[Intel-gfx] [PATCH] drm/i915: Convert intel_overlay.c to use native drm_i915_private pointers

Tvrtko Ursulin tvrtko.ursulin at linux.intel.com
Thu May 12 12:15:43 UTC 2016


On 12/05/16 12:43, Chris Wilson wrote:
> Another day, another long overdue conversion. Not much to update inside
> intel_overlay.c, but still
>
>     text	   data	    bss	    dec	    hex	filename
> 6309547	3578778	 696320	10584645	 a18245	vmlinux
> 6309291	3578778	 696320	10584389	 a18145	vmlinux
>
> a couple of hundred bytes of pointer misdirection.
>
> Whilst here, rename the ioctl entry points to include the _ioctl suffix
> so that the user entry points are clear (following the idiom).
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>   drivers/gpu/drm/i915/i915_dma.c      |   4 +-
>   drivers/gpu/drm/i915/intel_display.c |   4 +-
>   drivers/gpu/drm/i915/intel_drv.h     |  12 ++--
>   drivers/gpu/drm/i915/intel_overlay.c | 132 ++++++++++++++++-------------------
>   4 files changed, 70 insertions(+), 82 deletions(-)
>

intel_setup_overlay might be tidier with a local variable for dev since 
it is used a good number of times, but either way:

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Regards,

Tvrtko

> diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
> index 0eadeb694fec..e42fa1769c10 100644
> --- a/drivers/gpu/drm/i915/i915_dma.c
> +++ b/drivers/gpu/drm/i915/i915_dma.c
> @@ -1623,8 +1623,8 @@ const struct drm_ioctl_desc i915_ioctls[] = {
>   	DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_RENDER_ALLOW),
>   	DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0),
>   	DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_RENDER_ALLOW),
> -	DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW),
> -	DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW),
> +	DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
> +	DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
>   	DRM_IOCTL_DEF_DRV(I915_SET_SPRITE_COLORKEY, intel_sprite_set_colorkey, DRM_MASTER|DRM_CONTROL_ALLOW),
>   	DRM_IOCTL_DEF_DRV(I915_GET_SPRITE_COLORKEY, drm_noop, DRM_MASTER|DRM_CONTROL_ALLOW),
>   	DRM_IOCTL_DEF_DRV(I915_GEM_WAIT, i915_gem_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index b60d9b67e033..d6211c3036c0 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -16025,7 +16025,7 @@ void intel_modeset_gem_init(struct drm_device *dev)
>
>   	intel_modeset_init_hw(dev);
>
> -	intel_setup_overlay(dev);
> +	intel_setup_overlay(dev_priv);
>
>   	/*
>   	 * Make sure any fbs we allocated at startup are properly
> @@ -16098,7 +16098,7 @@ void intel_modeset_cleanup(struct drm_device *dev)
>
>   	drm_mode_config_cleanup(dev);
>
> -	intel_cleanup_overlay(dev);
> +	intel_cleanup_overlay(dev_priv);
>
>   	intel_cleanup_gt_powersave(dev_priv);
>
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 1a3e69e5f9f5..0a9c10d65a13 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1435,13 +1435,13 @@ void intel_attach_aspect_ratio_property(struct drm_connector *connector);
>
>
>   /* intel_overlay.c */
> -void intel_setup_overlay(struct drm_device *dev);
> -void intel_cleanup_overlay(struct drm_device *dev);
> +void intel_setup_overlay(struct drm_i915_private *dev_priv);
> +void intel_cleanup_overlay(struct drm_i915_private *dev_priv);
>   int intel_overlay_switch_off(struct intel_overlay *overlay);
> -int intel_overlay_put_image(struct drm_device *dev, void *data,
> -			    struct drm_file *file_priv);
> -int intel_overlay_attrs(struct drm_device *dev, void *data,
> -			struct drm_file *file_priv);
> +int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
> +				  struct drm_file *file_priv);
> +int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
> +			      struct drm_file *file_priv);
>   void intel_overlay_reset(struct drm_i915_private *dev_priv);
>
>
> diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
> index 4a1e774ba8cc..b9b042cc619f 100644
> --- a/drivers/gpu/drm/i915/intel_overlay.c
> +++ b/drivers/gpu/drm/i915/intel_overlay.c
> @@ -168,7 +168,7 @@ struct overlay_registers {
>   };
>
>   struct intel_overlay {
> -	struct drm_device *dev;
> +	struct drm_i915_private *i915;
>   	struct intel_crtc *crtc;
>   	struct drm_i915_gem_object *vid_bo;
>   	struct drm_i915_gem_object *old_vid_bo;
> @@ -190,14 +190,13 @@ struct intel_overlay {
>   static struct overlay_registers __iomem *
>   intel_overlay_map_regs(struct intel_overlay *overlay)
>   {
> -	struct drm_i915_private *dev_priv = to_i915(overlay->dev);
> -	struct i915_ggtt *ggtt = &dev_priv->ggtt;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct overlay_registers __iomem *regs;
>
> -	if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
> +	if (OVERLAY_NEEDS_PHYSICAL(dev_priv))
>   		regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
>   	else
> -		regs = io_mapping_map_wc(ggtt->mappable,
> +		regs = io_mapping_map_wc(dev_priv->ggtt.mappable,
>   					 overlay->flip_addr,
>   					 PAGE_SIZE);
>
> @@ -207,7 +206,7 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
>   static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
>   				     struct overlay_registers __iomem *regs)
>   {
> -	if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
> +	if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915))
>   		io_mapping_unmap(regs);
>   }
>
> @@ -233,14 +232,13 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
>   /* overlay needs to be disable in OCMD reg */
>   static int intel_overlay_on(struct intel_overlay *overlay)
>   {
> -	struct drm_device *dev = overlay->dev;
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct intel_engine_cs *engine = &dev_priv->engine[RCS];
>   	struct drm_i915_gem_request *req;
>   	int ret;
>
>   	WARN_ON(overlay->active);
> -	WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
> +	WARN_ON(IS_I830(dev_priv) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
>
>   	req = i915_gem_request_alloc(engine, NULL);
>   	if (IS_ERR(req))
> @@ -267,8 +265,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
>   static int intel_overlay_continue(struct intel_overlay *overlay,
>   				  bool load_polyphase_filter)
>   {
> -	struct drm_device *dev = overlay->dev;
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct intel_engine_cs *engine = &dev_priv->engine[RCS];
>   	struct drm_i915_gem_request *req;
>   	u32 flip_addr = overlay->flip_addr;
> @@ -336,8 +333,7 @@ static void intel_overlay_off_tail(struct intel_overlay *overlay)
>   /* overlay needs to be disabled in OCMD reg */
>   static int intel_overlay_off(struct intel_overlay *overlay)
>   {
> -	struct drm_device *dev = overlay->dev;
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct intel_engine_cs *engine = &dev_priv->engine[RCS];
>   	struct drm_i915_gem_request *req;
>   	u32 flip_addr = overlay->flip_addr;
> @@ -366,7 +362,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
>   	intel_ring_emit(engine, flip_addr);
>   	intel_ring_emit(engine, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
>   	/* turn overlay off */
> -	if (IS_I830(dev)) {
> +	if (IS_I830(dev_priv)) {
>   		/* Workaround: Don't disable the overlay fully, since otherwise
>   		 * it dies on the next OVERLAY_ON cmd. */
>   		intel_ring_emit(engine, MI_NOOP);
> @@ -409,12 +405,11 @@ static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
>    */
>   static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
>   {
> -	struct drm_device *dev = overlay->dev;
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct intel_engine_cs *engine = &dev_priv->engine[RCS];
>   	int ret;
>
> -	WARN_ON(!mutex_is_locked(&dev->struct_mutex));
> +	lockdep_assert_held(&dev_priv->dev->struct_mutex);
>
>   	/* Only wait if there is actually an old frame to release to
>   	 * guarantee forward progress.
> @@ -538,10 +533,10 @@ static int uv_vsubsampling(u32 format)
>   	}
>   }
>
> -static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width)
> +static u32 calc_swidthsw(struct drm_i915_private *dev_priv, u32 offset, u32 width)
>   {
>   	u32 mask, shift, ret;
> -	if (IS_GEN2(dev)) {
> +	if (IS_GEN2(dev_priv)) {
>   		mask = 0x1f;
>   		shift = 5;
>   	} else {
> @@ -549,7 +544,7 @@ static u32 calc_swidthsw(struct drm_device *dev, u32 offset, u32 width)
>   		shift = 6;
>   	}
>   	ret = ((offset + width + mask) >> shift) - (offset >> shift);
> -	if (!IS_GEN2(dev))
> +	if (!IS_GEN2(dev_priv))
>   		ret <<= 1;
>   	ret -= 1;
>   	return ret << 2;
> @@ -742,12 +737,12 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>   	int ret, tmp_width;
>   	struct overlay_registers __iomem *regs;
>   	bool scale_changed = false;
> -	struct drm_device *dev = overlay->dev;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	u32 swidth, swidthsw, sheight, ostride;
>   	enum pipe pipe = overlay->crtc->pipe;
>
> -	WARN_ON(!mutex_is_locked(&dev->struct_mutex));
> -	WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
> +	lockdep_assert_held(&dev_priv->dev->struct_mutex);
> +	WARN_ON(!drm_modeset_is_locked(&dev_priv->dev->mode_config.connection_mutex));
>
>   	ret = intel_overlay_release_old_vid(overlay);
>   	if (ret != 0)
> @@ -770,7 +765,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>   			goto out_unpin;
>   		}
>   		oconfig = OCONF_CC_OUT_8BIT;
> -		if (IS_GEN4(overlay->dev))
> +		if (IS_GEN4(dev_priv))
>   			oconfig |= OCONF_CSC_MODE_BT709;
>   		oconfig |= pipe == 0 ?
>   			OCONF_PIPE_A : OCONF_PIPE_B;
> @@ -797,7 +792,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>   		tmp_width = params->src_w;
>
>   	swidth = params->src_w;
> -	swidthsw = calc_swidthsw(overlay->dev, params->offset_Y, tmp_width);
> +	swidthsw = calc_swidthsw(dev_priv, params->offset_Y, tmp_width);
>   	sheight = params->src_h;
>   	iowrite32(i915_gem_obj_ggtt_offset(new_bo) + params->offset_Y, &regs->OBUF_0Y);
>   	ostride = params->stride_Y;
> @@ -807,9 +802,9 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>   		int uv_vscale = uv_vsubsampling(params->format);
>   		u32 tmp_U, tmp_V;
>   		swidth |= (params->src_w/uv_hscale) << 16;
> -		tmp_U = calc_swidthsw(overlay->dev, params->offset_U,
> +		tmp_U = calc_swidthsw(dev_priv, params->offset_U,
>   				      params->src_w/uv_hscale);
> -		tmp_V = calc_swidthsw(overlay->dev, params->offset_V,
> +		tmp_V = calc_swidthsw(dev_priv, params->offset_V,
>   				      params->src_w/uv_hscale);
>   		swidthsw |= max_t(u32, tmp_U, tmp_V) << 16;
>   		sheight |= (params->src_h/uv_vscale) << 16;
> @@ -841,8 +836,7 @@ static int intel_overlay_do_put_image(struct intel_overlay *overlay,
>   	overlay->old_vid_bo = overlay->vid_bo;
>   	overlay->vid_bo = new_bo;
>
> -	intel_frontbuffer_flip(dev,
> -			       INTEL_FRONTBUFFER_OVERLAY(pipe));
> +	intel_frontbuffer_flip(dev_priv->dev, INTEL_FRONTBUFFER_OVERLAY(pipe));
>
>   	return 0;
>
> @@ -853,12 +847,12 @@ out_unpin:
>
>   int intel_overlay_switch_off(struct intel_overlay *overlay)
>   {
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct overlay_registers __iomem *regs;
> -	struct drm_device *dev = overlay->dev;
>   	int ret;
>
> -	WARN_ON(!mutex_is_locked(&dev->struct_mutex));
> -	WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
> +	lockdep_assert_held(&dev_priv->dev->struct_mutex);
> +	WARN_ON(!drm_modeset_is_locked(&dev_priv->dev->mode_config.connection_mutex));
>
>   	ret = intel_overlay_recover_from_interrupt(overlay);
>   	if (ret != 0)
> @@ -898,15 +892,14 @@ static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
>
>   static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
>   {
> -	struct drm_device *dev = overlay->dev;
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	u32 pfit_control = I915_READ(PFIT_CONTROL);
>   	u32 ratio;
>
>   	/* XXX: This is not the same logic as in the xorg driver, but more in
>   	 * line with the intel documentation for the i965
>   	 */
> -	if (INTEL_INFO(dev)->gen >= 4) {
> +	if (INTEL_GEN(dev_priv) >= 4) {
>   		/* on i965 use the PGM reg to read out the autoscaler values */
>   		ratio = I915_READ(PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
>   	} else {
> @@ -949,7 +942,7 @@ static int check_overlay_scaling(struct put_image_params *rec)
>   	return 0;
>   }
>
> -static int check_overlay_src(struct drm_device *dev,
> +static int check_overlay_src(struct drm_i915_private *dev_priv,
>   			     struct drm_intel_overlay_put_image *rec,
>   			     struct drm_i915_gem_object *new_bo)
>   {
> @@ -960,7 +953,7 @@ static int check_overlay_src(struct drm_device *dev,
>   	u32 tmp;
>
>   	/* check src dimensions */
> -	if (IS_845G(dev) || IS_I830(dev)) {
> +	if (IS_845G(dev_priv) || IS_I830(dev_priv)) {
>   		if (rec->src_height > IMAGE_MAX_HEIGHT_LEGACY ||
>   		    rec->src_width  > IMAGE_MAX_WIDTH_LEGACY)
>   			return -EINVAL;
> @@ -1012,14 +1005,14 @@ static int check_overlay_src(struct drm_device *dev,
>   		return -EINVAL;
>
>   	/* stride checking */
> -	if (IS_I830(dev) || IS_845G(dev))
> +	if (IS_I830(dev_priv) || IS_845G(dev_priv))
>   		stride_mask = 255;
>   	else
>   		stride_mask = 63;
>
>   	if (rec->stride_Y & stride_mask || rec->stride_UV & stride_mask)
>   		return -EINVAL;
> -	if (IS_GEN4(dev) && rec->stride_Y < 512)
> +	if (IS_GEN4(dev_priv) && rec->stride_Y < 512)
>   		return -EINVAL;
>
>   	tmp = (rec->flags & I915_OVERLAY_TYPE_MASK) == I915_OVERLAY_YUV_PLANAR ?
> @@ -1064,13 +1057,13 @@ static int check_overlay_src(struct drm_device *dev,
>    * Return the pipe currently connected to the panel fitter,
>    * or -1 if the panel fitter is not present or not in use
>    */
> -static int intel_panel_fitter_pipe(struct drm_device *dev)
> +static int intel_panel_fitter_pipe(struct drm_i915_private *dev_priv)
>   {
> -	struct drm_i915_private *dev_priv = dev->dev_private;
>   	u32  pfit_control;
>
>   	/* i830 doesn't have a panel fitter */
> -	if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
> +	if (INTEL_GEN(dev_priv) <= 3 &&
> +	    (IS_I830(dev_priv) || !IS_MOBILE(dev_priv)))
>   		return -1;
>
>   	pfit_control = I915_READ(PFIT_CONTROL);
> @@ -1080,15 +1073,15 @@ static int intel_panel_fitter_pipe(struct drm_device *dev)
>   		return -1;
>
>   	/* 965 can place panel fitter on either pipe */
> -	if (IS_GEN4(dev))
> +	if (IS_GEN4(dev_priv))
>   		return (pfit_control >> 29) & 0x3;
>
>   	/* older chips can only use pipe 1 */
>   	return 1;
>   }
>
> -int intel_overlay_put_image(struct drm_device *dev, void *data,
> -			    struct drm_file *file_priv)
> +int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data,
> +				  struct drm_file *file_priv)
>   {
>   	struct drm_intel_overlay_put_image *put_image_rec = data;
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> @@ -1163,7 +1156,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
>
>   		/* line too wide, i.e. one-line-mode */
>   		if (mode->hdisplay > 1024 &&
> -		    intel_panel_fitter_pipe(dev) == crtc->pipe) {
> +		    intel_panel_fitter_pipe(dev_priv) == crtc->pipe) {
>   			overlay->pfit_active = true;
>   			update_pfit_vscale_ratio(overlay);
>   		} else
> @@ -1197,7 +1190,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
>   		goto out_unlock;
>   	}
>
> -	ret = check_overlay_src(dev, put_image_rec, new_bo);
> +	ret = check_overlay_src(dev_priv, put_image_rec, new_bo);
>   	if (ret != 0)
>   		goto out_unlock;
>   	params->format = put_image_rec->flags & ~I915_OVERLAY_FLAGS_MASK;
> @@ -1285,8 +1278,8 @@ static int check_gamma(struct drm_intel_overlay_attrs *attrs)
>   	return 0;
>   }
>
> -int intel_overlay_attrs(struct drm_device *dev, void *data,
> -			struct drm_file *file_priv)
> +int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data,
> +			      struct drm_file *file_priv)
>   {
>   	struct drm_intel_overlay_attrs *attrs = data;
>   	struct drm_i915_private *dev_priv = dev->dev_private;
> @@ -1310,7 +1303,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
>   		attrs->contrast   = overlay->contrast;
>   		attrs->saturation = overlay->saturation;
>
> -		if (!IS_GEN2(dev)) {
> +		if (!IS_GEN2(dev_priv)) {
>   			attrs->gamma0 = I915_READ(OGAMC0);
>   			attrs->gamma1 = I915_READ(OGAMC1);
>   			attrs->gamma2 = I915_READ(OGAMC2);
> @@ -1342,7 +1335,7 @@ int intel_overlay_attrs(struct drm_device *dev, void *data,
>   		intel_overlay_unmap_regs(overlay, regs);
>
>   		if (attrs->flags & I915_OVERLAY_UPDATE_GAMMA) {
> -			if (IS_GEN2(dev))
> +			if (IS_GEN2(dev_priv))
>   				goto out_unlock;
>
>   			if (overlay->active) {
> @@ -1372,37 +1365,36 @@ out_unlock:
>   	return ret;
>   }
>
> -void intel_setup_overlay(struct drm_device *dev)
> +void intel_setup_overlay(struct drm_i915_private *dev_priv)
>   {
> -	struct drm_i915_private *dev_priv = dev->dev_private;
>   	struct intel_overlay *overlay;
>   	struct drm_i915_gem_object *reg_bo;
>   	struct overlay_registers __iomem *regs;
>   	int ret;
>
> -	if (!HAS_OVERLAY(dev))
> +	if (!HAS_OVERLAY(dev_priv))
>   		return;
>
>   	overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
>   	if (!overlay)
>   		return;
>
> -	mutex_lock(&dev->struct_mutex);
> +	mutex_lock(&dev_priv->dev->struct_mutex);
>   	if (WARN_ON(dev_priv->overlay))
>   		goto out_free;
>
> -	overlay->dev = dev;
> +	overlay->i915 = dev_priv;
>
>   	reg_bo = NULL;
> -	if (!OVERLAY_NEEDS_PHYSICAL(dev))
> -		reg_bo = i915_gem_object_create_stolen(dev, PAGE_SIZE);
> +	if (!OVERLAY_NEEDS_PHYSICAL(dev_priv))
> +		reg_bo = i915_gem_object_create_stolen(dev_priv->dev, PAGE_SIZE);
>   	if (reg_bo == NULL)
> -		reg_bo = i915_gem_object_create(dev, PAGE_SIZE);
> +		reg_bo = i915_gem_object_create(dev_priv->dev, PAGE_SIZE);
>   	if (IS_ERR(reg_bo))
>   		goto out_free;
>   	overlay->reg_bo = reg_bo;
>
> -	if (OVERLAY_NEEDS_PHYSICAL(dev)) {
> +	if (OVERLAY_NEEDS_PHYSICAL(dev_priv)) {
>   		ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE);
>   		if (ret) {
>   			DRM_ERROR("failed to attach phys overlay regs\n");
> @@ -1442,25 +1434,23 @@ void intel_setup_overlay(struct drm_device *dev)
>   	intel_overlay_unmap_regs(overlay, regs);
>
>   	dev_priv->overlay = overlay;
> -	mutex_unlock(&dev->struct_mutex);
> +	mutex_unlock(&dev_priv->dev->struct_mutex);
>   	DRM_INFO("initialized overlay support\n");
>   	return;
>
>   out_unpin_bo:
> -	if (!OVERLAY_NEEDS_PHYSICAL(dev))
> +	if (!OVERLAY_NEEDS_PHYSICAL(dev_priv))
>   		i915_gem_object_ggtt_unpin(reg_bo);
>   out_free_bo:
>   	drm_gem_object_unreference(&reg_bo->base);
>   out_free:
> -	mutex_unlock(&dev->struct_mutex);
> +	mutex_unlock(&dev_priv->dev->struct_mutex);
>   	kfree(overlay);
>   	return;
>   }
>
> -void intel_cleanup_overlay(struct drm_device *dev)
> +void intel_cleanup_overlay(struct drm_i915_private *dev_priv)
>   {
> -	struct drm_i915_private *dev_priv = dev->dev_private;
> -
>   	if (!dev_priv->overlay)
>   		return;
>
> @@ -1483,17 +1473,16 @@ struct intel_overlay_error_state {
>   static struct overlay_registers __iomem *
>   intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
>   {
> -	struct drm_i915_private *dev_priv = to_i915(overlay->dev);
> -	struct i915_ggtt *ggtt = &dev_priv->ggtt;
> +	struct drm_i915_private *dev_priv = overlay->i915;
>   	struct overlay_registers __iomem *regs;
>
> -	if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
> +	if (OVERLAY_NEEDS_PHYSICAL(dev_priv))
>   		/* Cast to make sparse happy, but it's wc memory anyway, so
>   		 * equivalent to the wc io mapping on X86. */
>   		regs = (struct overlay_registers __iomem *)
>   			overlay->reg_bo->phys_handle->vaddr;
>   	else
> -		regs = io_mapping_map_atomic_wc(ggtt->mappable,
> +		regs = io_mapping_map_atomic_wc(dev_priv->ggtt.mappable,
>   						overlay->flip_addr);
>
>   	return regs;
> @@ -1502,11 +1491,10 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
>   static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay,
>   					struct overlay_registers __iomem *regs)
>   {
> -	if (!OVERLAY_NEEDS_PHYSICAL(overlay->dev))
> +	if (!OVERLAY_NEEDS_PHYSICAL(overlay->i915))
>   		io_mapping_unmap_atomic(regs);
>   }
>
> -
>   struct intel_overlay_error_state *
>   intel_overlay_capture_error_state(struct drm_i915_private *dev_priv)
>   {
>


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