edid: Fix source indent.
Some lines in decode_edid have incorrect indent levels. Change-Id: Icc9cb57ff8dd2e2056599b3dc733fe5ac4e41c16 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/193010 Reviewed-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 3211ac0a29a037c5414f9ed1736c8f7822ad116b) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6994 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Hung-Te Lin
Isaac Christensen
parent
0e8e0991e2
commit
fc0d244b39
488
src/lib/edid.c
488
src/lib/edid.c
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@ -1008,29 +1008,29 @@ int decode_edid(unsigned char *edid, int size, struct edid *out)
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(unsigned short)(edid[0x0A] + (edid[0x0B] << 8)),
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(unsigned int)(edid[0x0C] + (edid[0x0D] << 8)
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+ (edid[0x0E] << 16) + (edid[0x0F] << 24)));
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/* XXX need manufacturer ID table */
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/* XXX need manufacturer ID table */
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if (edid[0x10] < 55 || edid[0x10] == 0xff) {
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has_valid_week = 1;
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if (edid[0x11] > 0x0f) {
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if (edid[0x10] == 0xff) {
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if (edid[0x10] < 55 || edid[0x10] == 0xff) {
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has_valid_week = 1;
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if (edid[0x11] > 0x0f) {
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if (edid[0x10] == 0xff) {
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has_valid_year = 1;
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printk(BIOS_SPEW, "Made week %hhu of model year %hhu\n", edid[0x10],
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edid[0x11]);
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out->week = edid[0x10];
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out->year = edid[0x11];
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} else {
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/* we know it's at least 2013, when this code was written */
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if (edid[0x11] + 90 <= 2013) {
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has_valid_year = 1;
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printk(BIOS_SPEW, "Made week %hhu of model year %hhu\n", edid[0x10],
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edid[0x11]);
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printk(BIOS_SPEW, "Made week %hhu of %d\n",
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edid[0x10], edid[0x11] + 1990);
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out->week = edid[0x10];
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out->year = edid[0x11];
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} else {
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/* we know it's at least 2013, when this code was written */
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if (edid[0x11] + 90 <= 2013) {
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has_valid_year = 1;
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printk(BIOS_SPEW, "Made week %hhu of %d\n",
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edid[0x10], edid[0x11] + 1990);
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out->week = edid[0x10];
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out->year = edid[0x11] + 1990;
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}
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out->year = edid[0x11] + 1990;
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}
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}
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}
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}
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printk(BIOS_SPEW, "EDID version: %hhu.%hhu\n", edid[0x12], edid[0x13]);
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@ -1081,7 +1081,7 @@ int decode_edid(unsigned char *edid, int size, struct edid *out)
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case 0x04: printk(BIOS_SPEW, "MDDI interface\n"); break;
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case 0x05: printk(BIOS_SPEW, "DisplayPort interface\n"); break;
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default:
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nonconformant_digital_display = 1;
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nonconformant_digital_display = 1;
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}
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out->type = edid[0x14] & 0x0f;
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} else if (claims_one_point_two) {
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@ -1129,243 +1129,243 @@ int decode_edid(unsigned char *edid, int size, struct edid *out)
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}
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if (edid[0x15] && edid[0x16]) {
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printk(BIOS_SPEW, "Maximum image size: %d cm x %d cm\n",
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edid[0x15], edid[0x16]);
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out->xsize_cm = edid[0x15];
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out->ysize_cm = edid[0x16];
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} else if (claims_one_point_four && (edid[0x15] || edid[0x16])) {
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if (edid[0x15]) {
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printk(BIOS_SPEW, "Aspect ratio is %f (landscape)\n",
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100.0/(edid[0x16] + 99));
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/* truncated to integer %. We try to avoid floating point */
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out->aspect_landscape = 10000 /(edid[0x16] + 99);
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} else {
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printk(BIOS_SPEW, "Aspect ratio is %f (portrait)\n",
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100.0/(edid[0x15] + 99));
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out->aspect_portrait = 10000 /(edid[0x16] + 99);
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}
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if (edid[0x15] && edid[0x16]) {
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printk(BIOS_SPEW, "Maximum image size: %d cm x %d cm\n",
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edid[0x15], edid[0x16]);
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out->xsize_cm = edid[0x15];
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out->ysize_cm = edid[0x16];
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} else if (claims_one_point_four && (edid[0x15] || edid[0x16])) {
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if (edid[0x15]) {
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printk(BIOS_SPEW, "Aspect ratio is %f (landscape)\n",
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100.0/(edid[0x16] + 99));
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/* truncated to integer %. We try to avoid floating point */
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out->aspect_landscape = 10000 /(edid[0x16] + 99);
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} else {
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/* Either or both can be zero for 1.3 and before */
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printk(BIOS_SPEW, "Image size is variable\n");
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printk(BIOS_SPEW, "Aspect ratio is %f (portrait)\n",
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100.0/(edid[0x15] + 99));
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out->aspect_portrait = 10000 /(edid[0x16] + 99);
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}
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} else {
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/* Either or both can be zero for 1.3 and before */
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printk(BIOS_SPEW, "Image size is variable\n");
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}
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if (edid[0x17] == 0xff) {
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if (claims_one_point_four)
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printk(BIOS_SPEW, "Gamma is defined in an extension block\n");
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else
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/* XXX Technically 1.3 doesn't say this... */
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printk(BIOS_SPEW, "Gamma: 1.0\n");
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} else printk(BIOS_SPEW, "Gamma: %d%%\n", ((edid[0x17] + 100)));
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printk(BIOS_SPEW, "Check DPMS levels\n");
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if (edid[0x18] & 0xE0) {
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printk(BIOS_SPEW, "DPMS levels:");
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if (edid[0x18] & 0x80) printk(BIOS_SPEW, " Standby");
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if (edid[0x18] & 0x40) printk(BIOS_SPEW, " Suspend");
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if (edid[0x18] & 0x20) printk(BIOS_SPEW, " Off");
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printk(BIOS_SPEW, "\n");
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}
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if (edid[0x17] == 0xff) {
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if (claims_one_point_four)
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printk(BIOS_SPEW, "Gamma is defined in an extension block\n");
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else
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/* XXX Technically 1.3 doesn't say this... */
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printk(BIOS_SPEW, "Gamma: 1.0\n");
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} else printk(BIOS_SPEW, "Gamma: %d%%\n", ((edid[0x17] + 100)));
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printk(BIOS_SPEW, "Check DPMS levels\n");
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if (edid[0x18] & 0xE0) {
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printk(BIOS_SPEW, "DPMS levels:");
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if (edid[0x18] & 0x80) printk(BIOS_SPEW, " Standby");
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if (edid[0x18] & 0x40) printk(BIOS_SPEW, " Suspend");
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if (edid[0x18] & 0x20) printk(BIOS_SPEW, " Off");
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printk(BIOS_SPEW, "\n");
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}
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/* FIXME: this is from 1.4 spec, check earlier */
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if (analog) {
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switch (edid[0x18] & 0x18) {
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/* FIXME: this is from 1.4 spec, check earlier */
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if (analog) {
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switch (edid[0x18] & 0x18) {
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case 0x00: printk(BIOS_SPEW, "Monochrome or grayscale display\n"); break;
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case 0x08: printk(BIOS_SPEW, "RGB color display\n"); break;
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case 0x10: printk(BIOS_SPEW, "Non-RGB color display\n"); break;
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case 0x18: printk(BIOS_SPEW, "Undefined display color type\n");
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}
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} else {
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printk(BIOS_SPEW, "Supported color formats: RGB 4:4:4");
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if (edid[0x18] & 0x10)
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printk(BIOS_SPEW, ", YCrCb 4:4:4");
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if (edid[0x18] & 0x08)
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printk(BIOS_SPEW, ", YCrCb 4:2:2");
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printk(BIOS_SPEW, "\n");
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}
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if (edid[0x18] & 0x04)
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printk(BIOS_SPEW, "Default (sRGB) color space is primary color space\n");
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if (edid[0x18] & 0x02) {
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printk(BIOS_SPEW, "First detailed timing is preferred timing\n");
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has_preferred_timing = 1;
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}
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if (edid[0x18] & 0x01)
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printk(BIOS_SPEW, "Supports GTF timings within operating range\n");
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/* XXX color section */
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printk(BIOS_SPEW, "Established timings supported:\n");
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/* it's not yet clear we want all this stuff in the edid struct.
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* Let's wait.
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*/
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for (i = 0; i < 17; i++) {
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if (edid[0x23 + i / 8] & (1 << (7 - i % 8))) {
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printk(BIOS_SPEW, " %dx%d@%dHz\n", established_timings[i].x,
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established_timings[i].y, established_timings[i].refresh);
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}
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}
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printk(BIOS_SPEW, "Standard timings supported:\n");
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for (i = 0; i < 8; i++) {
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uint8_t b1 = edid[0x26 + i * 2], b2 = edid[0x26 + i * 2 + 1];
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unsigned int x, y = 0, refresh;
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if (b1 == 0x01 && b2 == 0x01)
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continue;
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if (b1 == 0) {
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printk(BIOS_SPEW, "non-conformant standard timing (0 horiz)\n");
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continue;
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}
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x = (b1 + 31) * 8;
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switch ((b2 >> 6) & 0x3) {
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case 0x00:
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if (claims_one_point_three)
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y = x * 10 / 16;
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else
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y = x;
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break;
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case 0x01:
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y = x * 3 / 4;
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break;
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case 0x02:
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y = x * 4 / 5;
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break;
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case 0x03:
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y = x * 9 / 16;
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break;
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}
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refresh = 60 + (b2 & 0x3f);
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printk(BIOS_SPEW, " %dx%d@%dHz\n", x, y, refresh);
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}
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/* detailed timings */
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printk(BIOS_SPEW, "Detailed timings\n");
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has_valid_detailed_blocks = detailed_block(out, edid + 0x36, 0);
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if (has_preferred_timing && !did_detailed_timing)
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has_preferred_timing = 0; /* not really accurate... */
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has_valid_detailed_blocks &= detailed_block(out, edid + 0x48, 0);
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has_valid_detailed_blocks &= detailed_block(out, edid + 0x5A, 0);
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has_valid_detailed_blocks &= detailed_block(out, edid + 0x6C, 0);
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/* check this, 1.4 verification guide says otherwise */
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if (edid[0x7e]) {
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printk(BIOS_SPEW, "Has %d extension blocks\n", edid[0x7e]);
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/* 2 is impossible because of the block map */
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if (edid[0x7e] != 2)
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has_valid_extension_count = 1;
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} else {
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has_valid_extension_count = 1;
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}
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printk(BIOS_SPEW, "Checksum\n");
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do_checksum(edid);
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for(i = 0; i < size; i += 128)
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nonconformant_extension = parse_extension(out, &edid[i]);
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/*
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x = edid;
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for (edid_lines /= 8; edid_lines > 1; edid_lines--) {
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x += 128;
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nonconformant_extension += parse_extension(x);
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}
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*/
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if (claims_one_point_three) {
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if (nonconformant_digital_display ||
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!has_valid_string_termination ||
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!has_valid_descriptor_pad ||
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!has_name_descriptor ||
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!name_descriptor_terminated ||
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!has_preferred_timing ||
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!has_range_descriptor)
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conformant = 0;
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if (!conformant)
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printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.3!\n");
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if (nonconformant_digital_display)
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printk(BIOS_ERR, "\tDigital display field contains garbage: %x\n",
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nonconformant_digital_display);
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if (!has_name_descriptor)
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printk(BIOS_ERR, "\tMissing name descriptor\n");
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else if (!name_descriptor_terminated)
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printk(BIOS_ERR, "\tName descriptor not terminated with a newline\n");
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if (!has_preferred_timing)
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printk(BIOS_ERR, "\tMissing preferred timing\n");
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if (!has_range_descriptor)
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printk(BIOS_ERR, "\tMissing monitor ranges\n");
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if (!has_valid_descriptor_pad) /* Might be more than just 1.3 */
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printk(BIOS_ERR, "\tInvalid descriptor block padding\n");
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if (!has_valid_string_termination) /* Likewise */
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printk(BIOS_ERR, "\tDetailed block string not properly terminated\n");
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} else if (claims_one_point_two) {
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if (nonconformant_digital_display ||
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(has_name_descriptor && !name_descriptor_terminated))
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conformant = 0;
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if (!conformant)
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printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.2!\n");
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if (nonconformant_digital_display)
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printk(BIOS_ERR, "\tDigital display field contains garbage: %x\n",
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nonconformant_digital_display);
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if (has_name_descriptor && !name_descriptor_terminated)
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printk(BIOS_ERR, "\tName descriptor not terminated with a newline\n");
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} else if (claims_one_point_oh) {
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if (seen_non_detailed_descriptor)
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conformant = 0;
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if (!conformant)
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printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.0!\n");
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if (seen_non_detailed_descriptor)
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printk(BIOS_ERR, "\tHas descriptor blocks other than detailed timings\n");
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}
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if (nonconformant_extension ||
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!has_valid_checksum ||
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!has_valid_cvt ||
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!has_valid_year ||
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!has_valid_week ||
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!has_valid_detailed_blocks ||
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!has_valid_dummy_block ||
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!has_valid_extension_count ||
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!has_valid_descriptor_ordering ||
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!has_valid_range_descriptor ||
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!manufacturer_name_well_formed) {
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conformant = 0;
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printk(BIOS_ERR, "EDID block does not conform at all!\n");
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if (nonconformant_extension)
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printk(BIOS_ERR, "\tHas %d nonconformant extension block(s)\n",
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nonconformant_extension);
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if (!has_valid_checksum)
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printk(BIOS_ERR, "\tBlock has broken checksum\n");
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if (!has_valid_cvt)
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printk(BIOS_ERR, "\tBroken 3-byte CVT blocks\n");
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if (!has_valid_year)
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printk(BIOS_ERR, "\tBad year of manufacture\n");
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if (!has_valid_week)
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printk(BIOS_ERR, "\tBad week of manufacture\n");
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if (!has_valid_detailed_blocks)
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printk(BIOS_ERR, "\tDetailed blocks filled with garbage\n");
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if (!has_valid_dummy_block)
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printk(BIOS_ERR, "\tDummy block filled with garbage\n");
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if (!has_valid_extension_count)
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printk(BIOS_ERR, "\tImpossible extension block count\n");
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if (!manufacturer_name_well_formed)
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printk(BIOS_ERR, "\tManufacturer name field contains garbage\n");
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if (!has_valid_descriptor_ordering)
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printk(BIOS_ERR, "\tInvalid detailed timing descriptor ordering\n");
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if (!has_valid_range_descriptor)
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printk(BIOS_ERR, "\tRange descriptor contains garbage\n");
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if (!has_valid_max_dotclock)
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printk(BIOS_ERR, "\tEDID 1.4 block does not set max dotclock\n");
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}
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if (warning_excessive_dotclock_correction)
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printk(BIOS_ERR,
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"Warning: CVT block corrects dotclock by more than 9.75MHz\n");
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if (warning_zero_preferred_refresh)
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printk(BIOS_ERR,
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"Warning: CVT block does not set preferred refresh rate\n");
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return !conformant;
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} else {
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printk(BIOS_SPEW, "Supported color formats: RGB 4:4:4");
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if (edid[0x18] & 0x10)
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printk(BIOS_SPEW, ", YCrCb 4:4:4");
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if (edid[0x18] & 0x08)
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printk(BIOS_SPEW, ", YCrCb 4:2:2");
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printk(BIOS_SPEW, "\n");
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}
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if (edid[0x18] & 0x04)
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printk(BIOS_SPEW, "Default (sRGB) color space is primary color space\n");
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if (edid[0x18] & 0x02) {
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printk(BIOS_SPEW, "First detailed timing is preferred timing\n");
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has_preferred_timing = 1;
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}
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if (edid[0x18] & 0x01)
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printk(BIOS_SPEW, "Supports GTF timings within operating range\n");
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/* XXX color section */
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printk(BIOS_SPEW, "Established timings supported:\n");
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/* it's not yet clear we want all this stuff in the edid struct.
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* Let's wait.
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*/
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for (i = 0; i < 17; i++) {
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if (edid[0x23 + i / 8] & (1 << (7 - i % 8))) {
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printk(BIOS_SPEW, " %dx%d@%dHz\n", established_timings[i].x,
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established_timings[i].y, established_timings[i].refresh);
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}
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}
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printk(BIOS_SPEW, "Standard timings supported:\n");
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for (i = 0; i < 8; i++) {
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uint8_t b1 = edid[0x26 + i * 2], b2 = edid[0x26 + i * 2 + 1];
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unsigned int x, y = 0, refresh;
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if (b1 == 0x01 && b2 == 0x01)
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continue;
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if (b1 == 0) {
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printk(BIOS_SPEW, "non-conformant standard timing (0 horiz)\n");
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continue;
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}
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x = (b1 + 31) * 8;
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switch ((b2 >> 6) & 0x3) {
|
||||
case 0x00:
|
||||
if (claims_one_point_three)
|
||||
y = x * 10 / 16;
|
||||
else
|
||||
y = x;
|
||||
break;
|
||||
case 0x01:
|
||||
y = x * 3 / 4;
|
||||
break;
|
||||
case 0x02:
|
||||
y = x * 4 / 5;
|
||||
break;
|
||||
case 0x03:
|
||||
y = x * 9 / 16;
|
||||
break;
|
||||
}
|
||||
refresh = 60 + (b2 & 0x3f);
|
||||
|
||||
printk(BIOS_SPEW, " %dx%d@%dHz\n", x, y, refresh);
|
||||
}
|
||||
|
||||
/* detailed timings */
|
||||
printk(BIOS_SPEW, "Detailed timings\n");
|
||||
has_valid_detailed_blocks = detailed_block(out, edid + 0x36, 0);
|
||||
if (has_preferred_timing && !did_detailed_timing)
|
||||
has_preferred_timing = 0; /* not really accurate... */
|
||||
has_valid_detailed_blocks &= detailed_block(out, edid + 0x48, 0);
|
||||
has_valid_detailed_blocks &= detailed_block(out, edid + 0x5A, 0);
|
||||
has_valid_detailed_blocks &= detailed_block(out, edid + 0x6C, 0);
|
||||
|
||||
/* check this, 1.4 verification guide says otherwise */
|
||||
if (edid[0x7e]) {
|
||||
printk(BIOS_SPEW, "Has %d extension blocks\n", edid[0x7e]);
|
||||
/* 2 is impossible because of the block map */
|
||||
if (edid[0x7e] != 2)
|
||||
has_valid_extension_count = 1;
|
||||
} else {
|
||||
has_valid_extension_count = 1;
|
||||
}
|
||||
|
||||
printk(BIOS_SPEW, "Checksum\n");
|
||||
do_checksum(edid);
|
||||
for(i = 0; i < size; i += 128)
|
||||
nonconformant_extension = parse_extension(out, &edid[i]);
|
||||
/*
|
||||
* x = edid;
|
||||
* for (edid_lines /= 8; edid_lines > 1; edid_lines--) {
|
||||
* x += 128;
|
||||
* nonconformant_extension += parse_extension(x);
|
||||
* }
|
||||
*/
|
||||
|
||||
if (claims_one_point_three) {
|
||||
if (nonconformant_digital_display ||
|
||||
!has_valid_string_termination ||
|
||||
!has_valid_descriptor_pad ||
|
||||
!has_name_descriptor ||
|
||||
!name_descriptor_terminated ||
|
||||
!has_preferred_timing ||
|
||||
!has_range_descriptor)
|
||||
conformant = 0;
|
||||
if (!conformant)
|
||||
printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.3!\n");
|
||||
if (nonconformant_digital_display)
|
||||
printk(BIOS_ERR, "\tDigital display field contains garbage: %x\n",
|
||||
nonconformant_digital_display);
|
||||
if (!has_name_descriptor)
|
||||
printk(BIOS_ERR, "\tMissing name descriptor\n");
|
||||
else if (!name_descriptor_terminated)
|
||||
printk(BIOS_ERR, "\tName descriptor not terminated with a newline\n");
|
||||
if (!has_preferred_timing)
|
||||
printk(BIOS_ERR, "\tMissing preferred timing\n");
|
||||
if (!has_range_descriptor)
|
||||
printk(BIOS_ERR, "\tMissing monitor ranges\n");
|
||||
if (!has_valid_descriptor_pad) /* Might be more than just 1.3 */
|
||||
printk(BIOS_ERR, "\tInvalid descriptor block padding\n");
|
||||
if (!has_valid_string_termination) /* Likewise */
|
||||
printk(BIOS_ERR, "\tDetailed block string not properly terminated\n");
|
||||
} else if (claims_one_point_two) {
|
||||
if (nonconformant_digital_display ||
|
||||
(has_name_descriptor && !name_descriptor_terminated))
|
||||
conformant = 0;
|
||||
if (!conformant)
|
||||
printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.2!\n");
|
||||
if (nonconformant_digital_display)
|
||||
printk(BIOS_ERR, "\tDigital display field contains garbage: %x\n",
|
||||
nonconformant_digital_display);
|
||||
if (has_name_descriptor && !name_descriptor_terminated)
|
||||
printk(BIOS_ERR, "\tName descriptor not terminated with a newline\n");
|
||||
} else if (claims_one_point_oh) {
|
||||
if (seen_non_detailed_descriptor)
|
||||
conformant = 0;
|
||||
if (!conformant)
|
||||
printk(BIOS_ERR, "EDID block does NOT conform to EDID 1.0!\n");
|
||||
if (seen_non_detailed_descriptor)
|
||||
printk(BIOS_ERR, "\tHas descriptor blocks other than detailed timings\n");
|
||||
}
|
||||
|
||||
if (nonconformant_extension ||
|
||||
!has_valid_checksum ||
|
||||
!has_valid_cvt ||
|
||||
!has_valid_year ||
|
||||
!has_valid_week ||
|
||||
!has_valid_detailed_blocks ||
|
||||
!has_valid_dummy_block ||
|
||||
!has_valid_extension_count ||
|
||||
!has_valid_descriptor_ordering ||
|
||||
!has_valid_range_descriptor ||
|
||||
!manufacturer_name_well_formed) {
|
||||
conformant = 0;
|
||||
printk(BIOS_ERR, "EDID block does not conform at all!\n");
|
||||
if (nonconformant_extension)
|
||||
printk(BIOS_ERR, "\tHas %d nonconformant extension block(s)\n",
|
||||
nonconformant_extension);
|
||||
if (!has_valid_checksum)
|
||||
printk(BIOS_ERR, "\tBlock has broken checksum\n");
|
||||
if (!has_valid_cvt)
|
||||
printk(BIOS_ERR, "\tBroken 3-byte CVT blocks\n");
|
||||
if (!has_valid_year)
|
||||
printk(BIOS_ERR, "\tBad year of manufacture\n");
|
||||
if (!has_valid_week)
|
||||
printk(BIOS_ERR, "\tBad week of manufacture\n");
|
||||
if (!has_valid_detailed_blocks)
|
||||
printk(BIOS_ERR, "\tDetailed blocks filled with garbage\n");
|
||||
if (!has_valid_dummy_block)
|
||||
printk(BIOS_ERR, "\tDummy block filled with garbage\n");
|
||||
if (!has_valid_extension_count)
|
||||
printk(BIOS_ERR, "\tImpossible extension block count\n");
|
||||
if (!manufacturer_name_well_formed)
|
||||
printk(BIOS_ERR, "\tManufacturer name field contains garbage\n");
|
||||
if (!has_valid_descriptor_ordering)
|
||||
printk(BIOS_ERR, "\tInvalid detailed timing descriptor ordering\n");
|
||||
if (!has_valid_range_descriptor)
|
||||
printk(BIOS_ERR, "\tRange descriptor contains garbage\n");
|
||||
if (!has_valid_max_dotclock)
|
||||
printk(BIOS_ERR, "\tEDID 1.4 block does not set max dotclock\n");
|
||||
}
|
||||
|
||||
if (warning_excessive_dotclock_correction)
|
||||
printk(BIOS_ERR,
|
||||
"Warning: CVT block corrects dotclock by more than 9.75MHz\n");
|
||||
if (warning_zero_preferred_refresh)
|
||||
printk(BIOS_ERR,
|
||||
"Warning: CVT block does not set preferred refresh rate\n");
|
||||
return !conformant;
|
||||
}
|
||||
|
||||
/*
|
||||
* Notes on panel extensions: (TODO, implement me in the code)
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in New Issue