diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-05-21 19:40:24 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-05-27 20:51:48 +0300 |
| commit | d284d5145eb8760b592e64249c1cd85c440fe90f (patch) | |
| tree | eae3c8bda3e46444a61f69d1e77d8e633b448f01 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/icl: Fix AUX-B HW not done issue w/o AUX-A (diff) | |
| download | linux-dev-d284d5145eb8760b592e64249c1cd85c440fe90f.tar.xz linux-dev-d284d5145eb8760b592e64249c1cd85c440fe90f.zip | |
drm/i915: Make sandybridge_pcode_read() deal with the second data register
The pcode mailbox has two data registers. So far we've only ever used
the one, but that's about to change. Expose the second data register to
the callers of sandybridge_pcode_read().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190521164025.30225-1-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index decdd79c3805..8f82cb72d3a6 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2822,7 +2822,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, val = 0; /* data0 to be programmed to 0 for first set */ ret = sandybridge_pcode_read(dev_priv, GEN9_PCODE_READ_MEM_LATENCY, - &val); + &val, NULL); if (ret) { DRM_ERROR("SKL Mailbox read error = %d\n", ret); @@ -2841,7 +2841,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv, val = 1; /* data0 to be programmed to 1 for second set */ ret = sandybridge_pcode_read(dev_priv, GEN9_PCODE_READ_MEM_LATENCY, - &val); + &val, NULL); if (ret) { DRM_ERROR("SKL Mailbox read error = %d\n", ret); return; @@ -7072,7 +7072,7 @@ static void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv) if (sandybridge_pcode_read(dev_priv, HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL, - &ddcc_status) == 0) + &ddcc_status, NULL) == 0) rps->efficient_freq = clamp_t(u8, ((ddcc_status >> 8) & 0xff), @@ -7419,7 +7419,8 @@ static void gen6_enable_rc6(struct drm_i915_private *dev_priv) GEN6_RC_CTL_HW_ENABLE); rc6vids = 0; - ret = sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); + ret = sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, + &rc6vids, NULL); if (IS_GEN(dev_priv, 6) && ret) { DRM_DEBUG_DRIVER("Couldn't check for BIOS workaround\n"); } else if (IS_GEN(dev_priv, 6) && (GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) { @@ -8566,7 +8567,8 @@ void intel_init_gt_powersave(struct drm_i915_private *dev_priv) IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv)) { u32 params = 0; - sandybridge_pcode_read(dev_priv, GEN6_READ_OC_PARAMS, ¶ms); + sandybridge_pcode_read(dev_priv, GEN6_READ_OC_PARAMS, + ¶ms, NULL); if (params & BIT(31)) { /* OC supported */ DRM_DEBUG_DRIVER("Overclocking supported, max: %dMHz, overclock: %dMHz\n", (rps->max_freq & 0xff) * 50, |