Hi, > -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Jani Nikula > Sent: Tuesday, May 23, 2023 2:49 PM > To: Lisovskiy, Stanislav <stanislav.lisovskiy@xxxxxxxxx>; Govindapillai, Vinod > <vinod.govindapillai@xxxxxxxxx> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Syrjala, Ville <ville.syrjala@xxxxxxxxx> > Subject: Re: [PATCH v5 8/8] drm/i915/display: provision to suppress > drm_warn in intel_get_crtc_new_encoder > > On Mon, 22 May 2023, "Lisovskiy, Stanislav" <stanislav.lisovskiy@xxxxxxxxx> > wrote: > > On Fri, May 12, 2023 at 02:17:50AM +0300, Vinod Govindapillai wrote: > >> While configuring pmdemand parameters, there could be > >> intel_get_crtc_new_encoder call where encoders could be 0. To avoid > >> invoking drm_warn in such cases, use a parameter to indicate drm_warn > >> should be suppressed. > >> > >> v2: checkpatch warning fixes > > > > I thought, last time we discussed this, wasn't it so that you > > mentioned that this patch will be removed?.. > > Yeah, the "bool warn" parameter is icky. This was already removed at v6. So review/check that. > > BR, > Jani. > > > > > >> > >> Signed-off-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx> > >> --- > >> drivers/gpu/drm/i915/display/intel_cx0_phy.c | 2 +- > >> drivers/gpu/drm/i915/display/intel_display.c | 10 ++++++---- > >> drivers/gpu/drm/i915/display/intel_display.h | 3 ++- > >> drivers/gpu/drm/i915/display/intel_dpll.c | 8 ++++---- > >> drivers/gpu/drm/i915/display/intel_pch_display.c | 2 +- > >> drivers/gpu/drm/i915/display/intel_pmdemand.c | 2 +- > >> drivers/gpu/drm/i915/display/intel_snps_phy.c | 2 +- > >> 7 files changed, 16 insertions(+), 13 deletions(-) > >> > >> diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c > >> b/drivers/gpu/drm/i915/display/intel_cx0_phy.c > >> index d94127e7448b..1a41a314f8d8 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c > >> +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c > >> @@ -2934,7 +2934,7 @@ void intel_c10pll_state_verify(struct > intel_atomic_state *state, > >> !intel_crtc_needs_fastset(new_crtc_state)) > >> return; > >> > >> - encoder = intel_get_crtc_new_encoder(state, new_crtc_state); > >> + encoder = intel_get_crtc_new_encoder(state, new_crtc_state, true); > >> phy = intel_port_to_phy(i915, encoder->port); > >> > >> if (!intel_is_c10phy(i915, phy)) > >> diff --git a/drivers/gpu/drm/i915/display/intel_display.c > >> b/drivers/gpu/drm/i915/display/intel_display.c > >> index dd390a0586ef..fb2b77aaaa69 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_display.c > >> +++ b/drivers/gpu/drm/i915/display/intel_display.c > >> @@ -763,7 +763,8 @@ bool intel_has_pending_fb_unpin(struct > drm_i915_private *dev_priv) > >> */ > >> struct intel_encoder * > >> intel_get_crtc_new_encoder(const struct intel_atomic_state *state, > >> - const struct intel_crtc_state *crtc_state) > >> + const struct intel_crtc_state *crtc_state, > >> + bool warn) > >> { > >> const struct drm_connector_state *connector_state; > >> const struct drm_connector *connector; @@ -782,9 +783,10 @@ > >> intel_get_crtc_new_encoder(const struct intel_atomic_state *state, > >> num_encoders++; > >> } > >> > >> - drm_WARN(state->base.dev, num_encoders != 1, > >> - "%d encoders for pipe %c\n", > >> - num_encoders, pipe_name(master_crtc->pipe)); > >> + if (warn) > >> + drm_WARN(state->base.dev, num_encoders != 1, > >> + "%d encoders for pipe %c\n", > >> + num_encoders, pipe_name(master_crtc->pipe)); > >> > >> return encoder; > >> } > >> diff --git a/drivers/gpu/drm/i915/display/intel_display.h > >> b/drivers/gpu/drm/i915/display/intel_display.h > >> index ac95961f68ba..4620ed991ff0 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_display.h > >> +++ b/drivers/gpu/drm/i915/display/intel_display.h > >> @@ -501,7 +501,8 @@ bool intel_plane_uses_fence(const struct > >> intel_plane_state *plane_state); > >> > >> struct intel_encoder * > >> intel_get_crtc_new_encoder(const struct intel_atomic_state *state, > >> - const struct intel_crtc_state *crtc_state); > >> + const struct intel_crtc_state *crtc_state, > >> + bool warn); > >> void intel_plane_disable_noatomic(struct intel_crtc *crtc, > >> struct intel_plane *plane); > >> void intel_set_plane_visible(struct intel_crtc_state *crtc_state, > >> diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c > >> b/drivers/gpu/drm/i915/display/intel_dpll.c > >> index ca0f362a40e3..3101de274f9d 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_dpll.c > >> +++ b/drivers/gpu/drm/i915/display/intel_dpll.c > >> @@ -940,7 +940,7 @@ static int hsw_crtc_compute_clock(struct > intel_atomic_state *state, > >> struct intel_crtc_state *crtc_state = > >> intel_atomic_get_new_crtc_state(state, crtc); > >> struct intel_encoder *encoder = > >> - intel_get_crtc_new_encoder(state, crtc_state); > >> + intel_get_crtc_new_encoder(state, crtc_state, true); > >> int ret; > >> > >> if (DISPLAY_VER(dev_priv) < 11 && > >> @@ -969,7 +969,7 @@ static int hsw_crtc_get_shared_dpll(struct > intel_atomic_state *state, > >> struct intel_crtc_state *crtc_state = > >> intel_atomic_get_new_crtc_state(state, crtc); > >> struct intel_encoder *encoder = > >> - intel_get_crtc_new_encoder(state, crtc_state); > >> + intel_get_crtc_new_encoder(state, crtc_state, true); > >> > >> if (DISPLAY_VER(dev_priv) < 11 && > >> intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) @@ -984,7 > >> +984,7 @@ static int dg2_crtc_compute_clock(struct intel_atomic_state > *state, > >> struct intel_crtc_state *crtc_state = > >> intel_atomic_get_new_crtc_state(state, crtc); > >> struct intel_encoder *encoder = > >> - intel_get_crtc_new_encoder(state, crtc_state); > >> + intel_get_crtc_new_encoder(state, crtc_state, true); > >> int ret; > >> > >> ret = intel_mpllb_calc_state(crtc_state, encoder); @@ -1003,7 > >> +1003,7 @@ static int mtl_crtc_compute_clock(struct intel_atomic_state > *state, > >> struct intel_crtc_state *crtc_state = > >> intel_atomic_get_new_crtc_state(state, crtc); > >> struct intel_encoder *encoder = > >> - intel_get_crtc_new_encoder(state, crtc_state); > >> + intel_get_crtc_new_encoder(state, crtc_state, true); > >> enum phy phy = intel_port_to_phy(i915, encoder->port); > >> int ret; > >> > >> diff --git a/drivers/gpu/drm/i915/display/intel_pch_display.c > >> b/drivers/gpu/drm/i915/display/intel_pch_display.c > >> index 2411fe4dee8b..fa91a9f66422 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_pch_display.c > >> +++ b/drivers/gpu/drm/i915/display/intel_pch_display.c > >> @@ -427,7 +427,7 @@ void ilk_pch_enable(struct intel_atomic_state *state, > >> if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) > >> temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; > >> > >> - port = intel_get_crtc_new_encoder(state, crtc_state)->port; > >> + port = intel_get_crtc_new_encoder(state, crtc_state, true)->port; > >> drm_WARN_ON(&dev_priv->drm, port < PORT_B || port > > PORT_D); > >> temp |= TRANS_DP_PORT_SEL(port); > >> > >> diff --git a/drivers/gpu/drm/i915/display/intel_pmdemand.c > >> b/drivers/gpu/drm/i915/display/intel_pmdemand.c > >> index ea117189910f..b9821f8b0700 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_pmdemand.c > >> +++ b/drivers/gpu/drm/i915/display/intel_pmdemand.c > >> @@ -224,7 +224,7 @@ int intel_pmdemand_atomic_check(struct > intel_atomic_state *state) > >> if (!new_crtc_state->hw.active) > >> continue; > >> > >> - encoder = intel_get_crtc_new_encoder(state, new_crtc_state); > >> + encoder = intel_get_crtc_new_encoder(state, new_crtc_state, > >> +false); > >> if (!encoder) > >> continue; > >> > >> diff --git a/drivers/gpu/drm/i915/display/intel_snps_phy.c > >> b/drivers/gpu/drm/i915/display/intel_snps_phy.c > >> index a72677bf617b..a4d56a2a670a 100644 > >> --- a/drivers/gpu/drm/i915/display/intel_snps_phy.c > >> +++ b/drivers/gpu/drm/i915/display/intel_snps_phy.c > >> @@ -2012,7 +2012,7 @@ void intel_mpllb_state_verify(struct > intel_atomic_state *state, > >> !intel_crtc_needs_fastset(new_crtc_state)) > >> return; > >> > >> - encoder = intel_get_crtc_new_encoder(state, new_crtc_state); > >> + encoder = intel_get_crtc_new_encoder(state, new_crtc_state, true); > >> intel_mpllb_readout_hw_state(encoder, &mpllb_hw_state); > >> > >> #define MPLLB_CHECK(__name) \ > >> -- > >> 2.34.1 > >> > > -- > Jani Nikula, Intel Open Source Graphics Center