diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 67 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 1 |
2 files changed, 66 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e9d01e5d6ccb..12a92edbdd1a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4976,6 +4976,36 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, return ret; } +static void i9xx_get_pfit_config(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t tmp; + + tmp = I915_READ(PFIT_CONTROL); + + if (INTEL_INFO(dev)->gen < 4) { + if (crtc->pipe != PIPE_B) + return; + + /* gen2/3 store dither state in pfit control, needs to match */ + pipe_config->gmch_pfit.control = tmp & PANEL_8TO6_DITHER_ENABLE; + } else { + if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) + return; + } + + if (!(tmp & PFIT_ENABLE)) + return; + + pipe_config->gmch_pfit.control = I915_READ(PFIT_CONTROL); + pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); + if (INTEL_INFO(dev)->gen < 5) + pipe_config->gmch_pfit.lvds_border_bits = + I915_READ(LVDS) & LVDS_BORDER_ENABLE; +} + static bool i9xx_get_pipe_config(struct intel_crtc *crtc, struct intel_crtc_config *pipe_config) { @@ -4989,6 +5019,8 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc, intel_get_pipe_timings(crtc, pipe_config); + i9xx_get_pfit_config(crtc, pipe_config); + return true; } @@ -5820,6 +5852,21 @@ static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; } +static void ironlake_get_pfit_config(struct intel_crtc *crtc, + struct intel_crtc_config *pipe_config) +{ + struct drm_device *dev = crtc->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + uint32_t tmp; + + tmp = I915_READ(PF_CTL(crtc->pipe)); + + if (tmp & PF_ENABLE) { + pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); + pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); + } +} + static bool ironlake_get_pipe_config(struct intel_crtc *crtc, struct intel_crtc_config *pipe_config) { @@ -5843,6 +5890,8 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc, intel_get_pipe_timings(crtc, pipe_config); + ironlake_get_pfit_config(crtc, pipe_config); + return true; } @@ -5962,6 +6011,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; enum transcoder cpu_transcoder = crtc->config.cpu_transcoder; + enum intel_display_power_domain pfit_domain; uint32_t tmp; if (!intel_display_power_enabled(dev, @@ -5991,6 +6041,10 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, intel_get_pipe_timings(crtc, pipe_config); + pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); + if (intel_display_power_enabled(dev, pfit_domain)) + ironlake_get_pfit_config(crtc, pipe_config); + return true; } @@ -7956,7 +8010,8 @@ intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) if (mask & (1 <<(intel_crtc)->pipe)) static bool -intel_pipe_config_compare(struct intel_crtc_config *current_config, +intel_pipe_config_compare(struct drm_device *dev, + struct intel_crtc_config *current_config, struct intel_crtc_config *pipe_config) { #define PIPE_CONF_CHECK_I(name) \ @@ -8005,6 +8060,14 @@ intel_pipe_config_compare(struct intel_crtc_config *current_config, PIPE_CONF_CHECK_I(requested_mode.hdisplay); PIPE_CONF_CHECK_I(requested_mode.vdisplay); + PIPE_CONF_CHECK_I(gmch_pfit.control); + /* pfit ratios are autocomputed by the hw on gen4+ */ + if (INTEL_INFO(dev)->gen < 4) + PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); + PIPE_CONF_CHECK_I(gmch_pfit.lvds_border_bits); + PIPE_CONF_CHECK_I(pch_pfit.pos); + PIPE_CONF_CHECK_I(pch_pfit.size); + #undef PIPE_CONF_CHECK_I #undef PIPE_CONF_CHECK_FLAGS @@ -8116,7 +8179,7 @@ intel_modeset_check_state(struct drm_device *dev) "(expected %i, found %i)\n", crtc->active, active); WARN(active && - !intel_pipe_config_compare(&crtc->config, &pipe_config), + !intel_pipe_config_compare(dev, &crtc->config, &pipe_config), "pipe state doesn't match!\n"); } } diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index e34e290c29eb..36fe291172ee 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -116,6 +116,7 @@ static void intel_pre_pll_enable_lvds(struct intel_encoder *encoder) } /* set the corresponsding LVDS_BORDER bit */ + temp &= ~LVDS_BORDER_ENABLE; temp |= intel_crtc->config.gmch_pfit.lvds_border_bits; /* Set the B0-B3 data pairs corresponding to whether we're going to * set the DPLLs for dual-channel mode or not. |