From: Madhav Chauhan <madhav.chauhan@xxxxxxxxx>
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.chauhan@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
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;
+}
+
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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