From: Paulo Zanoni Date: Fri, 31 May 2013 19:33:24 +0000 (-0300) Subject: drm/i915: add i915_ips_status debugfs entry X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=92d44621ad2d083bc03920c904ca0a5eb10d9ded;p=openwrt%2Fstaging%2Fblogic.git drm/i915: add i915_ips_status debugfs entry It just prints whether it's supported/enabled/disabled. Feature requested by the power management team. v2: Checkpatch started complaining about seq_printf with 1 argument. Requested-by: Kristen Accardi Signed-off-by: Paulo Zanoni Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 2b4a6fa6350e..76255a69752a 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1435,6 +1435,25 @@ static int i915_fbc_status(struct seq_file *m, void *unused) return 0; } +static int i915_ips_status(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + if (!IS_ULT(dev)) { + seq_puts(m, "not supported\n"); + return 0; + } + + if (I915_READ(IPS_CTL) & IPS_ENABLE) + seq_puts(m, "enabled\n"); + else + seq_puts(m, "disabled\n"); + + return 0; +} + static int i915_sr_status(struct seq_file *m, void *unused) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -2233,6 +2252,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_ring_freq_table", i915_ring_freq_table, 0}, {"i915_gfxec", i915_gfxec, 0}, {"i915_fbc_status", i915_fbc_status, 0}, + {"i915_ips_status", i915_ips_status, 0}, {"i915_sr_status", i915_sr_status, 0}, {"i915_opregion", i915_opregion, 0}, {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},