On Mon, Jul 08, 2019 at 04:16:29PM -0700, Lucas De Marchi wrote:
> From: José Roberto de Souza <jose.so...@intel.com>
>
> This register definition changed from ICL and has now another meaning.
> Use the right bits on TGL.
>
> Signed-off-by: José Roberto de Souza <jose.so...@intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 8 ++++++--
> drivers/gpu/drm/i915/i915_reg.h | 1 +
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> index 330b42a1f54e..9793039485e5 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> @@ -2597,8 +2597,12 @@ static bool icl_calc_dpll_state(struct
> intel_crtc_state *crtc_state,
> cfgcr1 = DPLL_CFGCR1_QDIV_RATIO(pll_params.qdiv_ratio) |
> DPLL_CFGCR1_QDIV_MODE(pll_params.qdiv_mode) |
> DPLL_CFGCR1_KDIV(pll_params.kdiv) |
> - DPLL_CFGCR1_PDIV(pll_params.pdiv) |
> - DPLL_CFGCR1_CENTRAL_FREQ_8400;
> + DPLL_CFGCR1_PDIV(pll_params.pdiv);
> +
> + if (INTEL_GEN(dev_priv) >= 12)
> + cfgcr1 |= TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL;
> + else
> + cfgcr1 |= DPLL_CFGCR1_CENTRAL_FREQ_8400;
>
> memset(pll_state, 0, sizeof(*pll_state));
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 84c04ea67ec8..a244e8158aee 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -9947,6 +9947,7 @@ enum skl_power_gate {
> #define DPLL_CFGCR1_PDIV_7 (8 << 2)
> #define DPLL_CFGCR1_CENTRAL_FREQ (3 << 0)
> #define DPLL_CFGCR1_CENTRAL_FREQ_8400 (3 << 0)
> +#define TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL (0 << 0)
I'd probably leave this out entirely if we're not going to define the
other values of thess bits.
Either way
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> #define CNL_DPLL_CFGCR1(pll) _MMIO_PLL(pll, _CNL_DPLL0_CFGCR1,
> _CNL_DPLL1_CFGCR1)
>
> #define _ICL_DPLL0_CFGCR0 0x164000
> --
> 2.21.0
--
Ville Syrjälä
Intel
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