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 48D691A00F0; Fri, 21 Nov 2025 13:46:10 +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=1763732771; cv=none; b=tcV41S8yFlzjKdGR7uOQkxrh0Ng52dMYlFnLL1jpVbqFPOXSt8mFJQA121o50l2OM8lAasQ3MJHFajymOznj8gio8Qq2f13TnK9PBzgjmYWVwXGWao2+6jGf3bBQAF4Pa+J4Mrpg229GS3rRqTyXN/jnZ6UERL5O8kdIwrbWtbw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763732771; c=relaxed/simple; bh=8NcDsVwfotTJGAxFdf6tTwPy/KhFbv06HCfCTeSOKds=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=WRRo6WP5RIWDB9aFMrwZ2OtDsS9O/QMf3o57eyE2koYwQk9DiZWNxeCJQUEFJA/UBW2uGGK3NcDPXHluBr7jNFl3sEPtUvZP8VXBHR4RvxuBkXIZJezQ0sXanuP6vGcQFLETV2WyHhEFrYYDtHYu9HhHf2D8v9eKJ32kyueBSsU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Ly42quwB; 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="Ly42quwB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A41EC4CEF1; Fri, 21 Nov 2025 13:46:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763732770; bh=8NcDsVwfotTJGAxFdf6tTwPy/KhFbv06HCfCTeSOKds=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ly42quwBKwGuJWPhJy/nQiA2/Aj+2LzBCkuxYbZCi61YOxaKFLKIa8NwsLkC33MvW O1pmKb4qeyzXiRpd1JUSQstLFWOS+fpOYmFUR1qyrqHKw/ph8kbNDTU4n/Md6jd1jh 6DJGPMZXBJsKLx52Mcx4Dw7t4vGRkJp1RGT1JF8g= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Timur=20Krist=C3=B3f?= , Rodrigo Siqueira , Alex Deucher , Alex Hung , Sasha Levin Subject: [PATCH 6.6 236/529] drm/amd/display: Disable VRR on DCE 6 Date: Fri, 21 Nov 2025 14:08:55 +0100 Message-ID: <20251121130239.415476045@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130230.985163914@linuxfoundation.org> References: <20251121130230.985163914@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore 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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Timur Kristóf [ Upstream commit 043c87d7d56e135393f8aab927148096e2d17589 ] DCE 6 was not advertised as being able to support VRR, so let's mark it as unsupported for now. The VRR implementation in amdgpu_dm depends on the VUPDATE interrupt which is not registered for DCE 6. Signed-off-by: Timur Kristóf Reviewed-by: Rodrigo Siqueira Reviewed-by: Alex Deucher Reviewed-by: Alex Hung Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 4 +++- drivers/gpu/drm/amd/display/dc/dc_helper.c | 5 +++++ drivers/gpu/drm/amd/display/dc/dm_services.h | 2 ++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 8421e5f0737bf..4ffab762de543 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9243,6 +9243,8 @@ static void get_freesync_config_for_crtc( } else { config.state = VRR_STATE_INACTIVE; } + } else { + config.state = VRR_STATE_UNSUPPORTED; } out: new_crtc_state->freesync_config = config; @@ -10838,7 +10840,7 @@ void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, dm_con_state = to_dm_connector_state(connector->state); - if (!adev->dm.freesync_module) + if (!adev->dm.freesync_module || !dc_supports_vrr(sink->ctx->dce_version)) goto update; /* Some eDP panels only have the refresh rate range info in DisplayID */ diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c index 3907eeff560ce..0713a503f7f6d 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c @@ -744,3 +744,8 @@ char *dce_version_to_string(const int version) return "Unknown"; } } + +bool dc_supports_vrr(const enum dce_version v) +{ + return v >= DCE_VERSION_8_0; +} diff --git a/drivers/gpu/drm/amd/display/dc/dm_services.h b/drivers/gpu/drm/amd/display/dc/dm_services.h index d0eed3b4771e6..f2ab2c42781a4 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_services.h +++ b/drivers/gpu/drm/amd/display/dc/dm_services.h @@ -294,4 +294,6 @@ void dm_dtn_log_end(struct dc_context *ctx, char *dce_version_to_string(const int version); +bool dc_supports_vrr(const enum dce_version v); + #endif /* __DM_SERVICES_H__ */ -- 2.51.0