Commit 5682a41f authored by Vandita Kulkarni's avatar Vandita Kulkarni Committed by Jani Nikula
Browse files

drm/i915/dsi: Add details about TE in get_config 



We need details about enabling TE on which port before we enable TE
through vblank enable path. This is based on the configuration that we
receive from the VBT wrt ports, dual_link.

Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Acked-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarVandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924124209.17916-2-vandita.kulkarni@intel.com
parent 7852ddd5

drivers/gpu/drm/i915/display/icl_dsi.c

+18 −12
Original line number Diff line number Diff line
@@ -1447,6 +1447,18 @@ static bool gen11_dsi_is_periodic_cmd_mode(struct intel_dsi *intel_dsi) 
	return (val & DSI_PERIODIC_FRAME_UPDATE_ENABLE);

}



static void gen11_dsi_get_cmd_mode_config(struct intel_dsi *intel_dsi,

					  struct intel_crtc_state *pipe_config)

{

	if (intel_dsi->ports == (BIT(PORT_B) | BIT(PORT_A)))

		pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE1 |

					    I915_MODE_FLAG_DSI_USE_TE0;

	else if (intel_dsi->ports == BIT(PORT_B))

		pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE1;

	else

		pipe_config->mode_flags |= I915_MODE_FLAG_DSI_USE_TE0;

}



static void gen11_dsi_get_config(struct intel_encoder *encoder,

				 struct intel_crtc_state *pipe_config)

{
@@ -1468,6 +1480,10 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder, 
	pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);

	pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);



	/* Get the details on which TE should be enabled */

	if (is_cmd_mode(intel_dsi))

		gen11_dsi_get_cmd_mode_config(intel_dsi, pipe_config);



	if (gen11_dsi_is_periodic_cmd_mode(intel_dsi))

		pipe_config->mode_flags |= I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE;

}
@@ -1562,18 +1578,8 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, 
	 * receive TE from the slave if

	 * dual link is enabled

	 */

	if (is_cmd_mode(intel_dsi)) {

		if (intel_dsi->ports == (BIT(PORT_B) | BIT(PORT_A)))

			pipe_config->mode_flags |=

						I915_MODE_FLAG_DSI_USE_TE1 |

						I915_MODE_FLAG_DSI_USE_TE0;

		else if (intel_dsi->ports == BIT(PORT_B))

			pipe_config->mode_flags |=

						I915_MODE_FLAG_DSI_USE_TE1;

		else

			pipe_config->mode_flags |=

						I915_MODE_FLAG_DSI_USE_TE0;

	}

	if (is_cmd_mode(intel_dsi))

		gen11_dsi_get_cmd_mode_config(intel_dsi, pipe_config);



	return 0;

}