From 759cd2a6d1bf1a129e7705992198ff8bd1d2fed4 Mon Sep 17 00:00:00 2001 From: Gwan-gyeong Mun Date: Thu, 4 Feb 2021 15:40:15 +0200 Subject: [PATCH] drm/i915/display: Support Multiple Transcoders' PSR status on debugfs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit In order to support the PSR state of each transcoder, it adds i915_psr_status to sub-directory of each transcoder. v2: Change using of Symbolic permissions 'S_IRUGO' to using of octal permissions '0444' v5: Addressed JJani Nikula's review comments - Remove checking of Gen12 for i915_psr_status. - Add check of HAS_PSR() - Remove meaningless check routine. Signed-off-by: Gwan-gyeong Mun Cc: José Roberto de Souza Cc: Jani Nikula Cc: Anshuman Gupta Reviewed-by: Anshuman Gupta Signed-off-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20210204134015.419036-2-gwan-gyeong.mun@intel.com --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index b1bda1f..d6e4a92 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -2211,6 +2211,16 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data) } DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability); +static int i915_psr_status_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct intel_dp *intel_dp = + intel_attached_dp(to_intel_connector(connector)); + + return intel_psr_status(m, intel_dp); +} +DEFINE_SHOW_ATTRIBUTE(i915_psr_status); + #define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \ seq_puts(m, "LPSP: incapable\n")) @@ -2386,6 +2396,12 @@ int intel_connector_debugfs_add(struct drm_connector *connector) connector, &i915_psr_sink_status_fops); } + if (HAS_PSR(dev_priv) && + connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + debugfs_create_file("i915_psr_status", 0444, root, + connector, &i915_psr_status_fops); + } + if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { -- 2.7.4