[Intel-gfx] [PATCH] drm/i915: Don't use crtc->config when reading out infoframe state
Daniel Vetter
daniel at ffwll.ch
Mon Nov 30 00:26:42 PST 2015
On Thu, Nov 26, 2015 at 06:27:07PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> The .get_config() hooks should not reference anything in crtc->config,
> everything should be based on the passed in pipe_config instead. So
> don't dig out the cpu_transcoder from crtc->config on ddi platfforms,
> and also avoid using the encoder->crtc link and instead look up the
> pipe via pipe_config->base.crtc.
>
> I don't think this will actually fix anything since during the initial
> state readout we set up the encoder->crtc link prior to calling
> .get_config(), and during the modeset state check the encoder->crtc
> ought to be correct anyway since it's that state we just programmed.
> But this seems the right thing to do anyway.
>
> While at it, do some house cleaning on the local variables in the
> .infoframe_enabled() hooks.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> drivers/gpu/drm/i915/intel_drv.h | 3 ++-
> drivers/gpu/drm/i915/intel_hdmi.c | 47 +++++++++++++++++++--------------------
> 3 files changed, 26 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 76ce7c2960b6..7f618cf5289c 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -3151,7 +3151,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> pipe_config->has_hdmi_sink = true;
> intel_hdmi = enc_to_intel_hdmi(&encoder->base);
>
> - if (intel_hdmi->infoframe_enabled(&encoder->base))
> + if (intel_hdmi->infoframe_enabled(&encoder->base, pipe_config))
> pipe_config->has_infoframe = true;
> break;
> case TRANS_DDI_MODE_SELECT_DVI:
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 6ef456427db5..b2e81403c494 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -711,7 +711,8 @@ struct intel_hdmi {
> void (*set_infoframes)(struct drm_encoder *encoder,
> bool enable,
> const struct drm_display_mode *adjusted_mode);
> - bool (*infoframe_enabled)(struct drm_encoder *encoder);
> + bool (*infoframe_enabled)(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config);
> };
>
> struct intel_dp_mst_encoder;
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index bdd462e7c690..c3978bad5ca0 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -169,10 +169,10 @@ static void g4x_write_infoframe(struct drm_encoder *encoder,
> POSTING_READ(VIDEO_DIP_CTL);
> }
>
> -static bool g4x_infoframe_enabled(struct drm_encoder *encoder)
> +static bool g4x_infoframe_enabled(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config)
> {
> - struct drm_device *dev = encoder->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> + struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> u32 val = I915_READ(VIDEO_DIP_CTL);
>
> @@ -225,13 +225,13 @@ static void ibx_write_infoframe(struct drm_encoder *encoder,
> POSTING_READ(reg);
> }
>
> -static bool ibx_infoframe_enabled(struct drm_encoder *encoder)
> +static bool ibx_infoframe_enabled(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config)
> {
> - struct drm_device *dev = encoder->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
> + struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> - i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
> + enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe;
> + i915_reg_t reg = TVIDEO_DIP_CTL(pipe);
> u32 val = I915_READ(reg);
>
> if ((val & VIDEO_DIP_ENABLE) == 0)
> @@ -287,12 +287,12 @@ static void cpt_write_infoframe(struct drm_encoder *encoder,
> POSTING_READ(reg);
> }
>
> -static bool cpt_infoframe_enabled(struct drm_encoder *encoder)
> +static bool cpt_infoframe_enabled(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config)
> {
> - struct drm_device *dev = encoder->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
> - u32 val = I915_READ(TVIDEO_DIP_CTL(intel_crtc->pipe));
> + struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> + enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe;
> + u32 val = I915_READ(TVIDEO_DIP_CTL(pipe));
>
> if ((val & VIDEO_DIP_ENABLE) == 0)
> return false;
> @@ -341,13 +341,13 @@ static void vlv_write_infoframe(struct drm_encoder *encoder,
> POSTING_READ(reg);
> }
>
> -static bool vlv_infoframe_enabled(struct drm_encoder *encoder)
> +static bool vlv_infoframe_enabled(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config)
> {
> - struct drm_device *dev = encoder->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
> + struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
> - u32 val = I915_READ(VLV_TVIDEO_DIP_CTL(intel_crtc->pipe));
> + enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe;
> + u32 val = I915_READ(VLV_TVIDEO_DIP_CTL(pipe));
>
> if ((val & VIDEO_DIP_ENABLE) == 0)
> return false;
> @@ -398,12 +398,11 @@ static void hsw_write_infoframe(struct drm_encoder *encoder,
> POSTING_READ(ctl_reg);
> }
>
> -static bool hsw_infoframe_enabled(struct drm_encoder *encoder)
> +static bool hsw_infoframe_enabled(struct drm_encoder *encoder,
> + const struct intel_crtc_state *pipe_config)
> {
> - struct drm_device *dev = encoder->dev;
> - struct drm_i915_private *dev_priv = dev->dev_private;
> - struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
> - u32 val = I915_READ(HSW_TVIDEO_DIP_CTL(intel_crtc->config->cpu_transcoder));
> + struct drm_i915_private *dev_priv = to_i915(encoder->dev);
> + u32 val = I915_READ(HSW_TVIDEO_DIP_CTL(pipe_config->cpu_transcoder));
>
> return val & (VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_AVI_HSW |
> VIDEO_DIP_ENABLE_GCP_HSW | VIDEO_DIP_ENABLE_VS_HSW |
> @@ -927,7 +926,7 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
> if (tmp & HDMI_MODE_SELECT_HDMI)
> pipe_config->has_hdmi_sink = true;
>
> - if (intel_hdmi->infoframe_enabled(&encoder->base))
> + if (intel_hdmi->infoframe_enabled(&encoder->base, pipe_config))
> pipe_config->has_infoframe = true;
>
> if (tmp & SDVO_AUDIO_ENABLE)
> --
> 2.4.10
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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