From patchwork Wed Nov 1 14:05:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kahola, Mika" X-Patchwork-Id: 13442840 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A3DCEC4167B for ; Wed, 1 Nov 2023 14:05:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7713D10E6FA; Wed, 1 Nov 2023 14:05:10 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id A9BD610E6FA for ; Wed, 1 Nov 2023 14:05:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698847509; x=1730383509; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=qrRjF/p785AVeSnmKoh4B72PmRHSaSn4Gl9oC2P3LK0=; b=d+05m3SAT/TzaRZA9uf8oDQ0Zz0eu6mMvxe91coJ7FC82Zlp4CRc6pmo VynKcx7OmVy6O4E8Lm9RtP/5lb3X2GgPV2ZQEF41c7u73CWldevlamIwZ GXlZ2mryQr8m/cSmIFAnV7hvvPCJI1Ss4Pnbz7VRBTHmXBaXxADFFmDM1 j83tsI8+MJCMBUaWT7mgRSMiZi++212EyFGefhVaeYUetAUo/MQRP1D2t zGjKfUdxa/4XShtKHaSsWc1vB99ltPqVmmihoDJXzITs0xmBSRreG6Y+P LbxIOaP8s0Ws4A2/WdaN14uBLwM8GVgv1PUgOymNl3LMvBrwlnp/0wtb9 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10881"; a="1395487" X-IronPort-AV: E=Sophos;i="6.03,268,1694761200"; d="scan'208";a="1395487" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Nov 2023 07:05:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10881"; a="851576779" X-IronPort-AV: E=Sophos;i="6.03,268,1694761200"; d="scan'208";a="851576779" Received: from sorvi2.fi.intel.com ([10.237.72.194]) by FMSMGA003.fm.intel.com with ESMTP; 01 Nov 2023 07:05:03 -0700 From: Mika Kahola To: intel-gfx@lists.freedesktop.org Date: Wed, 1 Nov 2023 16:05:01 +0200 Message-Id: <20231101140501.160582-1-mika.kahola@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/mtl: C20 state verification 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" Add state verification for C20 as we have one for C10. Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 111 ++++++++++++++---- drivers/gpu/drm/i915/display/intel_cx0_phy.h | 2 +- .../drm/i915/display/intel_modeset_verify.c | 2 +- 3 files changed, 88 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index b2ad4c6172f6..654e91deb7e8 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -3017,35 +3017,15 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder, return ICL_PORT_DPLL_DEFAULT; } -void intel_c10pll_state_verify(struct intel_atomic_state *state, - struct intel_crtc *crtc) +static void intel_c10pll_state_verify(const struct intel_crtc_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) { - struct drm_i915_private *i915 = to_i915(state->base.dev); - const struct intel_crtc_state *new_crtc_state = - intel_atomic_get_new_crtc_state(state, crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); struct intel_c10pll_state mpllb_hw_state = {}; - const struct intel_c10pll_state *mpllb_sw_state = &new_crtc_state->cx0pll_state.c10; - struct intel_encoder *encoder; - enum phy phy; + const struct intel_c10pll_state *mpllb_sw_state = &state->cx0pll_state.c10; int i; - if (DISPLAY_VER(i915) < 14) - return; - - if (!new_crtc_state->hw.active) - return; - - /* intel_get_crtc_new_encoder() only works for modeset/fastset commits */ - if (!intel_crtc_needs_modeset(new_crtc_state) && - !intel_crtc_needs_fastset(new_crtc_state)) - return; - - encoder = intel_get_crtc_new_encoder(state, new_crtc_state); - phy = intel_port_to_phy(i915, encoder->port); - - if (!intel_is_c10phy(i915, phy)) - return; - intel_c10pll_readout_hw_state(encoder, &mpllb_hw_state); for (i = 0; i < ARRAY_SIZE(mpllb_sw_state->pll); i++) { @@ -3091,3 +3071,84 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder, return intel_c20pll_calc_port_clock(encoder, &pll_state->c20); } + +static void intel_c20pll_state_verify(const struct intel_crtc_state *state, + struct intel_crtc *crtc, + struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + struct intel_c20pll_state mpll_hw_state = {}; + const struct intel_c20pll_state *mpll_sw_state = &state->cx0pll_state.c20; + bool use_mplla; + int i; + + intel_c20pll_readout_hw_state(encoder, &mpll_hw_state); + + use_mplla = intel_c20_use_mplla(mpll_hw_state.clock); + if (use_mplla) { + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mplla); i++) { + u8 expected = mpll_sw_state->mplla[i]; + + I915_STATE_WARN(i915, mpll_hw_state.mplla[i] != expected, + "[CRTC:%d:%s] mismatch in C20MPLLA: Register[%d] (expected 0x%02x, found 0x%02x)", + crtc->base.base.id, crtc->base.name, i, + expected, mpll_hw_state.mplla[i]); + } + } else { + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->mpllb); i++) { + u8 expected = mpll_sw_state->mpllb[i]; + + I915_STATE_WARN(i915, mpll_hw_state.mpllb[i] != expected, + "[CRTC:%d:%s] mismatch in C20MPLLB: Register[%d] (expected 0x%02x, found 0x%02x)", + crtc->base.base.id, crtc->base.name, i, + expected, mpll_hw_state.mpllb[i]); + } + } + + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->tx); i++) { + I915_STATE_WARN(i915, mpll_hw_state.tx[i] != mpll_sw_state->tx[i], + "[CRTC:%d:%s] mismatch in C20MPLL%s: Register TX[%i] (expected 0x%02x, found 0x%02x)", + crtc->base.base.id, crtc->base.name, + use_mplla ? "A" : "B", + i, + mpll_sw_state->tx[i], mpll_hw_state.tx[i]); + } + + for (i = 0; i < ARRAY_SIZE(mpll_sw_state->cmn); i++) { + I915_STATE_WARN(i915, mpll_hw_state.cmn[i] != mpll_sw_state->cmn[i], + "[CRTC:%d:%s] mismatch in C20MPLL%s: Register CMN[%i] (expected 0x%02x, found 0x%02x)", + crtc->base.base.id, crtc->base.name, + use_mplla ? "A" : "B", + i, + mpll_sw_state->cmn[i], mpll_hw_state.cmn[i]); + } +} + +void intel_cx0pll_state_verify(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + const struct intel_crtc_state *new_crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_encoder *encoder; + enum phy phy; + + if (DISPLAY_VER(i915) < 14) + return; + + if (!new_crtc_state->hw.active) + return; + + /* intel_get_crtc_new_encoder() only works for modeset/fastset commits */ + if (!intel_crtc_needs_modeset(new_crtc_state) && + !intel_crtc_needs_fastset(new_crtc_state)) + return; + + encoder = intel_get_crtc_new_encoder(state, new_crtc_state); + phy = intel_port_to_phy(i915, encoder->port); + + if (intel_is_c10phy(i915, phy)) + intel_c10pll_state_verify(new_crtc_state, crtc, encoder); + else + intel_c20pll_state_verify(new_crtc_state, crtc, encoder); +} diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h b/drivers/gpu/drm/i915/display/intel_cx0_phy.h index 222aed16e739..c6682677253a 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h @@ -38,7 +38,7 @@ int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder, void intel_c10pll_dump_hw_state(struct drm_i915_private *dev_priv, const struct intel_c10pll_state *hw_state); -void intel_c10pll_state_verify(struct intel_atomic_state *state, +void intel_cx0pll_state_verify(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_c20pll_dump_hw_state(struct drm_i915_private *i915, const struct intel_c20pll_state *hw_state); diff --git a/drivers/gpu/drm/i915/display/intel_modeset_verify.c b/drivers/gpu/drm/i915/display/intel_modeset_verify.c index 5e1c2c780412..076298a8d405 100644 --- a/drivers/gpu/drm/i915/display/intel_modeset_verify.c +++ b/drivers/gpu/drm/i915/display/intel_modeset_verify.c @@ -244,7 +244,7 @@ void intel_modeset_verify_crtc(struct intel_atomic_state *state, verify_crtc_state(state, crtc); intel_shared_dpll_state_verify(state, crtc); intel_mpllb_state_verify(state, crtc); - intel_c10pll_state_verify(state, crtc); + intel_cx0pll_state_verify(state, crtc); } void intel_modeset_verify_disabled(struct intel_atomic_state *state)