Add DSI specific computation and transmission to display of PPS.
With hopes that this approach will work for both DP and DSI encoders.
Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Cc: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_vdsc.c | 25 ++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index c53024dfb1ec..7bd727129a8f 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -10,6 +10,7 @@
#include "i915_drv.h"
#include "intel_display_types.h"
+#include "intel_dsi.h"
#include "intel_vdsc.h"
enum ROW_INDEX_BPP {
@@ -844,6 +845,25 @@ static void intel_dsc_pps_configure(struct intel_encoder *encoder,
}
}
+static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
+{
+ const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+ struct mipi_dsi_device *dsi;
+ struct drm_dsc_picture_parameter_set pps;
+ enum port port;
+
+ drm_dsc_pps_payload_pack(&pps, vdsc_cfg);
+
+ for_each_dsi_port(port, intel_dsi->ports) {
+ dsi = intel_dsi->dsi_hosts[port]->device;
+
+ mipi_dsi_picture_parameter_set(dsi, &pps);
+ mipi_dsi_compression_mode(dsi, true);
+ }
+}
+
static void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
{
@@ -882,7 +902,10 @@ void intel_dsc_enable(struct intel_encoder *encoder,
intel_dsc_pps_configure(encoder, crtc_state);
- intel_dsc_dp_pps_write(encoder, crtc_state);
+ if (encoder->type == INTEL_OUTPUT_DSI)
+ intel_dsc_dsi_pps_write(encoder, crtc_state);
+ else
+ intel_dsc_dp_pps_write(encoder, crtc_state);
if (crtc_state->cpu_transcoder == TRANSCODER_EDP) {
dss_ctl1_reg = DSS_CTL1;
--
2.20.1
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