From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH 04/30] drm/i915: Drop the eDP paths from the pre-Ironlake crtc_mode_set. Date: Tue, 12 Apr 2011 21:31:32 +0100 Message-ID: <1302640318-23165-5-git-send-email-chris@chris-wilson.co.uk> References: <1302640318-23165-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B2339E9A9 for ; Tue, 12 Apr 2011 13:32:24 -0700 (PDT) In-Reply-To: <1302640318-23165-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org From: Eric Anholt While g4x had DP, eDP came with Ironlake, so we don't need that code here. Signed-off-by: Eric Anholt Reviewed-by: Jesse Barnes Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/intel_display.c | 57 ++++++++++++++------------------- 1 files changed, 24 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 494bdd5..2d0f6f6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4530,7 +4530,6 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, u32 dpll, fp = 0, fp2 = 0, dspcntr, pipeconf; bool ok, has_reduced_clock = false, is_sdvo = false, is_dvo = false; bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false; - struct intel_encoder *has_edp_encoder = NULL; struct drm_mode_config *mode_config = &dev->mode_config; struct intel_encoder *encoder; const intel_limit_t *limit; @@ -4564,9 +4563,6 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, case INTEL_OUTPUT_DISPLAYPORT: is_dp = true; break; - case INTEL_OUTPUT_EDP: - has_edp_encoder = encoder; - break; } num_connectors++; @@ -4747,14 +4743,11 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, fp_reg = FP0(pipe); dpll_reg = DPLL(pipe); - /* PCH eDP needs FDI, but CPU eDP does not */ - if (!has_edp_encoder) { - I915_WRITE(fp_reg, fp); - I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); + I915_WRITE(fp_reg, fp); + I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); - POSTING_READ(dpll_reg); - udelay(150); - } + POSTING_READ(dpll_reg); + udelay(150); /* The LVDS pin pair needs to be on before the DPLLs are enabled. * This is an exception to the general rule that mode_set doesn't turn @@ -4814,31 +4807,29 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, intel_dp_set_m_n(crtc, mode, adjusted_mode); } - if (!has_edp_encoder) { - I915_WRITE(dpll_reg, dpll); + I915_WRITE(dpll_reg, dpll); - /* Wait for the clocks to stabilize. */ - POSTING_READ(dpll_reg); - udelay(150); + /* Wait for the clocks to stabilize. */ + POSTING_READ(dpll_reg); + udelay(150); - if (INTEL_INFO(dev)->gen >= 4) { - temp = 0; - if (is_sdvo) { - temp = intel_mode_get_pixel_multiplier(adjusted_mode); - if (temp > 1) - temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; - else - temp = 0; - } - I915_WRITE(DPLL_MD(pipe), temp); - } else { - /* The pixel multiplier can only be updated once the - * DPLL is enabled and the clocks are stable. - * - * So write it again. - */ - I915_WRITE(dpll_reg, dpll); + if (INTEL_INFO(dev)->gen >= 4) { + temp = 0; + if (is_sdvo) { + temp = intel_mode_get_pixel_multiplier(adjusted_mode); + if (temp > 1) + temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; + else + temp = 0; } + I915_WRITE(DPLL_MD(pipe), temp); + } else { + /* The pixel multiplier can only be updated once the + * DPLL is enabled and the clocks are stable. + * + * So write it again. + */ + I915_WRITE(dpll_reg, dpll); } intel_crtc->lowfreq_avail = false; -- 1.7.4.1