drm/i915/fbc: Disable on HSW by default for now

[cascardo/linux.git] / drivers / gpu / drm / i915 / intel_crt.c

diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 0364292..9465de4 100644 (file)
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -120,22 +120,16 @@ static unsigned int intel_crt_get_flags(struct intel_encoder *encoder)
 static void intel_crt_get_config(struct intel_encoder *encoder,
                                 struct intel_crtc_state *pipe_config)
 {
-       struct drm_device *dev = encoder->base.dev;
-       int dotclock;
-
        pipe_config->base.adjusted_mode.flags |= intel_crt_get_flags(encoder);
 
-       dotclock = pipe_config->port_clock;
-
-       if (HAS_PCH_SPLIT(dev))
-               ironlake_check_encoder_dotclock(pipe_config, dotclock);
-
-       pipe_config->base.adjusted_mode.crtc_clock = dotclock;
+       pipe_config->base.adjusted_mode.crtc_clock = pipe_config->port_clock;
 }
 
 static void hsw_crt_get_config(struct intel_encoder *encoder,
                               struct intel_crtc_state *pipe_config)
 {
+       struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+
        intel_ddi_get_config(encoder, pipe_config);
 
        pipe_config->base.adjusted_mode.flags &= ~(DRM_MODE_FLAG_PHSYNC |
@@ -143,6 +137,8 @@ static void hsw_crt_get_config(struct intel_encoder *encoder,
                                              DRM_MODE_FLAG_PVSYNC |
                                              DRM_MODE_FLAG_NVSYNC);
        pipe_config->base.adjusted_mode.flags |= intel_crt_get_flags(encoder);
+
+       pipe_config->base.adjusted_mode.crtc_clock = lpt_get_iclkip(dev_priv);
 }
 
 /* Note: The caller is required to filter out dpms modes not supported by the
@@ -222,18 +218,26 @@ intel_crt_mode_valid(struct drm_connector *connector,
 {
        struct drm_device *dev = connector->dev;
        int max_dotclk = to_i915(dev)->max_dotclk_freq;
+       int max_clock;
 
-       int max_clock = 0;
        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
                return MODE_NO_DBLESCAN;
 
        if (mode->clock < 25000)
                return MODE_CLOCK_LOW;
 
-       if (IS_GEN2(dev))
-               max_clock = 350000;
-       else
+       if (HAS_PCH_LPT(dev))
+               max_clock = 180000;
+       else if (IS_VALLEYVIEW(dev))
+               /*
+                * 270 MHz due to current DPLL limits,
+                * DAC limit supposedly 355 MHz.
+                */
+               max_clock = 270000;
+       else if (IS_GEN3(dev) || IS_GEN4(dev))
                max_clock = 400000;
+       else
+               max_clock = 350000;
        if (mode->clock > max_clock)
                return MODE_CLOCK_HIGH;
 
@@ -267,15 +271,9 @@ static bool intel_crt_compute_config(struct intel_encoder *encoder,
        }
 
        /* FDI must always be 2.7 GHz */
-       if (HAS_DDI(dev)) {
-               pipe_config->ddi_pll_sel = PORT_CLK_SEL_SPLL;
+       if (HAS_DDI(dev))
                pipe_config->port_clock = 135000 * 2;
 
-               pipe_config->dpll_hw_state.wrpll = 0;
-               pipe_config->dpll_hw_state.spll =
-                       SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SSC;
-       }
-
        return true;
 }
 
@@ -658,6 +656,8 @@ intel_crt_detect(struct drm_connector *connector, bool force)
                else if (INTEL_INFO(dev)->gen < 4)
                        status = intel_crt_load_detect(crt,
                                to_intel_crtc(connector->state->crtc)->pipe);
+               else if (i915.load_detect_test)
+                       status = connector_status_disconnected;
                else
                        status = connector_status_unknown;
                intel_release_load_detect_pipe(connector, &tmp, &ctx);
@@ -753,7 +753,6 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
 static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = {
        .mode_valid = intel_crt_mode_valid,
        .get_modes = intel_crt_get_modes,
-       .best_encoder = intel_best_encoder,
 };
 
 static const struct drm_encoder_funcs intel_crt_enc_funcs = {
@@ -839,7 +838,7 @@ void intel_crt_init(struct drm_device *dev)
                           &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
 
        drm_encoder_init(dev, &crt->base.base, &intel_crt_enc_funcs,
-                        DRM_MODE_ENCODER_DAC, NULL);
+                        DRM_MODE_ENCODER_DAC, "CRT");
 
        intel_connector_attach_encoder(intel_connector, &crt->base);