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 65A242110E; Tue, 27 May 2025 17:04:55 +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=1748365495; cv=none; b=u8WXsK0L/diiMp/su1M8YJyHhuFyjraSvoBqxB5KRUMLtAcJfHkFCXG8G9FaYM+pNQyYQ2Z4b4yij5CjrNE5FrbTxTCK+CkKwjXtrb90DIwY2q2SEqVtLxPgnvAMa4Q4gBEfgDceRAtqKmhBuGnsuxJPeWMcRPvOwlIG2fQYeLU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748365495; c=relaxed/simple; bh=7IUgqDO5eJy1e2J9fqYdsxr5lWPJsj3DaF4/7GS5v40=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rn4lPpeqHNc+myWtS5AJDlAjqWCVsts6el7+wxSlZD7SeDdShvwjSAcPWsRjaCvanACR2iil4yQYnJFxQC3/frNp/319OAFVlktSuThcSsS/mR72cNIf9pKRzo+neSATrDWJXaI+7mWdSpNDN2iom4wcHCzMibS6KPT5oyPbpIY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tiFH9BrZ; 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="tiFH9BrZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2BDCC4CEE9; Tue, 27 May 2025 17:04:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748365495; bh=7IUgqDO5eJy1e2J9fqYdsxr5lWPJsj3DaF4/7GS5v40=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tiFH9BrZhsjmug5rCifla1j8O2pdN3LbGWd7HHVDNZEXCiAjQ9Ju5OsRUvZeP+caB PMJkwNZX5ciXuYAaC77BIaTDJEBw3AyC2DAI55HeNmwI/HrE/rOZ3fhFbNz0JOKQTe FsSSyaEqm5iogIHftvbhOXD7znHZrh5+Gk3C1/tc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Charlene Liu , Brandon Syu , Alex Hung , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.12 395/626] Revert "drm/amd/display: Exit idle optimizations before attempt to access PHY" Date: Tue, 27 May 2025 18:24:48 +0200 Message-ID: <20250527162501.073310609@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250527162445.028718347@linuxfoundation.org> References: <20250527162445.028718347@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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Brandon Syu [ Upstream commit be704e5ef4bd66dee9bb3f876964327e3a247d31 ] This reverts commit de612738e9771bd66aeb20044486c457c512f684. Reason to revert: screen flashes or gray screen appeared half of the screen after resume from S4/S5. Reviewed-by: Charlene Liu Signed-off-by: Brandon Syu Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index 59457ca24e1dc..ccdc9d4101863 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1888,7 +1888,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) bool can_apply_edp_fast_boot = false; bool can_apply_seamless_boot = false; bool keep_edp_vdd_on = false; - struct dc_bios *dcb = dc->ctx->dc_bios; DC_LOGGER_INIT(); @@ -1965,8 +1964,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) hws->funcs.edp_backlight_control(edp_link_with_sink, false); } /*resume from S3, no vbios posting, no need to power down again*/ - if (dcb && dcb->funcs && !dcb->funcs->is_accelerated_mode(dcb)) - clk_mgr_exit_optimized_pwr_state(dc, dc->clk_mgr); power_down_all_hw_blocks(dc); @@ -1979,8 +1976,6 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context) disable_vga_and_power_gate_all_controllers(dc); if (edp_link_with_sink && !keep_edp_vdd_on) dc->hwss.edp_power_control(edp_link_with_sink, false); - if (dcb && dcb->funcs && !dcb->funcs->is_accelerated_mode(dcb)) - clk_mgr_optimize_pwr_state(dc, dc->clk_mgr); } bios_set_scratch_acc_mode_change(dc->ctx->dc_bios, 1); } -- 2.39.5