diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 79634da7c31..62fe66c0234 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -405,13 +405,13 @@ static inline uint32_t radeon_div(uint64_t n, uint32_t d) return n; } -void radeon_compute_pll(struct radeon_pll *pll, - uint64_t freq, - uint32_t *dot_clock_p, - uint32_t *fb_div_p, - uint32_t *frac_fb_div_p, - uint32_t *ref_div_p, - uint32_t *post_div_p) +static void radeon_compute_pll_legacy(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) { uint32_t min_ref_div = pll->min_ref_div; uint32_t max_ref_div = pll->max_ref_div; @@ -571,13 +571,13 @@ void radeon_compute_pll(struct radeon_pll *pll, *post_div_p = best_post_div; } -void radeon_compute_pll_avivo(struct radeon_pll *pll, - uint64_t freq, - uint32_t *dot_clock_p, - uint32_t *fb_div_p, - uint32_t *frac_fb_div_p, - uint32_t *ref_div_p, - uint32_t *post_div_p) +static void radeon_compute_pll_avivo(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) { fixed20_12 m, n, frac_n, p, f_vco, f_pclk, best_freq; fixed20_12 pll_out_max, pll_out_min; @@ -662,6 +662,27 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll, DRM_DEBUG("%u %d.%d, %d, %d\n", *dot_clock_p * 10, *fb_div_p, *frac_fb_div_p, *ref_div_p, *post_div_p); } +void radeon_compute_pll(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) +{ + switch (pll->algo) { + case PLL_ALGO_AVIVO: + radeon_compute_pll_avivo(pll, freq, dot_clock_p, fb_div_p, + frac_fb_div_p, ref_div_p, post_div_p); + break; + case PLL_ALGO_LEGACY: + default: + radeon_compute_pll_legacy(pll, freq, dot_clock_p, fb_div_p, + frac_fb_div_p, ref_div_p, post_div_p); + break; + } +} + static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); |