[PATCH] drm/amdgpu/dc: fill in missing call to atom cmd table for pll adjust v2

[Harry Wentland]

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 at amd.com>

Reviewed-by: Harry Wentland <harry.wentland at amd.com>

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;
>   }
>   
>