diff -Nru mutter-42.9/debian/changelog mutter-42.9/debian/changelog --- mutter-42.9/debian/changelog 2023-09-11 21:39:50.000000000 +0800 +++ mutter-42.9/debian/changelog 2024-01-24 15:17:22.000000000 +0800 @@ -1,3 +1,10 @@ +mutter (42.9-0ubuntu6) jammy; urgency=medium + + [ Kai-Heng Feng ] + * Fix mirror mode on reduced blanking panel. (LP: #2051074) + + -- Kai-Heng Feng Wed, 24 Jan 2024 15:17:22 +0800 + mutter (42.9-0ubuntu5) jammy; urgency=medium [ Daniel van Vugt ] diff -Nru mutter-42.9/debian/control mutter-42.9/debian/control --- mutter-42.9/debian/control 2023-09-11 21:39:50.000000000 +0800 +++ mutter-42.9/debian/control 2024-01-24 15:17:22.000000000 +0800 @@ -7,7 +7,7 @@ Priority: optional Maintainer: Ubuntu Developers XSBC-Original-Maintainer: Debian GNOME Maintainers -Uploaders: Jeremy Bicha , Marco Trevisan (Treviño) +Uploaders: Iain Lane , Jeremy Bicha , Laurent Bigonville Build-Depends: debhelper-compat (= 13), dh-exec, dh-sequence-gir, diff -Nru mutter-42.9/debian/patches/gen_default_modes-Consider-reduced-blanking-with-lower-pi.patch mutter-42.9/debian/patches/gen_default_modes-Consider-reduced-blanking-with-lower-pi.patch --- mutter-42.9/debian/patches/gen_default_modes-Consider-reduced-blanking-with-lower-pi.patch 1970-01-01 08:00:00.000000000 +0800 +++ mutter-42.9/debian/patches/gen_default_modes-Consider-reduced-blanking-with-lower-pi.patch 2024-01-24 15:17:22.000000000 +0800 @@ -0,0 +1,100 @@ +From: Kai-Heng Feng +Date: Mon, 11 Dec 2023 12:01:26 +0800 +Subject: gen_default_modes: Consider reduced blanking with lower pixelclock + +Some panels only support fixed resolutions and fixed refresh rate with reduced blanking: + Established Timings I & II: none + Standard Timings: none + Detailed Timing Descriptors: + DTD 1: 2560x1600 120.001823 Hz 8:5 203.283 kHz 552.930000 MHz (345 mm x 215 mm) + Hfront 48 Hsync 32 Hback 80 Hpol P + Vfront 3 Vsync 6 Vback 85 Vpol N + DTD 2: 2560x1600 48.000295 Hz 8:5 81.312 kHz 221.170000 MHz (345 mm x 215 mm) + Hfront 48 Hsync 32 Hback 80 Hpol P + Vfront 3 Vsync 6 Vback 85 Vpol N +... + Minimum Pixel Clock: 552922 kHz + Maximum Pixel Clock: 552922 kHz + +When using mirror mode, resolutions like 2560x1440 120Hz can be too high +to meet the pixelclock limitation, so 2560x1440 90Hz is selected +instead. However, the panel only supports 120Hz so using 90Hz result to +failed mode set. + +So add reduced blanking to fallback mode, so correct refresh rate can be +used. + +Part-of: +(cherry picked from commit 8e58aa46acf5bf5e83ba64d959a8476df1fbf7fb) +Signed-off-by: Kai-Heng Feng +--- + src/backends/native/gen-default-modes.py | 27 +++++++++++++++++++++++---- + 1 file changed, 23 insertions(+), 4 deletions(-) + +diff --git a/src/backends/native/gen-default-modes.py b/src/backends/native/gen-default-modes.py +index 79542f8..520097b 100755 +--- a/src/backends/native/gen-default-modes.py ++++ b/src/backends/native/gen-default-modes.py +@@ -19,6 +19,7 @@ + + import os + import sys ++import re + + if len(sys.argv) != 2: + print("Usage: %s [output file]"%sys.argv[0]) +@@ -93,7 +94,7 @@ def drm_mode_info_from_modeline(line): + + def portrait_drm_mode_info_from_modeline(line): + sline = line.split() +- return "{ %d, %d, %d, %d, %d, 0, %d, %d, %d, %d, 0, 0, %s, DRM_MODE_TYPE_DEFAULT, \"%dx%d_%s }," % \ ++ return "{ %d, %d, %d, %d, %d, 0, %d, %d, %d, %d, 0, 0, %s, DRM_MODE_TYPE_DEFAULT, \"%dx%d%s\" }," % \ + (int(float(sline[2]) * 1000), + int(sline[7]), + int(sline[8]), +@@ -104,15 +105,24 @@ def portrait_drm_mode_info_from_modeline(line): + int(sline[5]), + int(sline[6]), + sync_flags(sline[12], sline[11]), +- int(sline[7]), int(sline[3]), sline[1].split("_")[1]) ++ int(sline[7]), int(sline[3]), re.match(r'^"[0-9]+x[0-9]+(.*)"$', sline[1]).group(1)) + + for resolution in common_resolutions: + for refresh_rate in common_refresh_rates: + cvt = os.popen("%s %s %s %s" % ('cvt', resolution[0], resolution[1], refresh_rate)) + cvt.readline() # discard comment line + line = cvt.readline() +- output_lines.append(drm_mode_info_from_modeline(line)) + cvt.close() ++ ++ if refresh_rate % 60 == 0: ++ cvt_rb = os.popen("%s %s %s %s %s" % ('cvt', '-r', resolution[0], resolution[1], refresh_rate)) ++ cvt_rb.readline() # discard comment line ++ line_rb = cvt_rb.readline() ++ output_lines.append(drm_mode_info_from_modeline(line_rb)) ++ cvt_rb.close() ++ ++ output_lines.append(drm_mode_info_from_modeline(line)) ++ + output_lines.append("};") + + output_lines.append("") +@@ -122,8 +132,17 @@ for resolution in common_resolutions: + cvt = os.popen("%s %s %s %s" % ('cvt', resolution[0], resolution[1], refresh_rate)) + cvt.readline() # discard comment line + line = cvt.readline() +- output_lines.append(portrait_drm_mode_info_from_modeline(line)) + cvt.close() ++ ++ if refresh_rate % 60 == 0: ++ cvt_rb = os.popen("%s %s %s %s %s" % ('cvt', '-r', resolution[0], resolution[1], refresh_rate)) ++ cvt_rb.readline() # discard comment line ++ line_rb = cvt_rb.readline() ++ output_lines.append(portrait_drm_mode_info_from_modeline(line_rb)) ++ cvt_rb.close() ++ ++ output_lines.append(portrait_drm_mode_info_from_modeline(line)) ++ + output_lines.append("};") + + try: diff -Nru mutter-42.9/debian/patches/series mutter-42.9/debian/patches/series --- mutter-42.9/debian/patches/series 2023-09-11 21:39:50.000000000 +0800 +++ mutter-42.9/debian/patches/series 2024-01-24 15:17:22.000000000 +0800 @@ -14,3 +14,4 @@ backends-Move-MetaKeyboardA11yFlags-to-a-public-header.patch backends-x11-Return-zero-Hz-instead-of-nan-Hz-for-incompl.patch Revert-data-udev-Don-t-disable-KMS-modifiers-on-newer-i91.patch +gen_default_modes-Consider-reduced-blanking-with-lower-pi.patch