Adjust the get transcoder timings for mipi dsi as per the
set timing calculations.
v2: Use the existing intel_get_pipe_timings and do the dsi
specific adjustments in the encoder get_config hook.(Ville, Jani)
Signed-off-by: Vandita Kulkarni <vandita.kulka...@intel.com>
---
drivers/gpu/drm/i915/icl_dsi.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 9d962ea..dbb2712 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -1193,6 +1193,34 @@ static void gen11_dsi_disable(struct intel_encoder
*encoder,
gen11_dsi_disable_io_power(encoder);
}
+static void gen11_dsi_get_timings(struct intel_encoder *encoder,
+ struct intel_crtc_state *pipe_config)
+{
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct drm_display_mode *adjusted_mode =
+ &pipe_config->base.adjusted_mode;
+
+ if (intel_dsi->dual_link) {
+ adjusted_mode->crtc_hdisplay *= 2;
+ if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK)
+ adjusted_mode->crtc_hdisplay -=
+ intel_dsi->pixel_overlap;
+ adjusted_mode->crtc_htotal *= 2;
+ }
+ adjusted_mode->crtc_hblank_start = adjusted_mode->crtc_hdisplay;
+ adjusted_mode->crtc_hblank_end = adjusted_mode->crtc_htotal;
+
+ if (intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE) {
+ if (intel_dsi->dual_link) {
+ adjusted_mode->crtc_hsync_start *= 2;
+ adjusted_mode->crtc_hsync_end *= 2;
+ }
+ }
+ adjusted_mode->crtc_vblank_start = adjusted_mode->crtc_vdisplay;
+ adjusted_mode->crtc_vblank_end = adjusted_mode->crtc_vtotal;
+
+}
+
static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
@@ -1203,6 +1231,7 @@ static void gen11_dsi_get_config(struct intel_encoder
*encoder,
pipe_config->port_clock =
cnl_calc_wrpll_link(dev_priv, &pipe_config->dpll_hw_state);
pipe_config->base.adjusted_mode.crtc_clock = intel_dsi->pclk;
+ gen11_dsi_get_timings(encoder, pipe_config);
pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
}
--
1.9.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
