From patchwork Wed Mar 28 15:31:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Timo Aaltonen X-Patchwork-Id: 892319 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ubuntu.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 40BBkk5kK3z9s0x; Thu, 29 Mar 2018 02:34:22 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1f1D5f-0003Zl-1P; Wed, 28 Mar 2018 15:34:19 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.86_2) (envelope-from ) id 1f1D5R-0003Fz-ST for kernel-team@lists.ubuntu.com; Wed, 28 Mar 2018 15:34:05 +0000 Received: from 85-76-74-52-nat.elisa-mobile.fi ([85.76.74.52] helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1f1D2v-00075e-1e for kernel-team@lists.ubuntu.com; Wed, 28 Mar 2018 15:31:29 +0000 From: Timo Aaltonen To: kernel-team@lists.ubuntu.com Subject: [PATCH 50/59] drm/i915/cnl: Enable DDI-F on Cannonlake. Date: Wed, 28 Mar 2018 18:31:00 +0300 Message-Id: <20180328153109.17126-51-tjaalton@ubuntu.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180328153109.17126-1-tjaalton@ubuntu.com> References: <20180328153109.17126-1-tjaalton@ubuntu.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Rodrigo Vivi BugLink: http://bugs.launchpad.net/bugs/1757573 Now let's finish the Port-F support by adding the proper port F detection, irq and power well support. v2: Rebase v3: Use BIT_ULL v4: Cover missed case on ddi init. v5: Update commit message. v6: Rebase on top of display headers rework. v7: Squash power-well handling related to DDI F to this patch to avoid warns as pointed out by DK. v8: Introduce DDI_F_LANES to PG2. (DK) v9: Squash in the PORT_F case for enabling DP MST encoder. (DK) Cc: Dhinakaran Pandiyan Cc: Manasi Navare Cc: Ville Syrjälä Signed-off-by: Rodrigo Vivi Reviewed-by: David Weinehall Reviewed-by: Dhinakaran Pandiyan Link: https://patchwork.freedesktop.org/patch/msgid/20180129232223.766-9-rodrigo.vivi@intel.com (backported from git://anongit.freedesktop.org/drm/drm-intel commit 9787e835fa98bbcd9abf90eff90c6f603d25d416) Signed-off-by: Timo Aaltonen --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/i915_reg.h | 2 ++ drivers/gpu/drm/i915/intel_ddi.c | 4 ++++ drivers/gpu/drm/i915/intel_display.c | 6 +++++- drivers/gpu/drm/i915/intel_dp.c | 3 ++- drivers/gpu/drm/i915/intel_runtime_pm.c | 20 +++++++++++++++++--- 6 files changed, 32 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 08e800cb3a1a..7251a605ea05 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -382,11 +382,13 @@ enum intel_display_power_domain { POWER_DOMAIN_PORT_DDI_C_LANES, POWER_DOMAIN_PORT_DDI_D_LANES, POWER_DOMAIN_PORT_DDI_E_LANES, + POWER_DOMAIN_PORT_DDI_F_LANES, POWER_DOMAIN_PORT_DDI_A_IO, POWER_DOMAIN_PORT_DDI_B_IO, POWER_DOMAIN_PORT_DDI_C_IO, POWER_DOMAIN_PORT_DDI_D_IO, POWER_DOMAIN_PORT_DDI_E_IO, + POWER_DOMAIN_PORT_DDI_F_IO, POWER_DOMAIN_PORT_DSI, POWER_DOMAIN_PORT_CRT, POWER_DOMAIN_PORT_OTHER, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 91cbbe3467cc..500689842e6b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1269,6 +1269,7 @@ enum i915_power_well_id { SKL_DISP_PW_DDI_B, SKL_DISP_PW_DDI_C, SKL_DISP_PW_DDI_D, + CNL_DISP_PW_DDI_F = 6, GLK_DISP_PW_AUX_A = 8, GLK_DISP_PW_AUX_B, @@ -8741,6 +8742,7 @@ enum skl_power_gate { #define SFUSE_STRAP_RAW_FREQUENCY (1<<8) #define SFUSE_STRAP_DISPLAY_DISABLED (1<<7) #define SFUSE_STRAP_CRT_DISABLED (1<<6) +#define SFUSE_STRAP_DDIF_DETECTED (1<<3) #define SFUSE_STRAP_DDIB_DETECTED (1<<2) #define SFUSE_STRAP_DDIC_DETECTED (1<<1) #define SFUSE_STRAP_DDID_DETECTED (1<<0) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 25baf7d3bb73..8b522975a471 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2859,6 +2859,10 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) intel_dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_E_IO; break; + case PORT_F: + intel_dig_port->ddi_io_power_domain = + POWER_DOMAIN_PORT_DDI_F_IO; + break; default: MISSING_CASE(port); } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1930872584ec..1cd0dc75789e 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5663,6 +5663,8 @@ enum intel_display_power_domain intel_port_to_power_domain(enum port port) return POWER_DOMAIN_PORT_DDI_D_LANES; case PORT_E: return POWER_DOMAIN_PORT_DDI_E_LANES; + case PORT_F: + return POWER_DOMAIN_PORT_DDI_F_LANES; default: MISSING_CASE(port); return POWER_DOMAIN_PORT_OTHER; @@ -13725,7 +13727,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) if (found || IS_GEN9_BC(dev_priv)) intel_ddi_init(dev_priv, PORT_A); - /* DDI B, C and D detection is indicated by the SFUSE_STRAP + /* DDI B, C, D, and F detection is indicated by the SFUSE_STRAP * register */ found = I915_READ(SFUSE_STRAP); @@ -13735,6 +13737,8 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) intel_ddi_init(dev_priv, PORT_C); if (found & SFUSE_STRAP_DDID_DETECTED) intel_ddi_init(dev_priv, PORT_D); + if (found & SFUSE_STRAP_DDIF_DETECTED) + intel_ddi_init(dev_priv, PORT_F); /* * On SKL we don't have a way to detect DDI-E so we rely on VBT. */ diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index a431aa81e010..e8f544235984 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -6109,7 +6109,8 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, /* init MST on ports that can support it */ if (HAS_DP_MST(dev_priv) && !intel_dp_is_edp(intel_dp) && - (port == PORT_B || port == PORT_C || port == PORT_D)) + (port == PORT_B || port == PORT_C || + port == PORT_D || port == PORT_F)) intel_dp_mst_encoder_init(intel_dig_port, intel_connector->base.base.id); diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 7808e2dbbe68..c62009f824cd 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -94,6 +94,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "PORT_DDI_D_LANES"; case POWER_DOMAIN_PORT_DDI_E_LANES: return "PORT_DDI_E_LANES"; + case POWER_DOMAIN_PORT_DDI_F_LANES: + return "PORT_DDI_F_LANES"; case POWER_DOMAIN_PORT_DDI_A_IO: return "PORT_DDI_A_IO"; case POWER_DOMAIN_PORT_DDI_B_IO: @@ -104,6 +106,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain) return "PORT_DDI_D_IO"; case POWER_DOMAIN_PORT_DDI_E_IO: return "PORT_DDI_E_IO"; + case POWER_DOMAIN_PORT_DDI_F_IO: + return "PORT_DDI_F_IO"; case POWER_DOMAIN_PORT_DSI: return "PORT_DSI"; case POWER_DOMAIN_PORT_CRT: @@ -1827,6 +1831,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) | \ BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) | \ BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) | \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_F_LANES) | \ BIT_ULL(POWER_DOMAIN_AUX_B) | \ BIT_ULL(POWER_DOMAIN_AUX_C) | \ BIT_ULL(POWER_DOMAIN_AUX_D) | \ @@ -1861,6 +1866,9 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, #define CNL_DISPLAY_AUX_F_POWER_DOMAINS ( \ BIT_ULL(POWER_DOMAIN_AUX_F) | \ BIT_ULL(POWER_DOMAIN_INIT)) +#define CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS ( \ + BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO) | \ + BIT_ULL(POWER_DOMAIN_INIT)) #define CNL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ @@ -2412,6 +2420,12 @@ static struct i915_power_well cnl_power_wells[] = { .ops = &hsw_power_well_ops, .id = SKL_DISP_PW_DDI_D, }, + { + .name = "DDI F IO power well", + .domains = CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS, + .ops = &hsw_power_well_ops, + .id = CNL_DISP_PW_DDI_F, + }, { .name = "AUX F", .domains = CNL_DISPLAY_AUX_F_POWER_DOMAINS, @@ -2535,13 +2549,13 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv) set_power_wells(power_domains, cnl_power_wells); /* - * Aux IO is getting enabled for all ports + * DDI and Aux IO are getting enabled for all ports * regardless the presence or use. So, in order to avoid - * timeouts, lets remove it from the list + * timeouts, lets remove them from the list * for the SKUs without port F. */ if (!IS_CNL_WITH_PORT_F(dev_priv)) - power_domains->power_well_count -= 1; + power_domains->power_well_count -= 2; } else if (IS_BROXTON(dev_priv)) { set_power_wells(power_domains, bxt_power_wells);