[PATCH 2/5] drm/amdgpu: unify some atombios/atomfirmware scratch reg functions

[Alex Deucher]

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

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 35 ------------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h |  4 ---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c       | 20 +++-----------
 drivers/gpu/drm/amd/amdgpu/soc15.c               |  6 ++--
 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 4bdda56..9ddfe34 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 a2c3ebe..907e48f6 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 5b1220f..63f4bed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2438,10 +2438,7 @@ 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 */
@@ -2490,10 +2487,7 @@ 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)) {
@@ -2926,15 +2920,9 @@ 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 9210126..8a4b76d 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 "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;
 }
-- 
2.5.5