On 7/1/2015 9:51 AM, Jindal, Sonika wrote:
On 7/1/2015 10:06 AM, Vandana Kannan wrote:This patch contains changes based on 2 updates to the spec: Port PLL VCO restriction raised up to 6700. Port PLL now needs DCO amp override enable for all VCO frequencies. Signed-off-by: Vandana Kannan <vandana.kannan@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_ddi.c | 7 +++---- drivers/gpu/drm/i915/intel_display.c | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 42c1487..677096d 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1495,8 +1495,8 @@ bxt_ddi_pll_select(struct intel_crtc *intel_crtc, } dco_amp = 15; - dcoampovr_en_h = 0; - if (vco >= 6200000 && vco <= 6480000) { + dcoampovr_en_h = 1;You dont need this variable now..
Agreed, will make the change. - Vandana
+ if (vco >= 6200000 && vco <= 6700000) { prop_coef = 4; int_coef = 9; gain_ctl = 3; @@ -1550,8 +1550,7 @@ bxt_ddi_pll_select(struct intel_crtc *intel_crtc, crtc_state->dpll_hw_state.pll8 = targ_cnt; - if (dcoampovr_en_h) - crtc_state->dpll_hw_state.pll10 = PORT_PLL_DCO_AMP_OVR_EN_H; + crtc_state->dpll_hw_state.pll10 = PORT_PLL_DCO_AMP_OVR_EN_H; crtc_state->dpll_hw_state.pll10 |= PORT_PLL_DCO_AMP(dco_amp); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index eb665d7..e04be45 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -409,7 +409,7 @@ static const intel_limit_t intel_limits_chv = { static const intel_limit_t intel_limits_bxt = { /* FIXME: find real dot limits */ .dot = { .min = 0, .max = INT_MAX }, - .vco = { .min = 4800000, .max = 6480000 }, + .vco = { .min = 4800000, .max = 6700000 }, .n = { .min = 1, .max = 1 }, .m1 = { .min = 2, .max = 2 }, /* FIXME: find real m2 limits */
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