1 files changed, 32 insertions, 5 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index ba8d806dcf39..ff5f09953c0a 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -469,10 +469,19 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
         uint32_t best_error = 0xffffffff;
         uint32_t best_vco_diff = 1;
         uint32_t post_div;
+        u32 pll_out_min, pll_out_max;
 
         DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div);
         freq = freq * 1000;
 
+        if (pll->flags & RADEON_PLL_IS_LCD) {
+                pll_out_min = pll->lcd_pll_out_min;
+                pll_out_max = pll->lcd_pll_out_max;
+        } else {
+                pll_out_min = pll->pll_out_min;
+                pll_out_max = pll->pll_out_max;
+        }
+
         if (pll->flags & RADEON_PLL_USE_REF_DIV)
                 min_ref_div = max_ref_div = pll->reference_div;
         else {
@@ -536,10 +545,10 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
                                 tmp = (uint64_t)pll->reference_freq * feedback_div;
                                 vco = radeon_div(tmp, ref_div);
 
-                                if (vco < pll->pll_out_min) {
+                                if (vco < pll_out_min) {
                                         min_feed_div = feedback_div + 1;
                                         continue;
-                                } else if (vco > pll->pll_out_max) {
+                                } else if (vco > pll_out_max) {
                                         max_feed_div = feedback_div;
                                         continue;
                                 }
@@ -675,6 +684,15 @@ calc_fb_ref_div(struct radeon_pll *pll,
 {
         fixed20_12 ffreq, max_error, error, pll_out, a;
         u32 vco;
+        u32 pll_out_min, pll_out_max;
+
+        if (pll->flags & RADEON_PLL_IS_LCD) {
+                pll_out_min = pll->lcd_pll_out_min;
+                pll_out_max = pll->lcd_pll_out_max;
+        } else {
+                pll_out_min = pll->pll_out_min;
+                pll_out_max = pll->pll_out_max;
+        }
 
         ffreq.full = rfixed_const(freq);
         /* max_error = ffreq * 0.0025; */
@@ -686,7 +704,7 @@ calc_fb_ref_div(struct radeon_pll *pll,
                         vco = pll->reference_freq * (((*fb_div) * 10) + (*fb_div_frac));
                         vco = vco / ((*ref_div) * 10);
 
-                        if ((vco < pll->pll_out_min) || (vco > pll->pll_out_max))
+                        if ((vco < pll_out_min) || (vco > pll_out_max))
                                 continue;
 
                         /* pll_out = vco / post_div; */
@@ -714,6 +732,15 @@ static void radeon_compute_pll_new(struct radeon_pll *pll,
 {
         u32 fb_div = 0, fb_div_frac = 0, post_div = 0, ref_div = 0;
         u32 best_freq = 0, vco_frequency;
+        u32 pll_out_min, pll_out_max;
+
+        if (pll->flags & RADEON_PLL_IS_LCD) {
+                pll_out_min = pll->lcd_pll_out_min;
+                pll_out_max = pll->lcd_pll_out_max;
+        } else {
+                pll_out_min = pll->pll_out_min;
+                pll_out_max = pll->pll_out_max;
+        }
 
         /* freq = freq / 10; */
         do_div(freq, 10);
@@ -724,7 +751,7 @@ static void radeon_compute_pll_new(struct radeon_pll *pll,
                         goto done;
 
                 vco_frequency = freq * post_div;
-                if ((vco_frequency < pll->pll_out_min) || (vco_frequency > pll->pll_out_max))
+                if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
                         goto done;
 
                 if (pll->flags & RADEON_PLL_USE_REF_DIV) {
@@ -749,7 +776,7 @@ static void radeon_compute_pll_new(struct radeon_pll *pll,
                                 continue;
 
                         vco_frequency = freq * post_div;
-                        if ((vco_frequency < pll->pll_out_min) || (vco_frequency > pll->pll_out_max))
+                        if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
                                 continue;
                         if (pll->flags & RADEON_PLL_USE_REF_DIV) {
                                 ref_div = pll->reference_div;