diff options
| author | Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> | 2021-06-17 14:14:23 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-06-17 19:12:25 -0700 |
| commit | 932641f0323eec3fc42dfd303eb033f5dfa08e74 (patch) | |
| tree | c015dbcfa76ca48ec3d1285c807266438c21d62c /drivers/gpu/drm/i915/gt/intel_engine_cs.c | |
| parent | 6796c772850574ec0a9adc977e9889606b23d0f4 (diff) | |
drm/i915: extract steered reg access to common function
New steering cases will be added in the follow-up patches, so prepare a
common helper to avoid code duplication.
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210617211425.1943662-2-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_engine_cs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index fcbaad18ac91..04c1f5b9ce71 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1112,45 +1112,8 @@ static u32 read_subslice_reg(const struct intel_engine_cs *engine, int slice, int subslice, i915_reg_t reg) { - struct drm_i915_private *i915 = engine->i915; - struct intel_uncore *uncore = engine->uncore; - u32 mcr_mask, mcr_ss, mcr, old_mcr, val; - enum forcewake_domains fw_domains; - - if (GRAPHICS_VER(i915) >= 11) { - mcr_mask = GEN11_MCR_SLICE_MASK | GEN11_MCR_SUBSLICE_MASK; - mcr_ss = GEN11_MCR_SLICE(slice) | GEN11_MCR_SUBSLICE(subslice); - } else { - mcr_mask = GEN8_MCR_SLICE_MASK | GEN8_MCR_SUBSLICE_MASK; - mcr_ss = GEN8_MCR_SLICE(slice) | GEN8_MCR_SUBSLICE(subslice); - } - - fw_domains = intel_uncore_forcewake_for_reg(uncore, reg, - FW_REG_READ); - fw_domains |= intel_uncore_forcewake_for_reg(uncore, - GEN8_MCR_SELECTOR, - FW_REG_READ | FW_REG_WRITE); - - spin_lock_irq(&uncore->lock); - intel_uncore_forcewake_get__locked(uncore, fw_domains); - - old_mcr = mcr = intel_uncore_read_fw(uncore, GEN8_MCR_SELECTOR); - - mcr &= ~mcr_mask; - mcr |= mcr_ss; - intel_uncore_write_fw(uncore, GEN8_MCR_SELECTOR, mcr); - - val = intel_uncore_read_fw(uncore, reg); - - mcr &= ~mcr_mask; - mcr |= old_mcr & mcr_mask; - - intel_uncore_write_fw(uncore, GEN8_MCR_SELECTOR, mcr); - - intel_uncore_forcewake_put__locked(uncore, fw_domains); - spin_unlock_irq(&uncore->lock); - - return val; + return intel_uncore_read_with_mcr_steering(engine->uncore, reg, + slice, subslice); } /* NB: please notice the memset */ |