Message ID | cover.1527700370.git.joseph.salisbury@canonical.com |
---|---|
Headers | show |
Series | UBUNTU: SAUCE: Revert "drm/i915/edp: Allow alternate fixed mode for eDP if available." | expand |
On 2018-06-01 11:40:01 , Joseph Salisbury wrote: > BugLink: http://bugs.launchpad.net/bugs/1773520 > > == SRU Justification == > The bug reporter states that after update to Kernel 4.13-43 the intel > graphics seem to really lag - especially noticeable in apps which are > using vsync, which, at least on his system, locks to 40fps unlike the > previous kernel. > > See https://askubuntu.com/questions/1039189/today-i-got-an-update-and-graphics-are-not-working-right-on-ubuntu-16-04/1040545#1040545 for some other users with the same issue > > This regression was introduced by upstream commit dc911f5bd8aa. A > revert of this commit fixes this bug. Upstream has already reverted > this commit in drm-tip tree and cc'd it to upstream stable. However, > the revert has not landed in mainline or stable yet, so it is being sent > as a SAUCE patch. > > The revert is also needed in Bionic. However, the Bionic revert is > slightly differant, so it will be SRU'd separately. > > == Fix == > UBUNTU: SAUCE: Revert "drm/i915/edp: Allow alternate fixed mode for eDP if available." > > == Regression Potential == > Low. This revert is to fix a current regression. > > == Test Case == > A test kernel was built with this patch and tested by the original bug reporter. > The bug reporter states the test kernel resolved the bug. > > Joseph Salisbury (1): > Revert "drm/i915/edp: Allow alternate fixed mode for eDP if > available." > > drivers/gpu/drm/i915/intel_dp.c | 38 +++++--------------------------------- > drivers/gpu/drm/i915/intel_drv.h | 2 -- > drivers/gpu/drm/i915/intel_dsi.c | 2 +- > drivers/gpu/drm/i915/intel_dvo.c | 2 +- > drivers/gpu/drm/i915/intel_lvds.c | 3 +-- > drivers/gpu/drm/i915/intel_panel.c | 6 ------ > 6 files changed, 8 insertions(+), 45 deletions(-) > Acked-by: Khalid Elmously <khalid.elmously@canonical.com>
Applied to artful On 2018-06-01 11:40:01 , Joseph Salisbury wrote: > BugLink: http://bugs.launchpad.net/bugs/1773520 > > == SRU Justification == > The bug reporter states that after update to Kernel 4.13-43 the intel > graphics seem to really lag - especially noticeable in apps which are > using vsync, which, at least on his system, locks to 40fps unlike the > previous kernel. > > See https://askubuntu.com/questions/1039189/today-i-got-an-update-and-graphics-are-not-working-right-on-ubuntu-16-04/1040545#1040545 for some other users with the same issue > > This regression was introduced by upstream commit dc911f5bd8aa. A > revert of this commit fixes this bug. Upstream has already reverted > this commit in drm-tip tree and cc'd it to upstream stable. However, > the revert has not landed in mainline or stable yet, so it is being sent > as a SAUCE patch. > > The revert is also needed in Bionic. However, the Bionic revert is > slightly differant, so it will be SRU'd separately. > > == Fix == > UBUNTU: SAUCE: Revert "drm/i915/edp: Allow alternate fixed mode for eDP if available." > > == Regression Potential == > Low. This revert is to fix a current regression. > > == Test Case == > A test kernel was built with this patch and tested by the original bug reporter. > The bug reporter states the test kernel resolved the bug. > > Joseph Salisbury (1): > Revert "drm/i915/edp: Allow alternate fixed mode for eDP if > available." > > drivers/gpu/drm/i915/intel_dp.c | 38 +++++--------------------------------- > drivers/gpu/drm/i915/intel_drv.h | 2 -- > drivers/gpu/drm/i915/intel_dsi.c | 2 +- > drivers/gpu/drm/i915/intel_dvo.c | 2 +- > drivers/gpu/drm/i915/intel_lvds.c | 3 +-- > drivers/gpu/drm/i915/intel_panel.c | 6 ------ > 6 files changed, 8 insertions(+), 45 deletions(-) > > -- > 2.7.4 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team