vga_switcheroo: add reprobe hook for fbcon to recheck connected outputs.

[mv-sheeva.git] / drivers / gpu / drm / radeon / radeon_device.c

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e12e79326cb115a490ed5d94e0eda2a84ee400db..1a1017f0d9dbb2bddf1369271d09b80fe933e9d7 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -81,6 +81,7 @@ static const char radeon_family_name[][16] = {
        "JUNIPER",
        "CYPRESS",
        "HEMLOCK",
+       "PALM",
        "LAST",
 };
 
@@ -335,7 +336,12 @@ bool radeon_card_posted(struct radeon_device *rdev)
        uint32_t reg;
 
        /* first check CRTCs */
-       if (ASIC_IS_DCE4(rdev)) {
+       if (ASIC_IS_DCE41(rdev)) {
+               reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
+                       RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
+               if (reg & EVERGREEN_CRTC_MASTER_EN)
+                       return true;
+       } else if (ASIC_IS_DCE4(rdev)) {
                reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
                        RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
                        RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
@@ -773,6 +779,7 @@ int radeon_device_init(struct radeon_device *rdev,
        vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
        vga_switcheroo_register_client(rdev->pdev,
                                       radeon_switcheroo_set_state,
+                                      NULL,
                                       radeon_switcheroo_can_switch);
 
        r = radeon_init(rdev);
@@ -910,11 +917,6 @@ int radeon_resume_kms(struct drm_device *dev)
        radeon_pm_resume(rdev);
        radeon_restore_bios_scratch_regs(rdev);
 
-       /* turn on display hw */
-       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
-               drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
-       }
-
        radeon_fbdev_set_suspend(rdev, 0);
        release_console_sem();
 
@@ -922,6 +924,10 @@ int radeon_resume_kms(struct drm_device *dev)
        radeon_hpd_init(rdev);
        /* blat the mode back in */
        drm_helper_resume_force_mode(dev);
+       /* turn on display hw */
+       list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+               drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
+       }
        return 0;
 }