From f78a862d13e85d1cb4c4049f515d53a35e5b9dfe Mon Sep 17 00:00:00 2001 From: Vandita Kulkarni Date: Thu, 12 Mar 2020 11:08:37 +0530 Subject: [PATCH] drm/i915/dsi: Use private flags to indicate TE in cmd mode On dsi cmd mode we do not receive vblanks instead we would get TE and these flags indicate TE is expected on which port. Signed-off-by: Vandita Kulkarni Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20200312053841.2794-6-vandita.kulkarni@intel.com --- drivers/gpu/drm/i915/display/icl_dsi.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 949f4867402ba..d452037b1ac91 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1550,6 +1550,24 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder, pipe_config->hw.adjusted_mode.private_flags &= ~I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE; + /* + * In case of TE GATE cmd mode, we + * 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->hw.adjusted_mode.private_flags |= + I915_MODE_FLAG_DSI_USE_TE1 | + I915_MODE_FLAG_DSI_USE_TE0; + else if (intel_dsi->ports == BIT(PORT_B)) + pipe_config->hw.adjusted_mode.private_flags |= + I915_MODE_FLAG_DSI_USE_TE1; + else + pipe_config->hw.adjusted_mode.private_flags |= + I915_MODE_FLAG_DSI_USE_TE0; + } + return 0; } -- 2.39.5