drm/i915: introduce pipe_config->dither|pipe_bpp

We want to compute this earlier. To avoid a big complicated patch,
this patch here just does the big search&replace and still calls the
old functions at the same places.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_ddi.c

@@ -931,7 +931,7 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)
 	if (type == INTEL_OUTPUT_DISPLAYPORT || type == INTEL_OUTPUT_EDP) {
 
 		temp = TRANS_MSA_SYNC_CLK;
-		switch (intel_crtc->bpp) {
+		switch (intel_crtc->config.pipe_bpp) {
 		case 18:
 			temp |= TRANS_MSA_6_BPC;
 			break;
@@ -947,7 +947,7 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)
 		default:
 			temp |= TRANS_MSA_8_BPC;
 			WARN(1, "%d bpp unsupported by DDI function\n",
-			     intel_crtc->bpp);
+			     intel_crtc->config.pipe_bpp);
 		}
 		I915_WRITE(TRANS_MSA_MISC(cpu_transcoder), temp);
 	}
@@ -969,7 +969,7 @@ void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc)
 	temp = TRANS_DDI_FUNC_ENABLE;
 	temp |= TRANS_DDI_SELECT_PORT(port);
 
-	switch (intel_crtc->bpp) {
+	switch (intel_crtc->config.pipe_bpp) {
 	case 18:
 		temp |= TRANS_DDI_BPC_6;
 		break;
@@ -984,7 +984,7 @@ void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc)
 		break;
 	default:
 		WARN(1, "%d bpp unsupported by transcoder DDI function\n",
-		     intel_crtc->bpp);
+		     intel_crtc->config.pipe_bpp);
 	}
 
 	if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)

drivers/gpu/drm/i915/intel_display.c

@@ -4665,6 +4665,10 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 	const intel_limit_t *limit;
 	int ret;
 
+	/* temporary hack */
+	intel_crtc->config.dither =
+		adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC;
+
 	for_each_encoder_on_crtc(dev, crtc, encoder) {
 		switch (encoder->type) {
 		case INTEL_OUTPUT_LVDS:
@@ -4765,15 +4769,15 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 	/* default to 8bpc */
 	pipeconf &= ~(PIPECONF_BPC_MASK | PIPECONF_DITHER_EN);
 	if (is_dp) {
-		if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+		if (intel_crtc->config.dither) {
 			pipeconf |= PIPECONF_6BPC |
 				    PIPECONF_DITHER_EN |
 				    PIPECONF_DITHER_TYPE_SP;
 		}
 	}
 
 	if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
-		if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) {
+		if (intel_crtc->config.dither) {
 			pipeconf |= PIPECONF_6BPC |
 					PIPECONF_ENABLE |
 					I965_PIPECONF_ACTIVE;
@@ -5162,7 +5166,7 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc,
 	val = I915_READ(PIPECONF(pipe));
 
 	val &= ~PIPECONF_BPC_MASK;
-	switch (intel_crtc->bpp) {
+	switch (intel_crtc->config.pipe_bpp) {
 	case 18:
 		val |= PIPECONF_6BPC;
 		break;
@@ -5499,13 +5503,14 @@ static void ironlake_set_m_n(struct drm_crtc *crtc)
 
 	if (!lane)
 		lane = ironlake_get_lanes_required(target_clock, link_bw,
-						   intel_crtc->bpp);
+						   intel_crtc->config.pipe_bpp);
 
 	intel_crtc->fdi_lanes = lane;
 
 	if (intel_crtc->config.pixel_multiplier > 1)
 		link_bw *= intel_crtc->config.pixel_multiplier;
-	intel_link_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw, &m_n);
+	intel_link_compute_m_n(intel_crtc->config.pipe_bpp, lane, target_clock,
+			       link_bw, &m_n);
 
 	I915_WRITE(PIPE_DATA_M1(cpu_transcoder), TU_SIZE(m_n.tu) | m_n.gmch_m);
 	I915_WRITE(PIPE_DATA_N1(cpu_transcoder), m_n.gmch_n);
@@ -5668,8 +5673,10 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
 	intel_crtc_update_cursor(crtc, true);
 
 	/* determine panel color depth */
-	dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp,
+	dither = intel_choose_pipe_bpp_dither(crtc, fb,
+					      &intel_crtc->config.pipe_bpp,
 					      adjusted_mode);
+	intel_crtc->config.dither = dither;
 	if (is_lvds && dev_priv->lvds_dither)
 		dither = true;
 
@@ -5834,8 +5841,10 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc,
 	intel_crtc_update_cursor(crtc, true);
 
 	/* determine panel color depth */
-	dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp,
+	dither = intel_choose_pipe_bpp_dither(crtc, fb,
+					      &intel_crtc->config.pipe_bpp,
 					      adjusted_mode);
+	intel_crtc->config.dither = dither;
 
 	DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe);
 	drm_mode_debug_printmodeline(mode);
@@ -8296,7 +8305,7 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
 	dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base;
 	dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base;
 
-	intel_crtc->bpp = 24; /* default for pre-Ironlake */
+	intel_crtc->config.pipe_bpp = 24; /* default for pre-Ironlake */
 
 	drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);
 }

drivers/gpu/drm/i915/intel_dp.c

@@ -801,7 +801,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	 * the number of bytes_per_pixel post-LUT, which we always
 	 * set up for 8-bits of R/G/B, or 3 bytes total.
 	 */
-	intel_link_compute_m_n(intel_crtc->bpp, lane_count,
+	intel_link_compute_m_n(intel_crtc->config.pipe_bpp, lane_count,
 			       mode->clock, adjusted_mode->clock, &m_n);
 
 	if (HAS_DDI(dev)) {

drivers/gpu/drm/i915/intel_drv.h

@@ -195,6 +195,9 @@ struct intel_crtc_config {
 	 */
 	bool limited_color_range;
 
+	bool dither;
+	int pipe_bpp;
+
 	/* Used by SDVO (and if we ever fix it, HDMI). */
 	unsigned pixel_multiplier;
 };
@@ -230,7 +233,6 @@ struct intel_crtc {
 	int16_t cursor_x, cursor_y;
 	int16_t cursor_width, cursor_height;
 	bool cursor_visible;
-	unsigned int bpp;
 
 	struct intel_crtc_config config;
 

drivers/gpu/drm/i915/intel_hdmi.c

@@ -609,7 +609,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH;
 
-	if (intel_crtc->bpp > 24)
+	if (intel_crtc->config.pipe_bpp > 24)
 		hdmi_val |= HDMI_COLOR_FORMAT_12bpc;
 	else
 		hdmi_val |= SDVO_COLOR_FORMAT_8bpc;