drm/i915: Make sure CCS YUV semiplanar format checks work

For CCS formats, the current DRM core check for YUV semiplanar formats
doesn't work; use an i915 specific function for that.

v2: Fix checkpatch warnings.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191221120543.22816-11-imre.deak@intel.com

drivers/gpu/drm/i915/display/intel_atomic_plane.c

@@ -250,7 +250,7 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 		new_crtc_state->active_planes |= BIT(plane->id);
 
 	if (new_plane_state->uapi.visible &&
-	    drm_format_info_is_yuv_semiplanar(fb->format))
+	    intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
 		new_crtc_state->nv12_planes |= BIT(plane->id);
 
 	if (new_plane_state->uapi.visible &&

drivers/gpu/drm/i915/display/intel_display.c

@@ -1986,6 +1986,14 @@ intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
 	return 1;
 }
 
+bool
+intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
+				    uint64_t modifier)
+{
+	return info->is_yuv &&
+	       info->num_planes == (is_ccs_modifier(modifier) ? 4 : 2);
+}
+
 static unsigned int
 intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane)
 {
@@ -3862,7 +3870,8 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
 	 * Handle the AUX surface first since
 	 * the main surface setup depends on it.
 	 */
-	if (drm_format_info_is_yuv_semiplanar(fb->format)) {
+	if (intel_format_info_is_yuv_semiplanar(fb->format,
+						fb->modifier)) {
 		ret = skl_check_nv12_aux_surface(plane_state);
 		if (ret)
 			return ret;
@@ -5791,7 +5800,8 @@ static int
 skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
 		  unsigned int scaler_user, int *scaler_id,
 		  int src_w, int src_h, int dst_w, int dst_h,
-		  const struct drm_format_info *format, bool need_scaler)
+		  const struct drm_format_info *format,
+		  u64 modifier, bool need_scaler)
 {
 	struct intel_crtc_scaler_state *scaler_state =
 		&crtc_state->scaler_state;
@@ -5845,7 +5855,7 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
 		return 0;
 	}
 
-	if (format && drm_format_info_is_yuv_semiplanar(format) &&
+	if (format && intel_format_info_is_yuv_semiplanar(format, modifier) &&
 	    (src_h < SKL_MIN_YUV_420_SRC_H || src_w < SKL_MIN_YUV_420_SRC_W)) {
 		DRM_DEBUG_KMS("Planar YUV: src dimensions not met\n");
 		return -EINVAL;
@@ -5897,7 +5907,8 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
 				 &state->scaler_state.scaler_id,
 				 state->pipe_src_w, state->pipe_src_h,
 				 adjusted_mode->crtc_hdisplay,
-				 adjusted_mode->crtc_vdisplay, NULL, need_scaler);
+				 adjusted_mode->crtc_vdisplay, NULL, 0,
+				 need_scaler);
 }
 
 /**
@@ -5922,7 +5933,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 
 	/* Pre-gen11 and SDR planes always need a scaler for planar formats. */
 	if (!icl_is_hdr_plane(dev_priv, intel_plane->id) &&
-	    fb && drm_format_info_is_yuv_semiplanar(fb->format))
+	    fb && intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
 		need_scaler = true;
 
 	ret = skl_update_scaler(crtc_state, force_detach,
@@ -5932,7 +5943,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 				drm_rect_height(&plane_state->uapi.src) >> 16,
 				drm_rect_width(&plane_state->uapi.dst),
 				drm_rect_height(&plane_state->uapi.dst),
-				fb ? fb->format : NULL, need_scaler);
+				fb ? fb->format : NULL,
+				fb ? fb->modifier : 0,
+				need_scaler);
 
 	if (ret || plane_state->scaler_id < 0)
 		return ret;

drivers/gpu/drm/i915/display/intel_display.h

@@ -601,6 +601,10 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv);
 void intel_display_print_error_state(struct drm_i915_error_state_buf *e,
 				     struct intel_display_error_state *error);
 
+bool
+intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
+				    uint64_t modifier);
+
 /* modesetting */
 void intel_modeset_init_hw(struct drm_i915_private *i915);
 int intel_modeset_init(struct drm_i915_private *i915);

drivers/gpu/drm/i915/display/intel_sprite.c

@@ -417,7 +417,7 @@ skl_program_scaler(struct intel_plane *plane,
 				      0, INT_MAX);
 
 	/* TODO: handle sub-pixel coordinates */
-	if (drm_format_info_is_yuv_semiplanar(fb->format) &&
+	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
 	    !icl_is_hdr_plane(dev_priv, plane->id)) {
 		y_hphase = skl_scaler_calc_phase(1, hscale, false);
 		y_vphase = skl_scaler_calc_phase(1, vscale, false);
@@ -2151,7 +2151,8 @@ static int skl_plane_check_nv12_rotation(const struct intel_plane_state *plane_s
 	int src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
 
 	/* Display WA #1106 */
-	if (drm_format_info_is_yuv_semiplanar(fb->format) && src_w & 3 &&
+	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
+	    src_w & 3 &&
 	    (rotation == DRM_MODE_ROTATE_270 ||
 	     rotation == (DRM_MODE_REFLECT_X | DRM_MODE_ROTATE_90))) {
 		DRM_DEBUG_KMS("src width must be multiple of 4 for rotated planar YUV\n");
@@ -2171,7 +2172,7 @@ static int skl_plane_max_scale(struct drm_i915_private *dev_priv,
 	 * FIXME need to properly check this later.
 	 */
 	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv) ||
-	    !drm_format_info_is_yuv_semiplanar(fb->format))
+	    !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
 		return 0x30000 - 1;
 	else
 		return 0x20000 - 1;
@@ -2233,7 +2234,7 @@ static int skl_plane_check(struct intel_crtc_state *crtc_state,
 		plane_state->color_ctl = glk_plane_color_ctl(crtc_state,
 							     plane_state);
 
-	if (drm_format_info_is_yuv_semiplanar(fb->format) &&
+	if (intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
 	    icl_is_hdr_plane(dev_priv, plane->id))
 		/* Enable and use MPEG-2 chroma siting */
 		plane_state->cus_ctl = PLANE_CUS_ENABLE |

drivers/gpu/drm/i915/intel_pm.c

@@ -4135,7 +4135,7 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *crtc_state,
 		return 0;
 
 	if (color_plane == 1 &&
-	    !drm_format_info_is_yuv_semiplanar(fb->format))
+	    !intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier))
 		return 0;
 
 	/*
@@ -4559,7 +4559,8 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
 	u32 interm_pbpl;
 
 	/* only planar format has two planes */
-	if (color_plane == 1 && !drm_format_info_is_yuv_semiplanar(format)) {
+	if (color_plane == 1 &&
+	    !intel_format_info_is_yuv_semiplanar(format, modifier)) {
 		DRM_DEBUG_KMS("Non planar format have single plane\n");
 		return -EINVAL;
 	}
@@ -4571,7 +4572,7 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
 	wp->x_tiled = modifier == I915_FORMAT_MOD_X_TILED;
 	wp->rc_surface = modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
 			 modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
-	wp->is_planar = drm_format_info_is_yuv_semiplanar(format);
+	wp->is_planar = intel_format_info_is_yuv_semiplanar(format, modifier);
 
 	wp->width = width;
 	if (color_plane == 1 && wp->is_planar)