| commit | c5ba5b24657e473b1c64b0a614b168a635a2c935 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Thu Sep 07 19:45:20 2017 +0100 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Thu Sep 07 21:46:42 2017 +0100 |
| tree | cad9eb119796edc0b22bb626be89885a2db2daab | |
| parent | 750fae232480fee9d799eaced198ec98c20769a3 [diff] |
drm/i915: Apply the GTT write flush for all !llc machines We also see the delayed GTT write issue on i915g/i915gm, so let's presume that it is a universal problem for all !llc machines, and that we just haven't yet noticed on g33, gen4 and gen5 machines. v2: Use a register that exists on all platforms Testcase: igt/gem_mmap_gtt/coherency # i915gm References: https://bugs.freedesktop.org/show_bug.cgi?id=102577 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170907184520.5032-1-chris@chris-wilson.co.uk Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>