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Message-Id: <20240326-kms-hdmi-connector-state-v11-27-c5680ffcf261@kernel.org>
Date: Tue, 26 Mar 2024 16:40:31 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, Jonathan Corbet <corbet@....net>,
Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
Samuel Holland <samuel@...lland.org>
Cc: Hans Verkuil <hverkuil@...all.nl>,
Sebastian Wick <sebastian.wick@...hat.com>,
Ville Syrjälä <ville.syrjala@...ux.intel.com>,
dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
linux-sunxi@...ts.linux.dev, Maxime Ripard <mripard@...nel.org>
Subject: [PATCH v11 27/28] drm/rockchip: inno_hdmi: Switch to HDMI
connector
The new HDMI connector infrastructure allows to remove some boilerplate,
especially to generate infoframes. Let's switch to it.
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Acked-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
drivers/gpu/drm/rockchip/Kconfig | 1 +
drivers/gpu/drm/rockchip/inno_hdmi.c | 143 +++++++++++++----------------------
2 files changed, 53 insertions(+), 91 deletions(-)
diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index 04300e5c6d14..82e04cebd108 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -72,10 +72,11 @@ config ROCKCHIP_DW_MIPI_DSI
enable MIPI DSI on RK3288 or RK3399 based SoC, you should
select this option.
config ROCKCHIP_INNO_HDMI
bool "Rockchip specific extensions for Innosilicon HDMI"
+ depends on DRM_HDMI_STATE_HELPER
help
This selects support for Rockchip SoC specific extensions
for the Innosilicon HDMI driver. If you want to enable
HDMI on RK3036 based SoC, you should select this option.
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 1d2261643743..d59947679042 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -65,13 +65,11 @@ struct inno_hdmi {
const struct inno_hdmi_variant *variant;
};
struct inno_hdmi_connector_state {
struct drm_connector_state base;
- unsigned int enc_out_format;
unsigned int colorimetry;
- bool rgb_limited_range;
};
static struct inno_hdmi *encoder_to_inno_hdmi(struct drm_encoder *encoder)
{
struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
@@ -255,90 +253,53 @@ static void inno_hdmi_reset(struct inno_hdmi *hdmi)
hdmi_modb(hdmi, HDMI_SYS_CTRL, msk, val);
inno_hdmi_standby(hdmi);
}
-static void inno_hdmi_disable_frame(struct inno_hdmi *hdmi,
- enum hdmi_infoframe_type type)
+static int inno_hdmi_disable_frame(struct drm_connector *connector,
+ enum hdmi_infoframe_type type)
{
- struct drm_connector *connector = &hdmi->connector;
-
- if (type != HDMI_INFOFRAME_TYPE_AVI) {
- drm_err(connector->dev,
- "Unsupported infoframe type: %u\n", type);
- return;
- }
-
- hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, INFOFRAME_AVI);
-}
-
-static int inno_hdmi_upload_frame(struct inno_hdmi *hdmi,
- union hdmi_infoframe *frame, enum hdmi_infoframe_type type)
-{
- struct drm_connector *connector = &hdmi->connector;
- u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE];
- ssize_t rc, i;
+ struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
if (type != HDMI_INFOFRAME_TYPE_AVI) {
drm_err(connector->dev,
"Unsupported infoframe type: %u\n", type);
return 0;
}
- inno_hdmi_disable_frame(hdmi, type);
+ hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_BUF_INDEX, INFOFRAME_AVI);
- rc = hdmi_infoframe_pack(frame, packed_frame,
- sizeof(packed_frame));
- if (rc < 0)
- return rc;
+ return 0;
+}
- for (i = 0; i < rc; i++)
+static int inno_hdmi_upload_frame(struct drm_connector *connector,
+ enum hdmi_infoframe_type type,
+ const u8 *buffer, size_t len)
+{
+ struct inno_hdmi *hdmi = connector_to_inno_hdmi(connector);
+ u8 packed_frame[HDMI_MAXIMUM_INFO_FRAME_SIZE];
+ ssize_t i;
+
+ if (type != HDMI_INFOFRAME_TYPE_AVI) {
+ drm_err(connector->dev,
+ "Unsupported infoframe type: %u\n", type);
+ return 0;
+ }
+
+ inno_hdmi_disable_frame(connector, type);
+
+ for (i = 0; i < len; i++)
hdmi_writeb(hdmi, HDMI_CONTROL_PACKET_ADDR + i,
packed_frame[i]);
return 0;
}
-static int inno_hdmi_config_video_avi(struct inno_hdmi *hdmi,
- struct drm_display_mode *mode)
-{
- struct drm_connector *connector = &hdmi->connector;
- struct drm_connector_state *conn_state = connector->state;
- struct inno_hdmi_connector_state *inno_conn_state =
- to_inno_hdmi_conn_state(conn_state);
- union hdmi_infoframe frame;
- int rc;
-
- rc = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi,
- &hdmi->connector,
- mode);
- if (rc) {
- inno_hdmi_disable_frame(hdmi, HDMI_INFOFRAME_TYPE_AVI);
- return rc;
- }
-
- if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444)
- frame.avi.colorspace = HDMI_COLORSPACE_YUV444;
- else if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV422)
- frame.avi.colorspace = HDMI_COLORSPACE_YUV422;
- else
- frame.avi.colorspace = HDMI_COLORSPACE_RGB;
-
- if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) {
- drm_hdmi_avi_infoframe_quant_range(&frame.avi,
- connector, mode,
- inno_conn_state->rgb_limited_range ?
- HDMI_QUANTIZATION_RANGE_LIMITED :
- HDMI_QUANTIZATION_RANGE_FULL);
- } else {
- frame.avi.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
- frame.avi.ycc_quantization_range =
- HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
- }
-
- return inno_hdmi_upload_frame(hdmi, &frame, HDMI_INFOFRAME_TYPE_AVI);
-}
+static const struct drm_connector_hdmi_funcs inno_hdmi_hdmi_connector_funcs = {
+ .clear_infoframe = inno_hdmi_disable_frame,
+ .write_infoframe = inno_hdmi_upload_frame,
+};
static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
{
struct drm_connector *connector = &hdmi->connector;
struct drm_connector_state *conn_state = connector->state;
@@ -359,12 +320,12 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
value = v_VIDEO_INPUT_BITS(VIDEO_INPUT_8BITS) |
v_VIDEO_OUTPUT_COLOR(0) |
v_VIDEO_INPUT_CSP(0);
hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value);
- if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_RGB) {
- if (inno_conn_state->rgb_limited_range) {
+ if (conn_state->hdmi.output_format == HDMI_COLORSPACE_RGB) {
+ if (!conn_state->hdmi.is_full_range) {
csc_mode = CSC_RGB_0_255_TO_RGB_16_235_8BIT;
auto_csc = AUTO_CSC_DISABLE;
c0_c2_change = C0_C2_CHANGE_DISABLE;
csc_enable = v_CSC_ENABLE;
@@ -378,18 +339,18 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE));
return 0;
}
} else {
if (inno_conn_state->colorimetry == HDMI_COLORIMETRY_ITU_601) {
- if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) {
+ if (conn_state->hdmi.output_format == HDMI_COLORSPACE_YUV444) {
csc_mode = CSC_RGB_0_255_TO_ITU601_16_235_8BIT;
auto_csc = AUTO_CSC_DISABLE;
c0_c2_change = C0_C2_CHANGE_DISABLE;
csc_enable = v_CSC_ENABLE;
}
} else {
- if (inno_conn_state->enc_out_format == HDMI_COLORSPACE_YUV444) {
+ if (conn_state->hdmi.output_format == HDMI_COLORSPACE_YUV444) {
csc_mode = CSC_RGB_0_255_TO_ITU709_16_235_8BIT;
auto_csc = AUTO_CSC_DISABLE;
c0_c2_change = C0_C2_CHANGE_DISABLE;
csc_enable = v_CSC_ENABLE;
}
@@ -460,14 +421,16 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
return 0;
}
static int inno_hdmi_setup(struct inno_hdmi *hdmi,
- struct drm_display_mode *mode)
+ struct drm_crtc_state *new_crtc_state,
+ struct drm_connector_state *new_conn_state)
{
- struct drm_display_info *display = &hdmi->connector.display_info;
- unsigned long mpixelclock = mode->clock * 1000;
+ struct drm_connector *connector = &hdmi->connector;
+ struct drm_display_info *display = &connector->display_info;
+ struct drm_display_mode *mode = &new_crtc_state->adjusted_mode;
/* Mute video and audio output */
hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
v_AUDIO_MUTE(1) | v_VIDEO_MUTE(1));
@@ -477,26 +440,26 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi,
inno_hdmi_config_video_timing(hdmi, mode);
inno_hdmi_config_video_csc(hdmi);
- if (display->is_hdmi)
- inno_hdmi_config_video_avi(hdmi, mode);
+ drm_atomic_helper_connector_hdmi_update_infoframes(connector,
+ new_conn_state->state);
/*
* When IP controller have configured to an accurate video
* timing, then the TMDS clock source would be switched to
* DCLK_LCDC, so we need to init the TMDS rate to mode pixel
* clock rate, and reconfigure the DDC clock.
*/
- inno_hdmi_i2c_init(hdmi, mpixelclock);
+ inno_hdmi_i2c_init(hdmi, new_conn_state->hdmi.tmds_char_rate);
/* Unmute video and audio output */
hdmi_modb(hdmi, HDMI_AV_MUTE, m_AUDIO_MUTE | m_VIDEO_BLACK,
v_AUDIO_MUTE(0) | v_VIDEO_MUTE(0));
- inno_hdmi_power_up(hdmi, mpixelclock);
+ inno_hdmi_power_up(hdmi, new_conn_state->hdmi.tmds_char_rate);
return 0;
}
static enum drm_mode_status inno_hdmi_display_mode_valid(struct inno_hdmi *hdmi,
@@ -544,11 +507,11 @@ static void inno_hdmi_encoder_enable(struct drm_encoder *encoder,
crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
if (WARN_ON(!crtc_state))
return;
- inno_hdmi_setup(hdmi, &crtc_state->adjusted_mode);
+ inno_hdmi_setup(hdmi, crtc_state, conn_state);
}
static void inno_hdmi_encoder_disable(struct drm_encoder *encoder,
struct drm_atomic_state *state)
{
@@ -561,11 +524,10 @@ static int
inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
- struct inno_hdmi *hdmi = encoder_to_inno_hdmi(encoder);
struct drm_display_mode *mode = &crtc_state->adjusted_mode;
u8 vic = drm_match_cea_mode(mode);
struct inno_hdmi_connector_state *inno_conn_state =
to_inno_hdmi_conn_state(conn_state);
@@ -578,16 +540,11 @@ inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
vic == 17 || vic == 18)
inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_601;
else
inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709;
- inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB;
- inno_conn_state->rgb_limited_range =
- drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_LIMITED;
-
- return inno_hdmi_display_mode_valid(hdmi,
- &crtc_state->adjusted_mode) == MODE_OK ? 0 : -EINVAL;
+ return 0;
}
static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
.atomic_check = inno_hdmi_encoder_atomic_check,
.atomic_enable = inno_hdmi_encoder_enable,
@@ -660,14 +617,13 @@ static void inno_hdmi_connector_reset(struct drm_connector *connector)
inno_conn_state = kzalloc(sizeof(*inno_conn_state), GFP_KERNEL);
if (!inno_conn_state)
return;
__drm_atomic_helper_connector_reset(connector, &inno_conn_state->base);
+ __drm_atomic_helper_connector_hdmi_reset(connector, connector->state);
inno_conn_state->colorimetry = HDMI_COLORIMETRY_ITU_709;
- inno_conn_state->enc_out_format = HDMI_COLORSPACE_RGB;
- inno_conn_state->rgb_limited_range = false;
}
static struct drm_connector_state *
inno_hdmi_connector_duplicate_state(struct drm_connector *connector)
{
@@ -696,10 +652,11 @@ static const struct drm_connector_funcs inno_hdmi_connector_funcs = {
.atomic_duplicate_state = inno_hdmi_connector_duplicate_state,
.atomic_destroy_state = inno_hdmi_connector_destroy_state,
};
static struct drm_connector_helper_funcs inno_hdmi_connector_helper_funcs = {
+ .atomic_check = drm_atomic_helper_connector_hdmi_check,
.get_modes = inno_hdmi_connector_get_modes,
.mode_valid = inno_hdmi_connector_mode_valid,
};
static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
@@ -723,14 +680,18 @@ static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
drm_connector_helper_add(&hdmi->connector,
&inno_hdmi_connector_helper_funcs);
- drm_connector_init_with_ddc(drm, &hdmi->connector,
- &inno_hdmi_connector_funcs,
- DRM_MODE_CONNECTOR_HDMIA,
- hdmi->ddc);
+ drmm_connector_hdmi_init(drm, &hdmi->connector,
+ "Rockchip", "Inno HDMI",
+ &inno_hdmi_connector_funcs,
+ &inno_hdmi_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_HDMIA,
+ hdmi->ddc,
+ BIT(HDMI_COLORSPACE_RGB),
+ 8);
drm_connector_attach_encoder(&hdmi->connector, encoder);
return 0;
}
--
2.44.0
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