From: José Roberto de Souza <jose.souza@xxxxxxxxx>
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.souza@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
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)
#define CNL_DPLL_CFGCR1(pll) _MMIO_PLL(pll, _CNL_DPLL0_CFGCR1, _CNL_DPLL1_CFGCR1)
#define _ICL_DPLL0_CFGCR0 0x164000
--
2.21.0
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