drm/amdgpu: Disable VGA render and crtc when init GMC.

For virtual display feature, when the GPU has DCE engine, need to disable
the VGA render and CRTC, or it will hang when initialize GMC.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 29 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index d6802be0ea39..c7da45c2c8fe 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -25,11 +25,13 @@
 #include "amdgpu_pm.h"
 #include "amdgpu_i2c.h"
 #include "atom.h"
-#include "amdgpu_atombios.h"
-#include "atombios_crtc.h"
-#include "atombios_encoders.h"
 #include "amdgpu_pll.h"
 #include "amdgpu_connectors.h"
+#ifdef CONFIG_DRM_AMDGPU_CIK
+#include "dce_v8_0.h"
+#endif
+#include "dce_v10_0.h"
+#include "dce_v11_0.h"
 
 static void dce_virtual_set_display_funcs(struct amdgpu_device *adev);
 static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev);
@@ -98,6 +100,30 @@ static bool dce_virtual_is_display_hung(struct amdgpu_device *adev)
 void dce_virtual_stop_mc_access(struct amdgpu_device *adev,
                               struct amdgpu_mode_mc_save *save)
 {
+        switch (adev->asic_type) {
+        case CHIP_BONAIRE:
+        case CHIP_HAWAII:
+        case CHIP_KAVERI:
+        case CHIP_KABINI:
+        case CHIP_MULLINS:
+#ifdef CONFIG_DRM_AMDGPU_CIK
+                dce_v8_0_disable_dce(adev);
+#endif
+                break;
+        case CHIP_FIJI:
+        case CHIP_TONGA:
+                dce_v10_0_disable_dce(adev);
+                break;
+        case CHIP_CARRIZO:
+        case CHIP_STONEY:
+        case CHIP_POLARIS11:
+        case CHIP_POLARIS10:
+                dce_v11_0_disable_dce(adev);
+                break;
+        default:
+                DRM_ERROR("Usupported ASIC type: 0x%X\n", adev->asic_type);
+        }
+
         return;
 }
 void dce_virtual_resume_mc_access(struct amdgpu_device *adev,