From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93BE5264FB0; Tue, 8 Apr 2025 11:51:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744113118; cv=none; b=M2FzMB3qYAxmSYcSkk1tINDnAagJlyJVpdCrnfkSsL68TvW+rkKYY7JvvpOIjySTR9HnSAgBxqy7NDIQxsOJdudIxFNcMSCV3bSxx1QEcgstcn9f/JYwh54dLtfrSQk9iEirdg+3o9ccrQCAQZ0stlA/qpn/o/ZuXbF1GJuwyKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744113118; c=relaxed/simple; bh=Rx4moDJLxLb5QybH9J9eFaDtpyUMka+TuMm/rk8ywcc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gw4fyJNgMAz+OKqcE/xs8pNxKSRU8Se26Slxxj1EPoIJZX/ldGtOu5Gt9FbV72s1vSOejJ8ncLTC11n5Rndmji/KdW0PBmBvWqdSVqCKmCT7s5Srb79er3xwjwz6z3XSh8rp3n7G8ESSo66yRrleybQMuI2QpI+HPooygoC4Das= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=l4znpxtZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="l4znpxtZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C00C7C4CEE5; Tue, 8 Apr 2025 11:51:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744113118; bh=Rx4moDJLxLb5QybH9J9eFaDtpyUMka+TuMm/rk8ywcc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l4znpxtZd6n7bunMh1Qa5jS7JHMgOjViJgHKcV284jbqwtZvWLDKeO2HM9Uw2Ft2D p2d/x/1h7l1KqRIdXOgHfaJDMwhGNd1ujtR45LljpJwSt5EnBMvBHtgwOTjMzSZKEw FQDvxmZhe9iT8ytmCCGcMXqm6YlVWqTH83FScR0M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Simona Vetter , Abhinav Kumar , Dmitry Baryshkov , Sasha Levin Subject: [PATCH 6.6 041/268] drm/msm/dpu: dont use active in atomic_check() Date: Tue, 8 Apr 2025 12:47:32 +0200 Message-ID: <20250408104829.613190193@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104828.499967190@linuxfoundation.org> References: <20250408104828.499967190@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ Upstream commit 25b4614843bcc56ba150f7c99905125a019e656c ] The driver isn't supposed to consult crtc_state->active/active_check for resource allocation. Instead all resources should be allocated if crtc_state->enabled is set. Stop consulting active / active_changed in order to determine whether the hardware resources should be (re)allocated. Fixes: ccc862b957c6 ("drm/msm/dpu: Fix reservation failures in modeset") Reported-by: Simona Vetter Closes: https://lore.kernel.org/dri-devel/ZtW_S0j5AEr4g0QW@phenom.ffwll.local/ Reviewed-by: Simona Vetter Reviewed-by: Abhinav Kumar Signed-off-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/633393/ Link: https://lore.kernel.org/r/20250123-drm-dirty-modeset-v2-1-bbfd3a6cd1a4@linaro.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 4 ---- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +-- 2 files changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index ad57368dc13f0..2df1e6293062d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1210,10 +1210,6 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, DRM_DEBUG_ATOMIC("%s: check\n", dpu_crtc->name); - /* force a full mode set if active state changed */ - if (crtc_state->active_changed) - crtc_state->mode_changed = true; - if (cstate->num_mixers) { rc = _dpu_crtc_check_and_setup_lm_bounds(crtc, crtc_state); if (rc) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 35cf9080168b1..99cccde5d2216 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -669,12 +669,11 @@ static int dpu_encoder_virt_atomic_check( /* * Release and Allocate resources on every modeset - * Dont allocate when active is false. */ if (drm_atomic_crtc_needs_modeset(crtc_state)) { dpu_rm_release(global_state, drm_enc); - if (!crtc_state->active_changed || crtc_state->enable) + if (crtc_state->enable) ret = dpu_rm_reserve(&dpu_kms->rm, global_state, drm_enc, crtc_state, topology); } -- 2.39.5