| Message ID | 20231229013824.7215-1-ivan.hu@canonical.com |
|---|---|
| Headers | show |
| Series | Add quirk to disable i915 fastboot on B&R PC | expand |
Seems straightforward. Acked-by: Jose Ogando <jose.ogando@canonical.com> On Fri, 2023-12-29 at 09:38 +0800, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2047630 > > [Impact] > Some displays connect to the B&R PC device got the garbled display > > [Fix] > The issue will disappear after commit > 5ac860cc52540df8bca27e0bb25b6744df67e8f0, > but these patches cannot be backported from 5.19 to 5.15. So add > quirk > to force disable the i915 fastboot on the device to fix the abnormal > display > > [Test Case] > 1. Connect the display and power on the B&R PC device > 2. Check the display for boot up > > [Where problems could occur] > Quirk only on the B&R PCs. Risk of regression is low > > Ivan Hu (1): > i915: force disable fastboot quirk > > drivers/gpu/drm/i915/display/intel_display.c | 3 +++ > drivers/gpu/drm/i915/display/intel_quirks.c | 25 > ++++++++++++++++++++ > drivers/gpu/drm/i915/i915_drv.h | 1 + > 3 files changed, 29 insertions(+) > > -- > 2.34.1 > >
On Fri, Dec 29, 2023 at 09:38:23AM +0800, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2047630 > > [Impact] > Some displays connect to the B&R PC device got the garbled display > > [Fix] > The issue will disappear after commit 5ac860cc52540df8bca27e0bb25b6744df67e8f0, > but these patches cannot be backported from 5.19 to 5.15. So add quirk > to force disable the i915 fastboot on the device to fix the abnormal display > > [Test Case] > 1. Connect the display and power on the B&R PC device > 2. Check the display for boot up > > [Where problems could occur] > Quirk only on the B&R PCs. Risk of regression is low > > Ivan Hu (1): > i915: force disable fastboot quirk > > drivers/gpu/drm/i915/display/intel_display.c | 3 +++ > drivers/gpu/drm/i915/display/intel_quirks.c | 25 ++++++++++++++++++++ > drivers/gpu/drm/i915/i915_drv.h | 1 + > 3 files changed, 29 insertions(+) > > -- > 2.34.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team Acked-by: Manuel Diewald <manuel.diewald@canonical.com>
On 29/12/2023 02:38, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/2047630 > > [Impact] > Some displays connect to the B&R PC device got the garbled display > > [Fix] > The issue will disappear after commit 5ac860cc52540df8bca27e0bb25b6744df67e8f0, > but these patches cannot be backported from 5.19 to 5.15. So add quirk > to force disable the i915 fastboot on the device to fix the abnormal display > > [Test Case] > 1. Connect the display and power on the B&R PC device > 2. Check the display for boot up > > [Where problems could occur] > Quirk only on the B&R PCs. Risk of regression is low > > Ivan Hu (1): > i915: force disable fastboot quirk > > drivers/gpu/drm/i915/display/intel_display.c | 3 +++ > drivers/gpu/drm/i915/display/intel_quirks.c | 25 ++++++++++++++++++++ > drivers/gpu/drm/i915/i915_drv.h | 1 + > 3 files changed, 29 insertions(+) > Applied to jammy master-next branch. Thanks!