Hi Rodrigo, >-----Original Message----- >From: Intel-gfx [mailto:intel-gfx-boun...@lists.freedesktop.org] On Behalf Of >Rodrigo Vivi >Sent: Monday, January 12, 2015 11:45 PM >To: intel-gfx@lists.freedesktop.org >Cc: Vivi, Rodrigo >Subject: [Intel-gfx] [PATCH 3/9] drm/i915: PSR HSW/BDW: Fix inverted logic at >sink main_link_active bit. > >We have only two possible states with so many names and combinations that >might be confusing. > >1 - Main link active / enabled / stand by / on >2 - Main link disabled / off / full off
In this case, I think we should use 'link_active' instead of 'link_standby' since 'active' is what is used by the eDP spec and most of our PSR macros. But, I believe we can have this as a separate patch. For patches 1-3, Reviewed-by: Durgadoss R <durgados...@intel.com> Thanks, Durga > >Let's start organizing it by fixing a inverted logic when setting the sink bit. > >Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com> >--- > drivers/gpu/drm/i915/intel_psr.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > >diff --git a/drivers/gpu/drm/i915/intel_psr.c >b/drivers/gpu/drm/i915/intel_psr.c >index 3dd8886..0af89db 100644 >--- a/drivers/gpu/drm/i915/intel_psr.c >+++ b/drivers/gpu/drm/i915/intel_psr.c >@@ -163,10 +163,10 @@ static void hsw_psr_enable_sink(struct intel_dp >*intel_dp) > /* Enable PSR in sink */ > if (intel_dp->psr_dpcd[1] & DP_PSR_NO_TRAIN_ON_EXIT || only_standby) > drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, >- DP_PSR_ENABLE & ~DP_PSR_MAIN_LINK_ACTIVE); >+ DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE); > else > drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, >- DP_PSR_ENABLE | DP_PSR_MAIN_LINK_ACTIVE); >+ DP_PSR_ENABLE & ~DP_PSR_MAIN_LINK_ACTIVE); > > /* Setup AUX registers */ > for (i = 0; i < sizeof(aux_msg); i += 4) >-- >2.1.0 > >_______________________________________________ >Intel-gfx mailing list >Intel-gfx@lists.freedesktop.org >http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
