diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/icl_dsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index caa477c4b1af..b1d775d834d4 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1255,6 +1255,18 @@ static void gen11_dsi_get_timings(struct intel_encoder *encoder, struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode; + if (pipe_config->dsc.compressed_bpp) { + int div = pipe_config->dsc.compressed_bpp; + int mul = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); + + adjusted_mode->crtc_htotal = + DIV_ROUND_UP(adjusted_mode->crtc_htotal * mul, div); + adjusted_mode->crtc_hsync_start = + DIV_ROUND_UP(adjusted_mode->crtc_hsync_start * mul, div); + adjusted_mode->crtc_hsync_end = + DIV_ROUND_UP(adjusted_mode->crtc_hsync_end * mul, div); + } + if (intel_dsi->dual_link) { adjusted_mode->crtc_hdisplay *= 2; if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) |