[Intel-gfx] [PATCH 1/2] drm/i915/sdvo: Fix multi function encoder stuff
Rodrigo Vivi
rodrigo.vivi at intel.com
Mon Sep 17 17:16:05 UTC 2018
On Mon, Sep 17, 2018 at 06:15:03PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> SDVO encoders can have multiple different types of outputs hanging off
> them. Currently the code tries to muck around with various is_foo
> flags in the encoder to figure out which type its driving. That doesn't
> work with atomic and other stuff, so let's nuke those flags and just
> look at which type of connector we're actually dealing with.
>
> The is_hdmi we'll need as that's not discoverable via the output flags,
> but we'll just move it under the connector.
>
> We'll also move the sdvo fixed mode handling out from the .get_modes()
> hook into the sdvo lvds init function so that we can bail out properly
> if there is no fixed mode to be found.
I wondered if this last part didn't deserved a separated patch. But not sure
how chicken-egg issue this could cause so maybe the same patch is better
indeed...
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_sdvo.c | 101 +++++++++++++++++---------------------
> 1 file changed, 44 insertions(+), 57 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
> index 812fe7b06f87..701372e512a8 100644
> --- a/drivers/gpu/drm/i915/intel_sdvo.c
> +++ b/drivers/gpu/drm/i915/intel_sdvo.c
> @@ -99,31 +99,12 @@ struct intel_sdvo {
> */
> uint16_t hotplug_active;
>
> - /**
> - * This is set if we're going to treat the device as TV-out.
> - *
> - * While we have these nice friendly flags for output types that ought
> - * to decide this for us, the S-Video output on our HDMI+S-Video card
> - * shows up as RGB1 (VGA).
> - */
> - bool is_tv;
> -
> enum port port;
>
> - /**
> - * This is set if we treat the device as HDMI, instead of DVI.
> - */
> - bool is_hdmi;
> bool has_hdmi_monitor;
> bool has_hdmi_audio;
> bool rgb_quant_range_selectable;
>
> - /**
> - * This is set if we detect output of sdvo device as LVDS and
> - * have a valid fixed mode to use with the panel.
> - */
> - bool is_lvds;
> -
> /**
> * This is sdvo fixed pannel mode pointer
> */
> @@ -172,6 +153,11 @@ struct intel_sdvo_connector {
>
> /* this is to get the range of margin.*/
> u32 max_hscan, max_vscan;
> +
> + /**
> + * This is set if we treat the device as HDMI, instead of DVI.
> + */
> + bool is_hdmi;
> };
>
> struct intel_sdvo_connector_state {
> @@ -766,6 +752,7 @@ static bool intel_sdvo_get_input_timing(struct intel_sdvo *intel_sdvo,
>
> static bool
> intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
> + struct intel_sdvo_connector *intel_sdvo_connector,
> uint16_t clock,
> uint16_t width,
> uint16_t height)
> @@ -778,7 +765,7 @@ intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
> args.height = height;
> args.interlace = 0;
>
> - if (intel_sdvo->is_lvds &&
> + if (IS_LVDS(intel_sdvo_connector) &&
> (intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
> intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
> args.scaled = 1;
> @@ -1067,6 +1054,7 @@ intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
> */
> static bool
> intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
> + struct intel_sdvo_connector *intel_sdvo_connector,
> const struct drm_display_mode *mode,
> struct drm_display_mode *adjusted_mode)
> {
> @@ -1077,6 +1065,7 @@ intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
> return false;
>
> if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
> + intel_sdvo_connector,
> mode->clock / 10,
> mode->hdisplay,
> mode->vdisplay))
> @@ -1127,6 +1116,8 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
> struct intel_sdvo *intel_sdvo = to_sdvo(encoder);
> struct intel_sdvo_connector_state *intel_sdvo_state =
> to_intel_sdvo_connector_state(conn_state);
> + struct intel_sdvo_connector *intel_sdvo_connector =
> + to_intel_sdvo_connector(conn_state->connector);
> struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
> struct drm_display_mode *mode = &pipe_config->base.mode;
>
> @@ -1142,20 +1133,22 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
> * timings, even though this isn't really the right place in
> * the sequence to do it. Oh well.
> */
> - if (intel_sdvo->is_tv) {
> + if (IS_TV(intel_sdvo_connector)) {
> if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
> return false;
>
> (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
> + intel_sdvo_connector,
> mode,
> adjusted_mode);
> pipe_config->sdvo_tv_clock = true;
> - } else if (intel_sdvo->is_lvds) {
> + } else if (IS_LVDS(intel_sdvo_connector)) {
> if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
> intel_sdvo->sdvo_lvds_fixed_mode))
> return false;
>
> (void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
> + intel_sdvo_connector,
> mode,
> adjusted_mode);
> }
> @@ -1194,11 +1187,11 @@ static bool intel_sdvo_compute_config(struct intel_encoder *encoder,
> }
>
> /* Clock computation needs to happen after pixel multiplier. */
> - if (intel_sdvo->is_tv)
> + if (IS_TV(intel_sdvo_connector))
> i9xx_adjust_sdvo_tv_clock(pipe_config);
>
> /* Set user selected PAR to incoming mode's member */
> - if (intel_sdvo->is_hdmi)
> + if (intel_sdvo_connector->is_hdmi)
> adjusted_mode->picture_aspect_ratio = conn_state->picture_aspect_ratio;
>
> return true;
> @@ -1275,6 +1268,8 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
> const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode;
> const struct intel_sdvo_connector_state *sdvo_state =
> to_intel_sdvo_connector_state(conn_state);
> + const struct intel_sdvo_connector *intel_sdvo_connector =
> + to_intel_sdvo_connector(conn_state->connector);
> const struct drm_display_mode *mode = &crtc_state->base.mode;
> struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder);
> u32 sdvox;
> @@ -1304,7 +1299,7 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
> return;
>
> /* lvds has a special fixed output timing. */
> - if (intel_sdvo->is_lvds)
> + if (IS_LVDS(intel_sdvo_connector))
> intel_sdvo_get_dtd_from_mode(&output_dtd,
> intel_sdvo->sdvo_lvds_fixed_mode);
> else
> @@ -1325,13 +1320,13 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
> } else
> intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
>
> - if (intel_sdvo->is_tv &&
> + if (IS_TV(intel_sdvo_connector) &&
> !intel_sdvo_set_tv_format(intel_sdvo, conn_state))
> return;
>
> intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
>
> - if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
> + if (IS_TV(intel_sdvo_connector) || IS_LVDS(intel_sdvo_connector))
> input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
> if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
> DRM_INFO("Setting input timings on %s failed\n",
> @@ -1630,6 +1625,8 @@ intel_sdvo_mode_valid(struct drm_connector *connector,
> struct drm_display_mode *mode)
> {
> struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
> + struct intel_sdvo_connector *intel_sdvo_connector =
> + to_intel_sdvo_connector(connector);
> int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
>
> if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
> @@ -1644,7 +1641,7 @@ intel_sdvo_mode_valid(struct drm_connector *connector,
> if (mode->clock > max_dotclk)
> return MODE_CLOCK_HIGH;
>
> - if (intel_sdvo->is_lvds) {
> + if (IS_LVDS(intel_sdvo_connector)) {
> if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
> return MODE_PANEL;
>
> @@ -1759,6 +1756,8 @@ static enum drm_connector_status
> intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
> {
> struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
> + struct intel_sdvo_connector *intel_sdvo_connector =
> + to_intel_sdvo_connector(connector);
> enum drm_connector_status status;
> struct edid *edid;
>
> @@ -1797,7 +1796,7 @@ intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
> /* DDC bus is shared, match EDID to connector type */
> if (edid->input & DRM_EDID_INPUT_DIGITAL) {
> status = connector_status_connected;
> - if (intel_sdvo->is_hdmi) {
> + if (intel_sdvo_connector->is_hdmi) {
> intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
> intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
> intel_sdvo->rgb_quant_range_selectable =
> @@ -1875,17 +1874,6 @@ intel_sdvo_detect(struct drm_connector *connector, bool force)
> ret = connector_status_connected;
> }
>
> - /* May update encoder flag for like clock for SDVO TV, etc.*/
> - if (ret == connector_status_connected) {
> - intel_sdvo->is_tv = false;
> - intel_sdvo->is_lvds = false;
> -
> - if (response & SDVO_TV_MASK)
> - intel_sdvo->is_tv = true;
> - if (response & SDVO_LVDS_MASK)
> - intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
> - }
> -
> return ret;
> }
>
> @@ -2054,16 +2042,6 @@ static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
> * arranged in priority order.
> */
> intel_ddc_get_modes(connector, &intel_sdvo->ddc);
> -
> - list_for_each_entry(newmode, &connector->probed_modes, head) {
> - if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
> - intel_sdvo->sdvo_lvds_fixed_mode =
> - drm_mode_duplicate(connector->dev, newmode);
> -
> - intel_sdvo->is_lvds = true;
> - break;
> - }
> - }
> }
>
> static int intel_sdvo_get_modes(struct drm_connector *connector)
> @@ -2555,7 +2533,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
> if (INTEL_GEN(dev_priv) >= 4 &&
> intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
> connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
> - intel_sdvo->is_hdmi = true;
> + intel_sdvo_connector->is_hdmi = true;
> }
>
> if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
> @@ -2563,7 +2541,7 @@ intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
> return false;
> }
>
> - if (intel_sdvo->is_hdmi)
> + if (intel_sdvo_connector->is_hdmi)
> intel_sdvo_add_hdmi_properties(intel_sdvo, intel_sdvo_connector);
>
> return true;
> @@ -2591,8 +2569,6 @@ intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
> intel_sdvo->controlled_output |= type;
> intel_sdvo_connector->output_flag = type;
>
> - intel_sdvo->is_tv = true;
> -
> if (intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo) < 0) {
> kfree(intel_sdvo_connector);
> return false;
> @@ -2654,6 +2630,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
> struct drm_connector *connector;
> struct intel_connector *intel_connector;
> struct intel_sdvo_connector *intel_sdvo_connector;
> + struct drm_display_mode *mode;
>
> DRM_DEBUG_KMS("initialising LVDS device %d\n", device);
>
> @@ -2682,6 +2659,19 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
> if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
> goto err;
>
> + intel_sdvo_get_lvds_modes(connector);
> +
> + list_for_each_entry(mode, &connector->probed_modes, head) {
> + if (mode->type & DRM_MODE_TYPE_PREFERRED) {
> + intel_sdvo->sdvo_lvds_fixed_mode =
> + drm_mode_duplicate(connector->dev, mode);
> + break;
> + }
> + }
> +
> + if (!intel_sdvo->sdvo_lvds_fixed_mode)
> + goto err;
> +
> return true;
>
> err:
> @@ -2692,9 +2682,6 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
> static bool
> intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
> {
> - intel_sdvo->is_tv = false;
> - intel_sdvo->is_lvds = false;
> -
> /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
>
> if (flags & SDVO_OUTPUT_TMDS0)
> --
> 2.16.4
>
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