Re: [PATCH] drm: BIT(DRM_ROTATE_?) -> DRM_ROTATE_?

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On Mon, Jul 25, 2016 at 10:00:25AM +0300, Joonas Lahtinen wrote:
> Only property creation uses the rotation as an index, so convert the
> #define to the more used BIT(DRM_ROTATE_?) form and use __builtin_ffs
> to figure the index when needed.
> 
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>

Patch lgtm

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Will conflict badly with my stuff, however.

> ---
>  drivers/gpu/drm/arm/malidp_drv.h                |  2 +-
>  drivers/gpu/drm/arm/malidp_planes.c             | 20 +++++++++---------
>  drivers/gpu/drm/armada/armada_overlay.c         |  2 +-
>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 22 +++++++++----------
>  drivers/gpu/drm/drm_atomic_helper.c             |  4 ++--
>  drivers/gpu/drm/drm_crtc.c                      | 24 ++++++++++-----------
>  drivers/gpu/drm/drm_fb_helper.c                 |  4 ++--
>  drivers/gpu/drm/drm_plane_helper.c              |  2 +-
>  drivers/gpu/drm/drm_rect.c                      | 28 ++++++++++++-------------
>  drivers/gpu/drm/i915/i915_debugfs.c             | 12 +++++------
>  drivers/gpu/drm/i915/intel_atomic_plane.c       |  2 +-
>  drivers/gpu/drm/i915/intel_display.c            | 28 ++++++++++++-------------
>  drivers/gpu/drm/i915/intel_drv.h                |  2 +-
>  drivers/gpu/drm/i915/intel_fbc.c                |  2 +-
>  drivers/gpu/drm/i915/intel_fbdev.c              |  6 +++---
>  drivers/gpu/drm/i915/intel_sprite.c             |  6 +++---
>  drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c       | 10 ++++-----
>  drivers/gpu/drm/omapdrm/omap_drv.c              |  6 +++---
>  drivers/gpu/drm/omapdrm/omap_fb.c               | 14 ++++++-------
>  drivers/gpu/drm/omapdrm/omap_plane.c            | 10 ++++-----
>  include/drm/drm_crtc.h                          | 12 +++++------
>  21 files changed, 109 insertions(+), 109 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/malidp_drv.h b/drivers/gpu/drm/arm/malidp_drv.h
> index 95558fd..271d2fb 100644
> --- a/drivers/gpu/drm/arm/malidp_drv.h
> +++ b/drivers/gpu/drm/arm/malidp_drv.h
> @@ -49,6 +49,6 @@ void malidp_de_planes_destroy(struct drm_device *drm);
>  int malidp_crtc_init(struct drm_device *drm);
>  
>  /* often used combination of rotational bits */
> -#define MALIDP_ROTATED_MASK	(BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))
> +#define MALIDP_ROTATED_MASK	(DRM_ROTATE_90 | DRM_ROTATE_270)
>  
>  #endif  /* __MALIDP_DRV_H__ */
> diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
> index 725098d..82c193e 100644
> --- a/drivers/gpu/drm/arm/malidp_planes.c
> +++ b/drivers/gpu/drm/arm/malidp_planes.c
> @@ -108,7 +108,7 @@ static int malidp_de_plane_check(struct drm_plane *plane,
>  		return -EINVAL;
>  
>  	/* packed RGB888 / BGR888 can't be rotated or flipped */
> -	if (state->rotation != BIT(DRM_ROTATE_0) &&
> +	if (state->rotation != DRM_ROTATE_0 &&
>  	    (state->fb->pixel_format == DRM_FORMAT_RGB888 ||
>  	     state->fb->pixel_format == DRM_FORMAT_BGR888))
>  		return -EINVAL;
> @@ -188,9 +188,9 @@ static void malidp_de_plane_update(struct drm_plane *plane,
>  	/* setup the rotation and axis flip bits */
>  	if (plane->state->rotation & DRM_ROTATE_MASK)
>  		val = ilog2(plane->state->rotation & DRM_ROTATE_MASK) << LAYER_ROT_OFFSET;
> -	if (plane->state->rotation & BIT(DRM_REFLECT_X))
> +	if (plane->state->rotation & DRM_REFLECT_X)
>  		val |= LAYER_V_FLIP;
> -	if (plane->state->rotation & BIT(DRM_REFLECT_Y))
> +	if (plane->state->rotation & DRM_REFLECT_Y)
>  		val |= LAYER_H_FLIP;
>  
>  	/* set the 'enable layer' bit */
> @@ -255,12 +255,12 @@ int malidp_de_planes_init(struct drm_device *drm)
>  			goto cleanup;
>  
>  		if (!drm->mode_config.rotation_property) {
> -			unsigned long flags = BIT(DRM_ROTATE_0) |
> -					      BIT(DRM_ROTATE_90) |
> -					      BIT(DRM_ROTATE_180) |
> -					      BIT(DRM_ROTATE_270) |
> -					      BIT(DRM_REFLECT_X) |
> -					      BIT(DRM_REFLECT_Y);
> +			unsigned long flags = DRM_ROTATE_0 |
> +					      DRM_ROTATE_90 |
> +					      DRM_ROTATE_180 |
> +					      DRM_ROTATE_270 |
> +					      DRM_REFLECT_X |
> +					      DRM_REFLECT_Y;
>  			drm->mode_config.rotation_property =
>  				drm_mode_create_rotation_property(drm, flags);
>  		}
> @@ -268,7 +268,7 @@ int malidp_de_planes_init(struct drm_device *drm)
>  		if (drm->mode_config.rotation_property && (id != DE_SMART))
>  			drm_object_attach_property(&plane->base.base,
>  						   drm->mode_config.rotation_property,
> -						   BIT(DRM_ROTATE_0));
> +						   DRM_ROTATE_0);
>  
>  		drm_plane_helper_add(&plane->base,
>  				     &malidp_de_plane_helper_funcs);
> diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c
> index 1ee707e..152b4e7 100644
> --- a/drivers/gpu/drm/armada/armada_overlay.c
> +++ b/drivers/gpu/drm/armada/armada_overlay.c
> @@ -121,7 +121,7 @@ armada_ovl_plane_update(struct drm_plane *plane, struct drm_crtc *crtc,
>  	int ret;
>  
>  	ret = drm_plane_helper_check_update(plane, crtc, fb, &src, &dest, &clip,
> -					    BIT(DRM_ROTATE_0),
> +					    DRM_ROTATE_0,
>  					    0, INT_MAX, true, false, &visible);
>  	if (ret)
>  		return ret;
> diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> index 016c191..146809a 100644
> --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
> @@ -393,7 +393,7 @@ static void atmel_hlcdc_plane_update_format(struct atmel_hlcdc_plane *plane,
>  
>  	if ((state->base.fb->pixel_format == DRM_FORMAT_YUV422 ||
>  	     state->base.fb->pixel_format == DRM_FORMAT_NV61) &&
> -	    (state->base.rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))))
> +	    (state->base.rotation & (DRM_ROTATE_90 | DRM_ROTATE_270)))
>  		cfg |= ATMEL_HLCDC_YUV422ROT;
>  
>  	atmel_hlcdc_layer_update_cfg(&plane->layer,
> @@ -628,7 +628,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  	/*
>  	 * Swap width and size in case of 90 or 270 degrees rotation
>  	 */
> -	if (state->base.rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) {
> +	if (state->base.rotation & (DRM_ROTATE_90 | DRM_ROTATE_270)) {
>  		tmp = state->crtc_w;
>  		state->crtc_w = state->crtc_h;
>  		state->crtc_h = tmp;
> @@ -677,7 +677,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  			return -EINVAL;
>  
>  		switch (state->base.rotation & DRM_ROTATE_MASK) {
> -		case BIT(DRM_ROTATE_90):
> +		case DRM_ROTATE_90:
>  			offset = ((y_offset + state->src_y + patched_src_w - 1) /
>  				  ydiv) * fb->pitches[i];
>  			offset += ((x_offset + state->src_x) / xdiv) *
> @@ -686,7 +686,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  					  fb->pitches[i];
>  			state->pstride[i] = -fb->pitches[i] - state->bpp[i];
>  			break;
> -		case BIT(DRM_ROTATE_180):
> +		case DRM_ROTATE_180:
>  			offset = ((y_offset + state->src_y + patched_src_h - 1) /
>  				  ydiv) * fb->pitches[i];
>  			offset += ((x_offset + state->src_x + patched_src_w - 1) /
> @@ -695,7 +695,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  					   state->bpp[i]) - fb->pitches[i];
>  			state->pstride[i] = -2 * state->bpp[i];
>  			break;
> -		case BIT(DRM_ROTATE_270):
> +		case DRM_ROTATE_270:
>  			offset = ((y_offset + state->src_y) / ydiv) *
>  				 fb->pitches[i];
>  			offset += ((x_offset + state->src_x + patched_src_h - 1) /
> @@ -705,7 +705,7 @@ static int atmel_hlcdc_plane_atomic_check(struct drm_plane *p,
>  					  (2 * state->bpp[i]);
>  			state->pstride[i] = fb->pitches[i] - state->bpp[i];
>  			break;
> -		case BIT(DRM_ROTATE_0):
> +		case DRM_ROTATE_0:
>  		default:
>  			offset = ((y_offset + state->src_y) / ydiv) *
>  				 fb->pitches[i];
> @@ -905,7 +905,7 @@ static void atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane,
>  	if (desc->layout.xstride && desc->layout.pstride)
>  		drm_object_attach_property(&plane->base.base,
>  				plane->base.dev->mode_config.rotation_property,
> -				BIT(DRM_ROTATE_0));
> +				DRM_ROTATE_0);
>  
>  	if (desc->layout.csc) {
>  		/*
> @@ -1056,10 +1056,10 @@ atmel_hlcdc_plane_create_properties(struct drm_device *dev)
>  
>  	dev->mode_config.rotation_property =
>  			drm_mode_create_rotation_property(dev,
> -							  BIT(DRM_ROTATE_0) |
> -							  BIT(DRM_ROTATE_90) |
> -							  BIT(DRM_ROTATE_180) |
> -							  BIT(DRM_ROTATE_270));
> +							  DRM_ROTATE_0 |
> +							  DRM_ROTATE_90 |
> +							  DRM_ROTATE_180 |
> +							  DRM_ROTATE_270);
>  	if (!dev->mode_config.rotation_property)
>  		return ERR_PTR(-ENOMEM);
>  
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> index de7fddc..61afd85 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -2348,7 +2348,7 @@ int __drm_atomic_helper_set_config(struct drm_mode_set *set,
>  	primary_state->crtc_h = vdisplay;
>  	primary_state->src_x = set->x << 16;
>  	primary_state->src_y = set->y << 16;
> -	if (primary_state->rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))) {
> +	if (primary_state->rotation & (DRM_ROTATE_90 | DRM_ROTATE_270)) {
>  		primary_state->src_w = vdisplay << 16;
>  		primary_state->src_h = hdisplay << 16;
>  	} else {
> @@ -3032,7 +3032,7 @@ void drm_atomic_helper_plane_reset(struct drm_plane *plane)
>  
>  	if (plane->state) {
>  		plane->state->plane = plane;
> -		plane->state->rotation = BIT(DRM_ROTATE_0);
> +		plane->state->rotation = DRM_ROTATE_0;
>  	}
>  }
>  EXPORT_SYMBOL(drm_atomic_helper_plane_reset);
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index f1d9f05..909a025 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -2804,8 +2804,8 @@ int drm_crtc_check_viewport(const struct drm_crtc *crtc,
>  	drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay);
>  
>  	if (crtc->state &&
> -	    crtc->primary->state->rotation & (BIT(DRM_ROTATE_90) |
> -					      BIT(DRM_ROTATE_270)))
> +	    crtc->primary->state->rotation & (DRM_ROTATE_90 |
> +					      DRM_ROTATE_270))
>  		swap(hdisplay, vdisplay);
>  
>  	return check_src_coords(x << 16, y << 16,
> @@ -5646,9 +5646,9 @@ int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
>   * Eg. if the hardware supports everything except DRM_REFLECT_X
>   * one could call this function like this:
>   *
> - * drm_rotation_simplify(rotation, BIT(DRM_ROTATE_0) |
> - *                       BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_180) |
> - *                       BIT(DRM_ROTATE_270) | BIT(DRM_REFLECT_Y));
> + * drm_rotation_simplify(rotation, DRM_ROTATE_0 |
> + *                       DRM_ROTATE_90 | DRM_ROTATE_180 |
> + *                       DRM_ROTATE_270 | DRM_REFLECT_Y);
>   *
>   * to eliminate the DRM_ROTATE_X flag. Depending on what kind of
>   * transforms the hardware supports, this function may not
> @@ -5659,7 +5659,7 @@ unsigned int drm_rotation_simplify(unsigned int rotation,
>  				   unsigned int supported_rotations)
>  {
>  	if (rotation & ~supported_rotations) {
> -		rotation ^= BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y);
> +		rotation ^= DRM_REFLECT_X | DRM_REFLECT_Y;
>  		rotation = (rotation & DRM_REFLECT_MASK) |
>  		           BIT((ffs(rotation & DRM_ROTATE_MASK) + 1) % 4);
>  	}
> @@ -5788,12 +5788,12 @@ struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
>  						       unsigned int supported_rotations)
>  {
>  	static const struct drm_prop_enum_list props[] = {
> -		{ DRM_ROTATE_0,   "rotate-0" },
> -		{ DRM_ROTATE_90,  "rotate-90" },
> -		{ DRM_ROTATE_180, "rotate-180" },
> -		{ DRM_ROTATE_270, "rotate-270" },
> -		{ DRM_REFLECT_X,  "reflect-x" },
> -		{ DRM_REFLECT_Y,  "reflect-y" },
> +		{ __builtin_ffs(DRM_ROTATE_0) - 1,   "rotate-0" },
> +		{ __builtin_ffs(DRM_ROTATE_90) - 1,  "rotate-90" },
> +		{ __builtin_ffs(DRM_ROTATE_180) - 1, "rotate-180" },
> +		{ __builtin_ffs(DRM_ROTATE_270) - 1, "rotate-270" },
> +		{ __builtin_ffs(DRM_REFLECT_X) - 1,  "reflect-x" },
> +		{ __builtin_ffs(DRM_REFLECT_Y) - 1,  "reflect-y" },
>  	};
>  
>  	return drm_property_create_bitmask(dev, 0, "rotation",
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index ce54e98..d4896f9 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -335,7 +335,7 @@ retry:
>  			goto fail;
>  		}
>  
> -		plane_state->rotation = BIT(DRM_ROTATE_0);
> +		plane_state->rotation = DRM_ROTATE_0;
>  
>  		plane->old_fb = plane->fb;
>  		plane_mask |= 1 << drm_plane_index(plane);
> @@ -395,7 +395,7 @@ static int restore_fbdev_mode(struct drm_fb_helper *fb_helper)
>  		if (dev->mode_config.rotation_property) {
>  			drm_mode_plane_set_obj_prop(plane,
>  						    dev->mode_config.rotation_property,
> -						    BIT(DRM_ROTATE_0));
> +						    DRM_ROTATE_0);
>  		}
>  	}
>  
> diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c
> index 16c4a7b..c360e30 100644
> --- a/drivers/gpu/drm/drm_plane_helper.c
> +++ b/drivers/gpu/drm/drm_plane_helper.c
> @@ -274,7 +274,7 @@ int drm_primary_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
>  
>  	ret = drm_plane_helper_check_update(plane, crtc, fb,
>  					    &src, &dest, &clip,
> -					    BIT(DRM_ROTATE_0),
> +					    DRM_ROTATE_0,
>  					    DRM_PLANE_HELPER_NO_SCALING,
>  					    DRM_PLANE_HELPER_NO_SCALING,
>  					    false, false, &visible);
> diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c
> index a8e2c86..4063f6e 100644
> --- a/drivers/gpu/drm/drm_rect.c
> +++ b/drivers/gpu/drm/drm_rect.c
> @@ -317,38 +317,38 @@ void drm_rect_rotate(struct drm_rect *r,
>  {
>  	struct drm_rect tmp;
>  
> -	if (rotation & (BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y))) {
> +	if (rotation & (DRM_REFLECT_X | DRM_REFLECT_Y)) {
>  		tmp = *r;
>  
> -		if (rotation & BIT(DRM_REFLECT_X)) {
> +		if (rotation & DRM_REFLECT_X) {
>  			r->x1 = width - tmp.x2;
>  			r->x2 = width - tmp.x1;
>  		}
>  
> -		if (rotation & BIT(DRM_REFLECT_Y)) {
> +		if (rotation & DRM_REFLECT_Y) {
>  			r->y1 = height - tmp.y2;
>  			r->y2 = height - tmp.y1;
>  		}
>  	}
>  
>  	switch (rotation & DRM_ROTATE_MASK) {
> -	case BIT(DRM_ROTATE_0):
> +	case DRM_ROTATE_0:
>  		break;
> -	case BIT(DRM_ROTATE_90):
> +	case DRM_ROTATE_90:
>  		tmp = *r;
>  		r->x1 = tmp.y1;
>  		r->x2 = tmp.y2;
>  		r->y1 = width - tmp.x2;
>  		r->y2 = width - tmp.x1;
>  		break;
> -	case BIT(DRM_ROTATE_180):
> +	case DRM_ROTATE_180:
>  		tmp = *r;
>  		r->x1 = width - tmp.x2;
>  		r->x2 = width - tmp.x1;
>  		r->y1 = height - tmp.y2;
>  		r->y2 = height - tmp.y1;
>  		break;
> -	case BIT(DRM_ROTATE_270):
> +	case DRM_ROTATE_270:
>  		tmp = *r;
>  		r->x1 = height - tmp.y2;
>  		r->x2 = height - tmp.y1;
> @@ -392,23 +392,23 @@ void drm_rect_rotate_inv(struct drm_rect *r,
>  	struct drm_rect tmp;
>  
>  	switch (rotation & DRM_ROTATE_MASK) {
> -	case BIT(DRM_ROTATE_0):
> +	case DRM_ROTATE_0:
>  		break;
> -	case BIT(DRM_ROTATE_90):
> +	case DRM_ROTATE_90:
>  		tmp = *r;
>  		r->x1 = width - tmp.y2;
>  		r->x2 = width - tmp.y1;
>  		r->y1 = tmp.x1;
>  		r->y2 = tmp.x2;
>  		break;
> -	case BIT(DRM_ROTATE_180):
> +	case DRM_ROTATE_180:
>  		tmp = *r;
>  		r->x1 = width - tmp.x2;
>  		r->x2 = width - tmp.x1;
>  		r->y1 = height - tmp.y2;
>  		r->y2 = height - tmp.y1;
>  		break;
> -	case BIT(DRM_ROTATE_270):
> +	case DRM_ROTATE_270:
>  		tmp = *r;
>  		r->x1 = tmp.y1;
>  		r->x2 = tmp.y2;
> @@ -419,15 +419,15 @@ void drm_rect_rotate_inv(struct drm_rect *r,
>  		break;
>  	}
>  
> -	if (rotation & (BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y))) {
> +	if (rotation & (DRM_REFLECT_X | DRM_REFLECT_Y)) {
>  		tmp = *r;
>  
> -		if (rotation & BIT(DRM_REFLECT_X)) {
> +		if (rotation & DRM_REFLECT_X) {
>  			r->x1 = width - tmp.x2;
>  			r->x2 = width - tmp.x1;
>  		}
>  
> -		if (rotation & BIT(DRM_REFLECT_Y)) {
> +		if (rotation & DRM_REFLECT_Y) {
>  			r->y1 = height - tmp.y2;
>  			r->y2 = height - tmp.y1;
>  		}
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 9aa62c5..815232c 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -3081,12 +3081,12 @@ static const char *plane_rotation(unsigned int rotation)
>  	 */
>  	snprintf(buf, sizeof(buf),
>  		 "%s%s%s%s%s%s(0x%08x)",
> -		 (rotation & BIT(DRM_ROTATE_0)) ? "0 " : "",
> -		 (rotation & BIT(DRM_ROTATE_90)) ? "90 " : "",
> -		 (rotation & BIT(DRM_ROTATE_180)) ? "180 " : "",
> -		 (rotation & BIT(DRM_ROTATE_270)) ? "270 " : "",
> -		 (rotation & BIT(DRM_REFLECT_X)) ? "FLIPX " : "",
> -		 (rotation & BIT(DRM_REFLECT_Y)) ? "FLIPY " : "",
> +		 (rotation & DRM_ROTATE_0) ? "0 " : "",
> +		 (rotation & DRM_ROTATE_90) ? "90 " : "",
> +		 (rotation & DRM_ROTATE_180) ? "180 " : "",
> +		 (rotation & DRM_ROTATE_270) ? "270 " : "",
> +		 (rotation & DRM_REFLECT_X) ? "FLIPX " : "",
> +		 (rotation & DRM_REFLECT_Y) ? "FLIPY " : "",
>  		 rotation);
>  
>  	return buf;
> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
> index 7de7721..7cc9c76 100644
> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
> @@ -55,7 +55,7 @@ intel_create_plane_state(struct drm_plane *plane)
>  		return NULL;
>  
>  	state->base.plane = plane;
> -	state->base.rotation = BIT(DRM_ROTATE_0);
> +	state->base.rotation = DRM_ROTATE_0;
>  	state->ckey.flags = I915_SET_COLORKEY_NONE;
>  
>  	return state;
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 78beb7e..773954d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2688,7 +2688,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
>  		intel_crtc->dspaddr_offset = linear_offset;
>  	}
>  
> -	if (rotation == BIT(DRM_ROTATE_180)) {
> +	if (rotation == DRM_ROTATE_180) {
>  		dspcntr |= DISPPLANE_ROTATE_180;
>  
>  		x += (crtc_state->pipe_src_w - 1);
> @@ -2791,7 +2791,7 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
>  		intel_compute_tile_offset(&x, &y, fb, 0,
>  					  fb->pitches[0], rotation);
>  	linear_offset -= intel_crtc->dspaddr_offset;
> -	if (rotation == BIT(DRM_ROTATE_180)) {
> +	if (rotation == DRM_ROTATE_180) {
>  		dspcntr |= DISPPLANE_ROTATE_180;
>  
>  		if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) {
> @@ -2952,17 +2952,17 @@ u32 skl_plane_ctl_tiling(uint64_t fb_modifier)
>  u32 skl_plane_ctl_rotation(unsigned int rotation)
>  {
>  	switch (rotation) {
> -	case BIT(DRM_ROTATE_0):
> +	case DRM_ROTATE_0:
>  		break;
>  	/*
>  	 * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr
>  	 * while i915 HW rotation is clockwise, thats why this swapping.
>  	 */
> -	case BIT(DRM_ROTATE_90):
> +	case DRM_ROTATE_90:
>  		return PLANE_CTL_ROTATE_270;
> -	case BIT(DRM_ROTATE_180):
> +	case DRM_ROTATE_180:
>  		return PLANE_CTL_ROTATE_180;
> -	case BIT(DRM_ROTATE_270):
> +	case DRM_ROTATE_270:
>  		return PLANE_CTL_ROTATE_90;
>  	default:
>  		MISSING_CASE(rotation);
> @@ -4248,7 +4248,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
>  		      intel_crtc->pipe, SKL_CRTC_INDEX);
>  
>  	return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
> -		&state->scaler_state.scaler_id, BIT(DRM_ROTATE_0),
> +		&state->scaler_state.scaler_id, DRM_ROTATE_0,
>  		state->pipe_src_w, state->pipe_src_h,
>  		adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
>  }
> @@ -10263,7 +10263,7 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base,
>  		if (HAS_DDI(dev))
>  			cntl |= CURSOR_PIPE_CSC_ENABLE;
>  
> -		if (plane_state->base.rotation == BIT(DRM_ROTATE_180))
> +		if (plane_state->base.rotation == DRM_ROTATE_180)
>  			cntl |= CURSOR_ROTATE_180;
>  	}
>  
> @@ -10309,7 +10309,7 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
>  
>  		/* ILK+ do this automagically */
>  		if (HAS_GMCH_DISPLAY(dev) &&
> -		    plane_state->base.rotation == BIT(DRM_ROTATE_180)) {
> +		    plane_state->base.rotation == DRM_ROTATE_180) {
>  			base += (plane_state->base.crtc_h *
>  				 plane_state->base.crtc_w - 1) * 4;
>  		}
> @@ -14304,11 +14304,11 @@ fail:
>  void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane)
>  {
>  	if (!dev->mode_config.rotation_property) {
> -		unsigned long flags = BIT(DRM_ROTATE_0) |
> -			BIT(DRM_ROTATE_180);
> +		unsigned long flags = DRM_ROTATE_0 |
> +			DRM_ROTATE_180;
>  
>  		if (INTEL_INFO(dev)->gen >= 9)
> -			flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270);
> +			flags |= DRM_ROTATE_90 | DRM_ROTATE_270;
>  
>  		dev->mode_config.rotation_property =
>  			drm_mode_create_rotation_property(dev, flags);
> @@ -14451,8 +14451,8 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
>  		if (!dev->mode_config.rotation_property)
>  			dev->mode_config.rotation_property =
>  				drm_mode_create_rotation_property(dev,
> -							BIT(DRM_ROTATE_0) |
> -							BIT(DRM_ROTATE_180));
> +							DRM_ROTATE_0 |
> +							DRM_ROTATE_180);
>  		if (dev->mode_config.rotation_property)
>  			drm_object_attach_property(&cursor->base.base,
>  				dev->mode_config.rotation_property,
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index e74d851..f82dcc5 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1258,7 +1258,7 @@ unsigned int intel_tile_height(const struct drm_i915_private *dev_priv,
>  static inline bool
>  intel_rotation_90_or_270(unsigned int rotation)
>  {
> -	return rotation & (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270));
> +	return rotation & (DRM_ROTATE_90 | DRM_ROTATE_270);
>  }
>  
>  void intel_create_rotation_property(struct drm_device *dev,
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index 781e2f5..eff26d7 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -775,7 +775,7 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc)
>  		return false;
>  	}
>  	if (INTEL_INFO(dev_priv)->gen <= 4 && !IS_G4X(dev_priv) &&
> -	    cache->plane.rotation != BIT(DRM_ROTATE_0)) {
> +	    cache->plane.rotation != DRM_ROTATE_0) {
>  		fbc->no_fbc_reason = "rotation unsupported";
>  		return false;
>  	}
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> index 6344999..4fee93d 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -223,7 +223,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  	 * This also validates that any existing fb inherited from the
>  	 * BIOS is suitable for own access.
>  	 */
> -	ret = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, BIT(DRM_ROTATE_0));
> +	ret = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, DRM_ROTATE_0);
>  	if (ret)
>  		goto out_unlock;
>  
> @@ -289,7 +289,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
>  out_destroy_fbi:
>  	drm_fb_helper_release_fbi(helper);
>  out_unpin:
> -	intel_unpin_fb_obj(&ifbdev->fb->base, BIT(DRM_ROTATE_0));
> +	intel_unpin_fb_obj(&ifbdev->fb->base, DRM_ROTATE_0);
>  out_unlock:
>  	mutex_unlock(&dev->struct_mutex);
>  	return ret;
> @@ -554,7 +554,7 @@ static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
>  
>  	if (ifbdev->fb) {
>  		mutex_lock(&ifbdev->helper.dev->struct_mutex);
> -		intel_unpin_fb_obj(&ifbdev->fb->base, BIT(DRM_ROTATE_0));
> +		intel_unpin_fb_obj(&ifbdev->fb->base, DRM_ROTATE_0);
>  		mutex_unlock(&ifbdev->helper.dev->struct_mutex);
>  
>  		drm_framebuffer_remove(&ifbdev->fb->base);
> diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
> index 0de935a..22ae2298 100644
> --- a/drivers/gpu/drm/i915/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/intel_sprite.c
> @@ -444,7 +444,7 @@ vlv_update_plane(struct drm_plane *dplane,
>  						   fb->pitches[0], rotation);
>  	linear_offset -= sprsurf_offset;
>  
> -	if (rotation == BIT(DRM_ROTATE_180)) {
> +	if (rotation == DRM_ROTATE_180) {
>  		sprctl |= SP_ROTATE_180;
>  
>  		x += src_w;
> @@ -577,7 +577,7 @@ ivb_update_plane(struct drm_plane *plane,
>  						   fb->pitches[0], rotation);
>  	linear_offset -= sprsurf_offset;
>  
> -	if (rotation == BIT(DRM_ROTATE_180)) {
> +	if (rotation == DRM_ROTATE_180) {
>  		sprctl |= SPRITE_ROTATE_180;
>  
>  		/* HSW and BDW does this automagically in hardware */
> @@ -714,7 +714,7 @@ ilk_update_plane(struct drm_plane *plane,
>  						   fb->pitches[0], rotation);
>  	linear_offset -= dvssurf_offset;
>  
> -	if (rotation == BIT(DRM_ROTATE_180)) {
> +	if (rotation == DRM_ROTATE_180) {
>  		dvscntr |= DVS_ROTATE_180;
>  
>  		x += src_w;
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> index 432c098..a02a24e 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> @@ -78,7 +78,7 @@ static void mdp5_plane_install_rotation_property(struct drm_device *dev,
>  	if (!dev->mode_config.rotation_property)
>  		dev->mode_config.rotation_property =
>  			drm_mode_create_rotation_property(dev,
> -			BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y));
> +			DRM_REFLECT_X | DRM_REFLECT_Y);
>  
>  	if (dev->mode_config.rotation_property)
>  		drm_object_attach_property(&plane->base,
> @@ -309,8 +309,8 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane,
>  			return -EINVAL;
>  		}
>  
> -		hflip = !!(state->rotation & BIT(DRM_REFLECT_X));
> -		vflip = !!(state->rotation & BIT(DRM_REFLECT_Y));
> +		hflip = !!(state->rotation & DRM_REFLECT_X);
> +		vflip = !!(state->rotation & DRM_REFLECT_Y);
>  		if ((vflip && !(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP)) ||
>  			(hflip && !(mdp5_plane->caps & MDP_PIPE_CAP_HFLIP))) {
>  			dev_err(plane->dev->dev,
> @@ -743,8 +743,8 @@ static int mdp5_plane_mode_set(struct drm_plane *plane,
>  	config |= get_scale_config(format, src_h, crtc_h, false);
>  	DBG("scale config = %x", config);
>  
> -	hflip = !!(pstate->rotation & BIT(DRM_REFLECT_X));
> -	vflip = !!(pstate->rotation & BIT(DRM_REFLECT_Y));
> +	hflip = !!(pstate->rotation & DRM_REFLECT_X);
> +	vflip = !!(pstate->rotation & DRM_REFLECT_Y);
>  
>  	spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
>  
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
> index 26c6134..3dd78f2 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.c
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.c
> @@ -295,9 +295,9 @@ static int omap_modeset_init_properties(struct drm_device *dev)
>  	if (priv->has_dmm) {
>  		dev->mode_config.rotation_property =
>  			drm_mode_create_rotation_property(dev,
> -				BIT(DRM_ROTATE_0) | BIT(DRM_ROTATE_90) |
> -				BIT(DRM_ROTATE_180) | BIT(DRM_ROTATE_270) |
> -				BIT(DRM_REFLECT_X) | BIT(DRM_REFLECT_Y));
> +				DRM_ROTATE_0 | DRM_ROTATE_90 |
> +				DRM_ROTATE_180 | DRM_ROTATE_270 |
> +				DRM_REFLECT_X | DRM_REFLECT_Y);
>  		if (!dev->mode_config.rotation_property)
>  			return -ENOMEM;
>  	}
> diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c
> index 31f5178..5f3337f 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fb.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fb.c
> @@ -179,24 +179,24 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
>  					(uint32_t)win->rotation);
>  			/* fallthru to default to no rotation */
>  		case 0:
> -		case BIT(DRM_ROTATE_0):
> +		case DRM_ROTATE_0:
>  			orient = 0;
>  			break;
> -		case BIT(DRM_ROTATE_90):
> +		case DRM_ROTATE_90:
>  			orient = MASK_XY_FLIP | MASK_X_INVERT;
>  			break;
> -		case BIT(DRM_ROTATE_180):
> +		case DRM_ROTATE_180:
>  			orient = MASK_X_INVERT | MASK_Y_INVERT;
>  			break;
> -		case BIT(DRM_ROTATE_270):
> +		case DRM_ROTATE_270:
>  			orient = MASK_XY_FLIP | MASK_Y_INVERT;
>  			break;
>  		}
>  
> -		if (win->rotation & BIT(DRM_REFLECT_X))
> +		if (win->rotation & DRM_REFLECT_X)
>  			orient ^= MASK_X_INVERT;
>  
> -		if (win->rotation & BIT(DRM_REFLECT_Y))
> +		if (win->rotation & DRM_REFLECT_Y)
>  			orient ^= MASK_Y_INVERT;
>  
>  		/* adjust x,y offset for flip/invert: */
> @@ -213,7 +213,7 @@ void omap_framebuffer_update_scanout(struct drm_framebuffer *fb,
>  	} else {
>  		switch (win->rotation & DRM_ROTATE_MASK) {
>  		case 0:
> -		case BIT(DRM_ROTATE_0):
> +		case DRM_ROTATE_0:
>  			/* OK */
>  			break;
>  
> diff --git a/drivers/gpu/drm/omapdrm/omap_plane.c b/drivers/gpu/drm/omapdrm/omap_plane.c
> index 5252ab7..4c7727e 100644
> --- a/drivers/gpu/drm/omapdrm/omap_plane.c
> +++ b/drivers/gpu/drm/omapdrm/omap_plane.c
> @@ -109,8 +109,8 @@ static void omap_plane_atomic_update(struct drm_plane *plane,
>  	win.src_y = state->src_y >> 16;
>  
>  	switch (state->rotation & DRM_ROTATE_MASK) {
> -	case BIT(DRM_ROTATE_90):
> -	case BIT(DRM_ROTATE_270):
> +	case DRM_ROTATE_90:
> +	case DRM_ROTATE_270:
>  		win.src_w = state->src_h >> 16;
>  		win.src_h = state->src_w >> 16;
>  		break;
> @@ -149,7 +149,7 @@ static void omap_plane_atomic_disable(struct drm_plane *plane,
>  	struct omap_plane_state *omap_state = to_omap_plane_state(plane->state);
>  	struct omap_plane *omap_plane = to_omap_plane(plane);
>  
> -	plane->state->rotation = BIT(DRM_ROTATE_0);
> +	plane->state->rotation = DRM_ROTATE_0;
>  	omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
>  			   ? 0 : omap_plane->id;
>  
> @@ -178,7 +178,7 @@ static int omap_plane_atomic_check(struct drm_plane *plane,
>  		return -EINVAL;
>  
>  	if (state->fb) {
> -		if (state->rotation != BIT(DRM_ROTATE_0) &&
> +		if (state->rotation != DRM_ROTATE_0 &&
>  		    !omap_framebuffer_supports_rotation(state->fb))
>  			return -EINVAL;
>  	}
> @@ -269,7 +269,7 @@ static void omap_plane_reset(struct drm_plane *plane)
>  	 */
>  	omap_state->zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
>  			   ? 0 : omap_plane->id;
> -	omap_state->base.rotation = BIT(DRM_ROTATE_0);
> +	omap_state->base.rotation = DRM_ROTATE_0;
>  
>  	plane->state = &omap_state->base;
>  	plane->state->plane = plane;
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 3edeaf8..57bbc61 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -84,13 +84,13 @@ static inline uint64_t I642U64(int64_t val)
>   * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation
>   */
>  #define DRM_ROTATE_MASK 0x0f
> -#define DRM_ROTATE_0	0
> -#define DRM_ROTATE_90	1
> -#define DRM_ROTATE_180	2
> -#define DRM_ROTATE_270	3
> +#define DRM_ROTATE_0	BIT(0)
> +#define DRM_ROTATE_90	BIT(1)
> +#define DRM_ROTATE_180	BIT(2)
> +#define DRM_ROTATE_270	BIT(3)
>  #define DRM_REFLECT_MASK (~DRM_ROTATE_MASK)
> -#define DRM_REFLECT_X	4
> -#define DRM_REFLECT_Y	5
> +#define DRM_REFLECT_X	BIT(4)
> +#define DRM_REFLECT_Y	BIT(5)
>  
>  enum drm_connector_force {
>  	DRM_FORCE_UNSPECIFIED,
> -- 
> 2.5.5

-- 
Ville Syrjälä
Intel OTC
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