On Tue, 08 Mar 2016, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > On Tue, Mar 08, 2016 at 09:00:56PM +0200, Jani Nikula wrote: >> The DSI power domain was missing from BXT power well 1 definitions, >> failing to get the power well for DSI transcoders. As pipe A is in the >> same power well as DSI transcoders, the problem should only occur with >> pipes B and C. >> >> Cc: Ramalingam C <ramalingam.c@xxxxxxxxx> >> Cc: Deepak M <m.deepak@xxxxxxxxx> >> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> >> >> --- >> >> This should superseed [1], but a change will be required in >> haswell_get_pipe_config() or [2] to check the DSI power domain. >> >> [1] http://patchwork.freedesktop.org/patch/msgid/1456239619-14808-1-git-send-email-ramalingam.c@xxxxxxxxx >> [2] http://patchwork.freedesktop.org/patch/msgid/1456771760-18823-1-git-send-email-ramalingam.c@xxxxxxxxx >> --- >> drivers/gpu/drm/i915/intel_runtime_pm.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c >> index 5adf4b337de3..2e88a5e06884 100644 >> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c >> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c >> @@ -421,6 +421,7 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv, >> BIT(POWER_DOMAIN_TRANSCODER_EDP) | \ >> BIT(POWER_DOMAIN_PIPE_A_PANEL_FITTER) | \ >> BIT(POWER_DOMAIN_PORT_DDI_A_LANES) | \ >> + BIT(POWER_DOMAIN_PORT_DSI) | \ > > This is basically a nop since pw1 is under dmc control. But given that > we still have this stuff defined here, it's clearly correct to include > DSI here. > > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Pushed to drm-intel-next-queued, thanks for the review. None of the CI fails have anything to do with this. BR, Jani. > >> BIT(POWER_DOMAIN_AUX_A) | \ >> BIT(POWER_DOMAIN_PLLS) | \ >> BIT(POWER_DOMAIN_INIT)) >> -- >> 2.1.4 -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx