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 400C579DC; Sat, 30 Dec 2023 12:10:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="sVD1lttf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BEE24C433C7; Sat, 30 Dec 2023 12:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1703938254; bh=2voai+wTGMDdfQZNJ+vS5HmdObP0Mq9vXuAE8Ovh1Bo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sVD1lttfYVTVyIErlBpNjEICw50036Bdyc+u7HULdiXknKc6imgBvO392DO3IMLHy ea8+MsiTS6x737yVOASc7qy4nYtLfVQBZ6XDD7/Wxn7h1pemAPxe2PzxVcNXFj4AjE Syljq/fWetJkUJ9XZvK//bJYzJsqM/zSzqcrlSE0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Stanislav Lisovskiy , Jani Nikula Subject: [PATCH 6.1 086/112] drm/i915: Reject async flips with bigjoiner Date: Sat, 30 Dec 2023 11:59:59 +0000 Message-ID: <20231230115809.550116533@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231230115806.714618407@linuxfoundation.org> References: <20231230115806.714618407@linuxfoundation.org> User-Agent: quilt/0.67 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ville Syrjälä commit 88a173e5dd05e788068e8fa20a8c37c44bd8f416 upstream. Currently async flips are busted when bigjoiner is in use. As a short term fix simply reject async flips in that case. Cc: stable@vger.kernel.org Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9769 Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20231211081134.2698-1-ville.syrjala@linux.intel.com Reviewed-by: Stanislav Lisovskiy (cherry picked from commit e93bffc2ac0a833b42841f31fff955549d38ce98) Signed-off-by: Jani Nikula Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/display/intel_display.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -6481,6 +6481,17 @@ static int intel_async_flip_check_uapi(s return -EINVAL; } + /* + * FIXME: Bigjoiner+async flip is busted currently. + * Remove this check once the issues are fixed. + */ + if (new_crtc_state->bigjoiner_pipes) { + drm_dbg_kms(&i915->drm, + "[CRTC:%d:%s] async flip disallowed with bigjoiner\n", + crtc->base.base.id, crtc->base.name); + return -EINVAL; + } + for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { if (plane->pipe != crtc->pipe)