From b75ca6f62e57923e9c2870bf8d795c410ebb9534 Mon Sep 17 00:00:00 2001 From: Ander Conselvan de Oliveira Date: Mon, 21 Mar 2016 18:00:11 +0200 Subject: [PATCH] drm/i915: Move fp divisor calculation into ironlake_compute_dpll() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Follow what is done in i8xx_compute_dpll() and i9xx_compute_dpll() and move the lower level details of setting crtc_state->dpll_hw_state into the _compute_dpll() function. Reviewed-by: Ville Syrjälä Signed-off-by: Ander Conselvan de Oliveira Link: http://patchwork.freedesktop.org/patch/msgid/1458576016-30348-11-git-send-email-ander.conselvan.de.oliveira@intel.com --- drivers/gpu/drm/i915/intel_display.c | 45 ++++++++++++++-------------- 1 file changed, 22 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c803006eb718..9741ee7783b9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8693,10 +8693,9 @@ static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) return i9xx_dpll_compute_m(dpll) < factor * dpll->n; } -static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, - struct intel_crtc_state *crtc_state, - u32 *fp, - intel_clock_t *reduced_clock, u32 *fp2) +static void ironlake_compute_dpll(struct intel_crtc *intel_crtc, + struct intel_crtc_state *crtc_state, + intel_clock_t *reduced_clock) { struct drm_crtc *crtc = &intel_crtc->base; struct drm_device *dev = crtc->dev; @@ -8705,7 +8704,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, struct drm_connector *connector; struct drm_connector_state *connector_state; struct intel_encoder *encoder; - uint32_t dpll; + u32 dpll, fp, fp2; int factor, i; bool is_lvds = false, is_sdvo = false; @@ -8738,11 +8737,19 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, } else if (crtc_state->sdvo_tv_clock) factor = 20; + fp = i9xx_dpll_compute_fp(&crtc_state->dpll); + if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) - *fp |= FP_CB_TUNE; + fp |= FP_CB_TUNE; + + if (reduced_clock) { + fp2 = i9xx_dpll_compute_fp(reduced_clock); - if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) - *fp2 |= FP_CB_TUNE; + if (reduced_clock->m < factor * reduced_clock->n) + fp2 |= FP_CB_TUNE; + } else { + fp2 = fp; + } dpll = 0; @@ -8784,14 +8791,17 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, else dpll |= PLL_REF_INPUT_DREFCLK; - return dpll | DPLL_VCO_ENABLE; + dpll |= DPLL_VCO_ENABLE; + + crtc_state->dpll_hw_state.dpll = dpll; + crtc_state->dpll_hw_state.fp0 = fp; + crtc_state->dpll_hw_state.fp1 = fp2; } static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state) { intel_clock_t reduced_clock; - u32 dpll = 0, fp = 0, fp2 = 0; bool has_reduced_clock = false; struct intel_shared_dpll *pll; @@ -8813,19 +8823,8 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, return -EINVAL; } - fp = i9xx_dpll_compute_fp(&crtc_state->dpll); - if (has_reduced_clock) - fp2 = i9xx_dpll_compute_fp(&reduced_clock); - else - fp2 = fp; - - dpll = ironlake_compute_dpll(crtc, crtc_state, - &fp, &reduced_clock, - has_reduced_clock ? &fp2 : NULL); - - crtc_state->dpll_hw_state.dpll = dpll; - crtc_state->dpll_hw_state.fp0 = fp; - crtc_state->dpll_hw_state.fp1 = fp2; + ironlake_compute_dpll(crtc, crtc_state, + has_reduced_clock ? &reduced_clock : NULL); pll = intel_get_shared_dpll(crtc, crtc_state, NULL); if (pll == NULL) { -- 2.30.2