diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dpll_mgr.c | 4 |
4 files changed, 34 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 4f8c429f31b3..665dfc177528 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9466,24 +9466,28 @@ enum skl_power_gate { /* SPLL */ #define SPLL_CTL _MMIO(0x46020) #define SPLL_PLL_ENABLE (1 << 31) -#define SPLL_PLL_SSC (1 << 28) -#define SPLL_PLL_NON_SSC (2 << 28) -#define SPLL_PLL_LCPLL (3 << 28) -#define SPLL_PLL_REF_MASK (3 << 28) -#define SPLL_PLL_FREQ_810MHz (0 << 26) -#define SPLL_PLL_FREQ_1350MHz (1 << 26) -#define SPLL_PLL_FREQ_2700MHz (2 << 26) -#define SPLL_PLL_FREQ_MASK (3 << 26) +#define SPLL_REF_BCLK (0 << 28) +#define SPLL_REF_MUXED_SSC (1 << 28) /* CPU SSC if fused enabled, PCH SSC otherwise */ +#define SPLL_REF_NON_SSC_HSW (2 << 28) +#define SPLL_REF_PCH_SSC_BDW (2 << 28) +#define SPLL_REF_LCPLL (3 << 28) +#define SPLL_REF_MASK (3 << 28) +#define SPLL_FREQ_810MHz (0 << 26) +#define SPLL_FREQ_1350MHz (1 << 26) +#define SPLL_FREQ_2700MHz (2 << 26) +#define SPLL_FREQ_MASK (3 << 26) /* WRPLL */ #define _WRPLL_CTL1 0x46040 #define _WRPLL_CTL2 0x46060 #define WRPLL_CTL(pll) _MMIO_PIPE(pll, _WRPLL_CTL1, _WRPLL_CTL2) #define WRPLL_PLL_ENABLE (1 << 31) -#define WRPLL_PLL_SSC (1 << 28) -#define WRPLL_PLL_NON_SSC (2 << 28) -#define WRPLL_PLL_LCPLL (3 << 28) -#define WRPLL_PLL_REF_MASK (3 << 28) +#define WRPLL_REF_BCLK (0 << 28) +#define WRPLL_REF_PCH_SSC (1 << 28) +#define WRPLL_REF_MUXED_SSC_BDW (2 << 28) /* CPU SSC if fused enabled, PCH SSC otherwise */ +#define WRPLL_REF_SPECIAL_HSW (2 << 28) /* muxed SSC (ULT), non-SSC (non-ULT) */ +#define WRPLL_REF_LCPLL (3 << 28) +#define WRPLL_REF_MASK (3 << 28) /* WRPLL divider programming */ #define WRPLL_DIVIDER_REFERENCE(x) ((x) << 0) #define WRPLL_DIVIDER_REF_MASK (0xff) @@ -9549,6 +9553,10 @@ enum skl_power_gate { #define LCPLL_CTL _MMIO(0x130040) #define LCPLL_PLL_DISABLE (1 << 31) #define LCPLL_PLL_LOCK (1 << 30) +#define LCPLL_REF_NON_SSC (0 << 28) +#define LCPLL_REF_BCLK (2 << 28) +#define LCPLL_REF_PCH_SSC (3 << 28) +#define LCPLL_REF_MASK (3 << 28) #define LCPLL_CLK_FREQ_MASK (3 << 26) #define LCPLL_CLK_FREQ_450 (0 << 26) #define LCPLL_CLK_FREQ_54O_BDW (1 << 26) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 609ccd240efb..1a9978f84c9a 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1231,9 +1231,9 @@ static int hsw_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv, u32 wrpll; wrpll = I915_READ(reg); - switch (wrpll & WRPLL_PLL_REF_MASK) { - case WRPLL_PLL_SSC: - case WRPLL_PLL_NON_SSC: + switch (wrpll & WRPLL_REF_MASK) { + case WRPLL_REF_SPECIAL_HSW: + case WRPLL_REF_PCH_SSC: /* * We could calculate spread here, but our checking * code only cares about 5% accuracy, and spread is a max of @@ -1241,7 +1241,7 @@ static int hsw_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv, */ refclk = 135; break; - case WRPLL_PLL_LCPLL: + case WRPLL_REF_LCPLL: refclk = LC_FREQ; break; default: @@ -1613,12 +1613,12 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder, link_clock = hsw_ddi_calc_wrpll_link(dev_priv, WRPLL_CTL(1)); break; case PORT_CLK_SEL_SPLL: - pll = I915_READ(SPLL_CTL) & SPLL_PLL_FREQ_MASK; - if (pll == SPLL_PLL_FREQ_810MHz) + pll = I915_READ(SPLL_CTL) & SPLL_FREQ_MASK; + if (pll == SPLL_FREQ_810MHz) link_clock = 81000; - else if (pll == SPLL_PLL_FREQ_1350MHz) + else if (pll == SPLL_FREQ_1350MHz) link_clock = 135000; - else if (pll == SPLL_PLL_FREQ_2700MHz) + else if (pll == SPLL_FREQ_2700MHz) link_clock = 270000; else { WARN(1, "bad spll freq\n"); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 352c42826cb1..1b1ddb48ca7a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9134,12 +9134,12 @@ static bool spll_uses_pch_ssc(struct drm_i915_private *dev_priv) if ((ctl & SPLL_PLL_ENABLE) == 0) return false; - if ((ctl & SPLL_PLL_REF_MASK) == SPLL_PLL_SSC && + if ((ctl & SPLL_REF_MASK) == SPLL_REF_MUXED_SSC && (fuse_strap & HSW_CPU_SSC_ENABLE) == 0) return true; if (IS_BROADWELL(dev_priv) && - (ctl & SPLL_PLL_REF_MASK) == SPLL_PLL_NON_SSC) + (ctl & SPLL_REF_MASK) == SPLL_REF_PCH_SSC_BDW) return true; return false; @@ -9154,11 +9154,11 @@ static bool wrpll_uses_pch_ssc(struct drm_i915_private *dev_priv, if ((ctl & WRPLL_PLL_ENABLE) == 0) return false; - if ((ctl & WRPLL_PLL_REF_MASK) == WRPLL_PLL_SSC) + if ((ctl & WRPLL_REF_MASK) == WRPLL_REF_PCH_SSC) return true; if ((IS_BROADWELL(dev_priv) || IS_HSW_ULT(dev_priv)) && - (ctl & WRPLL_PLL_REF_MASK) == WRPLL_PLL_NON_SSC && + (ctl & WRPLL_REF_MASK) == WRPLL_REF_MUXED_SSC_BDW && (fuse_strap & HSW_CPU_SSC_ENABLE) == 0) return true; diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c index 69787f259677..2d4e7b9a7b9d 100644 --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c @@ -775,7 +775,7 @@ static struct intel_shared_dpll *hsw_ddi_hdmi_get_dpll(struct intel_crtc_state * hsw_ddi_calculate_wrpll(crtc_state->port_clock * 1000, &r2, &n2, &p); - val = WRPLL_PLL_ENABLE | WRPLL_PLL_LCPLL | + val = WRPLL_PLL_ENABLE | WRPLL_REF_LCPLL | WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) | WRPLL_DIVIDER_POST(p); @@ -839,7 +839,7 @@ hsw_get_dpll(struct intel_crtc_state *crtc_state, return NULL; crtc_state->dpll_hw_state.spll = - SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SSC; + SPLL_PLL_ENABLE | SPLL_FREQ_1350MHz | SPLL_REF_MUXED_SSC; pll = intel_find_shared_dpll(crtc_state, DPLL_ID_SPLL, DPLL_ID_SPLL); |