Hi 2013/1/29 Ben Widawsky <ben at bwidawsk.net>: > The shift changed, hurray. > > WARNING: only compile tested Now it's tested, so you can remove this sentence. Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com> Tested-by: Paulo Zanoni <paulo.r.zanoni at intel.com> > > Reported-by: Kenneth Graunke <kenneth at whitecape.org> > Cc: Paulo Zanoni <przanoni at gmail.com> > Signed-off-by: Ben Widawsky <ben at bwidawsk.net> > --- > drivers/gpu/drm/i915/i915_debugfs.c | 10 +++++++--- > drivers/gpu/drm/i915/i915_reg.h | 2 ++ > 2 files changed, 9 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c > index 384f193..7491148 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -957,7 +957,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) > 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); > - u32 rpstat; > + u32 rpstat, cagf; > u32 rpupei, rpcurup, rpprevup; > u32 rpdownei, rpcurdown, rpprevdown; > int max_freq; > @@ -976,6 +976,11 @@ static int i915_cur_delayinfo(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)) > + cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; > + else > + cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; > + cagf *= GT_FREQUENCY_MULTIPLIER; > > gen6_gt_force_wake_put(dev_priv); > mutex_unlock(&dev->struct_mutex); > @@ -988,8 +993,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) > gt_perf_status & 0xff); > seq_printf(m, "Render p-state limit: %d\n", > rp_state_limits & 0xff); > - seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >> > - GEN6_CAGF_SHIFT) * GT_FREQUENCY_MULTIPLIER); > + seq_printf(m, "CAGF: %dMHz\n", cagf); > seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & > GEN6_CURICONT_MASK); > seq_printf(m, "RP CUR UP: %dus\n", rpcurup & > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 0c89cf5..9a3cd04 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -4196,7 +4196,9 @@ > #define GEN6_RP_INTERRUPT_LIMITS 0xA014 > #define GEN6_RPSTAT1 0xA01C > #define GEN6_CAGF_SHIFT 8 > +#define HSW_CAGF_SHIFT 7 > #define GEN6_CAGF_MASK (0x7f << GEN6_CAGF_SHIFT) > +#define HSW_CAGF_MASK (0x7f << HSW_CAGF_SHIFT) > #define GEN6_RP_CONTROL 0xA024 > #define GEN6_RP_MEDIA_TURBO (1<<11) > #define GEN6_RP_MEDIA_MODE_MASK (3<<9) > -- > 1.8.1.1 > -- Paulo Zanoni