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From: Imre Deak <imre.deak@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>,
	Paulo Zanoni <paulo.r.zanoni@intel.com>
Subject: [PATCH v2 01/23] drm/i915/icl: Add support to read out the TBT PLL HW state
Date: Thu, 20 Jun 2019 17:05:38 +0300	[thread overview]
Message-ID: <20190620140600.11357-2-imre.deak@intel.com> (raw)
In-Reply-To: <20190620140600.11357-1-imre.deak@intel.com>

Add support to read out the TBT PLL HW state.

Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 8592a7d422de..62a7a88b1c2e 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -9939,13 +9939,20 @@ static void icelake_get_ddi_pll(struct drm_i915_private *dev_priv,
 	enum intel_dpll_id id;
 	u32 temp;
 
-	/* TODO: TBT pll not implemented. */
 	if (intel_port_is_combophy(dev_priv, port)) {
 		temp = I915_READ(DPCLKA_CFGCR0_ICL) &
 		       DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
 		id = temp >> DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port);
 	} else if (intel_port_is_tc(dev_priv, port)) {
-		id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv, port));
+		u32 clk_sel = I915_READ(DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK;
+
+		if (clk_sel == DDI_CLK_SEL_MG) {
+			id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv,
+								    port));
+		} else {
+			WARN_ON(clk_sel < DDI_CLK_SEL_TBT_162);
+			id = DPLL_ID_ICL_TBTPLL;
+		}
 	} else {
 		WARN(1, "Invalid port %x\n", port);
 		return;
-- 
2.17.1

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  reply	other threads:[~2019-06-20 14:06 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-20 14:05 [PATCH v2 00/23] drm/i915: Fix TypeC port mode switching Imre Deak
2019-06-20 14:05 ` Imre Deak [this message]
2019-06-20 14:05 ` [PATCH v2 02/23] drm/i915: Tune down WARNs about TBT AUX power well enabling Imre Deak
2019-06-20 14:05 ` [PATCH v2 03/23] drm/i915: Move the TypeC port handling code to a separate file Imre Deak
2019-06-20 14:05 ` [PATCH v2 04/23] drm/i915: Sanitize the terminology used for TypeC port modes Imre Deak
2019-06-20 14:05 ` [PATCH v2 05/23] drm/i915: Don't enable the DDI-IO power in the TypeC TBT-alt mode Imre Deak
2019-06-20 14:05 ` [PATCH v2 06/23] drm/i915: Fix the TBT AUX power well enabling Imre Deak
2019-06-20 14:05 ` [PATCH v2 07/23] drm/i915: Use the correct AUX power domain in TypeC TBT-alt mode Imre Deak
2019-06-20 14:05 ` [PATCH v2 08/23] drm/i915: Unify the TypeC port notation in debug/error messages Imre Deak
2019-06-20 14:05 ` [PATCH v2 09/23] drm/i915: Factor out common parts from TypeC port handling functions Imre Deak
2019-06-25 13:05   ` Ville Syrjälä
2019-06-25 13:48     ` Imre Deak
2019-06-26 20:50   ` [CI v3 " Imre Deak
2019-06-26 22:55     ` Souza, Jose
2019-06-27 10:34       ` Imre Deak
2019-06-20 14:05 ` [PATCH v2 10/23] drm/i915: Wait for TypeC PHY complete flag to clear in safe mode Imre Deak
2019-06-20 14:05 ` [PATCH v2 11/23] drm/i915: Handle the TCCOLD power-down event Imre Deak
2019-06-25 13:17   ` Ville Syrjälä
2019-06-25 14:22     ` Imre Deak
2019-06-26 20:50   ` [CI v3 " Imre Deak
2019-06-20 14:05 ` [PATCH v2 12/23] drm/i915: Sanitize the TypeC connect/detect sequences Imre Deak
2019-06-25 13:42   ` Ville Syrjälä
2019-06-25 18:30     ` Imre Deak
2019-06-26 11:51       ` Ville Syrjälä
2019-06-26 23:55   ` Souza, Jose
2019-06-27  9:48     ` Imre Deak
2019-06-27 21:06       ` Souza, Jose
2019-06-20 14:05 ` [PATCH v2 13/23] drm/i915: Fix the TypeC port mode sanitization during loading/resume Imre Deak
2019-06-26 18:04   ` [PATCH v3 " Imre Deak
2019-06-26 20:50   ` [CI " Imre Deak
2019-06-27 20:38     ` Souza, Jose
2019-06-20 14:05 ` [PATCH v2 14/23] drm/i915: Keep the TypeC port mode fixed for detect/AUX transfers Imre Deak
2019-06-25 13:43   ` Ville Syrjälä
2019-06-20 14:05 ` [PATCH v2 15/23] drm/i915: Sanitize the TypeC FIA lane configuration decoding Imre Deak
2019-06-20 14:05 ` [PATCH v2 16/23] drm/i915: Sanitize the shared DPLL reserve/release interface Imre Deak
2019-06-25 13:53   ` Ville Syrjälä
2019-06-25 18:57     ` Imre Deak
2019-06-25 19:48       ` Imre Deak
2019-06-20 14:05 ` [PATCH v2 17/23] drm/i915: Sanitize the shared DPLL find/reference interface Imre Deak
2019-06-25 13:54   ` Ville Syrjälä
2019-06-20 14:05 ` [PATCH v2 18/23] drm/i915/icl: Split getting the DPLLs to port type specific functions Imre Deak
2019-06-25 13:55   ` Ville Syrjälä
2019-06-20 14:05 ` [PATCH v2 19/23] drm/i915/icl: Reserve all required PLLs for TypeC ports Imre Deak
2019-06-25 13:58   ` Ville Syrjälä
2019-06-20 14:05 ` [PATCH v2 20/23] drm/i915: Keep the TypeC port mode fixed when the port is active Imre Deak
2019-06-25 14:01   ` Ville Syrjälä
2019-06-20 14:05 ` [PATCH v2 21/23] drm/i915: Add state verification for the TypeC port mode Imre Deak
2019-06-25 14:12   ` Ville Syrjälä
2019-06-25 19:23     ` Imre Deak
2019-06-26 11:52       ` Ville Syrjälä
2019-06-26 18:04   ` [v3 " Imre Deak
2019-06-26 20:50   ` [CI v3 " Imre Deak
2019-06-20 14:05 ` [PATCH v2 22/23] drm/i915: Remove unneeded disconnect in TypeC legacy " Imre Deak
2019-06-20 14:06 ` [PATCH v2 23/23] drm/i915: WARN about invalid lane reversal in TBT-alt/DP-alt modes Imre Deak
2019-06-20 17:23 ` ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Fix TypeC port mode switching (rev3) Patchwork
2019-06-20 17:32 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-06-20 18:05 ` ✓ Fi.CI.BAT: success " Patchwork
2019-06-20 22:42 ` ✓ Fi.CI.IGT: " Patchwork
2019-06-26 22:00 ` ✗ Fi.CI.BAT: failure for drm/i915: Fix TypeC port mode switching (rev7) Patchwork
  -- strict thread matches above, loose matches on Subject: below --
2019-06-26 18:04 [PATCH v3 09/23] drm/i915: Factor out common parts from TypeC port handling functions Imre Deak
2019-06-26 18:04 ` [PATCH v3 11/23] drm/i915: Handle the TCCOLD power-down event Imre Deak
2019-06-26 22:12   ` Souza, Jose
2019-06-27 10:09     ` Imre Deak
2019-06-27 12:59       ` Ville Syrjälä

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