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 43DBC38DD8; Mon, 24 Feb 2025 14:42:06 +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=1740408126; cv=none; b=IzIuBCC1y/n0eyZvMUmuVGZprI4Qj9zvqqMeX3WMUPh7ufq9GA+xujnha77lEGOUUQ9mH6Z/KMnFaiwIHo7f+eakTc6h0Kir5ZfCrEwNFtT9vb+dg5W0OsMqmrcFCWupktDHpv79n338599NYhwEr4WSfJoRou7ROirlP52GRp0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740408126; c=relaxed/simple; bh=7nuh+g4GrFP2F70G4YM+W8SXfpJHTV+0VX/n3b5p2VY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PfdtWd2SZL4BJs6M/kBvM0C6sd+5x3ac+0hQCGae056wY+II+U2sOBNwf0EloNVTABPTI6gUeimmtzll3cx2tRqPMqKePLeDvKtZBr4flQVAhco886hr9jeFd4JEeg3jCIclWbsB2QOv3KB+K7SASlzr5ERlkzAG9gyvm2Dfvyo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zsWmbfbO; 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="zsWmbfbO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6C27C4CED6; Mon, 24 Feb 2025 14:42:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1740408126; bh=7nuh+g4GrFP2F70G4YM+W8SXfpJHTV+0VX/n3b5p2VY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zsWmbfbOYSjXtNrhyaak+oxv2g5VZW4HUYJJC0x7Wc/4jInfda8BYqugnnmn/UciW qstMj5fujncrzFMfZDObBzB0szOKwde79agbLGp4rgUVVZkteNiv5BbXaMAoxtILkH 9jHBS3jqH07ETSNTU6RQq5iwMwAhsqK7ERq6fD5A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmitry Baryshkov , Jessica Zhang , Abhinav Kumar Subject: [PATCH 6.6 108/140] drm/msm/dpu: Disable dither in phys encoder cleanup Date: Mon, 24 Feb 2025 15:35:07 +0100 Message-ID: <20250224142607.257530515@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250224142602.998423469@linuxfoundation.org> References: <20250224142602.998423469@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: Jessica Zhang commit f063ac6b55df03ed25996bdc84d9e1c50147cfa1 upstream. Disable pingpong dither in dpu_encoder_helper_phys_cleanup(). This avoids the issue where an encoder unknowingly uses dither after reserving a pingpong block that was previously bound to an encoder that had enabled dither. Cc: stable@vger.kernel.org Reported-by: Dmitry Baryshkov Closes: https://lore.kernel.org/all/jr7zbj5w7iq4apg3gofuvcwf4r2swzqjk7sshwcdjll4mn6ctt@l2n3qfpujg3q/ Signed-off-by: Jessica Zhang Reviewed-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Fixes: 3c128638a07d ("drm/msm/dpu: add support for dither block in display") Patchwork: https://patchwork.freedesktop.org/patch/636517/ Link: https://lore.kernel.org/r/20250211-dither-disable-v1-1-ac2cb455f6b9@quicinc.com Signed-off-by: Abhinav Kumar Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -2075,6 +2075,9 @@ void dpu_encoder_helper_phys_cleanup(str } } + if (phys_enc->hw_pp && phys_enc->hw_pp->ops.setup_dither) + phys_enc->hw_pp->ops.setup_dither(phys_enc->hw_pp, NULL); + /* reset the merge 3D HW block */ if (phys_enc->hw_pp && phys_enc->hw_pp->merge_3d) { phys_enc->hw_pp->merge_3d->ops.setup_3d_mode(phys_enc->hw_pp->merge_3d,