diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 92 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 125 |
4 files changed, 120 insertions, 112 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 5cb1b1687cd4..b92521d70efc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -407,8 +407,9 @@ struct vmw_private { void *fb_info; enum vmw_display_unit_type active_display_unit; struct vmw_legacy_display *ldu_priv; - struct vmw_screen_object_display *sou_priv; struct vmw_overlay *overlay_priv; + unsigned num_implicit; + struct vmw_framebuffer *implicit_fb; /* * Context and surface management. diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 29bec974464c..26c2e9edb2b6 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -2095,3 +2095,95 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv, return 0; } + +/** + * vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer + * + * @dev_priv: Pointer to a device private struct. + * @du: The display unit of the crtc. + */ +void vmw_kms_del_active(struct vmw_private *dev_priv, + struct vmw_display_unit *du) +{ + lockdep_assert_held_once(&dev_priv->dev->mode_config.mutex); + + if (du->active_implicit) { + if (--(dev_priv->num_implicit) == 0) + dev_priv->implicit_fb = NULL; + du->active_implicit = false; + } +} + +/** + * vmw_kms_add_active - register a crtc binding to an implicit framebuffer + * + * @vmw_priv: Pointer to a device private struct. + * @du: The display unit of the crtc. + * @vfb: The implicit framebuffer + * + * Registers a binding to an implicit framebuffer. + */ +void vmw_kms_add_active(struct vmw_private *dev_priv, + struct vmw_display_unit *du, + struct vmw_framebuffer *vfb) +{ + lockdep_assert_held_once(&dev_priv->dev->mode_config.mutex); + + WARN_ON_ONCE(!dev_priv->num_implicit && dev_priv->implicit_fb); + + if (!du->active_implicit && du->is_implicit) { + dev_priv->implicit_fb = vfb; + du->active_implicit = true; + dev_priv->num_implicit++; + } +} + +/** + * vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc. + * + * @dev_priv: Pointer to device-private struct. + * @crtc: The crtc we want to flip. + * + * Returns true or false depending whether it's OK to flip this crtc + * based on the criterion that we must not have more than one implicit + * frame-buffer at any one time. + */ +bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv, + struct drm_crtc *crtc) +{ + struct vmw_display_unit *du = vmw_crtc_to_du(crtc); + + lockdep_assert_held_once(&dev_priv->dev->mode_config.mutex); + + if (!du->is_implicit) + return true; + + if (dev_priv->num_implicit != 1) + return false; + + return true; +} + +/** + * vmw_kms_update_implicit_fb - Update the implicit fb. + * + * @dev_priv: Pointer to device-private struct. + * @crtc: The crtc the new implicit frame-buffer is bound to. + */ +void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv, + struct drm_crtc *crtc) +{ + struct vmw_display_unit *du = vmw_crtc_to_du(crtc); + struct vmw_framebuffer *vfb; + + lockdep_assert_held_once(&dev_priv->dev->mode_config.mutex); + + if (!du->is_implicit) + return; + + vfb = vmw_framebuffer_to_vfb(crtc->primary->fb); + WARN_ON_ONCE(dev_priv->num_implicit != 1 && + dev_priv->implicit_fb != vfb); + + dev_priv->implicit_fb = vfb; +} diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index d41928c12a42..0b5c9ab4a2f8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -178,6 +178,7 @@ struct vmw_display_unit { int gui_x; int gui_y; bool is_implicit; + bool active_implicit; }; #define vmw_crtc_to_du(x) \ @@ -254,6 +255,17 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv, struct drm_crtc **p_crtc, struct drm_display_mode **p_mode); void vmw_guess_mode_timing(struct drm_display_mode *mode); +void vmw_kms_del_active(struct vmw_private *dev_priv, + struct vmw_display_unit *du); +void vmw_kms_add_active(struct vmw_private *dev_priv, + struct vmw_display_unit *du, + struct vmw_framebuffer *vfb); +bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv, + struct drm_crtc *crtc); +void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv, + struct drm_crtc *crtc); + + /* * Legacy display unit functions - vmwgfx_ldu.c diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c index c0de3b8d4e5d..c11b196bf35f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -74,19 +74,6 @@ struct vmw_kms_sou_dirty_cmd { SVGA3dCmdBlitSurfaceToScreen body; }; - -/* - * Other structs. - */ - -struct vmw_screen_object_display { - unsigned num_implicit; - - struct vmw_framebuffer *implicit_fb; - SVGAFifoCmdDefineGMRFB cur; - struct vmw_dma_buffer *pinned_gmrfb; -}; - /** * Display unit using screen objects. */ @@ -97,7 +84,6 @@ struct vmw_screen_object_unit { struct vmw_dma_buffer *buffer; /**< Backing store buffer */ bool defined; - bool active_implicit; }; static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) @@ -116,33 +102,6 @@ static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) vmw_sou_destroy(vmw_crtc_to_sou(crtc)); } -static void vmw_sou_del_active(struct vmw_private *vmw_priv, - struct vmw_screen_object_unit *sou) -{ - struct vmw_screen_object_display *ld = vmw_priv->sou_priv; - - if (sou->active_implicit) { - if (--(ld->num_implicit) == 0) - ld->implicit_fb = NULL; - sou->active_implicit = false; - } -} - -static void vmw_sou_add_active(struct vmw_private *vmw_priv, - struct vmw_screen_object_unit *sou, - struct vmw_framebuffer *vfb) -{ - struct vmw_screen_object_display *ld = vmw_priv->sou_priv; - - BUG_ON(!ld->num_implicit && ld->implicit_fb); - - if (!sou->active_implicit && sou->base.is_implicit) { - ld->implicit_fb = vfb; - sou->active_implicit = true; - ld->num_implicit++; - } -} - /** * Send the fifo command to create a screen. */ @@ -323,13 +282,13 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) return -EINVAL; } - /* sou only supports one fb active at the time */ + /* Only one active implicit frame-buffer at a time. */ if (sou->base.is_implicit && - dev_priv->sou_priv->implicit_fb && vfb && - !(dev_priv->sou_priv->num_implicit == 1 && - sou->active_implicit) && - dev_priv->sou_priv->implicit_fb != vfb) { - DRM_ERROR("Multiple framebuffers not supported\n"); + dev_priv->implicit_fb && vfb && + !(dev_priv->num_implicit == 1 && + sou->base.active_implicit) && + dev_priv->implicit_fb != vfb) { + DRM_ERROR("Multiple implicit framebuffers not supported.\n"); return -EINVAL; } @@ -351,7 +310,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) crtc->y = 0; crtc->enabled = false; - vmw_sou_del_active(dev_priv, sou); + vmw_kms_del_active(dev_priv, &sou->base); vmw_sou_backing_free(dev_priv, sou); @@ -415,7 +374,7 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) return ret; } - vmw_sou_add_active(dev_priv, sou, vfb); + vmw_kms_add_active(dev_priv, &sou->base, vfb); connector->encoder = encoder; encoder->crtc = crtc; @@ -428,39 +387,6 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set) return 0; } -/** - * Returns if this unit can be page flipped. - * Must be called with the mode_config mutex held. - */ -static bool vmw_sou_screen_object_flippable(struct vmw_private *dev_priv, - struct drm_crtc *crtc) -{ - struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); - - if (!sou->base.is_implicit) - return true; - - if (dev_priv->sou_priv->num_implicit != 1) - return false; - - return true; -} - -/** - * Update the implicit fb to the current fb of this crtc. - * Must be called with the mode_config mutex held. - */ -static void vmw_sou_update_implicit_fb(struct vmw_private *dev_priv, - struct drm_crtc *crtc) -{ - struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc); - - BUG_ON(!sou->base.is_implicit); - - dev_priv->sou_priv->implicit_fb = - vmw_framebuffer_to_vfb(sou->base.crtc.primary->fb); -} - static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, @@ -473,11 +399,7 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, struct drm_vmw_rect vclips; int ret; - /* require ScreenObject support for page flipping */ - if (!dev_priv->sou_priv) - return -ENOSYS; - - if (!vmw_sou_screen_object_flippable(dev_priv, crtc)) + if (!vmw_kms_crtc_flippable(dev_priv, crtc)) return -EINVAL; crtc->primary->fb = fb; @@ -522,7 +444,7 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc, vmw_fence_obj_unreference(&fence); if (vmw_crtc_to_du(crtc)->is_implicit) - vmw_sou_update_implicit_fb(dev_priv, crtc); + vmw_kms_update_implicit_fb(dev_priv, crtc); return ret; @@ -587,8 +509,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) encoder = &sou->base.encoder; connector = &sou->base.connector; - sou->active_implicit = false; - + sou->base.active_implicit = false; sou->base.pref_active = (unit == 0); sou->base.pref_width = dev_priv->initial_width; sou->base.pref_height = dev_priv->initial_height; @@ -623,11 +544,6 @@ int vmw_kms_sou_init_display(struct vmw_private *dev_priv) struct drm_device *dev = dev_priv->dev; int i, ret; - if (dev_priv->sou_priv) { - DRM_INFO("sou system already on\n"); - return -EINVAL; - } - if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { DRM_INFO("Not using screen objects," " missing cap SCREEN_OBJECT_2\n"); @@ -635,16 +551,12 @@ int vmw_kms_sou_init_display(struct vmw_private *dev_priv) } ret = -ENOMEM; - dev_priv->sou_priv = kmalloc(sizeof(*dev_priv->sou_priv), GFP_KERNEL); - if (unlikely(!dev_priv->sou_priv)) - goto err_no_mem; - - dev_priv->sou_priv->num_implicit = 0; - dev_priv->sou_priv->implicit_fb = NULL; + dev_priv->num_implicit = 0; + dev_priv->implicit_fb = NULL; ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); if (unlikely(ret != 0)) - goto err_free; + return ret; ret = drm_mode_create_dirty_info_property(dev); if (unlikely(ret != 0)) @@ -661,10 +573,6 @@ int vmw_kms_sou_init_display(struct vmw_private *dev_priv) err_vblank_cleanup: drm_vblank_cleanup(dev); -err_free: - kfree(dev_priv->sou_priv); - dev_priv->sou_priv = NULL; -err_no_mem: return ret; } @@ -672,13 +580,8 @@ int vmw_kms_sou_close_display(struct vmw_private *dev_priv) { struct drm_device *dev = dev_priv->dev; - if (!dev_priv->sou_priv) - return -ENOSYS; - drm_vblank_cleanup(dev); - kfree(dev_priv->sou_priv); - return 0; } |