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authorNagaraju, Vathsala <vathsala.nagaraju@intel.com>2016-12-09 23:42:09 +0530
committerRodrigo Vivi <rodrigo.vivi@intel.com>2016-12-09 16:39:56 -0800
commit7e3eb599236db605413b4e047692dab9b600d6c6 (patch)
tree3f8bfcec582a91859a9507be1dfb9f29db850c09 /drivers/gpu/drm/i915/i915_debugfs.c
parent16d98b31f807756269106f9a71b1a3dc0d19c629 (diff)
drm/i915/psr: report psr2 hw enabled from psr2_ctl
For PSR2 , as per spec, PSR2_CTL bit 31 to be set. for psr1, bit 31 in SRD_CTL to be set. Reporting "HW Enabled & Active bit" status for psr2 from SRD_CTL gives wrong status. Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Jim Bride <jim.bride@linux.intel.com> Signed-off-by: vathsala nagaraju <vathsala.nagaraju@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1481307129-29354-1-git-send-email-vathsala.nagaraju@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a746130c8e32..54e196d9d83e 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2567,9 +2567,12 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
seq_printf(m, "Re-enable work scheduled: %s\n",
yesno(work_busy(&dev_priv->psr.work.work)));
- if (HAS_DDI(dev_priv))
- enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
- else {
+ if (HAS_DDI(dev_priv)) {
+ if (dev_priv->psr.psr2_support)
+ enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE;
+ else
+ enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE;
+ } else {
for_each_pipe(dev_priv, pipe) {
enum transcoder cpu_transcoder =
intel_pipe_to_cpu_transcoder(dev_priv, pipe);