From 1dc6076c67a0341acc168858e833c9cebd734a4d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 6 Mar 2025 18:34:08 +0200 Subject: [PATCH] drm/i915: clean up pipe's ddb usage in intel_crtc_disable_noatomic() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Update the ddb tracking information when we disable a pipe during sanitization. Avoids leaving stale junk in the states. Currently this doesn't do anything as we haven't read out this state yet when we do the sanitization, but that will change soon. Reviewed-by: Vinod Govindapillai Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20250306163420.3961-7-ville.syrjala@linux.intel.com --- drivers/gpu/drm/i915/display/skl_watermark.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index 4930e52322d31..9584d4da13d0e 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -3848,6 +3848,8 @@ static void skl_wm_get_hw_state_and_sanitize(struct drm_i915_private *i915) void skl_wm_crtc_disable_noatomic(struct intel_crtc *crtc) { struct intel_display *display = to_intel_display(crtc); + struct intel_crtc_state *crtc_state = + to_intel_crtc_state(crtc->base.state); struct intel_dbuf_state *dbuf_state = to_intel_dbuf_state(display->dbuf.obj.state); enum pipe pipe = crtc->pipe; @@ -3856,6 +3858,13 @@ void skl_wm_crtc_disable_noatomic(struct intel_crtc *crtc) return; dbuf_state->active_pipes &= ~BIT(pipe); + + dbuf_state->weight[pipe] = 0; + dbuf_state->slices[pipe] = 0; + + memset(&dbuf_state->ddb[pipe], 0, sizeof(dbuf_state->ddb[pipe])); + + memset(&crtc_state->wm.skl.ddb, 0, sizeof(crtc_state->wm.skl.ddb)); } void intel_wm_state_verify(struct intel_atomic_state *state, -- 2.39.5