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 E65A03110DA; Mon, 5 May 2025 22:30:00 +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=1746484201; cv=none; b=RUBIY5Md3RIPV3asicXKzJwaypI7GBEKVz2JVzYhmMXKZpD9MfQlZQcXmxZACY91eiJ9XvRTjrATUMkX7BrYmFsxliswVQGhJi54xYf16WrklhSFB1HJ2jbUH44hqOxxvHRXglodlN1SYWA69cWoq+3mfjmg7RwpyAZkHXGbK2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484201; c=relaxed/simple; bh=HDw5Dov/vu4G4Ec6Kgc7wxmHMRik64vUAjo8+lEw0oc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=q/sKUkIiJxXjlpJ8zE0gSwbELHKbVIQRx158LKdpQV69t3mhvl7DzV6g+KDdeXqQ4VljwjSGIc7WJ3gpV12QuUtvneQqMMglzPqz/yDVnXyeDG7O+uy9fzVCe6873UW0AL0RN/VqKktnod9QqsBXPLJX80vNiVe6STlJkesmum0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QG61DDGj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QG61DDGj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26E27C4CEEE; Mon, 5 May 2025 22:29:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484200; bh=HDw5Dov/vu4G4Ec6Kgc7wxmHMRik64vUAjo8+lEw0oc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QG61DDGjX709zHVNZQxKYEPwvjQiVQC1JOflwzl2NOPxpkvk9lVsLiE3FlhJ3HW64 32kRZCQcsd8nvRL4LWljC0DYxUXw9f2dh7qyNwUsqpa/jRP+WRvsJR4kcptgTkMwNX Yqy3I+GZnu68VvIqq0JHb/D4aS1APyibUN/4vMBY0WsipOBbk72vJHMdfmpES2eDn7 FWMP3CJERCHRHHSZ5N3TttYXOhwQZ0myhk1NUvIbTXoP1rzjfsIwBKY1HNwd7r1OKj k0bMaVP3pDeRMIGi1F8FfvGBVwxPIzaQdU4Fr0ZmHVWHO9SRw2pZHWzJr+mjheg6zW aHYbx5nE2bcPw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Harry Wentland , Alex Hung , Roman Li , Daniel Wheeler , Alex Deucher , Sasha Levin , sunpeng.li@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch, mario.limonciello@amd.com, chiahsuan.chung@amd.com, sunil.khatri@amd.com, aurabindo.pillai@amd.com, Yilin.Chen@amd.com, mwen@igalia.com, Wayne.Lin@amd.com, Roman.Li@amd.com, hamzamahfooz@linux.microsoft.com, lumag@kernel.org, Jerry.Zuo@amd.com, siqueira@igalia.com, agustin.gutierrez@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.14 389/642] drm/amd/display: Don't treat wb connector as physical in create_validate_stream_for_sink Date: Mon, 5 May 2025 18:10:05 -0400 Message-Id: <20250505221419.2672473-389-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit From: Harry Wentland [ Upstream commit cbf4890c6f28fb1ad733e14613fbd33c2004bced ] Don't try to operate on a drm_wb_connector as an amdgpu_dm_connector. While dereferencing aconnector->base will "work" it's wrong and might lead to unknown bad things. Just... don't. Reviewed-by: Alex Hung Signed-off-by: Harry Wentland Signed-off-by: Roman Li Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 26 ++++++++++++------- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 2 +- .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 6 ++--- 3 files changed, 20 insertions(+), 14 deletions(-) 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 79c01541a0190..d51dbac3235ca 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7505,12 +7505,12 @@ static enum dc_status dm_validate_stream_and_context(struct dc *dc, } struct dc_stream_state * -create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, +create_validate_stream_for_sink(struct drm_connector *connector, const struct drm_display_mode *drm_mode, const struct dm_connector_state *dm_state, const struct dc_stream_state *old_stream) { - struct drm_connector *connector = &aconnector->base; + struct amdgpu_dm_connector *aconnector = NULL; struct amdgpu_device *adev = drm_to_adev(connector->dev); struct dc_stream_state *stream; const struct drm_connector_state *drm_state = dm_state ? &dm_state->base : NULL; @@ -7521,8 +7521,12 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, if (!dm_state) return NULL; - if (aconnector->dc_link->connector_signal == SIGNAL_TYPE_HDMI_TYPE_A || - aconnector->dc_link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER) + if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) + aconnector = to_amdgpu_dm_connector(connector); + + if (aconnector && + (aconnector->dc_link->connector_signal == SIGNAL_TYPE_HDMI_TYPE_A || + aconnector->dc_link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER)) bpc_limit = 8; do { @@ -7534,10 +7538,11 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, break; } - if (aconnector->base.connector_type == DRM_MODE_CONNECTOR_WRITEBACK) + dc_result = dc_validate_stream(adev->dm.dc, stream); + + if (!aconnector) /* writeback connector */ return stream; - dc_result = dc_validate_stream(adev->dm.dc, stream); if (dc_result == DC_OK && stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) dc_result = dm_dp_mst_is_port_support_mode(aconnector, stream); @@ -7567,7 +7572,7 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, __func__, __LINE__); aconnector->force_yuv420_output = true; - stream = create_validate_stream_for_sink(aconnector, drm_mode, + stream = create_validate_stream_for_sink(connector, drm_mode, dm_state, old_stream); aconnector->force_yuv420_output = false; } @@ -7582,6 +7587,9 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec struct dc_sink *dc_sink; /* TODO: Unhardcode stream count */ struct dc_stream_state *stream; + /* we always have an amdgpu_dm_connector here since we got + * here via the amdgpu_dm_connector_helper_funcs + */ struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); if ((mode->flags & DRM_MODE_FLAG_INTERLACE) || @@ -7606,7 +7614,7 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec drm_mode_set_crtcinfo(mode, 0); - stream = create_validate_stream_for_sink(aconnector, mode, + stream = create_validate_stream_for_sink(connector, mode, to_dm_connector_state(connector->state), NULL); if (stream) { @@ -10658,7 +10666,7 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm, if (!drm_atomic_crtc_needs_modeset(new_crtc_state)) goto skip_modeset; - new_stream = create_validate_stream_for_sink(aconnector, + new_stream = create_validate_stream_for_sink(connector, &new_crtc_state->mode, dm_new_conn_state, dm_old_crtc_state->stream); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index d2703ca7dff31..195fec9048df7 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -989,7 +989,7 @@ int amdgpu_dm_process_dmub_set_config_sync(struct dc_context *ctx, unsigned int struct set_config_cmd_payload *payload, enum set_config_status *operation_result); struct dc_stream_state * - create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector, + create_validate_stream_for_sink(struct drm_connector *connector, const struct drm_display_mode *drm_mode, const struct dm_connector_state *dm_state, const struct dc_stream_state *old_stream); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 07e744da7bf41..056b171989565 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -1625,7 +1625,6 @@ int pre_validate_dsc(struct drm_atomic_state *state, if (ind >= 0) { struct drm_connector *connector; - struct amdgpu_dm_connector *aconnector; struct drm_connector_state *drm_new_conn_state; struct dm_connector_state *dm_new_conn_state; struct dm_crtc_state *dm_old_crtc_state; @@ -1633,15 +1632,14 @@ int pre_validate_dsc(struct drm_atomic_state *state, connector = amdgpu_dm_find_first_crtc_matching_connector(state, state->crtcs[ind].ptr); - aconnector = to_amdgpu_dm_connector(connector); drm_new_conn_state = drm_atomic_get_new_connector_state(state, - &aconnector->base); + connector); dm_new_conn_state = to_dm_connector_state(drm_new_conn_state); dm_old_crtc_state = to_dm_crtc_state(state->crtcs[ind].old_state); local_dc_state->streams[i] = - create_validate_stream_for_sink(aconnector, + create_validate_stream_for_sink(connector, &state->crtcs[ind].new_state->mode, dm_new_conn_state, dm_old_crtc_state->stream); -- 2.39.5