From patchwork Wed Sep 8 00:39:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 12479669 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0180C433F5 for ; Wed, 8 Sep 2021 00:40:43 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B1405610F8 for ; Wed, 8 Sep 2021 00:40:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B1405610F8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F154C6E106; Wed, 8 Sep 2021 00:40:42 +0000 (UTC) Received: from us-smtp-delivery-44.mimecast.com (us-smtp-delivery-44.mimecast.com [207.211.30.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7ECB56E106 for ; Wed, 8 Sep 2021 00:40:39 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-355-SanweyWPMQSFOTpZaqNnjg-1; Tue, 07 Sep 2021 20:40:36 -0400 X-MC-Unique: SanweyWPMQSFOTpZaqNnjg-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 00BA61006C98; Wed, 8 Sep 2021 00:40:36 +0000 (UTC) Received: from dreadlord-bne-redhat-com.bne.redhat.com (unknown [10.64.0.157]) by smtp.corp.redhat.com (Postfix) with ESMTP id 97EDD60C7F; Wed, 8 Sep 2021 00:40:34 +0000 (UTC) From: Dave Airlie To: intel-gfx@lists.freedesktop.org Cc: jani.nikula@linux.intel.com, Dave Airlie Date: Wed, 8 Sep 2021 10:39:44 +1000 Message-Id: <20210908003944.2972024-22-airlied@gmail.com> In-Reply-To: <20210908003944.2972024-1-airlied@gmail.com> References: <20210908003944.2972024-1-airlied@gmail.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=airlied@gmail.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: gmail.com Subject: [Intel-gfx] [PATCH 21/21] drm/i915: constify display wm vtable X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Dave Airlie This adds some extra checks for the table pointer being valid due to some paths not setting it due to failing CxSR. Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_display.c | 56 ++++++++------- drivers/gpu/drm/i915/i915_drv.h | 2 +- drivers/gpu/drm/i915/intel_pm.c | 74 ++++++++++++++------ 3 files changed, 81 insertions(+), 51 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 20fd35c6858c..a3d6ab0795a3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -161,8 +161,8 @@ static void intel_modeset_setup_hw_state(struct drm_device *dev, */ static void intel_update_watermarks(struct drm_i915_private *dev_priv) { - if (dev_priv->wm_disp.update_wm) - dev_priv->wm_disp.update_wm(dev_priv); + if (dev_priv->wm_disp && dev_priv->wm_disp->update_wm) + dev_priv->wm_disp->update_wm(dev_priv); } /* returns HPLL frequency in kHz */ @@ -2566,8 +2566,8 @@ static void intel_pre_plane_update(struct intel_atomic_state *state, * we'll continue to update watermarks the old way, if flags tell * us to. */ - if (dev_priv->wm_disp.initial_watermarks) - dev_priv->wm_disp.initial_watermarks(state, crtc); + if (dev_priv->wm_disp->initial_watermarks) + dev_priv->wm_disp->initial_watermarks(state, crtc); else if (new_crtc_state->update_wm_pre) intel_update_watermarks(dev_priv); } @@ -2941,8 +2941,8 @@ static void ilk_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - if (dev_priv->wm_disp.initial_watermarks) - dev_priv->wm_disp.initial_watermarks(state, crtc); + if (dev_priv->wm_disp->initial_watermarks) + dev_priv->wm_disp->initial_watermarks(state, crtc); intel_enable_pipe(new_crtc_state); if (new_crtc_state->has_pch_encoder) @@ -3152,8 +3152,8 @@ static void hsw_crtc_enable(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) >= 11) icl_set_pipe_chicken(new_crtc_state); - if (dev_priv->wm_disp.initial_watermarks) - dev_priv->wm_disp.initial_watermarks(state, crtc); + if (dev_priv->wm_disp && dev_priv->wm_disp->initial_watermarks) + dev_priv->wm_disp->initial_watermarks(state, crtc); if (DISPLAY_VER(dev_priv) >= 11) { const struct intel_dbuf_state *dbuf_state = @@ -3570,7 +3570,7 @@ static void valleyview_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - dev_priv->wm_disp.initial_watermarks(state, crtc); + dev_priv->wm_disp->initial_watermarks(state, crtc); intel_enable_pipe(new_crtc_state); intel_crtc_vblank_on(new_crtc_state); @@ -3613,8 +3613,8 @@ static void i9xx_crtc_enable(struct intel_atomic_state *state, /* update DSPCNTR to configure gamma for pipe bottom color */ intel_disable_primary_plane(new_crtc_state); - if (dev_priv->wm_disp.initial_watermarks) - dev_priv->wm_disp.initial_watermarks(state, crtc); + if (dev_priv->wm_disp && dev_priv->wm_disp->initial_watermarks) + dev_priv->wm_disp->initial_watermarks(state, crtc); else intel_update_watermarks(dev_priv); intel_enable_pipe(new_crtc_state); @@ -3682,7 +3682,7 @@ static void i9xx_crtc_disable(struct intel_atomic_state *state, if (DISPLAY_VER(dev_priv) != 2) intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); - if (!dev_priv->wm_disp.initial_watermarks) + if (dev_priv->wm_disp && !dev_priv->wm_disp->initial_watermarks) intel_update_watermarks(dev_priv); /* clock the pipe down to 640x480@60 to potentially save power */ @@ -6790,8 +6790,8 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, return ret; } - if (dev_priv->wm_disp.compute_pipe_wm) { - ret = dev_priv->wm_disp.compute_pipe_wm(state, crtc); + if (dev_priv->wm_disp && dev_priv->wm_disp->compute_pipe_wm) { + ret = dev_priv->wm_disp->compute_pipe_wm(state, crtc); if (ret) { drm_dbg_kms(&dev_priv->drm, "Target pipe watermarks are invalid\n"); @@ -6800,9 +6800,9 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, } - if (dev_priv->wm_disp.compute_intermediate_wm) { + if (dev_priv->wm_disp && dev_priv->wm_disp->compute_intermediate_wm) { if (drm_WARN_ON(&dev_priv->drm, - !dev_priv->wm_disp.compute_pipe_wm)) + !dev_priv->wm_disp->compute_pipe_wm)) return 0; /* @@ -6810,7 +6810,7 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state, * old state and the new state. We can program these * immediately. */ - ret = dev_priv->wm_disp.compute_intermediate_wm(state, crtc); + ret = dev_priv->wm_disp->compute_intermediate_wm(state, crtc); if (ret) { drm_dbg_kms(&dev_priv->drm, "No valid intermediate pipe watermarks are possible\n"); @@ -8919,8 +8919,8 @@ static int calc_watermark_data(struct intel_atomic_state *state) struct drm_i915_private *dev_priv = to_i915(dev); /* Is there platform-specific watermark information to calculate? */ - if (dev_priv->wm_disp.compute_global_watermarks) - return dev_priv->wm_disp.compute_global_watermarks(state); + if (dev_priv->wm_disp && dev_priv->wm_disp->compute_global_watermarks) + return dev_priv->wm_disp->compute_global_watermarks(state); return 0; } @@ -9745,8 +9745,8 @@ static void commit_pipe_pre_planes(struct intel_atomic_state *state, intel_psr2_program_trans_man_trk_ctl(new_crtc_state); } - if (dev_priv->wm_disp.atomic_update_watermarks) - dev_priv->wm_disp.atomic_update_watermarks(state, crtc); + if (dev_priv->wm_disp && dev_priv->wm_disp->atomic_update_watermarks) + dev_priv->wm_disp->atomic_update_watermarks(state, crtc); } static void commit_pipe_post_planes(struct intel_atomic_state *state, @@ -9874,8 +9874,8 @@ static void intel_old_crtc_state_disables(struct intel_atomic_state *state, /* FIXME unify this for all platforms */ if (!new_crtc_state->hw.active && !HAS_GMCH(dev_priv) && - dev_priv->wm_disp.initial_watermarks) - dev_priv->wm_disp.initial_watermarks(state, crtc); + dev_priv->wm_disp && dev_priv->wm_disp->initial_watermarks) + dev_priv->wm_disp->initial_watermarks(state, crtc); } static void intel_commit_modeset_disables(struct intel_atomic_state *state) @@ -10297,8 +10297,8 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) if (DISPLAY_VER(dev_priv) == 2 && planes_enabling(old_crtc_state, new_crtc_state)) intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true); - if (dev_priv->wm_disp.optimize_watermarks) - dev_priv->wm_disp.optimize_watermarks(state, crtc); + if (dev_priv->wm_disp && dev_priv->wm_disp->optimize_watermarks) + dev_priv->wm_disp->optimize_watermarks(state, crtc); } intel_dbuf_post_plane_update(state); @@ -11387,7 +11387,9 @@ static void sanitize_watermarks(struct drm_i915_private *dev_priv) int i; /* Only supported on platforms that use atomic watermark design */ - if (!dev_priv->wm_disp.optimize_watermarks) + if (!dev_priv->wm_disp) + return; + if (!dev_priv->wm_disp->optimize_watermarks) return; state = drm_atomic_state_alloc(&dev_priv->drm); @@ -11420,7 +11422,7 @@ static void sanitize_watermarks(struct drm_i915_private *dev_priv) /* Write calculated watermark values back */ for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) { crtc_state->wm.need_postvbl_update = true; - dev_priv->wm_disp.optimize_watermarks(intel_state, crtc); + dev_priv->wm_disp->optimize_watermarks(intel_state, crtc); to_intel_crtc_state(crtc->base.state)->wm = crtc_state->wm; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 44094a25a110..eacd30c076a8 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -993,7 +993,7 @@ struct drm_i915_private { const struct drm_i915_cg_funcs *cg_funcs; /* pm display functions */ - struct drm_i915_wm_disp_funcs wm_disp; + const struct drm_i915_wm_disp_funcs *wm_disp; /* irq display functions */ const struct drm_i915_irq_funcs *irq_funcs; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 44f5582531ac..cceeb059f801 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7976,6 +7976,48 @@ void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) } } +static const struct drm_i915_wm_disp_funcs skl_wm_funcs = { + .compute_global_watermarks = skl_compute_wm +}; + +static const struct drm_i915_wm_disp_funcs ilk_wm_funcs = { + .compute_pipe_wm = ilk_compute_pipe_wm, + .compute_intermediate_wm = ilk_compute_intermediate_wm, + .initial_watermarks = ilk_initial_watermarks, + .optimize_watermarks = ilk_optimize_watermarks +}; + +static const struct drm_i915_wm_disp_funcs vlv_wm_funcs = { + .compute_pipe_wm = vlv_compute_pipe_wm, + .compute_intermediate_wm = vlv_compute_intermediate_wm, + .initial_watermarks = vlv_initial_watermarks, + .optimize_watermarks = vlv_optimize_watermarks, + .atomic_update_watermarks = vlv_atomic_update_fifo +}; + +static const struct drm_i915_wm_disp_funcs g4x_wm_funcs = { + .compute_pipe_wm = g4x_compute_pipe_wm, + .compute_intermediate_wm = g4x_compute_intermediate_wm, + .initial_watermarks = g4x_initial_watermarks, + .optimize_watermarks = g4x_optimize_watermarks +}; + +static const struct drm_i915_wm_disp_funcs pnv_wm_funcs = { + .update_wm = pnv_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i965_wm_funcs = { + .update_wm = i965_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i9xx_wm_funcs = { + .update_wm = i9xx_update_wm, +}; + +static const struct drm_i915_wm_disp_funcs i845_wm_funcs = { + .update_wm = i845_update_wm, +}; + /* Set up chip specific power management-related functions */ void intel_init_pm(struct drm_i915_private *dev_priv) { @@ -7991,7 +8033,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv) /* For FIFO watermark updates */ if (DISPLAY_VER(dev_priv) >= 9) { skl_setup_wm_latency(dev_priv); - dev_priv->wm_disp.compute_global_watermarks = skl_compute_wm; + dev_priv->wm_disp = &skl_wm_funcs; } else if (HAS_PCH_SPLIT(dev_priv)) { ilk_setup_wm_latency(dev_priv); @@ -7999,13 +8041,7 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->wm.spr_latency[1] && dev_priv->wm.cur_latency[1]) || (DISPLAY_VER(dev_priv) != 5 && dev_priv->wm.pri_latency[0] && dev_priv->wm.spr_latency[0] && dev_priv->wm.cur_latency[0])) { - dev_priv->wm_disp.compute_pipe_wm = ilk_compute_pipe_wm; - dev_priv->wm_disp.compute_intermediate_wm = - ilk_compute_intermediate_wm; - dev_priv->wm_disp.initial_watermarks = - ilk_initial_watermarks; - dev_priv->wm_disp.optimize_watermarks = - ilk_optimize_watermarks; + dev_priv->wm_disp = &ilk_wm_funcs; } else { drm_dbg_kms(&dev_priv->drm, "Failed to read display plane latency. " @@ -8013,17 +8049,10 @@ void intel_init_pm(struct drm_i915_private *dev_priv) } } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { vlv_setup_wm_latency(dev_priv); - dev_priv->wm_disp.compute_pipe_wm = vlv_compute_pipe_wm; - dev_priv->wm_disp.compute_intermediate_wm = vlv_compute_intermediate_wm; - dev_priv->wm_disp.initial_watermarks = vlv_initial_watermarks; - dev_priv->wm_disp.optimize_watermarks = vlv_optimize_watermarks; - dev_priv->wm_disp.atomic_update_watermarks = vlv_atomic_update_fifo; + dev_priv->wm_disp = &vlv_wm_funcs; } else if (IS_G4X(dev_priv)) { g4x_setup_wm_latency(dev_priv); - dev_priv->wm_disp.compute_pipe_wm = g4x_compute_pipe_wm; - dev_priv->wm_disp.compute_intermediate_wm = g4x_compute_intermediate_wm; - dev_priv->wm_disp.initial_watermarks = g4x_initial_watermarks; - dev_priv->wm_disp.optimize_watermarks = g4x_optimize_watermarks; + dev_priv->wm_disp = &g4x_wm_funcs; } else if (IS_PINEVIEW(dev_priv)) { if (!intel_get_cxsr_latency(!IS_MOBILE(dev_priv), dev_priv->is_ddr3, @@ -8037,18 +8066,17 @@ void intel_init_pm(struct drm_i915_private *dev_priv) dev_priv->fsb_freq, dev_priv->mem_freq); /* Disable CxSR and never update its watermark again */ intel_set_memory_cxsr(dev_priv, false); - dev_priv->wm_disp.update_wm = NULL; } else - dev_priv->wm_disp.update_wm = pnv_update_wm; + dev_priv->wm_disp = &pnv_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 4) { - dev_priv->wm_disp.update_wm = i965_update_wm; + dev_priv->wm_disp = &i965_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 3) { - dev_priv->wm_disp.update_wm = i9xx_update_wm; + dev_priv->wm_disp = &i9xx_wm_funcs; } else if (DISPLAY_VER(dev_priv) == 2) { if (INTEL_NUM_PIPES(dev_priv) == 1) - dev_priv->wm_disp.update_wm = i845_update_wm; + dev_priv->wm_disp = &i845_wm_funcs; else - dev_priv->wm_disp.update_wm = i9xx_update_wm; + dev_priv->wm_disp = &i9xx_wm_funcs; } else { drm_err(&dev_priv->drm, "unexpected fall-through in %s\n", __func__);