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From: Neil Armstrong <narmstrong@baylibre.com>
To: a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com,
	jonas@kwiboo.se, jernej.skrabec@siol.net,
	boris.brezillon@collabora.com
Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org,
	Neil Armstrong <narmstrong@baylibre.com>
Subject: [RFC 05/11] drm/bridge: synopsys: dw-hdmi: use negociated bus formats
Date: Tue, 20 Aug 2019 10:41:03 +0200	[thread overview]
Message-ID: <20190820084109.24616-6-narmstrong@baylibre.com> (raw)
In-Reply-To: <20190820084109.24616-1-narmstrong@baylibre.com>

Use the negociated bus formats from the atomic check function if
the input and output formats are non NULL, otherwise fallback to
the plat_data->input_bus_format or the default MEDIA_BUS_FMT_RGB888_1X24
bus format.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 121c2167ee20..316823abdd00 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1968,11 +1968,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 	hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0;
 	hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0;
 
-	/* TOFIX: Get input format from plat data or fallback to RGB888 */
 	if (hdmi->plat_data->input_bus_format)
 		hdmi->hdmi_data.enc_in_bus_format =
 			hdmi->plat_data->input_bus_format;
-	else
+	else if (!hdmi->hdmi_data.enc_in_bus_format)
 		hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
 
 	/* TOFIX: Get input encoding from plat data or fallback to none */
@@ -1982,8 +1981,8 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 	else
 		hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT;
 
-	/* TOFIX: Default to RGB888 output format */
-	hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+	if (!hdmi->hdmi_data.enc_out_bus_format)
+		hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
 
 	hdmi->hdmi_data.pix_repet_factor = 0;
 	hdmi->hdmi_data.hdcp_enable = 0;
@@ -2224,6 +2223,8 @@ static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
 	dev_dbg(hdmi->dev, "selected output format %x\n",
 			bridge_state->output_bus_cfg.fmt);
 
+	hdmi->hdmi_data.enc_out_bus_format = bridge_state->output_bus_cfg.fmt;
+
 	ret = drm_atomic_bridge_choose_input_bus_cfg(bridge_state, crtc_state,
 						      conn_state);
 	if (ret)
@@ -2232,6 +2233,8 @@ static int dw_hdmi_bridge_atomic_check(struct drm_bridge *bridge,
 	dev_dbg(hdmi->dev, "selected input format %x\n",
 			bridge_state->input_bus_cfg.fmt);
 
+	hdmi->hdmi_data.enc_in_bus_format = bridge_state->input_bus_cfg.fmt;
+
 	return 0;
 }
 
-- 
2.22.0


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  parent reply	other threads:[~2019-08-20  8:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-20  8:40 [RFC 00/11] drm/bridge: dw-hdmi: implement bus-format negotiation and YUV420 support Neil Armstrong
2019-08-20  8:40 ` [RFC 01/11] fixup! drm/bridge: Add the necessary bits to support bus format negotiation Neil Armstrong
2019-08-20  8:41 ` [RFC 02/11] drm/meson: venc: make drm_display_mode const Neil Armstrong
2019-08-21 18:32   ` Boris Brezillon
2019-08-20  8:41 ` [RFC 03/11] drm/meson: meson_dw_hdmi: switch to drm_bridge_funcs Neil Armstrong
2019-08-20  8:41 ` [RFC 04/11] drm/bridge: synopsys: dw-hdmi: add basic bridge_atomic_check Neil Armstrong
2019-08-20  8:41 ` Neil Armstrong [this message]
2019-08-20  8:41 ` [RFC 06/11] drm/meson: dw-hdmi: stop enforcing input_bus_format Neil Armstrong
2019-08-20  8:41 ` [RFC 07/11] drm/bridge: dw-hdmi: allow ycbcr420 modes for >= 0x200a Neil Armstrong
2019-08-20  8:41 ` [RFC 08/11] drm/bridge: synopsys: dw-hdmi: add 420 mode format negociation Neil Armstrong
2019-08-20  8:41 ` [RFC 09/11] drm/meson: venc: add support for YUV420 setup Neil Armstrong
2019-08-20  8:41 ` [RFC 10/11] drm/meson: vclk: " Neil Armstrong
2019-08-20  8:41 ` [RFC 11/11] drm/meson: Add YUV420 output support Neil Armstrong
2019-08-21 18:30 ` [RFC 00/11] drm/bridge: dw-hdmi: implement bus-format negotiation and YUV420 support Boris Brezillon

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