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drm/i915: Fix broken transcoder err state

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Skip the transcoder whose pipe is disabled while
initializing transcoder error state in 3 non-contiguous
display pipe system.

v2:
- Don't skip EDP_TRANSCODER error state. [Ville]
- Use a helper has_transcoder(). [Ville]
v3:
- Removed DSI transcoder case from has_transcoder(),
  and few other cosmetic changes. [Ville]

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200224124004.26712-4-anshuman.gupta@intel.com
This commit is contained in:
Anshuman Gupta 2020-02-24 18:10:00 +05:30 committed by Ville Syrjälä
parent aca9310a0c
commit d54c1a513c
1 changed files with 10 additions and 1 deletions
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11
drivers/gpu/drm/i915/display/intel_display.c
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@ -249,6 +249,15 @@ intel_fdi_link_freq(struct drm_i915_private *dev_priv,
return dev_priv->fdi_pll_freq;
}
static bool
has_transcoder(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder)
{
if (cpu_transcoder == TRANSCODER_EDP)
return HAS_TRANSCODER_EDP(dev_priv);
else
return INTEL_INFO(dev_priv)->pipe_mask & BIT(cpu_transcoder);
}
static const struct intel_limit intel_limits_i8xx_dac = {
.dot = { .min = 25000, .max = 350000 },
.vco = { .min = 908000, .max = 1512000 },
@ -18930,7 +18939,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv)
for (i = 0; i < ARRAY_SIZE(error->transcoder); i++) {
enum transcoder cpu_transcoder = transcoders[i];
if (!INTEL_INFO(dev_priv)->trans_offsets[cpu_transcoder])
if (!has_transcoder(dev_priv, cpu_transcoder))
continue;
error->transcoder[i].available = true;