From: Imre Deak Date: Wed, 15 Oct 2025 12:54:46 +0000 (+0300) Subject: drm/i915/display: Add missing clock to C10 PHY state compute/HW readout X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=682505a0fce602b1634cf0a2ea76d017b60b4c81;p=thirdparty%2Fkernel%2Flinux.git drm/i915/display: Add missing clock to C10 PHY state compute/HW readout Clock value is missing from C10 hw readout stage. Let's fix this. Reviewed-by: Luca Coelho Signed-off-by: Imre Deak Signed-off-by: Mika Kahola Link: https://lore.kernel.org/r/20251015125446.3931198-8-mika.kahola@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index f8c1338f90539..a74c1be225acd 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2103,6 +2103,9 @@ static int intel_c10pll_calc_state(struct intel_crtc_state *crtc_state, return 0; } +static int intel_c10pll_calc_port_clock(struct intel_encoder *encoder, + const struct intel_c10pll_state *pll_state); + static void intel_c10pll_readout_hw_state(struct intel_encoder *encoder, struct intel_c10pll_state *pll_state) { @@ -2127,6 +2130,8 @@ static void intel_c10pll_readout_hw_state(struct intel_encoder *encoder, pll_state->tx = intel_cx0_read(encoder, lane, PHY_C10_VDR_TX(0)); intel_cx0_phy_transaction_end(encoder, wakeref); + + pll_state->clock = intel_c10pll_calc_port_clock(encoder, pll_state); } static void intel_c10_pll_program(struct intel_display *display, diff --git a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c index 7fe6b4a182133..a201edceee105 100644 --- a/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c +++ b/drivers/gpu/drm/i915/display/intel_snps_hdmi_pll.c @@ -332,6 +332,8 @@ void intel_snps_hdmi_pll_compute_c10pll(struct intel_c10pll_state *pll_state, u6 c10_curve_1, c10_curve_2, prescaler_divider, &pll_params); + pll_state->clock = pixel_clock; + pll_state->tx = 0x10; pll_state->cmn = 0x1; pll_state->pll[0] = REG_FIELD_PREP(C10_PLL0_DIV5CLK_EN, pll_params.mpll_div5_en) |