mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
ed1536e0b6
Deleted (upstreamed): generic/backport-5.15/890-v5.19-net-sfp-Add-tx-fault-workaround-for-Huawei-MA5671A-SFP-ON.patch [1] Other patches automatically rebased. [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.41&id=99858114a3b2c8f5f8707d9bbd46c50f547c87c0 Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
579 lines
18 KiB
Diff
579 lines
18 KiB
Diff
From ef94081204ede8c11a28b3c3713c54fee6bc6fea Mon Sep 17 00:00:00 2001
|
|
From: Maxime Ripard <maxime@cerno.tech>
|
|
Date: Fri, 4 Dec 2020 17:12:06 +0100
|
|
Subject: [PATCH] drm/vc4: hdmi: Support HDMI YUV output
|
|
|
|
In addition to the RGB444 output, the BCM2711 HDMI controller supports
|
|
the YUV444 and YUV422 output formats.
|
|
|
|
Let's add support for them in the driver, but still use RGB as the
|
|
preferred format.
|
|
|
|
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 289 ++++++++++++++++++++++++++--
|
|
drivers/gpu/drm/vc4/vc4_hdmi.h | 14 ++
|
|
drivers/gpu/drm/vc4/vc4_hdmi_regs.h | 6 +
|
|
drivers/gpu/drm/vc4/vc4_regs.h | 16 ++
|
|
4 files changed, 309 insertions(+), 16 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
@@ -103,15 +103,30 @@
|
|
|
|
#define HDMI_14_MAX_TMDS_CLK (340 * 1000 * 1000)
|
|
|
|
+static const char * const output_format_str[] = {
|
|
+ [VC4_HDMI_OUTPUT_RGB] = "RGB",
|
|
+ [VC4_HDMI_OUTPUT_YUV420] = "YUV 4:2:0",
|
|
+ [VC4_HDMI_OUTPUT_YUV422] = "YUV 4:2:2",
|
|
+ [VC4_HDMI_OUTPUT_YUV444] = "YUV 4:4:4",
|
|
+};
|
|
+
|
|
+static const char *vc4_hdmi_output_fmt_str(enum vc4_hdmi_output_format fmt)
|
|
+{
|
|
+ if (fmt >= ARRAY_SIZE(output_format_str))
|
|
+ return "invalid";
|
|
+
|
|
+ return output_format_str[fmt];
|
|
+}
|
|
|
|
static unsigned long long
|
|
vc4_hdmi_encoder_compute_mode_clock(const struct drm_display_mode *mode,
|
|
- unsigned int bpc);
|
|
+ unsigned int bpc, enum vc4_hdmi_output_format fmt);
|
|
|
|
static bool vc4_hdmi_mode_needs_scrambling(const struct drm_display_mode *mode,
|
|
- unsigned int bpc)
|
|
+ unsigned int bpc,
|
|
+ enum vc4_hdmi_output_format fmt)
|
|
{
|
|
- unsigned long long clock = vc4_hdmi_encoder_compute_mode_clock(mode, bpc);
|
|
+ unsigned long long clock = vc4_hdmi_encoder_compute_mode_clock(mode, bpc, fmt);
|
|
|
|
return clock > HDMI_14_MAX_TMDS_CLK;
|
|
}
|
|
@@ -285,7 +300,7 @@ static int vc4_hdmi_connector_get_modes(
|
|
struct drm_display_mode *mode;
|
|
|
|
list_for_each_entry(mode, &connector->probed_modes, head) {
|
|
- if (vc4_hdmi_mode_needs_scrambling(mode, 8)) {
|
|
+ if (vc4_hdmi_mode_needs_scrambling(mode, 8, VC4_HDMI_OUTPUT_RGB)) {
|
|
drm_warn_once(drm, "The core clock cannot reach frequencies high enough to support 4k @ 60Hz.");
|
|
drm_warn_once(drm, "Please change your config.txt file to add hdmi_enable_4kp60.");
|
|
}
|
|
@@ -342,6 +357,7 @@ static void vc4_hdmi_connector_reset(str
|
|
|
|
new_state->base.max_bpc = 8;
|
|
new_state->base.max_requested_bpc = 8;
|
|
+ new_state->output_format = VC4_HDMI_OUTPUT_RGB;
|
|
drm_atomic_helper_connector_tv_reset(connector);
|
|
}
|
|
|
|
@@ -358,6 +374,7 @@ vc4_hdmi_connector_duplicate_state(struc
|
|
|
|
new_state->pixel_rate = vc4_state->pixel_rate;
|
|
new_state->output_bpc = vc4_state->output_bpc;
|
|
+ new_state->output_format = vc4_state->output_format;
|
|
__drm_atomic_helper_connector_duplicate_state(connector, &new_state->base);
|
|
|
|
return &new_state->base;
|
|
@@ -511,11 +528,38 @@ static void vc4_hdmi_write_infoframe(str
|
|
DRM_ERROR("Failed to wait for infoframe to start: %d\n", ret);
|
|
}
|
|
|
|
+static void vc4_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
|
|
+ enum vc4_hdmi_output_format fmt)
|
|
+{
|
|
+ switch (fmt) {
|
|
+ case VC4_HDMI_OUTPUT_RGB:
|
|
+ frame->colorspace = HDMI_COLORSPACE_RGB;
|
|
+ break;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV420:
|
|
+ frame->colorspace = HDMI_COLORSPACE_YUV420;
|
|
+ break;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV422:
|
|
+ frame->colorspace = HDMI_COLORSPACE_YUV422;
|
|
+ break;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV444:
|
|
+ frame->colorspace = HDMI_COLORSPACE_YUV444;
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+}
|
|
+
|
|
static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
|
|
{
|
|
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
|
|
struct drm_connector *connector = &vc4_hdmi->connector;
|
|
struct drm_connector_state *cstate = connector->state;
|
|
+ struct vc4_hdmi_connector_state *vc4_state =
|
|
+ conn_state_to_vc4_hdmi_conn_state(cstate);
|
|
const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
|
|
union hdmi_infoframe frame;
|
|
int ret;
|
|
@@ -535,6 +579,7 @@ static void vc4_hdmi_set_avi_infoframe(s
|
|
HDMI_QUANTIZATION_RANGE_FULL :
|
|
HDMI_QUANTIZATION_RANGE_LIMITED);
|
|
drm_hdmi_avi_infoframe_colorimetry(&frame.avi, cstate);
|
|
+ vc4_hdmi_avi_infoframe_colorspace(&frame.avi, vc4_state->output_format);
|
|
drm_hdmi_avi_infoframe_bars(&frame.avi, cstate);
|
|
|
|
vc4_hdmi_write_infoframe(encoder, &frame);
|
|
@@ -637,7 +682,9 @@ static void vc4_hdmi_enable_scrambling(s
|
|
if (!vc4_hdmi_supports_scrambling(encoder, mode))
|
|
return;
|
|
|
|
- if (!vc4_hdmi_mode_needs_scrambling(mode, vc4_hdmi->output_bpc))
|
|
+ if (!vc4_hdmi_mode_needs_scrambling(mode,
|
|
+ vc4_hdmi->output_bpc,
|
|
+ vc4_hdmi->output_format))
|
|
return;
|
|
|
|
drm_scdc_set_high_tmds_clock_ratio(vc4_hdmi->ddc, true);
|
|
@@ -825,6 +872,38 @@ static const u16 vc5_hdmi_csc_full_rgb_t
|
|
{ 0x0000, 0x0000, 0x1b80, 0x0400 },
|
|
};
|
|
|
|
+/*
|
|
+ * Conversion between Full Range RGB and Full Range YUV422 using the
|
|
+ * BT.709 Colorspace
|
|
+ *
|
|
+ * [ 0.212639 0.715169 0.072192 0 ]
|
|
+ * [ -0.117208 -0.394207 0.511416 128 ]
|
|
+ * [ 0.511416 -0.464524 -0.046891 128 ]
|
|
+ *
|
|
+ * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
|
|
+ */
|
|
+static const u16 vc5_hdmi_csc_full_rgb_to_full_yuv422_bt709[3][4] = {
|
|
+ { 0x06ce, 0x16e3, 0x024f, 0x0000 },
|
|
+ { 0xfc41, 0xf364, 0x105e, 0x2000 },
|
|
+ { 0x105e, 0xf124, 0xfe81, 0x2000 },
|
|
+};
|
|
+
|
|
+/*
|
|
+ * Conversion between Full Range RGB and Full Range YUV444 using the
|
|
+ * BT.709 Colorspace
|
|
+ *
|
|
+ * [ -0.117208 -0.394207 0.511416 128 ]
|
|
+ * [ 0.511416 -0.464524 -0.046891 128 ]
|
|
+ * [ 0.212639 0.715169 0.072192 0 ]
|
|
+ *
|
|
+ * Matrix is signed 2p13 fixed point, with signed 9p6 offsets
|
|
+ */
|
|
+static const u16 vc5_hdmi_csc_full_rgb_to_full_yuv444_bt709[3][4] = {
|
|
+ { 0xfc41, 0xf364, 0x105e, 0x2000 },
|
|
+ { 0x105e, 0xf124, 0xfe81, 0x2000 },
|
|
+ { 0x06ce, 0x16e3, 0x024f, 0x0000 },
|
|
+};
|
|
+
|
|
static void vc5_hdmi_set_csc_coeffs(struct vc4_hdmi *vc4_hdmi,
|
|
const u16 coeffs[3][4])
|
|
{
|
|
@@ -842,19 +921,53 @@ static void vc5_hdmi_csc_setup(struct vc
|
|
struct drm_connector_state *state,
|
|
const struct drm_display_mode *mode)
|
|
{
|
|
+ struct vc4_hdmi_connector_state *vc4_state =
|
|
+ conn_state_to_vc4_hdmi_conn_state(state);
|
|
unsigned long flags;
|
|
+ u32 if_cfg = 0;
|
|
+ u32 if_xbar = 0x543210;
|
|
+ u32 csc_chan_ctl = 0;
|
|
u32 csc_ctl = VC5_MT_CP_CSC_CTL_ENABLE | VC4_SET_FIELD(VC4_HD_CSC_CTL_MODE_CUSTOM,
|
|
VC5_MT_CP_CSC_CTL_MODE);
|
|
|
|
spin_lock_irqsave(&vc4_hdmi->hw_lock, flags);
|
|
|
|
- HDMI_WRITE(HDMI_VEC_INTERFACE_XBAR, 0x354021);
|
|
+ switch (vc4_state->output_format) {
|
|
+ case VC4_HDMI_OUTPUT_YUV444:
|
|
+ vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_full_yuv444_bt709);
|
|
+ break;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV422:
|
|
+ csc_ctl |= VC4_SET_FIELD(VC5_MT_CP_CSC_CTL_FILTER_MODE_444_TO_422_STANDARD,
|
|
+ VC5_MT_CP_CSC_CTL_FILTER_MODE_444_TO_422) |
|
|
+ VC5_MT_CP_CSC_CTL_USE_444_TO_422 |
|
|
+ VC5_MT_CP_CSC_CTL_USE_RNG_SUPPRESSION;
|
|
|
|
- if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode))
|
|
- vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_limited_rgb);
|
|
- else
|
|
- vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_unity);
|
|
+ csc_chan_ctl |= VC4_SET_FIELD(VC5_MT_CP_CHANNEL_CTL_OUTPUT_REMAP_LEGACY_STYLE,
|
|
+ VC5_MT_CP_CHANNEL_CTL_OUTPUT_REMAP);
|
|
+
|
|
+ if_cfg |= VC4_SET_FIELD(VC5_DVP_HT_VEC_INTERFACE_CFG_SEL_422_FORMAT_422_LEGACY,
|
|
+ VC5_DVP_HT_VEC_INTERFACE_CFG_SEL_422);
|
|
+
|
|
+ vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_full_yuv422_bt709);
|
|
+ break;
|
|
|
|
+ case VC4_HDMI_OUTPUT_RGB:
|
|
+ if_xbar = 0x354021;
|
|
+
|
|
+ if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode))
|
|
+ vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_limited_rgb);
|
|
+ else
|
|
+ vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_unity);
|
|
+ break;
|
|
+
|
|
+ default:
|
|
+ break;
|
|
+ }
|
|
+
|
|
+ HDMI_WRITE(HDMI_VEC_INTERFACE_CFG, if_cfg);
|
|
+ HDMI_WRITE(HDMI_VEC_INTERFACE_XBAR, if_xbar);
|
|
+ HDMI_WRITE(HDMI_CSC_CHANNEL_CTL, csc_chan_ctl);
|
|
HDMI_WRITE(HDMI_CSC_CTL, csc_ctl);
|
|
|
|
spin_unlock_irqrestore(&vc4_hdmi->hw_lock, flags);
|
|
@@ -980,6 +1093,15 @@ static void vc5_hdmi_set_timings(struct
|
|
break;
|
|
}
|
|
|
|
+ /*
|
|
+ * YCC422 is always 36-bit and not considered deep colour so
|
|
+ * doesn't signal in GCP
|
|
+ */
|
|
+ if (vc4_state->output_format == VC4_HDMI_OUTPUT_YUV422) {
|
|
+ gcp = 4;
|
|
+ gcp_en = false;
|
|
+ }
|
|
+
|
|
reg = HDMI_READ(HDMI_DEEP_COLOR_CONFIG_1);
|
|
reg &= ~(VC5_HDMI_DEEP_COLOR_CONFIG_1_INIT_PACK_PHASE_MASK |
|
|
VC5_HDMI_DEEP_COLOR_CONFIG_1_COLOR_DEPTH_MASK);
|
|
@@ -1259,12 +1381,97 @@ static void vc4_hdmi_encoder_atomic_mode
|
|
|
|
mutex_lock(&vc4_hdmi->mutex);
|
|
vc4_hdmi->output_bpc = vc4_state->output_bpc;
|
|
+ vc4_hdmi->output_format = vc4_state->output_format;
|
|
memcpy(&vc4_hdmi->saved_adjusted_mode,
|
|
&crtc_state->adjusted_mode,
|
|
sizeof(vc4_hdmi->saved_adjusted_mode));
|
|
mutex_unlock(&vc4_hdmi->mutex);
|
|
}
|
|
|
|
+static bool
|
|
+vc4_hdmi_sink_supports_format_bpc(const struct vc4_hdmi *vc4_hdmi,
|
|
+ const struct drm_display_info *info,
|
|
+ const struct drm_display_mode *mode,
|
|
+ unsigned int format, unsigned int bpc)
|
|
+{
|
|
+ struct drm_device *dev = vc4_hdmi->connector.dev;
|
|
+ u8 vic = drm_match_cea_mode(mode);
|
|
+
|
|
+ if (vic == 1 && bpc != 8) {
|
|
+ drm_dbg(dev, "VIC1 requires a bpc of 8, got %u\n", bpc);
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (!info->is_hdmi &&
|
|
+ (format != VC4_HDMI_OUTPUT_RGB || bpc != 8)) {
|
|
+ drm_dbg(dev, "DVI Monitors require an RGB output at 8 bpc\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ switch (format) {
|
|
+ case VC4_HDMI_OUTPUT_RGB:
|
|
+ drm_dbg(dev, "RGB Format, checking the constraints.\n");
|
|
+
|
|
+ if (!(info->color_formats & DRM_COLOR_FORMAT_RGB444))
|
|
+ return false;
|
|
+
|
|
+ if (bpc == 10 && !(info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30)) {
|
|
+ drm_dbg(dev, "10 BPC but sink doesn't support Deep Color 30.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (bpc == 12 && !(info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_36)) {
|
|
+ drm_dbg(dev, "12 BPC but sink doesn't support Deep Color 36.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ drm_dbg(dev, "RGB format supported in that configuration.\n");
|
|
+
|
|
+ return true;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV422:
|
|
+ drm_dbg(dev, "YUV422 format, checking the constraints.\n");
|
|
+
|
|
+ if (!(info->color_formats & DRM_COLOR_FORMAT_YCRCB422)) {
|
|
+ drm_dbg(dev, "Sink doesn't support YUV422.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (bpc != 12) {
|
|
+ drm_dbg(dev, "YUV422 only supports 12 bpc.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ drm_dbg(dev, "YUV422 format supported in that configuration.\n");
|
|
+
|
|
+ return true;
|
|
+
|
|
+ case VC4_HDMI_OUTPUT_YUV444:
|
|
+ drm_dbg(dev, "YUV444 format, checking the constraints.\n");
|
|
+
|
|
+ if (!(info->color_formats & DRM_COLOR_FORMAT_YCRCB444)) {
|
|
+ drm_dbg(dev, "Sink doesn't support YUV444.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (bpc == 10 && !(info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_30)) {
|
|
+ drm_dbg(dev, "10 BPC but sink doesn't support Deep Color 30.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (bpc == 12 && !(info->edid_hdmi_rgb444_dc_modes & DRM_EDID_HDMI_DC_36)) {
|
|
+ drm_dbg(dev, "12 BPC but sink doesn't support Deep Color 36.\n");
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ drm_dbg(dev, "YUV444 format supported in that configuration.\n");
|
|
+
|
|
+ return true;
|
|
+ }
|
|
+
|
|
+ return false;
|
|
+}
|
|
+
|
|
static enum drm_mode_status
|
|
vc4_hdmi_encoder_clock_valid(const struct vc4_hdmi *vc4_hdmi,
|
|
unsigned long long clock)
|
|
@@ -1286,13 +1493,17 @@ vc4_hdmi_encoder_clock_valid(const struc
|
|
|
|
static unsigned long long
|
|
vc4_hdmi_encoder_compute_mode_clock(const struct drm_display_mode *mode,
|
|
- unsigned int bpc)
|
|
+ unsigned int bpc,
|
|
+ enum vc4_hdmi_output_format fmt)
|
|
{
|
|
unsigned long long clock = mode->crtc_clock * 1000;
|
|
|
|
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
|
|
clock = clock * 2;
|
|
|
|
+ if (fmt == VC4_HDMI_OUTPUT_YUV422)
|
|
+ bpc = 8;
|
|
+
|
|
return clock * bpc / 8;
|
|
}
|
|
|
|
@@ -1300,11 +1511,11 @@ static int
|
|
vc4_hdmi_encoder_compute_clock(const struct vc4_hdmi *vc4_hdmi,
|
|
struct vc4_hdmi_connector_state *vc4_state,
|
|
const struct drm_display_mode *mode,
|
|
- unsigned int bpc)
|
|
+ unsigned int bpc, unsigned int fmt)
|
|
{
|
|
unsigned long long clock;
|
|
|
|
- clock = vc4_hdmi_encoder_compute_mode_clock(mode, bpc);
|
|
+ clock = vc4_hdmi_encoder_compute_mode_clock(mode, bpc, fmt);
|
|
if (vc4_hdmi_encoder_clock_valid(vc4_hdmi, clock) != MODE_OK)
|
|
return -EINVAL;
|
|
|
|
@@ -1314,10 +1525,55 @@ vc4_hdmi_encoder_compute_clock(const str
|
|
}
|
|
|
|
static int
|
|
+vc4_hdmi_encoder_compute_format(const struct vc4_hdmi *vc4_hdmi,
|
|
+ struct vc4_hdmi_connector_state *vc4_state,
|
|
+ const struct drm_display_mode *mode,
|
|
+ unsigned int bpc)
|
|
+{
|
|
+ struct drm_device *dev = vc4_hdmi->connector.dev;
|
|
+ const struct drm_connector *connector = &vc4_hdmi->connector;
|
|
+ const struct drm_display_info *info = &connector->display_info;
|
|
+ unsigned int format;
|
|
+
|
|
+ drm_dbg(dev, "Trying with an RGB output\n");
|
|
+
|
|
+ format = VC4_HDMI_OUTPUT_RGB;
|
|
+ if (vc4_hdmi_sink_supports_format_bpc(vc4_hdmi, info, mode, format, bpc)) {
|
|
+ int ret;
|
|
+
|
|
+ ret = vc4_hdmi_encoder_compute_clock(vc4_hdmi, vc4_state,
|
|
+ mode, bpc, format);
|
|
+ if (!ret) {
|
|
+ vc4_state->output_format = format;
|
|
+ return 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ drm_dbg(dev, "Failed, Trying with an YUV422 output\n");
|
|
+
|
|
+ format = VC4_HDMI_OUTPUT_YUV422;
|
|
+ if (vc4_hdmi_sink_supports_format_bpc(vc4_hdmi, info, mode, format, bpc)) {
|
|
+ int ret;
|
|
+
|
|
+ ret = vc4_hdmi_encoder_compute_clock(vc4_hdmi, vc4_state,
|
|
+ mode, bpc, format);
|
|
+ if (!ret) {
|
|
+ vc4_state->output_format = format;
|
|
+ return 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ drm_dbg(dev, "Failed. No Format Supported for that bpc count.\n");
|
|
+
|
|
+ return -EINVAL;
|
|
+}
|
|
+
|
|
+static int
|
|
vc4_hdmi_encoder_compute_config(const struct vc4_hdmi *vc4_hdmi,
|
|
struct vc4_hdmi_connector_state *vc4_state,
|
|
const struct drm_display_mode *mode)
|
|
{
|
|
+ struct drm_device *dev = vc4_hdmi->connector.dev;
|
|
struct drm_connector_state *conn_state = &vc4_state->base;
|
|
unsigned int max_bpc = clamp_t(unsigned int, conn_state->max_bpc, 8, 12);
|
|
unsigned int bpc;
|
|
@@ -1326,17 +1582,18 @@ vc4_hdmi_encoder_compute_config(const st
|
|
for (bpc = max_bpc; bpc >= 8; bpc -= 2) {
|
|
drm_dbg(dev, "Trying with a %d bpc output\n", bpc);
|
|
|
|
- ret = vc4_hdmi_encoder_compute_clock(vc4_hdmi, vc4_state,
|
|
- mode, bpc);
|
|
+ ret = vc4_hdmi_encoder_compute_format(vc4_hdmi, vc4_state,
|
|
+ mode, bpc);
|
|
if (ret)
|
|
continue;
|
|
|
|
vc4_state->output_bpc = bpc;
|
|
|
|
drm_dbg(dev,
|
|
- "Mode %ux%u @ %uHz: Found configuration: bpc: %u, clock: %llu\n",
|
|
+ "Mode %ux%u @ %uHz: Found configuration: bpc: %u, fmt: %s, clock: %llu\n",
|
|
mode->hdisplay, mode->vdisplay, drm_mode_vrefresh(mode),
|
|
vc4_state->output_bpc,
|
|
+ vc4_hdmi_output_fmt_str(vc4_state->output_format),
|
|
vc4_state->pixel_rate);
|
|
|
|
break;
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
|
|
@@ -121,6 +121,13 @@ struct vc4_hdmi_audio {
|
|
bool streaming;
|
|
};
|
|
|
|
+enum vc4_hdmi_output_format {
|
|
+ VC4_HDMI_OUTPUT_RGB,
|
|
+ VC4_HDMI_OUTPUT_YUV422,
|
|
+ VC4_HDMI_OUTPUT_YUV444,
|
|
+ VC4_HDMI_OUTPUT_YUV420,
|
|
+};
|
|
+
|
|
/* General HDMI hardware state. */
|
|
struct vc4_hdmi {
|
|
struct vc4_hdmi_audio audio;
|
|
@@ -227,6 +234,12 @@ struct vc4_hdmi {
|
|
*/
|
|
unsigned int output_bpc;
|
|
|
|
+ /**
|
|
+ * @output_format: Copy of @vc4_connector_state.output_format
|
|
+ * for use outside of KMS hooks. Protected by @mutex.
|
|
+ */
|
|
+ enum vc4_hdmi_output_format output_format;
|
|
+
|
|
/* VC5 debugfs regset */
|
|
struct debugfs_regset32 cec_regset;
|
|
struct debugfs_regset32 csc_regset;
|
|
@@ -254,6 +267,7 @@ struct vc4_hdmi_connector_state {
|
|
struct drm_connector_state base;
|
|
unsigned long long pixel_rate;
|
|
unsigned int output_bpc;
|
|
+ enum vc4_hdmi_output_format output_format;
|
|
};
|
|
|
|
static inline struct vc4_hdmi_connector_state *
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi_regs.h
|
|
@@ -54,6 +54,7 @@ enum vc4_hdmi_field {
|
|
HDMI_CSC_24_23,
|
|
HDMI_CSC_32_31,
|
|
HDMI_CSC_34_33,
|
|
+ HDMI_CSC_CHANNEL_CTL,
|
|
HDMI_CSC_CTL,
|
|
|
|
/*
|
|
@@ -119,6 +120,7 @@ enum vc4_hdmi_field {
|
|
HDMI_TX_PHY_POWERDOWN_CTL,
|
|
HDMI_TX_PHY_RESET_CTL,
|
|
HDMI_TX_PHY_TMDS_CLK_WORD_SEL,
|
|
+ HDMI_VEC_INTERFACE_CFG,
|
|
HDMI_VEC_INTERFACE_XBAR,
|
|
HDMI_VERTA0,
|
|
HDMI_VERTA1,
|
|
@@ -246,6 +248,7 @@ static const struct vc4_hdmi_register __
|
|
VC4_HDMI_REG(HDMI_SCRAMBLER_CTL, 0x1c4),
|
|
|
|
VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
|
|
+ VC5_DVP_REG(HDMI_VEC_INTERFACE_CFG, 0x0ec),
|
|
VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
|
|
|
|
VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
|
|
@@ -291,6 +294,7 @@ static const struct vc4_hdmi_register __
|
|
VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
|
|
VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
|
|
VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
|
|
+ VC5_CSC_REG(HDMI_CSC_CHANNEL_CTL, 0x02c),
|
|
};
|
|
|
|
static const struct vc4_hdmi_register __maybe_unused vc5_hdmi_hdmi1_fields[] = {
|
|
@@ -327,6 +331,7 @@ static const struct vc4_hdmi_register __
|
|
VC4_HDMI_REG(HDMI_SCRAMBLER_CTL, 0x1c4),
|
|
|
|
VC5_DVP_REG(HDMI_CLOCK_STOP, 0x0bc),
|
|
+ VC5_DVP_REG(HDMI_VEC_INTERFACE_CFG, 0x0ec),
|
|
VC5_DVP_REG(HDMI_VEC_INTERFACE_XBAR, 0x0f0),
|
|
|
|
VC5_PHY_REG(HDMI_TX_PHY_RESET_CTL, 0x000),
|
|
@@ -372,6 +377,7 @@ static const struct vc4_hdmi_register __
|
|
VC5_CSC_REG(HDMI_CSC_24_23, 0x010),
|
|
VC5_CSC_REG(HDMI_CSC_32_31, 0x014),
|
|
VC5_CSC_REG(HDMI_CSC_34_33, 0x018),
|
|
+ VC5_CSC_REG(HDMI_CSC_CHANNEL_CTL, 0x02c),
|
|
};
|
|
|
|
static inline
|
|
--- a/drivers/gpu/drm/vc4/vc4_regs.h
|
|
+++ b/drivers/gpu/drm/vc4/vc4_regs.h
|
|
@@ -796,11 +796,27 @@ enum {
|
|
# define VC4_HD_CSC_CTL_RGB2YCC BIT(1)
|
|
# define VC4_HD_CSC_CTL_ENABLE BIT(0)
|
|
|
|
+# define VC5_MT_CP_CSC_CTL_USE_444_TO_422 BIT(6)
|
|
+# define VC5_MT_CP_CSC_CTL_FILTER_MODE_444_TO_422_MASK \
|
|
+ VC4_MASK(5, 4)
|
|
+# define VC5_MT_CP_CSC_CTL_FILTER_MODE_444_TO_422_STANDARD \
|
|
+ 3
|
|
+# define VC5_MT_CP_CSC_CTL_USE_RNG_SUPPRESSION BIT(3)
|
|
# define VC5_MT_CP_CSC_CTL_ENABLE BIT(2)
|
|
# define VC5_MT_CP_CSC_CTL_MODE_MASK VC4_MASK(1, 0)
|
|
|
|
+# define VC5_MT_CP_CHANNEL_CTL_OUTPUT_REMAP_MASK \
|
|
+ VC4_MASK(7, 6)
|
|
+# define VC5_MT_CP_CHANNEL_CTL_OUTPUT_REMAP_LEGACY_STYLE \
|
|
+ 2
|
|
+
|
|
# define VC4_DVP_HT_CLOCK_STOP_PIXEL BIT(1)
|
|
|
|
+# define VC5_DVP_HT_VEC_INTERFACE_CFG_SEL_422_MASK \
|
|
+ VC4_MASK(3, 2)
|
|
+# define VC5_DVP_HT_VEC_INTERFACE_CFG_SEL_422_FORMAT_422_LEGACY \
|
|
+ 2
|
|
+
|
|
/* HVS display list information. */
|
|
#define HVS_BOOTLOADER_DLIST_END 32
|
|
|