On 2021-03-03 10:20 a.m., Alex Deucher wrote:
We set up the parameters, but never called the atom table.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>
Harry
---
.../drm/amd/display/dc/bios/command_table.c | 21 +++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
index afc10b954ffa..ad13e4e36d77 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c
@@ -1531,6 +1531,27 @@ static enum bp_result adjust_display_pll_v2(
params.ucEncodeMode =
(uint8_t)bp->cmd_helper->encoder_mode_bp_to_atom(
bp_params->signal_type, false);
+
+ if (EXEC_BIOS_CMD_TABLE(AdjustDisplayPll, params)) {
+ /* Convert output pixel clock back 10KHz-->KHz: multiply
+ * original pixel clock in KHz by ratio
+ * [output pxlClk/input pxlClk] */
+ uint64_t pixel_clk_10_khz_out =
+ (uint64_t)le16_to_cpu(params.usPixelClock);
+ uint64_t pixel_clk = (uint64_t)bp_params->pixel_clock;
+
+ if (pixel_clock_10KHz_in != 0) {
+ bp_params->adjusted_pixel_clock =
+ div_u64(pixel_clk * pixel_clk_10_khz_out,
+ pixel_clock_10KHz_in);
+ } else {
+ bp_params->adjusted_pixel_clock = 0;
+ BREAK_TO_DEBUGGER();
+ }
+
+ result = BP_RESULT_OK;
+ }
+
return result;
}
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