From 91d0526a2bbc35d9576a7d0f10d8380344cc77da Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Thu, 2 May 2024 16:19:42 +0300 Subject: tools/intel_vbt_decode: Decode block 46 (Chromaticity For Narrow Gamut Panel) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Decode VBT block 46 (Chromaticity For Narrow Gamut Panel). Contains a bunch of chromaticity coordinates. Haven't bothered to figure out what the units are. Example output from CFL: BDB block 46 (304 bytes, min 304 bytes) - Chromaticity for narrow gamut panel: 0000: 2e 30 01 00 88 88 88 88 88 88 88 88 88 88 00 88 0010: 88 88 88 88 88 88 88 88 88 00 88 88 88 88 88 88 0020: 88 88 88 88 00 88 88 88 88 88 88 88 88 88 88 00 0030: 88 88 88 88 88 88 88 88 88 88 00 88 88 88 88 88 0040: 88 88 88 88 88 00 88 88 88 88 88 88 88 88 88 88 0050: 00 88 88 88 88 88 88 88 88 88 88 00 88 88 88 88 0060: 88 88 88 88 88 88 00 88 88 88 88 88 88 88 88 88 0070: 88 00 88 88 88 88 88 88 88 88 88 88 00 88 88 88 0080: 88 88 88 88 88 88 88 00 88 88 88 88 88 88 88 88 0090: 88 88 00 88 88 88 88 88 88 88 88 88 88 00 88 88 00a0: 88 88 88 88 88 88 88 88 00 88 88 88 88 88 88 88 00b0: 88 88 88 00 00 00 00 00 00 00 ff 00 00 00 00 00 00c0: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 00d0: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 00e0: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 00f0: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 0100: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 0110: 00 00 ff 00 00 00 00 00 00 00 ff 00 00 00 00 00 0120: 00 00 ff 01 40 4e b0 5c b0 5c ff 00 00 00 00 00 0130: 00 00 ff Panel 0 (LFP2) Use chromaticity values from EDID base block: no Chromaticity enable: no Red X coordinate: 0.533203 (0x222) Red Y coordinate: 0.531250 (0x220) Green X coordinate: 0.533203 (0x222) Green Y coordinate: 0.531250 (0x220) Blue X coordinate: 0.533203 (0x222) Blue Y coordinate: 0.531250 (0x220) White X coordinate: 0.533203 (0x222) White Y coordinate: 0.531250 (0x220) Gamma enable: no Luminance enable: no Minimum luminance: 0.000000 (0x0000) Maximum luminance: 0.000000 (0x0000) 1% maximum luminanace: 0.000000 (0x0000) Gamma: n/a (0xff) ... Panel 14 Use chromaticity values from EDID base block: no Chromaticity enable: no Red X coordinate: 0.533203 (0x222) Red Y coordinate: 0.531250 (0x220) Green X coordinate: 0.533203 (0x222) Green Y coordinate: 0.531250 (0x220) Blue X coordinate: 0.533203 (0x222) Blue Y coordinate: 0.531250 (0x220) White X coordinate: 0.533203 (0x222) White Y coordinate: 0.531250 (0x220) Gamma enable: no Luminance enable: yes Minimum luminance: 25.000000 (0x4e40) Maximum luminance: 300.000000 (0x5cb0) 1% maximum luminanace: 300.000000 (0x5cb0) Gamma: n/a (0xff) Panel 15 Use chromaticity values from EDID base block: no Chromaticity enable: no Red X coordinate: 0.533203 (0x222) Red Y coordinate: 0.531250 (0x220) Green X coordinate: 0.533203 (0x222) Green Y coordinate: 0.531250 (0x220) Blue X coordinate: 0.533203 (0x222) Blue Y coordinate: 0.531250 (0x220) White X coordinate: 0.533203 (0x222) White Y coordinate: 0.531250 (0x220) Gamma enable: no Luminance enable: no Minimum luminance: 0.000000 (0x0000) Maximum luminance: 0.000000 (0x0000) 1% maximum luminanace: 0.000000 (0x0000) Gamma: n/a (0xff) Signed-off-by: Ville Syrjälä Acked-by: Jani Nikula --- tools/intel_vbt_decode.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) (limited to 'tools') diff --git a/tools/intel_vbt_decode.c b/tools/intel_vbt_decode.c index 952435d49..5d4b66cfe 100644 --- a/tools/intel_vbt_decode.c +++ b/tools/intel_vbt_decode.c @@ -39,6 +39,7 @@ #include #include "igt_aux.h" +#include "igt_halffloat.h" #include "intel_io.h" #include "intel_chipset.h" #include "drmtest.h" @@ -384,6 +385,8 @@ static size_t block_min_size(const struct context *context, int section_id) return sizeof(struct bdb_lfp_power); case BDB_EDP_BFI: return sizeof(struct bdb_edp_bfi); + case BDB_CHROMATICITY: + return sizeof(struct bdb_chromaticity); case BDB_MIPI_CONFIG: return sizeof(struct bdb_mipi_config); case BDB_MIPI_SEQUENCE: @@ -2706,6 +2709,84 @@ static void dump_edp_bfi(struct context *context, } } +static float decode_coordinate(int value) +{ + return 1.0f * value / (1 << 10); +} + +static float decode_luminance(uint16_t value) +{ + float f; + + igt_half_to_float(&value, &f, 1); + + return f; +} + +static float decode_gamma(int value) +{ + return (value + 100) / 100.0f; +} + +static void dump_chromaticity(struct context *context, + const struct bdb_block *block) +{ + const struct bdb_chromaticity *chromaticity = block_data(block); + + for (int i = 0; i < 16; i++) { + const struct chromaticity *c = &chromaticity->chromaticity[i]; + const struct luminance_and_gamma *l = &chromaticity->luminance_and_gamma[i]; + int x, y; + + if (!dump_panel(context, i)) + continue; + + printf("\tPanel %d%s\n", i, panel_str(context, i)); + + printf("\t\tUse chromaticity values from EDID base block: %s\n", + YESNO(c->chromaticity_from_edid_base_block)); + printf("\t\tChromaticity enable: %s\n", + YESNO(c->chromaticity_enable)); + + x = (c->red_x_hi << 2) | c->red_x_lo; + y = (c->red_y_hi << 2) | c->red_y_lo; + printf("\t\tRed X coordinate: %f (0x%03x)\n", decode_coordinate(x), x); + printf("\t\tRed Y coordinate: %f (0x%03x)\n", decode_coordinate(y), y); + + x = (c->green_x_hi << 2) | c->green_x_lo; + y = (c->green_y_hi << 2) | c->green_y_lo; + printf("\t\tGreen X coordinate: %f (0x%03x)\n", decode_coordinate(x), x); + printf("\t\tGreen Y coordinate: %f (0x%03x)\n", decode_coordinate(y), y); + + x = (c->blue_x_hi << 2) | c->blue_x_lo; + y = (c->blue_y_hi << 2) | c->blue_y_lo; + printf("\t\tBlue X coordinate: %f (0x%03x)\n", decode_coordinate(x), x); + printf("\t\tBlue Y coordinate: %f (0x%03x)\n", decode_coordinate(y), y); + + x = (c->white_x_hi << 2) | c->white_x_lo; + y = (c->white_y_hi << 2) | c->white_y_lo; + printf("\t\tWhite X coordinate: %f (0x%03x)\n", decode_coordinate(x), x); + printf("\t\tWhite Y coordinate: %f (0x%03x)\n", decode_coordinate(y), y); + + if (context->bdb->version < 211) + continue; + + printf("\t\tGamma enable: %s\n", YESNO(l->gamma_enable)); + printf("\t\tLuminance enable: %s\n", YESNO(l->luminance_enable)); + + printf("\t\tMinimum luminance: %f (0x%04x)\n", + decode_luminance(l->min_luminance), l->min_luminance); + printf("\t\tMaximum luminance: %f (0x%04x)\n", + decode_luminance(l->max_luminance), l->max_luminance); + printf("\t\t1%% maximum luminanace: %f (0x%04x)\n", + decode_luminance(l->one_percent_max_luminance), l->one_percent_max_luminance); + if (l->gamma != 0xff) + printf("\t\tGamma: %f (0x%02x)\n", decode_gamma(l->gamma), l->gamma); + else + printf("\t\tGamma: n/a (0x%02x)\n", l->gamma); + } +} + static void dump_mipi_config(struct context *context, const struct bdb_block *block) { @@ -3600,6 +3681,11 @@ struct dumper dumpers[] = { .name = "eDP BFI", .dump = dump_edp_bfi, }, + { + .id = BDB_CHROMATICITY, + .name = "Chromaticity for narrow gamut panel", + .dump = dump_chromaticity, + }, { .id = BDB_MIPI_CONFIG, .name = "MIPI configuration block", -- cgit v1.2.3