X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Famd%2Fdisplay%2Fdc%2Fdcn20%2Fdcn20_dsc.c;h=136a9dc062bcb860e31ccbc3172193c4f7b9742e;hb=00df0514ab13813655a6fbaba85425f8f4780be2;hp=6f24ceab97ad72c96488058fbbb4c22f7e2340ae;hpb=f8122500a039abeabfff41b0ad8b6a2c94c1107d;p=mirror_ubuntu-kernels.git

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
index 6f24ceab97ad..136a9dc062bc 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c
@@ -47,6 +47,7 @@ static void dsc2_set_config(struct display_stream_compressor *dsc, const struct
 static bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, const struct dsc_config *dsc_cfg, uint8_t *dsc_packed_pps);
 static void dsc2_enable(struct display_stream_compressor *dsc, int opp_pipe);
 static void dsc2_disable(struct display_stream_compressor *dsc);
+static void dsc2_disconnect(struct display_stream_compressor *dsc);
 
 const struct dsc_funcs dcn20_dsc_funcs = {
 	.dsc_get_enc_caps = dsc2_get_enc_caps,
@@ -56,6 +57,7 @@ const struct dsc_funcs dcn20_dsc_funcs = {
 	.dsc_get_packed_pps = dsc2_get_packed_pps,
 	.dsc_enable = dsc2_enable,
 	.dsc_disable = dsc2_disable,
+	.dsc_disconnect = dsc2_disconnect,
 };
 
 /* Macro definitios for REG_SET macros*/
@@ -278,6 +280,15 @@ static void dsc2_disable(struct display_stream_compressor *dsc)
 		DSC_CLOCK_EN, 0);
 }
 
+static void dsc2_disconnect(struct display_stream_compressor *dsc)
+{
+	struct dcn20_dsc *dsc20 = TO_DCN20_DSC(dsc);
+
+	DC_LOG_DSC("disconnect DSC %d", dsc->inst);
+
+	REG_UPDATE(DSCRM_DSC_FORWARD_CONFIG,
+		DSCRM_DSC_FORWARD_EN, 0);
+}
 
 /* This module's internal functions */
 static void dsc_log_pps(struct display_stream_compressor *dsc, struct drm_dsc_config *pps)