diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 57 |
1 files changed, 28 insertions, 29 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 fb733f573715..10938a8c9500 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 @@ -113,20 +113,19 @@ static const struct spread_spectrum_data *get_ss_data_entry( } /** - * Function: calculate_fb_and_fractional_fb_divider + * calculate_fb_and_fractional_fb_divider - Calculates feedback and fractional + * feedback dividers values * - * * DESCRIPTION: Calculates feedback and fractional feedback dividers values + * @calc_pll_cs: Pointer to clock source information + * @target_pix_clk_100hz: Desired frequency in 100 Hz + * @ref_divider: Reference divider (already known) + * @post_divider: Post Divider (already known) + * @feedback_divider_param: Pointer where to store + * calculated feedback divider value + * @fract_feedback_divider_param: Pointer where to store + * calculated fract feedback divider value * - *PARAMETERS: - * targetPixelClock Desired frequency in 100 Hz - * ref_divider Reference divider (already known) - * postDivider Post Divider (already known) - * feedback_divider_param Pointer where to store - * calculated feedback divider value - * fract_feedback_divider_param Pointer where to store - * calculated fract feedback divider value - * - *RETURNS: + * return: * It fills the locations pointed by feedback_divider_param * and fract_feedback_divider_param * It returns - true if feedback divider not 0 @@ -175,22 +174,22 @@ static bool calculate_fb_and_fractional_fb_divider( } /** -*calc_fb_divider_checking_tolerance -* -*DESCRIPTION: Calculates Feedback and Fractional Feedback divider values -* for passed Reference and Post divider, checking for tolerance. -*PARAMETERS: -* pll_settings Pointer to structure -* ref_divider Reference divider (already known) -* postDivider Post Divider (already known) -* tolerance Tolerance for Calculated Pixel Clock to be within -* -*RETURNS: -* It fills the PLLSettings structure with PLL Dividers values -* if calculated values are within required tolerance -* It returns - true if error is within tolerance -* - false if error is not within tolerance -*/ + * calc_fb_divider_checking_tolerance - Calculates Feedback and + * Fractional Feedback divider values + * for passed Reference and Post divider, + * checking for tolerance. + * @calc_pll_cs: Pointer to clock source information + * @pll_settings: Pointer to PLL settings + * @ref_divider: Reference divider (already known) + * @post_divider: Post Divider (already known) + * @tolerance: Tolerance for Calculated Pixel Clock to be within + * + * return: + * It fills the PLLSettings structure with PLL Dividers values + * if calculated values are within required tolerance + * It returns - true if error is within tolerance + * - false if error is not within tolerance + */ static bool calc_fb_divider_checking_tolerance( struct calc_pll_clock_source *calc_pll_cs, struct pll_settings *pll_settings, @@ -460,7 +459,7 @@ static bool pll_adjust_pix_clk( return false; } -/** +/* * Calculate PLL Dividers for given Clock Value. * First will call VBIOS Adjust Exec table to check if requested Pixel clock * will be Adjusted based on usage. |