diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-05-31 18:42:36 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-06-01 10:46:37 +0300 |
| commit | 367d73d2806085bb507ab44c1f532640917fd5ca (patch) | |
| tree | 4b183f7d71f277db333b8043b4c65dd57b915a41 /scripts/diffconfig | |
| parent | adfdf85d795f4d4f487b61ee0b169d64c6e19081 (diff) | |
| download | linux-367d73d2806085bb507ab44c1f532640917fd5ca.tar.xz | |
drm/i915: Always recompute watermarks when distrust_bios_wm is set, v2.
On some systems there can be a race condition in which no crtc state is
added to the first atomic commit. This results in all crtc's having a
null DDB allocation, causing a FIFO underrun on any update until the
first modeset.
Changes since v1:
- Do not take the connection_mutex, this is already done below.
Reported-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Inspired-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 98d39494d375 ("drm/i915/gen9: Compute DDB allocation at atomic
check time (v4)")
Cc: <stable@vger.kernel.org> # v4.8+
Cc: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170531154236.27180-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Diffstat (limited to 'scripts/diffconfig')
0 files changed, 0 insertions, 0 deletions