On Thu, 2021-04-22 at 19:05 +0300, Gwan-gyeong Mun wrote: > TGL PSR2 hardware tracking shows momentary flicker and screen shift if > TGL Display stepping is B1 from A0. > It has been fixed from TGL Display stepping C0. > > HSDES: 18015970021 > HSDES: 2209313811 > BSpec: 55378 > > v2: Add checking of PSR2 manual tracking (Jose) >
Reviewed-by: José Roberto de Souza <[email protected]> > Cc: José Roberto de Souza <[email protected]> > Signed-off-by: Gwan-gyeong Mun <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_psr.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c > b/drivers/gpu/drm/i915/display/intel_psr.c > index 4ad756e238c5..17cbdd7805a2 100644 > --- a/drivers/gpu/drm/i915/display/intel_psr.c > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > @@ -817,6 +817,13 @@ static bool intel_psr2_config_valid(struct intel_dp > *intel_dp, > } > } > > > > > + /* Wa_2209313811 */ > + if (!crtc_state->enable_psr2_sel_fetch && > + IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B1)) { > + drm_dbg_kms(&dev_priv->drm, "PSR2 HW tracking is not supported > this Display stepping\n"); > + return false; > + } > + > if (!crtc_state->enable_psr2_sel_fetch && > (crtc_hdisplay > psr_max_h || crtc_vdisplay > psr_max_v)) { > drm_dbg_kms(&dev_priv->drm, _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
