_ioctl(struct drm_device *dev, void *data, -- cgit v1.2.3