diff options
| author |   Lucas De Marchi <lucas.demarchi@intel.com> | 2019-07-11 10:31:14 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2019-07-11 16:31:26 -0700 |
| commit | 36ca5335f202bd54faf38b37fed1b99078e1839e (patch) | |
| tree | 1d72efd7baa091b989b752dcbc174afa3325b7d5 | |
| parent | drm/i915/tgl: Add vbt value mapping for DDC Bus pin (diff) | |
| download | linux-dev-36ca5335f202bd54faf38b37fed1b99078e1839e.tar.xz linux-dev-36ca5335f202bd54faf38b37fed1b99078e1839e.zip | |
drm/i915/tgl: Add DPLL registers
On TGL the port programming for combophy is very similar to ICL, so
adapt the callers to possibly use the different register values.
v2 (Lucas): Add TODO with about DPLL4 (requested by Ville)
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-21-lucas.demarchi@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 17 |
2 files changed, 36 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 9f96d29c5060..267e6d7df706 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -3119,8 +3119,13 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv, if (!(val & PLL_ENABLE)) goto out; - hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id)); - hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id)); + if (INTEL_GEN(dev_priv) >= 12) { + hw_state->cfgcr0 = I915_READ(TGL_DPLL_CFGCR0(id)); + hw_state->cfgcr1 = I915_READ(TGL_DPLL_CFGCR1(id)); + } else { + hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id)); + hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id)); + } ret = true; out: @@ -3154,10 +3159,19 @@ static void icl_dpll_write(struct drm_i915_private *dev_priv, { struct intel_dpll_hw_state *hw_state = &pll->state.hw_state; const enum intel_dpll_id id = pll->info->id; + i915_reg_t cfgcr0_reg, cfgcr1_reg; + + if (INTEL_GEN(dev_priv) >= 12) { + cfgcr0_reg = TGL_DPLL_CFGCR0(id); + cfgcr1_reg = TGL_DPLL_CFGCR1(id); + } else { + cfgcr0_reg = ICL_DPLL_CFGCR0(id); + cfgcr1_reg = ICL_DPLL_CFGCR1(id); + } - I915_WRITE(ICL_DPLL_CFGCR0(id), hw_state->cfgcr0); - I915_WRITE(ICL_DPLL_CFGCR1(id), hw_state->cfgcr1); - POSTING_READ(ICL_DPLL_CFGCR1(id)); + I915_WRITE(cfgcr0_reg, hw_state->cfgcr0); + I915_WRITE(cfgcr1_reg, hw_state->cfgcr1); + POSTING_READ(cfgcr1_reg); } static void icl_mg_pll_write(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 62ac8a119602..c8277862bbbe 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -242,6 +242,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) #define _MMIO_PIPE3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c)) #define _MMIO_PORT3(pipe, a, b, c) _MMIO(_PICK(pipe, a, b, c)) #define _MMIO_PHY3(phy, a, b, c) _MMIO(_PHY3(phy, a, b, c)) +#define _MMIO_PLL3(pll, a, b, c) _MMIO(_PICK(pll, a, b, c)) /* * Device info offset array based helpers for groups of registers with unevenly @@ -9955,6 +9956,22 @@ enum skl_power_gate { #define ICL_DPLL_CFGCR1(pll) _MMIO_PLL(pll, _ICL_DPLL0_CFGCR1, \ _ICL_DPLL1_CFGCR1) +#define _TGL_DPLL0_CFGCR0 0x164284 +#define _TGL_DPLL1_CFGCR0 0x16428C +/* TODO: add DPLL4 */ +#define _TGL_TBTPLL_CFGCR0 0x16429C +#define TGL_DPLL_CFGCR0(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR0, \ + _TGL_DPLL1_CFGCR0, \ + _TGL_TBTPLL_CFGCR0) + +#define _TGL_DPLL0_CFGCR1 0x164288 +#define _TGL_DPLL1_CFGCR1 0x164290 +/* TODO: add DPLL4 */ +#define _TGL_TBTPLL_CFGCR1 0x1642A0 +#define TGL_DPLL_CFGCR1(pll) _MMIO_PLL3(pll, _TGL_DPLL0_CFGCR1, \ + _TGL_DPLL1_CFGCR1, \ + _TGL_TBTPLL_CFGCR1) + /* BXT display engine PLL */ #define BXT_DE_PLL_CTL _MMIO(0x6d000) #define BXT_DE_PLL_RATIO(x) (x) /* {60,65,100} * 19.2MHz */ |