Add port C to workaround to cover Tiger Lake. Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20190708231629.9296-22-lucas.demarchi@xxxxxxxxx --- drivers/gpu/drm/i915/display/intel_display_power.c | 11 ++++++++--- drivers/gpu/drm/i915/i915_reg.h | 4 +++- 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 659c0954eaf7..b526eb6ea2ae 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -453,6 +453,7 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, int pw_idx = power_well->desc->hsw.idx; enum port port = ICL_AUX_PW_TO_PORT(pw_idx); u32 val; + int wa_idx_max; val = I915_READ(regs->driver); I915_WRITE(regs->driver, val | HSW_PWR_WELL_CTL_REQ(pw_idx)); @@ -462,9 +463,13 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv, hsw_wait_for_power_well_enable(dev_priv, power_well); - /* Display WA #1178: icl */ - if (IS_ICELAKE(dev_priv) && - pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B && + /* Display WA #1178: icl, tgl */ + if (IS_TIGERLAKE(dev_priv)) + wa_idx_max = ICL_PW_CTL_IDX_AUX_C; + else + wa_idx_max = ICL_PW_CTL_IDX_AUX_B; + + if (pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= wa_idx_max && !intel_bios_is_port_edp(dev_priv, port)) { val = I915_READ(ICL_AUX_ANAOVRD1(pw_idx)); val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5ca74eca05a4..d07e92678c41 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9244,9 +9244,11 @@ enum skl_power_gate { #define _ICL_AUX_REG_IDX(pw_idx) ((pw_idx) - ICL_PW_CTL_IDX_AUX_A) #define _ICL_AUX_ANAOVRD1_A 0x162398 #define _ICL_AUX_ANAOVRD1_B 0x6C398 +#define _TGL_AUX_ANAOVRD1_C 0x160398 #define ICL_AUX_ANAOVRD1(pw_idx) _MMIO(_PICK(_ICL_AUX_REG_IDX(pw_idx), \ _ICL_AUX_ANAOVRD1_A, \ - _ICL_AUX_ANAOVRD1_B)) + _ICL_AUX_ANAOVRD1_B, \ + _TGL_AUX_ANAOVRD1_C)) #define ICL_AUX_ANAOVRD1_LDO_BYPASS (1 << 7) #define ICL_AUX_ANAOVRD1_ENABLE (1 << 0) -- 2.21.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
