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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 09:21:09 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 09:21:09 -0700 |
commit | 757c26b804428ef10888b8e00f34994dbe361d3a (patch) | |
tree | 4695afbf476ce9818bc01d34d4c266811365296c /drivers/gpu/drm/i915/i915_debugfs.c | |
parent | e08dc1325feaf49eec392ee52feb2974ec3f5155 (diff) | |
parent | 5a96a899bbdee86024ab9ea6d02b9e242faacbed (diff) | |
download | op-kernel-dev-757c26b804428ef10888b8e00f34994dbe361d3a.zip op-kernel-dev-757c26b804428ef10888b8e00f34994dbe361d3a.tar.gz |
Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (135 commits)
drm/radeon/kms: fix DP training for DPEncoderService revision bigger than 1.1
drm/radeon/kms: add missing vddci setting on NI+
drm/radeon: Add a rmb() in IH processing
drm/radeon: ATOM Endian fix for atombios_crtc_program_pll()
drm/radeon: Fix the definition of RADEON_BUF_SWAP_32BIT
drm/radeon: Do an MMIO read on interrupts when not uisng MSIs
drm/radeon: Writeback endian fixes
drm/radeon: Remove a bunch of useless _iomem casts
drm/gem: add support for private objects
DRM: clean up and document parsing of video= parameter
DRM: Radeon: Fix section mismatch.
drm: really make debug levels match in edid failure code
drm/radeon/kms: fix i2c map for rv250/280
drm/nouveau/gr: disable fifo access and idle before suspend ctx unload
drm/nouveau: pass flag to engine fini() method on suspend
drm/nouveau: replace nv04_graph_fifo_access() use with direct reg bashing
drm/nv40/gr: rewrite/split context takedown functions
drm/nouveau: detect disabled device in irq handler and return IRQ_NONE
drm/nouveau: ignore connector type when deciding digital/analog on DVI-I
drm/nouveau: Add a quirk for Gigabyte NX86T
...
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0a893f7..e2662497 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -865,7 +865,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) MEMSTAT_VID_SHIFT); seq_printf(m, "Current P-state: %d\n", (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); - } else if (IS_GEN6(dev)) { + } else if (IS_GEN6(dev) || IS_GEN7(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); @@ -1123,6 +1123,44 @@ static int i915_emon_status(struct seq_file *m, void *unused) return 0; } +static int i915_ring_freq_table(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + int ret; + int gpu_freq, ia_freq; + + if (!(IS_GEN6(dev) || IS_GEN7(dev))) { + seq_printf(m, "unsupported on this chipset\n"); + return 0; + } + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + seq_printf(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\n"); + + for (gpu_freq = dev_priv->min_delay; gpu_freq <= dev_priv->max_delay; + gpu_freq++) { + I915_WRITE(GEN6_PCODE_DATA, gpu_freq); + I915_WRITE(GEN6_PCODE_MAILBOX, GEN6_PCODE_READY | + GEN6_PCODE_READ_MIN_FREQ_TABLE); + if (wait_for((I915_READ(GEN6_PCODE_MAILBOX) & + GEN6_PCODE_READY) == 0, 10)) { + DRM_ERROR("pcode read of freq table timed out\n"); + continue; + } + ia_freq = I915_READ(GEN6_PCODE_DATA); + seq_printf(m, "%d\t\t%d\n", gpu_freq * 50, ia_freq * 100); + } + + mutex_unlock(&dev->struct_mutex); + + return 0; +} + static int i915_gfxec(struct seq_file *m, void *unused) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -1430,6 +1468,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_inttoext_table", i915_inttoext_table, 0}, {"i915_drpc_info", i915_drpc_info, 0}, {"i915_emon_status", i915_emon_status, 0}, + {"i915_ring_freq_table", i915_ring_freq_table, 0}, {"i915_gfxec", i915_gfxec, 0}, {"i915_fbc_status", i915_fbc_status, 0}, {"i915_sr_status", i915_sr_status, 0}, |