diff options
| author | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-08-21 15:11:54 -0700 |
|---|---|---|
| committer | Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> | 2018-08-21 17:53:54 -0700 |
| commit | 63ec132d5b60a0d504a82ac0356557112dfbb114 (patch) | |
| tree | ee5833b105fa0a2234852b4247fffd234e87712a /drivers/gpu/drm/i915/intel_sprite.c | |
| parent | df4f94e810fc270db4baa8f4b35ef138246c7746 (diff) | |
drm/i915/psr: Print PSR_STATUS when PSR idle wait times out.
Knowing the status of the PSR HW state machine is useful for debug,
especially since we are seeing errors with PSR2 in CI.
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180821221156.2442-1-dhinakaran.pandiyan@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_sprite.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index f7026e887fa9..774bfb03c5d9 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -83,6 +83,7 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state) bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI); DEFINE_WAIT(wait); + u32 psr_status; vblank_start = adjusted_mode->crtc_vblank_start; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) @@ -104,8 +105,9 @@ void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state) * VBL interrupts will start the PSR exit and prevent a PSR * re-entry as well. */ - if (intel_psr_wait_for_idle(new_crtc_state)) - DRM_ERROR("PSR idle timed out, atomic update may fail\n"); + if (intel_psr_wait_for_idle(new_crtc_state, &psr_status)) + DRM_ERROR("PSR idle timed out 0x%x, atomic update may fail\n", + psr_status); local_irq_disable(); |