drm/radeon/kms: simplify atom adjust pll setup

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

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index b0ab185..d3ca170 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -606,14 +606,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
                                args.v1.ucTransmitterID = radeon_encoder->encoder_id;
                                args.v1.ucEncodeMode = encoder_mode;
-                               if (encoder_mode == ATOM_ENCODER_MODE_DP) {
-                                       if (ss_enabled)
-                                               args.v1.ucConfig |=
-                                                       ADJUST_DISPLAY_CONFIG_SS_ENABLE;
-                               } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
+                               if (ss_enabled)
                                        args.v1.ucConfig |=
                                                ADJUST_DISPLAY_CONFIG_SS_ENABLE;
-                               }
 
                                atom_execute_table(rdev->mode_info.atom_context,
                                                   index, (uint32_t *)&args);
@@ -624,12 +619,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
                                args.v3.sInput.ucEncodeMode = encoder_mode;
                                args.v3.sInput.ucDispPllConfig = 0;
+                               if (ss_enabled)
+                                       args.v3.sInput.ucDispPllConfig |=
+                                               DISPPLL_CONFIG_SS_ENABLE;
                                if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
                                        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
                                        if (encoder_mode == ATOM_ENCODER_MODE_DP) {
-                                               if (ss_enabled)
-                                                       args.v3.sInput.ucDispPllConfig |=
-                                                               DISPPLL_CONFIG_SS_ENABLE;
                                                args.v3.sInput.ucDispPllConfig |=
                                                        DISPPLL_CONFIG_COHERENT_MODE;
                                                /* 16200 or 27000 */
@@ -649,18 +644,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                                        }
                                } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
                                        if (encoder_mode == ATOM_ENCODER_MODE_DP) {
-                                               if (ss_enabled)
-                                                       args.v3.sInput.ucDispPllConfig |=
-                                                               DISPPLL_CONFIG_SS_ENABLE;
                                                args.v3.sInput.ucDispPllConfig |=
                                                        DISPPLL_CONFIG_COHERENT_MODE;
                                                /* 16200 or 27000 */
                                                args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
-                                       } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
-                                               if (ss_enabled)
-                                                       args.v3.sInput.ucDispPllConfig |=
-                                                               DISPPLL_CONFIG_SS_ENABLE;
-                                       } else {
+                                       } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) {
                                                if (mode->clock > 165000)
                                                        args.v3.sInput.ucDispPllConfig |=
                                                                DISPPLL_CONFIG_DUAL_LINK;