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 92EBF71B32; Mon, 15 Apr 2024 14:32:13 +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=1713191533; cv=none; b=sgvSqpQrHtngdAVlRKxfQyIOomI+9S76gOLg50l3XssPHAgiVtR4efSL5up40Rm2qeARec12M4EeHy8XLVb4k94jZIaJqNxS8g8pS9aqjC/eefw4hgzeudSM4I/U/On7XYpii280iUF4UOVj0iuz2ucFu/pOZ27odHFSIERvHfs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713191533; c=relaxed/simple; bh=npMT8cxn1EMAoxqbQVVCK7OrKHPTcD0xwiIJKUmNueU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KOkZhMeorjZv4XojDwjMm9dCAGOFqYFjzKVFdMhy3X7yut4j4shMGewD8bFuzDecB9Y5rLr48WVyZoQb1khFpjadYEe42WCcPt3M9CN75eGwUEf+vN3M32n2cIVhxIEDTtvR7/oDRo2nQ+F0XtKuyx8hmT5z4Q0mCHpVAvFN6tI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HNcAQ7fP; 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="HNcAQ7fP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 166FFC113CC; Mon, 15 Apr 2024 14:32:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1713191533; bh=npMT8cxn1EMAoxqbQVVCK7OrKHPTcD0xwiIJKUmNueU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HNcAQ7fPxKDRafTf/4XBvvLsKID5DLzI0JfSmiiAgKq2+Am3Z+Jvx9Q80N0CLPK1D pv653vET643bUoo2OvuPYxOt9deUXVP3SeHjVe+VQy03E8yyChlXvyvQO5JdFDPopc a9RIrujLxxJUtejUzj9W1KCAwz6bALlZQJ9MfE0w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nicholas Kazlauskas , Hamza Mahfooz , Fudongwang , Alex Deucher Subject: [PATCH 6.8 172/172] drm/amd/display: fix disable otg wa logic in DCN316 Date: Mon, 15 Apr 2024 16:21:11 +0200 Message-ID: <20240415142005.569001212@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240415141959.976094777@linuxfoundation.org> References: <20240415141959.976094777@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-Transfer-Encoding: 8bit 6.8-stable review patch. If anyone has any objections, please let me know. ------------------ From: Fudongwang commit cf79814cb0bf5749b9f0db53ca231aa540c02768 upstream. [Why] Wrong logic cause screen corruption. [How] Port logic from DCN35/314. Cc: stable@vger.kernel.org Reviewed-by: Nicholas Kazlauskas Acked-by: Hamza Mahfooz Signed-off-by: Fudongwang Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c | 19 ++++++---- 1 file changed, 12 insertions(+), 7 deletions(-) --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c @@ -99,20 +99,25 @@ static int dcn316_get_active_display_cnt return display_count; } -static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable) +static void dcn316_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, + bool safe_to_lower, bool disable) { struct dc *dc = clk_mgr_base->ctx->dc; int i; for (i = 0; i < dc->res_pool->pipe_count; ++i) { - struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + struct pipe_ctx *pipe = safe_to_lower + ? &context->res_ctx.pipe_ctx[i] + : &dc->current_state->res_ctx.pipe_ctx[i]; if (pipe->top_pipe || pipe->prev_odm_pipe) continue; - if (pipe->stream && (pipe->stream->dpms_off || pipe->plane_state == NULL || - dc_is_virtual_signal(pipe->stream->signal))) { + if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal) || + !pipe->stream->link_enc)) { if (disable) { - pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg); + if (pipe->stream_res.tg && pipe->stream_res.tg->funcs->immediate_disable_crtc) + pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg); + reset_sync_context_for_pipe(dc, context, i); } else pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); @@ -207,11 +212,11 @@ static void dcn316_update_clocks(struct } if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { - dcn316_disable_otg_wa(clk_mgr_base, context, true); + dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true); clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; dcn316_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); - dcn316_disable_otg_wa(clk_mgr_base, context, false); + dcn316_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false); update_dispclk = true; }