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path: root/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index 5d3f6fa1011e..970644b695cd 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -975,6 +975,9 @@ static bool dcn31_program_pix_clk(
look_up_in_video_optimized_rate_tlb(pix_clk_params->requested_pix_clk_100hz / 10);
struct bp_pixel_clock_parameters bp_pc_params = {0};
enum transmitter_color_depth bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24;
+
+ if (clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz != 0)
+ dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz;
// For these signal types Driver to program DP_DTO without calling VBIOS Command table
if (dc_is_dp_signal(pix_clk_params->signal_type) || dc_is_virtual_signal(pix_clk_params->signal_type)) {
if (e) {
@@ -1088,6 +1091,10 @@ static bool get_pixel_clk_frequency_100hz(
struct dce110_clk_src *clk_src = TO_DCE110_CLK_SRC(clock_source);
unsigned int clock_hz = 0;
unsigned int modulo_hz = 0;
+ unsigned int dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dprefclk_khz;
+
+ if (clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz != 0)
+ dp_dto_ref_khz = clock_source->ctx->dc->clk_mgr->dp_dto_source_clock_in_khz;
if (clock_source->id == CLOCK_SOURCE_ID_DP_DTO) {
clock_hz = REG_READ(PHASE[inst]);
@@ -1100,7 +1107,7 @@ static bool get_pixel_clk_frequency_100hz(
modulo_hz = REG_READ(MODULO[inst]);
if (modulo_hz)
*pixel_clk_khz = div_u64((uint64_t)clock_hz*
- clock_source->ctx->dc->clk_mgr->dprefclk_khz*10,
+ dp_dto_ref_khz*10,
modulo_hz);
else
*pixel_clk_khz = 0;