drm/radeon/kms: rework modeset sequence for DCE41 and DCE5

commit 3a47824d85eeca122895646f027dc63480994199 upstream.

dig transmitter control table only has ENABLE/DISABLE actions
on DCE4.1/DCE5.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=44955

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 9dcfba0..0f8eb48 100644 (file)
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1352,7 +1352,8 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
        switch (mode) {
        case DRM_MODE_DPMS_ON:
                /* some early dce3.2 boards have a bug in their transmitter control table */
-               if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730))
+               if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730) ||
+                   ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev))
                        atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
                else
                        atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
@@ -1362,8 +1363,6 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
                                                             ATOM_TRANSMITTER_ACTION_POWER_ON);
                                radeon_dig_connector->edp_on = true;
                        }
-                       if (ASIC_IS_DCE4(rdev))
-                               atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
                        radeon_dp_link_train(encoder, connector);
                        if (ASIC_IS_DCE4(rdev))
                                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0);
@@ -1374,7 +1373,10 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode)
        case DRM_MODE_DPMS_STANDBY:
        case DRM_MODE_DPMS_SUSPEND:
        case DRM_MODE_DPMS_OFF:
-               atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+               if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev))
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+               else
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
                if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
                        if (ASIC_IS_DCE4(rdev))
                                atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0);
@@ -1821,7 +1823,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
        case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
        case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-               if (ASIC_IS_DCE4(rdev)) {
+               if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
                        struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
                        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 
@@ -1830,13 +1832,16 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
                        else
                                dig->panel_mode = radeon_dp_get_panel_mode(encoder, connector);
 
-                       /* disable the transmitter */
-                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
                        /* setup and enable the encoder */
                        atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
                        atombios_dig_encoder_setup(encoder,
                                                   ATOM_ENCODER_CMD_SETUP_PANEL_MODE,
                                                   dig->panel_mode);
+               } else if (ASIC_IS_DCE4(rdev)) {
+                       /* disable the transmitter */
+                       atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+                       /* setup and enable the encoder */
+                       atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0);
 
                        /* enable the transmitter */
                        atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);