drm/radeon/kms: remove some pll algo flags

These shouldn't be needed with the post div changes
in the last patch.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

4 files changed, 7 insertions, 52 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index cd0290f946cf..ca04a1bdb75b 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -501,21 +501,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                     (rdev->family == CHIP_RS740))
                         pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
                                        RADEON_PLL_PREFER_CLOSEST_LOWER);
-
-                if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
-                        pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
-                else
-                        pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-        } else {
+        } else
                 pll->flags |= RADEON_PLL_LEGACY;
 
-                if (mode->clock > 200000)       /* range limits??? */
-                        pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
-                else
-                        pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-
-        }
-
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                 if (encoder->crtc == crtc) {
                         radeon_encoder = to_radeon_encoder(encoder);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index d276d6d8e2b0..20464659d3fa 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -579,7 +579,8 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
                                         if ((best_vco == 0 && error < best_error) ||
                                             (best_vco != 0 &&
                                              ((best_error > 100 && error < best_error - 100) ||
-                                              (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) {
+                                              (abs(error - best_error) < 100 &&
+                                               vco_diff < best_vco_diff)))) {
                                                 best_post_div = post_div;
                                                 best_ref_div = ref_div;
                                                 best_feedback_div = feedback_div;
@@ -587,29 +588,6 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
                                                 best_freq = current_freq;
                                                 best_error = error;
                                                 best_vco_diff = vco_diff;
-                                        } else if (current_freq == freq) {
-                                                if (best_freq == -1) {
-                                                        best_post_div = post_div;
-                                                        best_ref_div = ref_div;
-                                                        best_feedback_div = feedback_div;
-                                                        best_frac_feedback_div = frac_feedback_div;
-                                                        best_freq = current_freq;
-                                                        best_error = error;
-                                                        best_vco_diff = vco_diff;
-                                                } else if (((pll->flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) ||
-                                                           ((pll->flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) ||
-                                                           ((pll->flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) ||
-                                                           ((pll->flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) ||
-                                                           ((pll->flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) ||
-                                                           ((pll->flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) {
-                                                        best_post_div = post_div;
-                                                        best_ref_div = ref_div;
-                                                        best_feedback_div = feedback_div;
-                                                        best_frac_feedback_div = frac_feedback_div;
-                                                        best_freq = current_freq;
-                                                        best_error = error;
-                                                        best_vco_diff = vco_diff;
-                                                }
                                         }
                                         if (current_freq < freq)
                                                 min_frac_feed_div = frac_feedback_div + 1;
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 305049afde15..d60b31982845 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -722,11 +722,6 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
         else
                 pll->algo = PLL_ALGO_LEGACY;
 
-        if (mode->clock > 200000) /* range limits??? */
-                pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
-        else
-                pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-
         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
                 if (encoder->crtc == crtc) {
                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 8e071bf5e250..8707cd61e58b 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -139,16 +139,10 @@ struct radeon_tmds_pll {
 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
 #define RADEON_PLL_LEGACY               (1 << 3)
-#define RADEON_PLL_PREFER_LOW_REF_DIV   (1 << 4)
-#define RADEON_PLL_PREFER_HIGH_REF_DIV  (1 << 5)
-#define RADEON_PLL_PREFER_LOW_FB_DIV    (1 << 6)
-#define RADEON_PLL_PREFER_HIGH_FB_DIV   (1 << 7)
-#define RADEON_PLL_PREFER_LOW_POST_DIV  (1 << 8)
-#define RADEON_PLL_PREFER_HIGH_POST_DIV (1 << 9)
-#define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
-#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
-#define RADEON_PLL_USE_POST_DIV         (1 << 12)
-#define RADEON_PLL_IS_LCD               (1 << 13)
+#define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 4)
+#define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 5)
+#define RADEON_PLL_USE_POST_DIV         (1 << 6)
+#define RADEON_PLL_IS_LCD               (1 << 7)
 
 /* pll algo */
 enum radeon_pll_algo {