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| author | Akash Goel <akash.goel@intel.com> | 2015-03-06 11:07:21 +0530 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-03-17 22:30:26 +0100 |
| commit | 60260a5b59f7733fe5e3f5c2e39dfb3291ffb94f (patch) | |
| tree | d719d9e3043a6ebe6c82d4c6f7be91c49f7278fa /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | 003632d9cf626dadcd48ddba375302c0537f81e5 (diff) | |
| download | lwn-60260a5b59f7733fe5e3f5c2e39dfb3291ffb94f.tar.gz lwn-60260a5b59f7733fe5e3f5c2e39dfb3291ffb94f.zip | |
drm/i915/skl: Updated the i915_frequency_info debugfs function
Added support for SKL in the i915_frequency_info debugfs function
v2:
- corrected the handling of reqf (Damien)
- Reorderd the platform check for cagf (Ville)
Signed-off-by: Akash Goel <akash.goel@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 74bc89bf8914..1a52d6ab0f80 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1090,7 +1090,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused) seq_printf(m, "Current P-state: %d\n", (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); } else if (IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) || - IS_BROADWELL(dev)) { + IS_BROADWELL(dev) || IS_GEN9(dev)) { u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); @@ -1109,11 +1109,15 @@ static int i915_frequency_info(struct seq_file *m, void *unused) intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); reqf = I915_READ(GEN6_RPNSWREQ); - reqf &= ~GEN6_TURBO_DISABLE; - if (IS_HASWELL(dev) || IS_BROADWELL(dev)) - reqf >>= 24; - else - reqf >>= 25; + if (IS_GEN9(dev)) + reqf >>= 23; + else { + reqf &= ~GEN6_TURBO_DISABLE; + if (IS_HASWELL(dev) || IS_BROADWELL(dev)) + reqf >>= 24; + else + reqf >>= 25; + } reqf = intel_gpu_freq(dev_priv, reqf); rpmodectl = I915_READ(GEN6_RP_CONTROL); @@ -1127,7 +1131,9 @@ static int i915_frequency_info(struct seq_file *m, void *unused) rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI); rpcurdown = I915_READ(GEN6_RP_CUR_DOWN); rpprevdown = I915_READ(GEN6_RP_PREV_DOWN); - if (IS_HASWELL(dev) || IS_BROADWELL(dev)) + if (IS_GEN9(dev)) + cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; + else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; else cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; @@ -1153,7 +1159,7 @@ static int i915_frequency_info(struct seq_file *m, void *unused) pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); seq_printf(m, "Render p-state ratio: %d\n", - (gt_perf_status & 0xff00) >> 8); + (gt_perf_status & (IS_GEN9(dev) ? 0x1ff00 : 0xff00)) >> 8); seq_printf(m, "Render p-state VID: %d\n", gt_perf_status & 0xff); seq_printf(m, "Render p-state limit: %d\n", @@ -1178,14 +1184,17 @@ static int i915_frequency_info(struct seq_file *m, void *unused) GEN6_CURBSYTAVG_MASK); max_freq = (rp_state_cap & 0xff0000) >> 16; + max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", intel_gpu_freq(dev_priv, max_freq)); max_freq = (rp_state_cap & 0xff00) >> 8; + max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", intel_gpu_freq(dev_priv, max_freq)); max_freq = rp_state_cap & 0xff; + max_freq *= (IS_SKYLAKE(dev) ? GEN9_FREQ_SCALER : 1); seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", intel_gpu_freq(dev_priv, max_freq)); |