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path: root/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
index de7bfba2c179..e0e7d32bb1a0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.c
@@ -45,6 +45,16 @@
#define DC_LOGGER \
dccg->ctx->logger
+static void dccg314_trigger_dio_fifo_resync(
+ struct dccg *dccg)
+{
+ struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+ uint32_t dispclk_rdivider_value = 0;
+
+ REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_RDIVIDER, &dispclk_rdivider_value);
+ REG_UPDATE(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, dispclk_rdivider_value);
+}
+
static void dccg314_get_pixel_rate_div(
struct dccg *dccg,
uint32_t otg_inst,
@@ -357,6 +367,7 @@ static const struct dccg_funcs dccg314_funcs = {
.disable_dsc = dccg31_disable_dscclk,
.enable_dsc = dccg31_enable_dscclk,
.set_pixel_rate_div = dccg314_set_pixel_rate_div,
+ .trigger_dio_fifo_resync = dccg314_trigger_dio_fifo_resync,
.set_valid_pixel_rate = dccg314_set_valid_pixel_rate,
};