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-rw-r--r--drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c133
-rw-r--r--drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h10
-rw-r--r--drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c7
-rw-r--r--drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_util.h6
4 files changed, 148 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
index ab8e7a0ed6a5..c98f4511d644 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.c
@@ -1970,6 +1970,123 @@ enable_packet_control:
hdmi_write(hdmi, HDMI_GEN_PKT_CTRL, packet_control);
}
+static void sde_hdmi_update_colorimetry(struct sde_hdmi *display,
+ bool use_bt2020)
+{
+ struct hdmi *hdmi;
+ struct drm_connector *connector;
+ bool mode_is_yuv = false;
+ struct drm_display_mode *mode;
+ u32 mode_fmt_flags = 0;
+ u8 checksum;
+ u32 avi_info0 = 0;
+ u32 avi_info1 = 0;
+ u8 avi_iframe[HDMI_AVI_INFOFRAME_BUFFER_SIZE] = {0};
+ u8 *avi_frame = &avi_iframe[HDMI_INFOFRAME_HEADER_SIZE];
+ struct hdmi_avi_infoframe info;
+
+ if (!display) {
+ SDE_ERROR("invalid input\n");
+ return;
+ }
+
+ hdmi = display->ctrl.ctrl;
+
+ if (!hdmi) {
+ SDE_ERROR("invalid input\n");
+ return;
+ }
+
+ connector = display->ctrl.ctrl->connector;
+
+ if (!connector) {
+ SDE_ERROR("invalid input\n");
+ return;
+ }
+
+ if (!connector->hdr_supported) {
+ SDE_DEBUG("HDR is not supported\n");
+ return;
+ }
+
+ /* If sink doesn't support BT2020, just return */
+ if (!(connector->color_enc_fmt & DRM_EDID_COLORIMETRY_BT2020_YCC) ||
+ !(connector->color_enc_fmt & DRM_EDID_COLORIMETRY_BT2020_RGB)) {
+ SDE_DEBUG("BT2020 colorimetry is not supported\n");
+ return;
+ }
+
+ /* If there is no change in colorimetry, just return */
+ if (use_bt2020 && display->bt2020_colorimetry)
+ return;
+ else if (!use_bt2020 && !display->bt2020_colorimetry)
+ return;
+
+ mode = &display->mode;
+ /* Cache the format flags before clearing */
+ mode_fmt_flags = mode->flags;
+ /**
+ * Clear the RGB/YUV format flags before calling upstream API
+ * as the API also compares the flags and then returns a mode
+ */
+ mode->flags &= ~SDE_DRM_MODE_FLAG_FMT_MASK;
+ drm_hdmi_avi_infoframe_from_display_mode(&info, mode);
+ /* Restore the format flags */
+ mode->flags = mode_fmt_flags;
+
+ /* Mode should only support YUV and not both to set the flag */
+ if ((mode->private_flags & MSM_MODE_FLAG_COLOR_FORMAT_YCBCR420)
+ && !(mode->private_flags & MSM_MODE_FLAG_COLOR_FORMAT_RGB444)) {
+ mode_is_yuv = true;
+ }
+
+
+ if (!display->bt2020_colorimetry && use_bt2020) {
+ /**
+ * 1. Update colorimetry to use extended
+ * 2. Change extended to use BT2020
+ * 3. Change colorspace based on mode
+ * 4. Use limited as BT2020 is always limited
+ */
+ info.colorimetry = SDE_HDMI_USE_EXTENDED_COLORIMETRY;
+ info.extended_colorimetry = SDE_HDMI_BT2020_COLORIMETRY;
+ if (mode_is_yuv)
+ info.colorspace = HDMI_COLORSPACE_YUV420;
+ if (connector->yuv_qs)
+ info.ycc_quantization_range =
+ HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
+ } else if (display->bt2020_colorimetry && !use_bt2020) {
+ /**
+ * 1. Update colorimetry to non-extended
+ * 2. Change colorspace based on mode
+ * 3. Restore quantization to full if QS
+ * is enabled
+ */
+ info.colorimetry = SDE_HDMI_DEFAULT_COLORIMETRY;
+ if (mode_is_yuv)
+ info.colorspace = HDMI_COLORSPACE_YUV420;
+ if (connector->yuv_qs)
+ info.ycc_quantization_range =
+ HDMI_YCC_QUANTIZATION_RANGE_FULL;
+ }
+
+ hdmi_avi_infoframe_pack(&info, avi_iframe, sizeof(avi_iframe));
+ checksum = avi_iframe[HDMI_INFOFRAME_HEADER_SIZE - 1];
+ avi_info0 = checksum |
+ LEFT_SHIFT_BYTE(avi_frame[0]) |
+ LEFT_SHIFT_WORD(avi_frame[1]) |
+ LEFT_SHIFT_24BITS(avi_frame[2]);
+
+ avi_info1 = avi_frame[3] |
+ LEFT_SHIFT_BYTE(avi_frame[4]) |
+ LEFT_SHIFT_WORD(avi_frame[5]) |
+ LEFT_SHIFT_24BITS(avi_frame[6]);
+
+ hdmi_write(hdmi, REG_HDMI_AVI_INFO(0), avi_info0);
+ hdmi_write(hdmi, REG_HDMI_AVI_INFO(1), avi_info1);
+ display->bt2020_colorimetry = use_bt2020;
+}
+
static void sde_hdmi_clear_hdr_infoframe(struct sde_hdmi *display)
{
struct hdmi *hdmi;
@@ -2340,14 +2457,22 @@ int sde_hdmi_pre_kickoff(struct drm_connector *connector,
{
struct sde_hdmi *hdmi_display = (struct sde_hdmi *)display;
struct drm_msm_ext_panel_hdr_ctrl *hdr_ctrl;
+ struct drm_msm_ext_panel_hdr_metadata *hdr_meta;
u8 hdr_op;
- if (!connector || !display || !params) {
+ if (!connector || !display || !params ||
+ !params->hdr_ctrl) {
pr_err("Invalid params\n");
return -EINVAL;
}
hdr_ctrl = params->hdr_ctrl;
+ hdr_meta = &hdr_ctrl->hdr_meta;
+
+ if (!hdr_meta) {
+ SDE_ERROR("Invalid params\n");
+ return -EINVAL;
+ }
hdr_op = sde_hdmi_hdr_get_ops(hdmi_display->curr_hdr_state,
hdr_ctrl->hdr_state);
@@ -2356,6 +2481,12 @@ int sde_hdmi_pre_kickoff(struct drm_connector *connector,
if (connector->hdr_supported)
sde_hdmi_panel_set_hdr_infoframe(display,
&hdr_ctrl->hdr_meta);
+ if (hdr_meta->eotf)
+ sde_hdmi_update_colorimetry(hdmi_display,
+ true);
+ else
+ sde_hdmi_update_colorimetry(hdmi_display,
+ false);
} else if (hdr_op == HDR_CLEAR_INFO)
sde_hdmi_clear_hdr_infoframe(display);
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
index e80fc66a6244..672a9f188d27 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi.h
@@ -169,6 +169,7 @@ struct sde_hdmi {
bool pll_update_enable;
bool dc_enable;
bool dc_feature_supported;
+ bool bt2020_colorimetry;
struct delayed_work hdcp_cb_work;
struct dss_io_data io[HDMI_TX_MAX_IO];
@@ -201,6 +202,15 @@ enum hdmi_tx_scdc_access_type {
#define HDMI_GEN_PKT_CTRL_CLR_MASK 0x7
+/* for AVI program */
+#define HDMI_AVI_INFOFRAME_BUFFER_SIZE \
+ (HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE)
+#define HDMI_VS_INFOFRAME_BUFFER_SIZE (HDMI_INFOFRAME_HEADER_SIZE + 6)
+
+#define LEFT_SHIFT_BYTE(x) ((x) << 8)
+#define LEFT_SHIFT_WORD(x) ((x) << 16)
+#define LEFT_SHIFT_24BITS(x) ((x) << 24)
+
/* Maximum pixel clock rates for hdmi tx */
#define HDMI_DEFAULT_MAX_PCLK_RATE 148500
#define HDMI_TX_3_MAX_PCLK_RATE 297000
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
index d9a8feb14a23..e6b6d15b5fb7 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_bridge.c
@@ -99,17 +99,10 @@ struct sde_hdmi_bridge {
#define HDMI_TX_SCRAMBLER_TIMEOUT_MSEC 200
-/* for AVI program */
-#define HDMI_AVI_INFOFRAME_BUFFER_SIZE \
- (HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE)
-#define HDMI_VS_INFOFRAME_BUFFER_SIZE (HDMI_INFOFRAME_HEADER_SIZE + 6)
#define HDMI_SPD_INFOFRAME_BUFFER_SIZE \
(HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE)
#define HDMI_DEFAULT_VENDOR_NAME "unknown"
#define HDMI_DEFAULT_PRODUCT_NAME "msm"
-#define LEFT_SHIFT_BYTE(x) ((x) << 8)
-#define LEFT_SHIFT_WORD(x) ((x) << 16)
-#define LEFT_SHIFT_24BITS(x) ((x) << 24)
#define HDMI_AVI_IFRAME_LINE_NUMBER 1
#define HDMI_VENDOR_IFRAME_LINE_NUMBER 3
diff --git a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_util.h b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_util.h
index f18b44f51ff9..3c6b0f1b9dd4 100644
--- a/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_util.h
+++ b/drivers/gpu/drm/msm/hdmi-staging/sde_hdmi_util.h
@@ -98,6 +98,12 @@
#define HDMI_GET_LSB(x)(x & 0xff)
#define SDE_HDMI_VIC_640x480 0x1
+#define SDE_HDMI_YCC_QUANT_MASK (0x3 << 14)
+#define SDE_HDMI_COLORIMETRY_MASK (0x3 << 22)
+
+#define SDE_HDMI_DEFAULT_COLORIMETRY 0x0
+#define SDE_HDMI_USE_EXTENDED_COLORIMETRY 0x3
+#define SDE_HDMI_BT2020_COLORIMETRY 0x6
/*
* Bits 1:0 in HDMI_HW_DDC_CTRL that dictate how the HDCP 2.2 RxStatus will be
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-12 13:26:30 +0000