diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-03-15 16:27:47 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-03-16 15:45:40 +0300 |
| commit | 70e10a2b7e989d1e1069f701c4159c20f52a1dac (patch) | |
| tree | 813d8614a139c140ccb0d00702152c8d7506cae8 | |
| parent | 18f23b92187ff75f8381aecd8b89c8feeddcab09 (diff) | |
| download | linux-70e10a2b7e989d1e1069f701c4159c20f52a1dac.tar.xz | |
drm/i915: Determine DRRS frontbuffer_bits ahead of time
Pre-determine the frontbuffer_bits for the each pipe during
intel_drrs_enable(). Will become useful for bigjoiner use cases
soon.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220315132752.11849-5-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_drrs.c | 11 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index d84e82f3eab9..c94eb7d5191d 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1302,6 +1302,7 @@ struct intel_crtc { struct mutex mutex; struct delayed_work work; enum drrs_refresh_rate refresh_rate; + unsigned int frontbuffer_bits; unsigned int busy_frontbuffer_bits; enum transcoder cpu_transcoder; struct intel_link_m_n m_n, m2_n2; diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c index e9d622fe66b3..91aab77c495c 100644 --- a/drivers/gpu/drm/i915/display/intel_drrs.c +++ b/drivers/gpu/drm/i915/display/intel_drrs.c @@ -168,6 +168,13 @@ static void intel_drrs_set_state(struct intel_crtc *crtc, crtc->drrs.refresh_rate = refresh_rate; } +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); + + return INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe); +} + /** * intel_drrs_enable - init drrs struct if supported * @crtc_state: A pointer to the active crtc state. @@ -190,6 +197,7 @@ void intel_drrs_enable(const struct intel_crtc_state *crtc_state) crtc->drrs.cpu_transcoder = crtc_state->cpu_transcoder; crtc->drrs.m_n = crtc_state->dp_m_n; crtc->drrs.m2_n2 = crtc_state->dp_m2_n2; + crtc->drrs.frontbuffer_bits = intel_drrs_frontbuffer_bits(crtc_state); crtc->drrs.busy_frontbuffer_bits = 0; mutex_unlock(&crtc->drrs.mutex); @@ -216,6 +224,7 @@ void intel_drrs_disable(const struct intel_crtc_state *old_crtc_state) intel_drrs_set_state(crtc, DRRS_REFRESH_RATE_HIGH); crtc->drrs.cpu_transcoder = INVALID_TRANSCODER; + crtc->drrs.frontbuffer_bits = 0; crtc->drrs.busy_frontbuffer_bits = 0; mutex_unlock(&crtc->drrs.mutex); @@ -278,7 +287,7 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv, continue; } - frontbuffer_bits = all_frontbuffer_bits & INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe); + frontbuffer_bits = all_frontbuffer_bits & crtc->drrs.frontbuffer_bits; if (invalidate) crtc->drrs.busy_frontbuffer_bits |= frontbuffer_bits; else |