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 0089A1FB24 for ; Tue, 1 Aug 2023 09:31:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F297C433C8; Tue, 1 Aug 2023 09:31:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690882275; bh=MZnXpx9dRTQM+9OT+78YOBTpervD520XISPh+SST6mU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0BY5/Yj0a+2SLB7Dazymd7/Rw+YV5Yyq0M3fLL4Y93VnUX5MMcF5c+y9JFluHAEiq RHgheYPKpGFkIsSmCuQdlqMisWVDP5TI3ksPhV4tfQhDGxBov7C3X+QRdOeyJM99Q9 FyM9w3dVUGekhYmve/f3JaBsddjFDxfeJSykDV9w= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sean Wang , Marc Rossi , Hamza Mahfooz , "Tsung-hua (Ryan) Lin" , Mario Limonciello , Leo Li , Alex Deucher , Sasha Levin Subject: [PATCH 6.1 047/228] drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix Date: Tue, 1 Aug 2023 11:18:25 +0200 Message-ID: <20230801091924.601102786@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230801091922.799813980@linuxfoundation.org> References: <20230801091922.799813980@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Mario Limonciello [ Upstream commit cd2e31a9ab93d13c412a36c6e26811e0f830985b ] The same parade TCON issue can potentially happen on Phoenix, and the same PSR resilience changes have been ported into the DMUB firmware. Don't allow running PSR-SU unless on the newer firmware. Cc: stable@vger.kernel.org Cc: Sean Wang Cc: Marc Rossi Cc: Hamza Mahfooz Cc: Tsung-hua (Ryan) Lin Signed-off-by: Mario Limonciello Reviewed-by: Leo Li Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c | 5 +++++ drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h | 2 ++ drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 1 + 3 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c index 48a06dbd9be78..f161aeb7e7c4a 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c @@ -60,3 +60,8 @@ const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs = { { DMUB_DCN31_FIELDS() }, #undef DMUB_SF }; + +bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub) +{ + return dmub->fw_version >= DMUB_FW_VERSION(8, 0, 16); +} diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h index 674267a2940e9..f213bd82c9110 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h @@ -30,4 +30,6 @@ extern const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs; +bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub); + #endif /* _DMUB_DCN314_H_ */ diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c index 0f43a05a41874..0dab22d794808 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c @@ -229,6 +229,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic) case DMUB_ASIC_DCN316: if (asic == DMUB_ASIC_DCN314) { dmub->regs_dcn31 = &dmub_srv_dcn314_regs; + funcs->is_psrsu_supported = dmub_dcn314_is_psrsu_supported; } else if (asic == DMUB_ASIC_DCN315) { dmub->regs_dcn31 = &dmub_srv_dcn315_regs; } else if (asic == DMUB_ASIC_DCN316) { -- 2.39.2