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authorAlex Deucher <alexander.deucher@amd.com>2021-03-03 18:18:53 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-03-05 23:13:37 +0300
commit1b1cbf92292095662d156ad7455e16ed6d6cb1d9 (patch)
tree1537e97350b08cabc438b31e3d9af52265d9e5f7 /drivers/gpu/drm/amd/display/dc/bios
parent58aa7790193af8fdf655b200d1ec46ad92899fbf (diff)
downloadlinux-1b1cbf92292095662d156ad7455e16ed6d6cb1d9.tar.xz
drm/amdgpu/dc: fill in missing call to atom cmd table for pll adjust v2
We set up the parameters, but never called the atom table. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios')
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/command_table.c21
1 files changed, 21 insertions, 0 deletions
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;
}