drm/amdgpu: unify some atombios/atomfirmware scratch reg functions

Now that we use a pointer to the scratch reg start offset,
most of the functions were duplicated.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

4 files changed, 7 insertions, 58 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 4bdda56fccee..9ddfe34d12af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -66,41 +66,6 @@ void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
         }
 }
 
-void amdgpu_atomfirmware_scratch_regs_save(struct amdgpu_device *adev)
-{
-        int i;
-
-        for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
-                adev->bios_scratch[i] = RREG32(adev->bios_scratch_reg_offset + i);
-}
-
-void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev)
-{
-        int i;
-
-        /*
-         * VBIOS will check ASIC_INIT_COMPLETE bit to decide if
-         * execute ASIC_Init posting via driver
-         */
-        adev->bios_scratch[7] &= ~ATOM_S7_ASIC_INIT_COMPLETE_MASK;
-
-        for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
-                WREG32(adev->bios_scratch_reg_offset + i, adev->bios_scratch[i]);
-}
-
-void amdgpu_atomfirmware_scratch_regs_engine_hung(struct amdgpu_device *adev,
-                                                  bool hung)
-{
-        u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);
-
-        if (hung)
-                tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
-        else
-                tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
-
-        WREG32(adev->bios_scratch_reg_offset + 3, tmp);
-}
-
 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
 {
         struct atom_context *ctx = adev->mode_info.atom_context;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
index a2c3ebe22c71..907e48f6b301 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
@@ -26,10 +26,6 @@
 
 bool amdgpu_atomfirmware_gpu_supports_virtualization(struct amdgpu_device *adev);
 void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev);
-void amdgpu_atomfirmware_scratch_regs_save(struct amdgpu_device *adev);
-void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev);
-void amdgpu_atomfirmware_scratch_regs_engine_hung(struct amdgpu_device *adev,
-                                                  bool hung);
 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev);
 
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 88e45c6d36ea..7963c54e5d03 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2393,10 +2393,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
          */
         amdgpu_bo_evict_vram(adev);
 
-        if (adev->is_atom_fw)
-                amdgpu_atomfirmware_scratch_regs_save(adev);
-        else
-                amdgpu_atombios_scratch_regs_save(adev);
+        amdgpu_atombios_scratch_regs_save(adev);
         pci_save_state(dev->pdev);
         if (suspend) {
                 /* Shut down the device */
@@ -2445,10 +2442,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
                 if (r)
                         goto unlock;
         }
-        if (adev->is_atom_fw)
-                amdgpu_atomfirmware_scratch_regs_restore(adev);
-        else
-                amdgpu_atombios_scratch_regs_restore(adev);
+        amdgpu_atombios_scratch_regs_restore(adev);
 
         /* post card */
         if (amdgpu_need_post(adev)) {
@@ -2861,15 +2855,9 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
                 r = amdgpu_suspend(adev);
 
 retry:
-                if (adev->is_atom_fw)
-                        amdgpu_atomfirmware_scratch_regs_save(adev);
-                else
-                        amdgpu_atombios_scratch_regs_save(adev);
+                amdgpu_atombios_scratch_regs_save(adev);
                 r = amdgpu_asic_reset(adev);
-                if (adev->is_atom_fw)
-                        amdgpu_atomfirmware_scratch_regs_restore(adev);
-                else
-                        amdgpu_atombios_scratch_regs_restore(adev);
+                amdgpu_atombios_scratch_regs_restore(adev);
                 /* post card */
                 amdgpu_atom_asic_init(adev->mode_info.atom_context);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index a7341d88a320..79f5e3e73e0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -25,7 +25,7 @@
 #include <linux/module.h>
 #include <drm/drmP.h>
 #include "amdgpu.h"
-#include "amdgpu_atomfirmware.h"
+#include "amdgpu_atombios.h"
 #include "amdgpu_ih.h"
 #include "amdgpu_uvd.h"
 #include "amdgpu_vce.h"
@@ -392,11 +392,11 @@ static void soc15_gpu_pci_config_reset(struct amdgpu_device *adev)
 
 static int soc15_asic_reset(struct amdgpu_device *adev)
 {
-        amdgpu_atomfirmware_scratch_regs_engine_hung(adev, true);
+        amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 
         soc15_gpu_pci_config_reset(adev);
 
-        amdgpu_atomfirmware_scratch_regs_engine_hung(adev, false);
+        amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 
         return 0;
 }