diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/skl_watermark.c | 11 |
2 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index b8bb2e395bb7..e819db78dfbd 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -1447,13 +1447,19 @@ static int intel_bw_check_sagv_mask(struct intel_atomic_state *state) { struct intel_display *display = to_intel_display(state); struct drm_i915_private *i915 = to_i915(display->drm); + const struct intel_crtc_state *old_crtc_state; const struct intel_crtc_state *new_crtc_state; const struct intel_bw_state *old_bw_state = NULL; struct intel_bw_state *new_bw_state = NULL; struct intel_crtc *crtc; int ret, i; - for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { + for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, + new_crtc_state, i) { + if (intel_crtc_can_enable_sagv(old_crtc_state) == + intel_crtc_can_enable_sagv(new_crtc_state)) + continue; + new_bw_state = intel_atomic_get_bw_state(state); if (IS_ERR(new_bw_state)) return PTR_ERR(new_bw_state); diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index baf345039deb..8b51f0b42785 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -434,6 +434,14 @@ bool intel_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state) if (!i915->display.params.enable_sagv) return false; + /* + * SAGV is initially forced off because its current + * state can't be queried from pcode. Allow SAGV to + * be enabled upon the first real commit. + */ + if (crtc_state->inherited) + return false; + if (DISPLAY_VER(i915) >= 12) return tgl_crtc_can_enable_sagv(crtc_state); else @@ -458,8 +466,7 @@ static int intel_compute_sagv_mask(struct intel_atomic_state *state) struct intel_crtc_state *new_crtc_state; int i; - for_each_new_intel_crtc_in_state(state, crtc, - new_crtc_state, i) { + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { struct skl_pipe_wm *pipe_wm = &new_crtc_state->wm.skl.optimal; /* |