> -----Original Message-----
> From: Nikula, Jani
> Sent: Thursday, November 1, 2018 9:04 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Chauhan, Madhav <madhav.chau...@intel.com>;
> ville.syrj...@linux.intel.com; Kulkarni, Vandita <vandita.kulka...@intel.com>;
> Lisovskiy, Stanislav <stanislav.lisovs...@intel.com>; Nikula, Jani
> <jani.nik...@intel.com>
> Subject: [PATCH v9 04/15] drm/i915/icl: Add get config functionality for DSI
>
> From: Madhav Chauhan <madhav.chau...@intel.com>
>
> This patch implements the functionality for getting PIPE configuration to
> which
> DSI encoder is connected. Used during the atomic modeset.
>
> Signed-off-by: Madhav Chauhan <madhav.chau...@intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> ---
> drivers/gpu/drm/i915/icl_dsi.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
> index
> 806b8c323b53..b47e837f4493 100644
> --- a/drivers/gpu/drm/i915/icl_dsi.c
> +++ b/drivers/gpu/drm/i915/icl_dsi.c
> @@ -1055,6 +1055,19 @@ static void gen11_dsi_disable(struct intel_encoder
> *encoder,
> gen11_dsi_disable_io_power(encoder);
> }
>
> +static void gen11_dsi_get_config(struct intel_encoder *encoder,
> + struct intel_crtc_state *pipe_config) {
> + struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi,
> + base);
> + u32 pixel_clk;
> +
> + //FIXME: Calculate pixel clock using PLL functions once implemented.
> + pixel_clk = intel_dsi->pclk;
> + pipe_config->base.adjusted_mode.crtc_clock = pixel_clk;
> + pipe_config->port_clock = pixel_clk;
Is this Ok for now, or should I continue on the lines that Ville suggested?
Thanks,
Vandita
> +}
> +
> static void gen11_dsi_encoder_destroy(struct drm_encoder *encoder) {
> intel_encoder_destroy(encoder);
> @@ -1167,6 +1180,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
> encoder->pre_enable = gen11_dsi_pre_enable;
> encoder->disable = gen11_dsi_disable;
> encoder->port = port;
> + encoder->get_config = gen11_dsi_get_config;
> encoder->type = INTEL_OUTPUT_DSI;
> encoder->cloneable = 0;
> encoder->crtc_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C);
> --
> 2.11.0
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