}
}
-static void
-intel_dp_setup_vsc_sdp(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
-{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct dp_sdp vsc_sdp = {};
-
- /* Prepare VSC Header for SU as per DP 1.4a spec, Table 2-119 */
- vsc_sdp.sdp_header.HB0 = 0;
- vsc_sdp.sdp_header.HB1 = 0x7;
-
- /*
- * VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/
- * Colorimetry Format indication.
- */
- vsc_sdp.sdp_header.HB2 = 0x5;
-
- /*
- * VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/
- * Colorimetry Format indication (HB2 = 05h).
- */
- vsc_sdp.sdp_header.HB3 = 0x13;
-
- /* DP 1.4a spec, Table 2-120 */
- switch (crtc_state->output_format) {
- case INTEL_OUTPUT_FORMAT_YCBCR444:
- vsc_sdp.db[16] = 0x1 << 4; /* YCbCr 444 : DB16[7:4] = 1h */
- break;
- case INTEL_OUTPUT_FORMAT_YCBCR420:
- vsc_sdp.db[16] = 0x3 << 4; /* YCbCr 420 : DB16[7:4] = 3h */
- break;
- case INTEL_OUTPUT_FORMAT_RGB:
- default:
- /* RGB: DB16[7:4] = 0h */
- break;
- }
-
- switch (conn_state->colorspace) {
- case DRM_MODE_COLORIMETRY_BT709_YCC:
- vsc_sdp.db[16] |= 0x1;
- break;
- case DRM_MODE_COLORIMETRY_XVYCC_601:
- vsc_sdp.db[16] |= 0x2;
- break;
- case DRM_MODE_COLORIMETRY_XVYCC_709:
- vsc_sdp.db[16] |= 0x3;
- break;
- case DRM_MODE_COLORIMETRY_SYCC_601:
- vsc_sdp.db[16] |= 0x4;
- break;
- case DRM_MODE_COLORIMETRY_OPYCC_601:
- vsc_sdp.db[16] |= 0x5;
- break;
- case DRM_MODE_COLORIMETRY_BT2020_CYCC:
- case DRM_MODE_COLORIMETRY_BT2020_RGB:
- vsc_sdp.db[16] |= 0x6;
- break;
- case DRM_MODE_COLORIMETRY_BT2020_YCC:
- vsc_sdp.db[16] |= 0x7;
- break;
- case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
- case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
- vsc_sdp.db[16] |= 0x4; /* DCI-P3 (SMPTE RP 431-2) */
- break;
- default:
- /* sRGB (IEC 61966-2-1) / ITU-R BT.601: DB16[0:3] = 0h */
-
- /* RGB->YCBCR color conversion uses the BT.709 color space. */
- if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
- vsc_sdp.db[16] |= 0x1; /* 0x1, ITU-R BT.709 */
- break;
- }
-
- /*
- * For pixel encoding formats YCbCr444, YCbCr422, YCbCr420, and Y Only,
- * the following Component Bit Depth values are defined:
- * 001b = 8bpc.
- * 010b = 10bpc.
- * 011b = 12bpc.
- * 100b = 16bpc.
- */
- switch (crtc_state->pipe_bpp) {
- case 24: /* 8bpc */
- vsc_sdp.db[17] = 0x1;
- break;
- case 30: /* 10bpc */
- vsc_sdp.db[17] = 0x2;
- break;
- case 36: /* 12bpc */
- vsc_sdp.db[17] = 0x3;
- break;
- case 48: /* 16bpc */
- vsc_sdp.db[17] = 0x4;
- break;
- default:
- MISSING_CASE(crtc_state->pipe_bpp);
- break;
- }
-
- /*
- * Dynamic Range (Bit 7)
- * 0 = VESA range, 1 = CTA range.
- * all YCbCr are always limited range
- */
- vsc_sdp.db[17] |= 0x80;
-
- /*
- * Content Type (Bits 2:0)
- * 000b = Not defined.
- * 001b = Graphics.
- * 010b = Photo.
- * 011b = Video.
- * 100b = Game
- * All other values are RESERVED.
- * Note: See CTA-861-G for the definition and expected
- * processing by a stream sink for the above contect types.
- */
- vsc_sdp.db[18] = 0;
-
- intel_dig_port->write_infoframe(&intel_dig_port->base,
- crtc_state, DP_SDP_VSC, &vsc_sdp, sizeof(vsc_sdp));
-}
-
-static void
-intel_dp_setup_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
-{
- struct drm_i915_private *i915 = dp_to_i915(intel_dp);
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct dp_sdp infoframe_sdp = {};
- struct hdmi_drm_infoframe drm_infoframe = {};
- const int infoframe_size = HDMI_INFOFRAME_HEADER_SIZE + HDMI_DRM_INFOFRAME_SIZE;
- unsigned char buf[HDMI_INFOFRAME_HEADER_SIZE + HDMI_DRM_INFOFRAME_SIZE];
- ssize_t len;
- int ret;
-
- ret = drm_hdmi_infoframe_set_hdr_metadata(&drm_infoframe, conn_state);
- if (ret) {
- drm_dbg_kms(&i915->drm,
- "couldn't set HDR metadata in infoframe\n");
- return;
- }
-
- len = hdmi_drm_infoframe_pack_only(&drm_infoframe, buf, sizeof(buf));
- if (len < 0) {
- drm_dbg_kms(&i915->drm,
- "buffer size is smaller than hdr metadata infoframe\n");
- return;
- }
-
- if (len != infoframe_size) {
- drm_dbg_kms(&i915->drm, "wrong static hdr metadata size\n");
- return;
- }
-
- /*
- * Set up the infoframe sdp packet for HDR static metadata.
- * Prepare VSC Header for SU as per DP 1.4a spec,
- * Table 2-100 and Table 2-101
- */
-
- /* Packet ID, 00h for non-Audio INFOFRAME */
- infoframe_sdp.sdp_header.HB0 = 0;
- /*
- * Packet Type 80h + Non-audio INFOFRAME Type value
- * HDMI_INFOFRAME_TYPE_DRM: 0x87,
- */
- infoframe_sdp.sdp_header.HB1 = drm_infoframe.type;
- /*
- * Least Significant Eight Bits of (Data Byte Count – 1)
- * infoframe_size - 1,
- */
- infoframe_sdp.sdp_header.HB2 = 0x1D;
- /* INFOFRAME SDP Version Number */
- infoframe_sdp.sdp_header.HB3 = (0x13 << 2);
- /* CTA Header Byte 2 (INFOFRAME Version Number) */
- infoframe_sdp.db[0] = drm_infoframe.version;
- /* CTA Header Byte 3 (Length of INFOFRAME): HDMI_DRM_INFOFRAME_SIZE */
- infoframe_sdp.db[1] = drm_infoframe.length;
- /*
- * Copy HDMI_DRM_INFOFRAME_SIZE size from a buffer after
- * HDMI_INFOFRAME_HEADER_SIZE
- */
- BUILD_BUG_ON(sizeof(infoframe_sdp.db) < HDMI_DRM_INFOFRAME_SIZE + 2);
- memcpy(&infoframe_sdp.db[2], &buf[HDMI_INFOFRAME_HEADER_SIZE],
- HDMI_DRM_INFOFRAME_SIZE);
-
- /*
- * Size of DP infoframe sdp packet for HDR static metadata is consist of
- * - DP SDP Header(struct dp_sdp_header): 4 bytes
- * - Two Data Blocks: 2 bytes
- * CTA Header Byte2 (INFOFRAME Version Number)
- * CTA Header Byte3 (Length of INFOFRAME)
- * - HDMI_DRM_INFOFRAME_SIZE: 26 bytes
- *
- * Prior to GEN11's GMP register size is identical to DP HDR static metadata
- * infoframe size. But GEN11+ has larger than that size, write_infoframe
- * will pad rest of the size.
- */
- intel_dig_port->write_infoframe(&intel_dig_port->base, crtc_state,
- HDMI_PACKET_TYPE_GAMUT_METADATA,
- &infoframe_sdp,
- sizeof(struct dp_sdp_header) + 2 + HDMI_DRM_INFOFRAME_SIZE);
-}
-
-void intel_dp_vsc_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
-{
- if (!intel_dp_needs_vsc_sdp(crtc_state, conn_state))
- return;
-
- intel_dp_setup_vsc_sdp(intel_dp, crtc_state, conn_state);
-}
-
-void intel_dp_hdr_metadata_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
-{
- if (!conn_state->hdr_output_metadata)
- return;
-
- intel_dp_setup_hdr_metadata_infoframe_sdp(intel_dp,
- crtc_state,
- conn_state);
-}
-
static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
projects / kernel.git / commitdiff