diff options
| author | Tapani Pälli <tapani.palli@intel.com> | 2019-10-24 13:38:58 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-24 23:34:38 +0100 |
| commit | 772d1dea1f6cbff55963e04f52341b3cc5e710c9 (patch) | |
| tree | 15c99a34fa89d623d8e81b6c353500133c4c17c3 /drivers/gpu/drm | |
| parent | 6b441c628e178629bbd38ddd8b97dfeff93c2bb6 (diff) | |
drm/i915/tgl: whitelist PS_(DEPTH|INVOCATION)_COUNT
As with commit 3fe0107e45ab, this change fixes multiple tests that are
using the invocation counts. Documentation doesn't list the workaround
for TGL but applying it fixes the tests.
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191024103858.28113-2-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 7cb6dab4399d..e4bccc14602f 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1216,6 +1216,26 @@ static void icl_whitelist_build(struct intel_engine_cs *engine) static void tgl_whitelist_build(struct intel_engine_cs *engine) { + struct i915_wa_list *w = &engine->whitelist; + + switch (engine->class) { + case RENDER_CLASS: + /* + * WaAllowPMDepthAndInvocationCountAccessFromUMD:tgl + * + * This covers 4 registers which are next to one another : + * - PS_INVOCATION_COUNT + * - PS_INVOCATION_COUNT_UDW + * - PS_DEPTH_COUNT + * - PS_DEPTH_COUNT_UDW + */ + whitelist_reg_ext(w, PS_INVOCATION_COUNT, + RING_FORCE_TO_NONPRIV_ACCESS_RD | + RING_FORCE_TO_NONPRIV_RANGE_4); + break; + default: + break; + } } void intel_engine_init_whitelist(struct intel_engine_cs *engine) |