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| author |   Paulo Zanoni <paulo.r.zanoni@intel.com> | 2018-05-21 17:25:48 -0700 |
|---|---|---|
| committer | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2018-06-14 14:54:39 -0700 |
| commit | 1fa11ee2d9d0ccd58a6b56a9e490e336c99e98bf (patch) | |
| tree | b733f213d2b9bd106bade944beed00c286e92827 /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | drm/i915/icl: unconditionally init DDI for every port (diff) | |
| download | linux-dev-1fa11ee2d9d0ccd58a6b56a9e490e336c99e98bf.tar.xz linux-dev-1fa11ee2d9d0ccd58a6b56a9e490e336c99e98bf.zip | |
drm/i915/icl: start adding the TBT pll
This commit just adds the register addresses and the basic skeleton of
the code. The next commits will expand on more specific functions.
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-15-paulo.r.zanoni@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 936ff5a0b522..ce153b11c765 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1062,6 +1062,8 @@ static uint32_t hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll) static uint32_t icl_pll_to_ddi_pll_sel(struct intel_encoder *encoder, const struct intel_shared_dpll *pll) { + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); + int clock = crtc->config->port_clock; const enum intel_dpll_id id = pll->info->id; switch (id) { @@ -1070,6 +1072,20 @@ static uint32_t icl_pll_to_ddi_pll_sel(struct intel_encoder *encoder, case DPLL_ID_ICL_DPLL0: case DPLL_ID_ICL_DPLL1: return DDI_CLK_SEL_NONE; + case DPLL_ID_ICL_TBTPLL: + switch (clock) { + case 162000: + return DDI_CLK_SEL_TBT_162; + case 270000: + return DDI_CLK_SEL_TBT_270; + case 540000: + return DDI_CLK_SEL_TBT_540; + case 810000: + return DDI_CLK_SEL_TBT_810; + default: + MISSING_CASE(clock); + break; + } case DPLL_ID_ICL_MGPLL1: case DPLL_ID_ICL_MGPLL2: case DPLL_ID_ICL_MGPLL3: |