diff options
| author | Swathi Dhanavanthri <swathi.dhanavanthri@intel.com> | 2020-12-05 01:25:39 -0800 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-12-05 16:12:39 +0000 |
| commit | 1efa473e65e3cefbd03c5cc9fed6f7fa73bf31d2 (patch) | |
| tree | 8c1700b0507d6e619568a676ae55916aae4e1fe1 /drivers | |
| parent | f867b66e47973dfa420afd00d8f9f7498287bb60 (diff) | |
| download | linux-1efa473e65e3cefbd03c5cc9fed6f7fa73bf31d2.tar.bz2 | |
drm/i915/dg1: Implement WA_16011163337
Set GS Timer to 224 to prevent a HS/DS hang.
Bspec: 53508
v2: reword commit message and add comment explaining why read
verification is ignored (Chris)
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20201205092542.2325477-1-lucas.demarchi@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 7c6b21ced56f..a81728c52bd5 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -686,6 +686,16 @@ static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine, /* Wa_22010493298 */ WA_SET_BIT_MASKED(HIZ_CHICKEN, DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE); + + /* + * Wa_16011163337 + * + * Like in tgl_ctx_workarounds_init(), read verification is ignored due + * to Wa_1608008084. + */ + wa_add(wal, + FF_MODE2, + FF_MODE2_GS_TIMER_MASK, FF_MODE2_GS_TIMER_224, 0); } static void |