On Wed, 08 Jan 2020, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Move the force_dvi check to a single function that can be called from
> both mode validation and compute_config().
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 49 ++++++++++++-----------
> 1 file changed, 26 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 685589064d10..1659cff91426 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -2108,9 +2108,16 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
> return max_tmds_clock;
> }
>
> +static bool intel_has_hdmi_sink(struct intel_hdmi *hdmi,
> + const struct drm_connector_state *conn_state)
> +{
> + return hdmi->has_hdmi_sink &&
> + READ_ONCE(to_intel_digital_connector_state(conn_state)->force_audio) != HDMI_AUDIO_OFF_DVI;
> +}
> +
> static int hdmi_port_clock_limit(struct intel_hdmi *hdmi,
> bool respect_downstream_limits,
> - bool force_dvi)
> + bool has_hdmi_sink)
> {
> struct intel_encoder *encoder = &hdmi_to_dig_port(hdmi)->base;
> int max_tmds_clock = intel_hdmi_source_max_tmds_clock(encoder);
> @@ -2126,7 +2133,7 @@ static int hdmi_port_clock_limit(struct intel_hdmi *hdmi,
> if (info->max_tmds_clock)
> max_tmds_clock = min(max_tmds_clock,
> info->max_tmds_clock);
> - else if (!hdmi->has_hdmi_sink || force_dvi)
> + else if (!has_hdmi_sink)
> max_tmds_clock = min(max_tmds_clock, 165000);
> }
>
> @@ -2136,13 +2143,14 @@ static int hdmi_port_clock_limit(struct intel_hdmi *hdmi,
> static enum drm_mode_status
> hdmi_port_clock_valid(struct intel_hdmi *hdmi,
> int clock, bool respect_downstream_limits,
> - bool force_dvi)
> + bool has_hdmi_sink)
> {
> struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi));
>
> if (clock < 25000)
> return MODE_CLOCK_LOW;
> - if (clock > hdmi_port_clock_limit(hdmi, respect_downstream_limits, force_dvi))
> + if (clock > hdmi_port_clock_limit(hdmi, respect_downstream_limits,
> + has_hdmi_sink))
> return MODE_CLOCK_HIGH;
>
> /* BXT DPLL can't generate 223-240 MHz */
> @@ -2164,16 +2172,13 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
> struct drm_device *dev = intel_hdmi_to_dev(hdmi);
> struct drm_i915_private *dev_priv = to_i915(dev);
> enum drm_mode_status status;
> - int clock;
> + int clock = mode->clock;
> int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
> - bool force_dvi =
> - READ_ONCE(to_intel_digital_connector_state(connector->state)->force_audio) == HDMI_AUDIO_OFF_DVI;
> + bool has_hdmi_sink = intel_has_hdmi_sink(hdmi, connector->state);
>
> if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
> return MODE_NO_DBLESCAN;
>
> - clock = mode->clock;
> -
> if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
> clock *= 2;
>
> @@ -2187,18 +2192,18 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
> clock /= 2;
>
> /* check if we can do 8bpc */
> - status = hdmi_port_clock_valid(hdmi, clock, true, force_dvi);
> + status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink);
>
> - if (hdmi->has_hdmi_sink && !force_dvi) {
> + if (has_hdmi_sink) {
> /* if we can't do 8bpc we may still be able to do 12bpc */
> if (status != MODE_OK && !HAS_GMCH(dev_priv))
> status = hdmi_port_clock_valid(hdmi, clock * 3 / 2,
> - true, force_dvi);
> + true, has_hdmi_sink);
>
> /* if we can't do 8,12bpc we may still be able to do 10bpc */
> if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11)
> status = hdmi_port_clock_valid(hdmi, clock * 5 / 4,
> - true, force_dvi);
> + true, has_hdmi_sink);
> }
> if (status != MODE_OK)
> return status;
> @@ -2314,7 +2319,7 @@ static int intel_hdmi_port_clock(int clock, int bpc)
>
> static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
> struct intel_crtc_state *crtc_state,
> - int clock, bool force_dvi)
> + int clock)
> {
> struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
> int bpc;
> @@ -2323,7 +2328,7 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
> if (hdmi_deep_color_possible(crtc_state, bpc) &&
> hdmi_port_clock_valid(intel_hdmi,
> intel_hdmi_port_clock(clock, bpc),
> - true, force_dvi) == MODE_OK)
> + true, crtc_state->has_hdmi_sink) == MODE_OK)
> return bpc;
> }
>
> @@ -2331,8 +2336,7 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
> }
>
> static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
> - struct intel_crtc_state *crtc_state,
> - bool force_dvi)
> + struct intel_crtc_state *crtc_state)
> {
> struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
> const struct drm_display_mode *adjusted_mode =
> @@ -2346,8 +2350,7 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
> if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
> clock /= 2;
>
> - bpc = intel_hdmi_compute_bpc(encoder, crtc_state,
> - clock, force_dvi);
> + bpc = intel_hdmi_compute_bpc(encoder, crtc_state, clock);
>
> crtc_state->port_clock = intel_hdmi_port_clock(clock, bpc);
>
> @@ -2363,7 +2366,7 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
> bpc, crtc_state->pipe_bpp);
>
> if (hdmi_port_clock_valid(intel_hdmi, crtc_state->port_clock,
> - false, force_dvi) != MODE_OK) {
> + false, crtc_state->has_hdmi_sink) != MODE_OK) {
> DRM_DEBUG_KMS("unsupported HDMI clock (%d kHz), rejecting mode\n",
> crtc_state->port_clock);
> return -EINVAL;
> @@ -2411,14 +2414,14 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
> struct drm_scdc *scdc = &connector->display_info.hdmi.scdc;
> struct intel_digital_connector_state *intel_conn_state =
> to_intel_digital_connector_state(conn_state);
> - bool force_dvi = intel_conn_state->force_audio == HDMI_AUDIO_OFF_DVI;
> int ret;
>
> if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
> return -EINVAL;
>
> pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
> - pipe_config->has_hdmi_sink = !force_dvi && intel_hdmi->has_hdmi_sink;
> + pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_hdmi,
> + conn_state);
>
> if (pipe_config->has_hdmi_sink)
> pipe_config->has_infoframe = true;
> @@ -2447,7 +2450,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
> intel_conn_state->force_audio == HDMI_AUDIO_ON;
> }
>
> - ret = intel_hdmi_compute_clock(encoder, pipe_config, force_dvi);
> + ret = intel_hdmi_compute_clock(encoder, pipe_config);
> if (ret)
> return ret;
--
Jani Nikula, Intel Open Source Graphics Center
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