Read back the pixel fomrat register and get the bpp.
v2: Read the PIPE_MISC register (Jani).
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
---
drivers/gpu/drm/i915/icl_dsi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 45fe69c..cd6a4f3 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -1226,6 +1226,7 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
/* FIXME: adapt icl_ddi_clock_get() for DSI and use that? */
@@ -1234,6 +1235,7 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
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);
+ pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);
}
static int gen11_dsi_compute_config(struct intel_encoder *encoder,
@@ -1249,6 +1251,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
struct drm_display_mode *adjusted_mode =
&pipe_config->base.adjusted_mode;
+ pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
intel_fixed_panel_mode(fixed_mode, adjusted_mode);
intel_pch_panel_fitting(crtc, pipe_config, conn_state->scaling_mode);
--
1.9.1
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