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drm/i915: Deal with bigjoiner vs. DRRS

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DRRS operates on transcoder level, so we should only poke at it from
the master crtc rather than letting every joined pipe give it
potentially conflicting input.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315132752.11849-9-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
This commit is contained in:
Ville Syrjälä 2022-03-15 15:27:51 +02:00
parent 1b333c679a
commit 579899c7da
1 changed files with 15 additions and 1 deletions
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16
drivers/gpu/drm/i915/display/intel_drrs.c
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@ -176,8 +176,16 @@ static void intel_drrs_schedule_work(struct intel_crtc *crtc)
static unsigned int intel_drrs_frontbuffer_bits(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *i915 = to_i915(crtc->base.dev);
unsigned int frontbuffer_bits;
return INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);
frontbuffer_bits = INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);
for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc,
crtc_state->bigjoiner_pipes)
frontbuffer_bits |= INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);
return frontbuffer_bits;
}
/**
@ -196,6 +204,9 @@ void intel_drrs_enable(const struct intel_crtc_state *crtc_state)
if (!crtc_state->hw.active)
return;
if (intel_crtc_is_bigjoiner_slave(crtc_state))
return;
mutex_lock(&crtc->drrs.mutex);
crtc->drrs.cpu_transcoder = crtc_state->cpu_transcoder;
@ -223,6 +234,9 @@ void intel_drrs_disable(const struct intel_crtc_state *old_crtc_state)
if (!old_crtc_state->hw.active)
return;
if (intel_crtc_is_bigjoiner_slave(old_crtc_state))
return;
mutex_lock(&crtc->drrs.mutex);
if (intel_drrs_is_enabled(crtc))