We need to track this correctly. While at it shovel the boolean
to track whether the sdvo is in tv mode or not into pipe_config.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36997
Tested-by: Pierre Assal <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36997
Tested-by: cancan,feng <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 8 +++-----
 drivers/gpu/drm/i915/intel_drv.h     | 5 ++++-
 drivers/gpu/drm/i915/intel_sdvo.c    | 8 ++------
 3 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 44bcfae..ef0d27b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4546,7 +4546,7 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
        if (INTEL_INFO(dev)->gen >= 4)
                dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
 
-       if (is_sdvo && intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_TVOUT))
+       if (crtc->config.sdvo_tv_clock)
                dpll |= PLL_REF_INPUT_TVCLKINBC;
        else if (intel_pipe_has_type(&crtc->base, INTEL_OUTPUT_LVDS) &&
                 intel_panel_use_ssc(dev_priv) && num_connectors < 2)
@@ -5590,7 +5590,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc 
*intel_crtc,
        struct intel_encoder *intel_encoder;
        uint32_t dpll;
        int factor, num_connectors = 0;
-       bool is_lvds = false, is_sdvo = false, is_tv = false;
+       bool is_lvds = false, is_sdvo = false;
 
        for_each_encoder_on_crtc(dev, crtc, intel_encoder) {
                switch (intel_encoder->type) {
@@ -5600,8 +5600,6 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc 
*intel_crtc,
                case INTEL_OUTPUT_SDVO:
                case INTEL_OUTPUT_HDMI:
                        is_sdvo = true;
-                       if (intel_encoder->needs_tv_clock)
-                               is_tv = true;
                        break;
                }
 
@@ -5615,7 +5613,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc 
*intel_crtc,
                     dev_priv->lvds_ssc_freq == 100) ||
                    (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev)))
                        factor = 25;
-       } else if (is_sdvo && is_tv)
+       } else if (intel_crtc->config.sdvo_tv_clock)
                factor = 20;
 
        if (ironlake_needs_fb_cb_tune(&intel_crtc->config.dpll, factor))
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 766afcf..be196ff 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -120,7 +120,6 @@ struct intel_encoder {
        struct intel_crtc *new_crtc;
 
        int type;
-       bool needs_tv_clock;
        /*
         * Intel hw has only one MUX where encoders could be clone, hence a
         * simple flag is enough to compute the possible_clones mask.
@@ -223,6 +222,10 @@ struct intel_crtc_config {
        /* Controls for the clock computation, to override various stages. */
        bool clock_set;
 
+       /* SDVO TV has a bunch of special case. To make multifunction encoders
+        * work correctly, we need to track this at runtime.*/
+       bool sdvo_tv_clock;
+
        /*
         * crtc bandwidth limit, don't increase pipe bpp or clock if not really
         * required. This is set in the 2nd loop of calling encoder's
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c 
b/drivers/gpu/drm/i915/intel_sdvo.c
index f6bf9fc..3a1d710 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1092,6 +1092,7 @@ static bool intel_sdvo_compute_config(struct 
intel_encoder *encoder,
                (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
                                                           mode,
                                                           adjusted_mode);
+               pipe_config->sdvo_tv_clock = true;
        } else if (intel_sdvo->is_lvds) {
                if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
                                                             
intel_sdvo->sdvo_lvds_fixed_mode))
@@ -1655,12 +1656,9 @@ intel_sdvo_detect(struct drm_connector *connector, bool 
force)
        if (ret == connector_status_connected) {
                intel_sdvo->is_tv = false;
                intel_sdvo->is_lvds = false;
-               intel_sdvo->base.needs_tv_clock = false;
 
-               if (response & SDVO_TV_MASK) {
+               if (response & SDVO_TV_MASK)
                        intel_sdvo->is_tv = true;
-                       intel_sdvo->base.needs_tv_clock = true;
-               }
                if (response & SDVO_LVDS_MASK)
                        intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode 
!= NULL;
        }
@@ -2357,7 +2355,6 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int 
type)
        intel_sdvo_connector->output_flag = type;
 
        intel_sdvo->is_tv = true;
-       intel_sdvo->base.needs_tv_clock = true;
 
        intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
 
@@ -2445,7 +2442,6 @@ static bool
 intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
 {
        intel_sdvo->is_tv = false;
-       intel_sdvo->base.needs_tv_clock = false;
        intel_sdvo->is_lvds = false;
 
        /* SDVO requires XXX1 function may not exist unless it has XXX0 
function.*/
-- 
1.7.11.7

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