[PATCH v2 1/2] drm/amd/display: Hook up 'content type' property for HDMI
Harry Wentland
harry.wentland at amd.com
Fri Sep 15 19:52:39 UTC 2023
On 2023-09-12 13:19, Alex Deucher wrote:
> On Tue, Sep 12, 2023 at 12:02 PM Melissa Wen <mwen at igalia.com> wrote:
>>
>> From: Joshua Ashton <joshua at froggi.es>
>>
>> Implements the 'content type' property for HDMI connectors.
>> Verified by checking the avi infoframe on a connected TV.
>>
>> This also simplifies a lot of the code in that area as well, there were
>> a lot of temp variables doing very little and unnecessary logic
>> that was quite confusing.
>>
>> It is not necessary to check for support in the EDID before sending a
>> 'content type' value in the avi infoframe also.
>>
>> v2:
>> - rebase to amd-staging-drm-next
>> - mark CRTC state for reset if content_type differs
>>
>> Reviewed-by: Harry Wentland <harry.wentland at amd.com> (v1)
>> Signed-off-by: Joshua Ashton <joshua at froggi.es>
>> Co-developed-by: Melissa Wen <mwen at igalia.com>
>> Signed-off-by: Melissa Wen <mwen at igalia.com>
>> ---
>> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 32 +++++++++
>> .../gpu/drm/amd/display/dc/core/dc_resource.c | 69 ++++++-------------
>> drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 +
>> 3 files changed, 54 insertions(+), 48 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 5efebc06296b..811e2223f643 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> @@ -5461,6 +5461,24 @@ get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing,
>> return color_space;
>> }
>>
>> +static enum display_content_type
>> +get_output_content_type(const struct drm_connector_state *connector_state)
>> +{
>> + switch (connector_state->content_type) {
>> + default:
>> + case DRM_MODE_CONTENT_TYPE_NO_DATA:
>> + return DISPLAY_CONTENT_TYPE_NO_DATA;
>> + case DRM_MODE_CONTENT_TYPE_GRAPHICS:
>> + return DISPLAY_CONTENT_TYPE_GRAPHICS;
>> + case DRM_MODE_CONTENT_TYPE_PHOTO:
>> + return DISPLAY_CONTENT_TYPE_PHOTO;
>> + case DRM_MODE_CONTENT_TYPE_CINEMA:
>> + return DISPLAY_CONTENT_TYPE_CINEMA;
>> + case DRM_MODE_CONTENT_TYPE_GAME:
>> + return DISPLAY_CONTENT_TYPE_GAME;
>> + }
>> +}
>> +
>> static bool adjust_colour_depth_from_display_info(
>> struct dc_crtc_timing *timing_out,
>> const struct drm_display_info *info)
>> @@ -5595,6 +5613,7 @@ static void fill_stream_properties_from_drm_display_mode(
>> }
>>
>> stream->output_color_space = get_output_color_space(timing_out, connector_state);
>> + stream->content_type = get_output_content_type(connector_state);
>> }
>>
>> static void fill_audio_info(struct audio_info *audio_info,
>> @@ -6795,6 +6814,14 @@ amdgpu_dm_connector_atomic_check(struct drm_connector *conn,
>> new_crtc_state->mode_changed = true;
>> }
>>
>> + if (new_con_state->content_type != old_con_state->content_type) {
>> + new_crtc_state = drm_atomic_get_crtc_state(state, crtc);
>> + if (IS_ERR(new_crtc_state))
>> + return PTR_ERR(new_crtc_state);
>> +
>> + new_crtc_state->mode_changed = true;
>> + }
>> +
>> if (!drm_connector_atomic_hdr_metadata_equal(old_con_state, new_con_state)) {
>> struct dc_info_packet hdr_infopacket;
>>
>> @@ -7430,6 +7457,11 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
>> adev->mode_info.abm_level_property, 0);
>> }
>>
>> + if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
>> + /* Content Type is currently only implemented for HDMI. */
>> + drm_connector_attach_content_type_property(&aconnector->base);
>> + }
>> +
>
> This could just be squashed into the clause below. Either way, looks
> fine to me. The series is:
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
>
Series is merged.
Harry
> Alex
>
>
>> if (connector_type == DRM_MODE_CONNECTOR_HDMIA) {
>> if (!drm_mode_create_hdmi_colorspace_property(&aconnector->base, supported_colorspaces))
>> drm_connector_attach_colorspace_property(&aconnector->base);
>> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
>> index 494efbede0b2..5810cf78cf29 100644
>> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
>> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
>> @@ -3928,14 +3928,9 @@ static void set_avi_info_frame(
>> uint32_t pixel_encoding = 0;
>> enum scanning_type scan_type = SCANNING_TYPE_NODATA;
>> enum dc_aspect_ratio aspect = ASPECT_RATIO_NO_DATA;
>> - bool itc = false;
>> - uint8_t itc_value = 0;
>> - uint8_t cn0_cn1 = 0;
>> - unsigned int cn0_cn1_value = 0;
>> uint8_t *check_sum = NULL;
>> uint8_t byte_index = 0;
>> union hdmi_info_packet hdmi_info;
>> - union display_content_support support = {0};
>> unsigned int vic = pipe_ctx->stream->timing.vic;
>> unsigned int rid = pipe_ctx->stream->timing.rid;
>> unsigned int fr_ind = pipe_ctx->stream->timing.fr_index;
>> @@ -4045,49 +4040,27 @@ static void set_avi_info_frame(
>> /* Active Format Aspect ratio - same as Picture Aspect Ratio. */
>> hdmi_info.bits.R0_R3 = ACTIVE_FORMAT_ASPECT_RATIO_SAME_AS_PICTURE;
>>
>> - /* TODO: un-hardcode cn0_cn1 and itc */
>> -
>> - cn0_cn1 = 0;
>> - cn0_cn1_value = 0;
>> -
>> - itc = true;
>> - itc_value = 1;
>> -
>> - support = stream->content_support;
>> -
>> - if (itc) {
>> - if (!support.bits.valid_content_type) {
>> - cn0_cn1_value = 0;
>> - } else {
>> - if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GRAPHICS) {
>> - if (support.bits.graphics_content == 1) {
>> - cn0_cn1_value = 0;
>> - }
>> - } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_PHOTO) {
>> - if (support.bits.photo_content == 1) {
>> - cn0_cn1_value = 1;
>> - } else {
>> - cn0_cn1_value = 0;
>> - itc_value = 0;
>> - }
>> - } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_CINEMA) {
>> - if (support.bits.cinema_content == 1) {
>> - cn0_cn1_value = 2;
>> - } else {
>> - cn0_cn1_value = 0;
>> - itc_value = 0;
>> - }
>> - } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GAME) {
>> - if (support.bits.game_content == 1) {
>> - cn0_cn1_value = 3;
>> - } else {
>> - cn0_cn1_value = 0;
>> - itc_value = 0;
>> - }
>> - }
>> - }
>> - hdmi_info.bits.CN0_CN1 = cn0_cn1_value;
>> - hdmi_info.bits.ITC = itc_value;
>> + switch (stream->content_type) {
>> + case DISPLAY_CONTENT_TYPE_NO_DATA:
>> + hdmi_info.bits.CN0_CN1 = 0;
>> + hdmi_info.bits.ITC = 0;
>> + break;
>> + case DISPLAY_CONTENT_TYPE_GRAPHICS:
>> + hdmi_info.bits.CN0_CN1 = 0;
>> + hdmi_info.bits.ITC = 1;
>> + break;
>> + case DISPLAY_CONTENT_TYPE_PHOTO:
>> + hdmi_info.bits.CN0_CN1 = 1;
>> + hdmi_info.bits.ITC = 1;
>> + break;
>> + case DISPLAY_CONTENT_TYPE_CINEMA:
>> + hdmi_info.bits.CN0_CN1 = 2;
>> + hdmi_info.bits.ITC = 1;
>> + break;
>> + case DISPLAY_CONTENT_TYPE_GAME:
>> + hdmi_info.bits.CN0_CN1 = 3;
>> + hdmi_info.bits.ITC = 1;
>> + break;
>> }
>>
>> if (stream->qs_bit == 1) {
>> diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
>> index d5b3e3a32cc6..d4224de13138 100644
>> --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
>> +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
>> @@ -212,6 +212,7 @@ struct dc_stream_state {
>> struct dc_csc_transform csc_color_matrix;
>>
>> enum dc_color_space output_color_space;
>> + enum display_content_type content_type;
>> enum dc_dither_option dither_option;
>>
>> enum view_3d_format view_format;
>> --
>> 2.40.1
>>
More information about the amd-gfx
mailing list