diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2013-01-29 12:00:15 -0800 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-01-31 11:50:08 +0100 |
| commit | f82855d342b6c8483c56e6d2e200a71731509a39 (patch) | |
| tree | f0040d135595d10297d108ce76eb3a1a445ab65a /drivers | |
| parent | e78891ca7648a14dda5760be7b03eba7c628a804 (diff) | |
| download | lwn-f82855d342b6c8483c56e6d2e200a71731509a39.tar.gz lwn-f82855d342b6c8483c56e6d2e200a71731509a39.zip | |
drm/i915: Fix CAGF for HSW
The shift changed, hurray.
Reported-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: Paulo Zanoni <przanoni@gmail.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 10 | ||||
| -rw-r--r-- | 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 384f19368a1d..749114881c23 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 0c89cf5377ea..9a3cd047ad9b 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) |