| Message ID | 20240605102553.187309-14-jouni.hogander@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Panel Replay eDP support | expand |
> -----Original Message----- > From: Hogander, Jouni <jouni.hogander@intel.com> > Sent: Wednesday, June 5, 2024 3:56 PM > To: intel-gfx@lists.freedesktop.org > Cc: Manna, Animesh <animesh.manna@intel.com>; Kahola, Mika > <mika.kahola@intel.com>; Hogander, Jouni <jouni.hogander@intel.com> > Subject: [PATCH v6 13/26] drm/i915/psr: Check vblank against IO buffer wake > time on Lunarlake > > As Lunarlake doesn't have block count configuration vblank should be > checked against IO buffer wake time. > > Bspec: 68920 > > Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Animesh Manna <animesh.manna@intel.com> > --- > drivers/gpu/drm/i915/display/intel_psr.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c > b/drivers/gpu/drm/i915/display/intel_psr.c > index 471b60032304..c9fcb25184ee 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -1246,9 +1246,13 @@ static int intel_psr_entry_setup_frames(struct > intel_dp *intel_dp, static bool vblank_length_valid(struct intel_dp *intel_dp, > const struct intel_crtc_state *crtc_state) { > + struct drm_i915_private *i915 = dp_to_i915(intel_dp); > int vblank = crtc_state->hw.adjusted_mode.crtc_vblank_end - > crtc_state->hw.adjusted_mode.crtc_vblank_start; > - int wake_lines = psr2_block_count_lines(intel_dp); > + int wake_lines; > + > + wake_lines = DISPLAY_VER(i915) < 20 ? > psr2_block_count_lines(intel_dp) : > + intel_dp->alpm_parameters.io_wake_lines; > > if (crtc_state->req_psr2_sdp_prior_scanline) > vblank -= 1; > -- > 2.34.1
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 471b60032304..c9fcb25184ee 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1246,9 +1246,13 @@ static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, static bool vblank_length_valid(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); int vblank = crtc_state->hw.adjusted_mode.crtc_vblank_end - crtc_state->hw.adjusted_mode.crtc_vblank_start; - int wake_lines = psr2_block_count_lines(intel_dp); + int wake_lines; + + wake_lines = DISPLAY_VER(i915) < 20 ? psr2_block_count_lines(intel_dp) : + intel_dp->alpm_parameters.io_wake_lines; if (crtc_state->req_psr2_sdp_prior_scanline) vblank -= 1;
As Lunarlake doesn't have block count configuration vblank should be checked against IO buffer wake time. Bspec: 68920 Signed-off-by: Jouni Högander <jouni.hogander@intel.com> --- drivers/gpu/drm/i915/display/intel_psr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)