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drm/i915/dsi: use compressed pixel format with DSC

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When compression is enabled, configure the DSI transcoder to use
compressed format.

Suggested-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0e58022ce5425560b3b31062c41de385a736c8b1.1575974743.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2019-12-10 12:50:57 +02:00
parent 0486513935
commit 38b898810a
1 changed files with 20 additions and 16 deletions
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36
drivers/gpu/drm/i915/display/icl_dsi.c
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@ -682,22 +682,26 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
/* select pixel format */
tmp &= ~PIX_FMT_MASK;
switch (intel_dsi->pixel_format) {
default:
MISSING_CASE(intel_dsi->pixel_format);
/* fallthrough */
case MIPI_DSI_FMT_RGB565:
tmp |= PIX_FMT_RGB565;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
tmp |= PIX_FMT_RGB666_PACKED;
break;
case MIPI_DSI_FMT_RGB666:
tmp |= PIX_FMT_RGB666_LOOSE;
break;
case MIPI_DSI_FMT_RGB888:
tmp |= PIX_FMT_RGB888;
break;
if (pipe_config->dsc.compression_enable) {
tmp |= PIX_FMT_COMPRESSED;
} else {
switch (intel_dsi->pixel_format) {
default:
MISSING_CASE(intel_dsi->pixel_format);
/* fallthrough */
case MIPI_DSI_FMT_RGB565:
tmp |= PIX_FMT_RGB565;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
tmp |= PIX_FMT_RGB666_PACKED;
break;
case MIPI_DSI_FMT_RGB666:
tmp |= PIX_FMT_RGB666_LOOSE;
break;
case MIPI_DSI_FMT_RGB888:
tmp |= PIX_FMT_RGB888;
break;
}
}
if (INTEL_GEN(dev_priv) >= 12) {