[Intel-gfx] [PATCH 13/28] drm/i915/tgl: Add new pll ids

Srivatsa, Anusha anusha.srivatsa at intel.com
Wed Jun 26 23:12:18 UTC 2019



>-----Original Message-----
>From: Intel-gfx [mailto:intel-gfx-bounces at lists.freedesktop.org] On Behalf Of
>Lucas De Marchi
>Sent: Tuesday, June 25, 2019 10:54 AM
>To: intel-gfx at lists.freedesktop.org
>Cc: De Marchi, Lucas <lucas.demarchi at intel.com>
>Subject: [Intel-gfx] [PATCH 13/28] drm/i915/tgl: Add new pll ids
>
>From: Vandita Kulkarni <vandita.kulkarni at intel.com>
>
>Add 2 new PLLs for additional TC ports. The names for the PLLs on TGL changed,
>but most registers remained the same, like MGPLL5_ENABLE, MGPLL6_ENABLE.
>So continue to use the name from ICL.
>
>Cc: Madhav Chauhan <madhav.chauhan at intel.com>
>Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
>Signed-off-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
>Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
Looks good.

Reviewed-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
>---
> drivers/gpu/drm/i915/display/intel_dpll_mgr.h | 23 +++++++++++++++----
> 1 file changed, 18 insertions(+), 5 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
>b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
>index d0570414f3d1..b943f5e3f143 100644
>--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
>+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
>@@ -110,35 +110,48 @@ enum intel_dpll_id {
>
>
> 	/**
>-	 * @DPLL_ID_ICL_DPLL0: ICL combo PHY DPLL0
>+	 * @DPLL_ID_ICL_DPLL0: ICL/TGL combo PHY DPLL0
> 	 */
> 	DPLL_ID_ICL_DPLL0 = 0,
> 	/**
>-	 * @DPLL_ID_ICL_DPLL1: ICL combo PHY DPLL1
>+	 * @DPLL_ID_ICL_DPLL1: ICL/TGL combo PHY DPLL1
> 	 */
> 	DPLL_ID_ICL_DPLL1 = 1,
> 	/**
>-	 * @DPLL_ID_ICL_TBTPLL: ICL TBT PLL
>+	 * @DPLL_ID_ICL_TBTPLL: ICL/TGL TBT PLL
> 	 */
> 	DPLL_ID_ICL_TBTPLL = 2,
> 	/**
>-	 * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C)
>+	 * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C),
>+	 *                      TGL TC PLL 1 port 1 (TC1)
> 	 */
> 	DPLL_ID_ICL_MGPLL1 = 3,
> 	/**
> 	 * @DPLL_ID_ICL_MGPLL2: ICL MG PLL 1 port 2 (D)
>+	 *                      TGL TC PLL 1 port 2 (TC2)
> 	 */
> 	DPLL_ID_ICL_MGPLL2 = 4,
> 	/**
> 	 * @DPLL_ID_ICL_MGPLL3: ICL MG PLL 1 port 3 (E)
>+	 *                      TGL TC PLL 1 port 3 (TC3)
> 	 */
> 	DPLL_ID_ICL_MGPLL3 = 5,
> 	/**
> 	 * @DPLL_ID_ICL_MGPLL4: ICL MG PLL 1 port 4 (F)
>+	 *                      TGL TC PLL 1 port 4 (TC4)
> 	 */
> 	DPLL_ID_ICL_MGPLL4 = 6,
>+	/**
>+	 * @DPLL_ID_TGL_TCPLL5: TGL TC PLL port 5 (TC5)
>+	 */
>+	DPLL_ID_TGL_MGPLL5 = 7,
>+	/**
>+	 * @DPLL_ID_TGL_TCPLL6: TGL TC PLL port 6 (TC6)
>+	 */
>+	DPLL_ID_TGL_MGPLL6 = 8,
> };
>-#define I915_NUM_PLLS 7
>+
>+#define I915_NUM_PLLS 9
>
> struct intel_dpll_hw_state {
> 	/* i9xx, pch plls */
>--
>2.21.0
>
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